From e7573c5ce21a9eb2d12ae81b51cd2400ec4e45d5 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 3 Aug 2009 12:48:25 +0200 Subject: [PATCH 001/128] lib/relocator --- conf/i386.rmk | 6 + include/grub/i386/multiboot.h | 11 +- include/grub/i386/relocator.h | 40 +++++ lib/i386/relocator.c | 148 ++++++++++++++++++ lib/i386/relocator_asm.S | 269 +++++++++++++++++++++++++++++++++ lib/i386/relocator_backward.S | 2 + loader/i386/multiboot.c | 64 ++++---- loader/i386/multiboot_elfxx.c | 14 +- loader/i386/multiboot_helper.S | 75 --------- 9 files changed, 509 insertions(+), 120 deletions(-) create mode 100644 include/grub/i386/relocator.h create mode 100644 lib/i386/relocator.c create mode 100644 lib/i386/relocator_asm.S create mode 100644 lib/i386/relocator_backward.S diff --git a/conf/i386.rmk b/conf/i386.rmk index 93f84ce39..33d49b53c 100644 --- a/conf/i386.rmk +++ b/conf/i386.rmk @@ -14,3 +14,9 @@ pkglib_MODULES += vga_text.mod vga_text_mod_SOURCES = term/i386/pc/vga_text.c term/i386/vga_common.c vga_text_mod_CFLAGS = $(COMMON_CFLAGS) vga_text_mod_LDFLAGS = $(COMMON_LDFLAGS) + +pkglib_MODULES += relocator.mod +relocator_mod_SOURCES = lib/i386/relocator.c lib/i386/relocator_asm.S lib/i386/relocator_backward.S +relocator_mod_CFLAGS = $(COMMON_CFLAGS) +relocator_mod_ASFLAGS = $(COMMON_ASFLAGS) +relocator_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/include/grub/i386/multiboot.h b/include/grub/i386/multiboot.h index 2dd7ec008..bd3c573fa 100644 --- a/include/grub/i386/multiboot.h +++ b/include/grub/i386/multiboot.h @@ -27,16 +27,11 @@ void grub_multiboot2_real_boot (grub_addr_t entry, struct grub_multiboot_info *mbi) __attribute__ ((noreturn)); -extern grub_addr_t grub_multiboot_payload_orig; +extern grub_uint32_t grub_multiboot_payload_eip; +extern char *grub_multiboot_payload_orig; extern grub_addr_t grub_multiboot_payload_dest; extern grub_size_t grub_multiboot_payload_size; -extern grub_uint32_t grub_multiboot_payload_entry_offset; -extern grub_uint8_t grub_multiboot_forward_relocator; -extern grub_uint8_t grub_multiboot_forward_relocator_end; -extern grub_uint8_t grub_multiboot_backward_relocator; -extern grub_uint8_t grub_multiboot_backward_relocator_end; - -#define RELOCATOR_SIZEOF(x) (&grub_multiboot_##x##_relocator_end - &grub_multiboot_##x##_relocator) +#define GRUB_MULTIBOOT_STACK_SIZE 4096 #endif /* ! GRUB_MULTIBOOT_CPU_HEADER */ diff --git a/include/grub/i386/relocator.h b/include/grub/i386/relocator.h new file mode 100644 index 000000000..cbc75ed0a --- /dev/null +++ b/include/grub/i386/relocator.h @@ -0,0 +1,40 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_RELOCATOR_CPU_HEADER +#define GRUB_RELOCATOR_CPU_HEADER 1 + +struct grub_relocator32_state +{ + grub_uint32_t esp; + grub_uint32_t eax; + grub_uint32_t ebx; + grub_uint32_t ecx; + grub_uint32_t edx; + grub_uint32_t eip; +}; + +void * +grub_relocator32_alloc (grub_size_t size); +grub_err_t +grub_relocator32_boot (void *relocator, grub_uint32_t dest, + struct grub_relocator32_state state); +void +grub_relocator32_free (void *relocator); + +#endif /* ! GRUB_RELOCATOR_CPU_HEADER */ diff --git a/lib/i386/relocator.c b/lib/i386/relocator.c new file mode 100644 index 000000000..7dbdd1597 --- /dev/null +++ b/lib/i386/relocator.c @@ -0,0 +1,148 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include + +#include +#include +#include + +#include + +extern grub_uint8_t grub_relocator32_forward_start; +extern grub_uint8_t grub_relocator32_forward_end; +extern grub_uint8_t grub_relocator32_backward_start; +extern grub_uint8_t grub_relocator32_backward_end; + +extern grub_uint32_t grub_relocator32_backward_dest; +extern grub_uint32_t grub_relocator32_backward_size; +#ifdef __x86_64__ +extern grub_uint64_t grub_relocator32_backward_src; +#else +extern grub_uint32_t grub_relocator32_backward_src; +#endif + +extern grub_uint32_t grub_relocator32_forward_dest; +extern grub_uint32_t grub_relocator32_forward_size; +#ifdef __x86_64__ +extern grub_uint64_t grub_relocator32_forward_src; +#else +extern grub_uint32_t grub_relocator32_forward_src; +#endif + +extern grub_uint32_t grub_relocator32_forward_eax; +extern grub_uint32_t grub_relocator32_forward_ebx; +extern grub_uint32_t grub_relocator32_forward_ecx; +extern grub_uint32_t grub_relocator32_forward_edx; +extern grub_uint32_t grub_relocator32_forward_eip; +extern grub_uint32_t grub_relocator32_forward_esp; + +extern grub_uint32_t grub_relocator32_backward_eax; +extern grub_uint32_t grub_relocator32_backward_ebx; +extern grub_uint32_t grub_relocator32_backward_ecx; +extern grub_uint32_t grub_relocator32_backward_edx; +extern grub_uint32_t grub_relocator32_backward_eip; +extern grub_uint32_t grub_relocator32_backward_esp; + +#define RELOCATOR_SIZEOF(x) (&grub_relocator32_##x##_end - &grub_relocator32_##x##_start) +#define RELOCATOR_ALIGN 16 + +void * +grub_relocator32_alloc (grub_size_t size) +{ + char *playground; + + playground = grub_malloc ((RELOCATOR_SIZEOF(forward) + RELOCATOR_ALIGN) + + size + + (RELOCATOR_SIZEOF(backward) + RELOCATOR_ALIGN)); + if (! playground) + return 0; + + *(grub_size_t *) playground = size; + + return playground + RELOCATOR_SIZEOF(forward); +} + +void +grub_relocator32_free (void *relocator) +{ + if (relocator) + grub_free ((char *) relocator - RELOCATOR_SIZEOF(forward)); +} + + +grub_err_t +grub_relocator32_boot (void *relocator, grub_uint32_t dest, + struct grub_relocator32_state state) +{ + grub_size_t size; + char *playground; + void (*entry) (); + + playground = (char *) relocator - RELOCATOR_SIZEOF(forward); + size = *(grub_size_t *) playground; + + if (UINT_TO_PTR (dest) >= relocator) + { + int overhead; + + overhead = ALIGN_UP (dest - RELOCATOR_SIZEOF(backward) - RELOCATOR_ALIGN, RELOCATOR_ALIGN); + grub_relocator32_backward_dest = dest - overhead; + grub_relocator32_backward_src = PTR_TO_UINT64 (relocator - overhead); + grub_relocator32_backward_size = size + overhead; + + grub_relocator32_backward_eax = state.eax; + grub_relocator32_backward_ebx = state.ebx; + grub_relocator32_backward_ecx = state.ecx; + grub_relocator32_backward_edx = state.edx; + grub_relocator32_backward_eip = state.eip; + grub_relocator32_backward_esp = state.esp; + + grub_memmove (relocator - overhead, + &grub_relocator32_backward_start, + RELOCATOR_SIZEOF(backward)); + entry = (void (*) ()) (relocator - overhead); + } + else + { + int overhead; + + overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN) + + RELOCATOR_SIZEOF(forward) - (dest + size); + + grub_relocator32_forward_dest = dest; + grub_relocator32_forward_src = PTR_TO_UINT64 (relocator); + grub_relocator32_forward_size = size + overhead; + + grub_relocator32_forward_eax = state.eax; + grub_relocator32_forward_ebx = state.ebx; + grub_relocator32_forward_ecx = state.ecx; + grub_relocator32_forward_edx = state.edx; + grub_relocator32_forward_eip = state.eip; + grub_relocator32_forward_esp = state.esp; + + grub_memmove (relocator + size + overhead - RELOCATOR_SIZEOF(forward), + &grub_relocator32_forward_start, RELOCATOR_SIZEOF(forward)); + entry = (void (*) ()) (relocator + size + overhead - RELOCATOR_SIZEOF(forward)); + } + entry (); + + /* Not reached. */ + return GRUB_ERR_NONE; +} diff --git a/lib/i386/relocator_asm.S b/lib/i386/relocator_asm.S new file mode 100644 index 000000000..3ef1fa083 --- /dev/null +++ b/lib/i386/relocator_asm.S @@ -0,0 +1,269 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include + +#ifdef BACKWARD +#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_backward_ ## x) +#else +#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_forward_ ## x) +#endif + .p2align 4 /* force 16-byte alignment */ + +RELOCATOR_VARIABLE(start) +#ifdef BACKWARD +base: +#endif + cli + +#ifndef __x86_64__ + /* mov imm32, %eax */ + .byte 0xb8 +RELOCATOR_VARIABLE(dest) + .long 0 + mov %eax, %edi + + /* mov imm32, %eax */ + .byte 0xb8 +RELOCATOR_VARIABLE(src) + .long 0 + mov %eax, %esi + + /* mov imm32, %ecx */ + .byte 0xb9 +RELOCATOR_VARIABLE(size) + .long 0 + mov %edi, %eax +#ifndef BACKWARD + add %ecx, %eax +#endif + add $0x3, %ecx + shr $2, %ecx + +#ifdef BACKWARD + /* Backward movsl is implicitly off-by-four. compensate that. */ + subl $4, %esi + subl $4, %edi + + /* Backward copy. */ + std + addl %ecx, %esi + addl %ecx, %edi + + rep + movsl + +#else + /* Forward copy. */ + cld + rep + movsl +#endif + /* %eax contains now our new base. */ + mov %eax, %esi + add $(cont0 - base), %eax + jmp *%eax +cont0: +#else + xorq %rax, %rax + + /* mov imm32, %eax */ + .byte 0xb8 +RELOCATOR_VARIABLE(dest) + .long 0 + mov %eax, %edi + + /* mov imm64, %rax */ + .byte 0xb8 +RELOCATOR_VARIABLE(src) + .long 0, 0 + mov %rax, %rsi + + xorl %rcx, %rcx + /* mov imm32, %ecx */ + .byte 0xb9 +RELOCATOR_VARIABLE(size) + .long 0 + + mov %rdi, %rax +#ifndef BACKWARD + add %rcx, %rax +#endif + add $0x3, %rcx + shr $2, %rcx + +#ifdef BACKWARD + /* Backward movsl is implicitly off-by-four. compensate that. */ + subl $4, %rsi + subl $4, %rdi + + /* Backward copy. */ + std + addl %rcx, %rsi + addl %rcx, %rdi + + rep + movsl + +#else + /* Forward copy. */ + cld + rep + movsl +#endif + + /* %rax contains now our new 'base'. */ + mov %rax, %rsi +#ifdef APPLE_CC + add $(cont0 - base), %eax +#else + add $(cont0 - base), %rax +#endif + jmp *%rax +cont0: +#ifdef APPLE_CC + lea (cont1 - base) (%esi, 1), %eax + mov %eax, (jump_vector - base) (%esi, 1) + + lea (gdt - base) (%esi, 1), %eax + mov %eax, (gdt_addr - base) (%esi, 1) + + /* Switch to compatibility mode. */ + + lgdt (gdtdesc - base) (%esi, 1) + + /* Update %cs. Thanks to David Miller for pointing this mistake out. */ + ljmp *(jump_vector - base) (%esi,1) +#else + lea (cont1 - base) (%rsi, 1), %rax + mov %eax, (jump_vector - base) (%rsi, 1) + + lea (gdt - base) (%rsi, 1), %rax + mov %rax, (gdt_addr - base) (%rsi, 1) + + /* Switch to compatibility mode. */ + + lgdt (gdtdesc - base) (%rsi, 1) + + /* Update %cs. Thanks to David Miller for pointing this mistake out. */ + ljmp *(jump_vector - base) (%rsi, 1) +#endif + +cont1: + .code32 + + /* Update other registers. */ + mov $0x18, %eax + mov %eax, %ds + mov %eax, %es + mov %eax, %fs + mov %eax, %gs + mov %eax, %ss + + /* Disable paging. */ + mov %cr0, %eax + and $0x7fffffff, %eax + mov %eax, %cr0 + + /* Disable amd64. */ + mov $0xc0000080, %ecx + rdmsr + and $0xfffffeff, %eax + wrmsr + + /* Turn off PAE. */ + movl %cr4, %eax + and $0xffffffcf, %eax + mov %eax, %cr4 + + jmp cont2 +cont2: +#endif + .code32 + + /* mov imm32, %eax */ + .byte 0xb8 +RELOCATOR_VARIABLE (esp) + .long 0 + + movl %eax, %esp + + /* mov imm32, %eax */ + .byte 0xb8 +RELOCATOR_VARIABLE (eax) + .long 0 + + /* mov imm32, %ebx */ + .byte 0xbb +RELOCATOR_VARIABLE (ebx) + .long 0 + + /* mov imm32, %ecx */ + .byte 0xb9 +RELOCATOR_VARIABLE (ecx) + .long 0 + + /* mov imm32, %edx */ + .byte 0xba +RELOCATOR_VARIABLE (edx) + .long 0 + + /* Cleared direction flag is of no problem with any current + payload and makes this implementation easier. */ + cld + + .byte 0xea +RELOCATOR_VARIABLE (eip) + .long 0 + .word 0x08 + +#ifdef __x86_64__ + /* GDT. Copied from loader/i386/linux.c. */ + .p2align 4 +gdt: + /* NULL. */ + .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + + /* Reserved. */ + .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + + /* Code segment. */ + .byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x9A, 0xCF, 0x00 + + /* Data segment. */ + .byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x92, 0xCF, 0x00 + +gdtdesc: + .word 31 +gdt_addr: + /* Filled by the code. */ + .quad 0 + + .p2align 4 +jump_vector: + /* Jump location. Is filled by the code */ + .long 0 + .long 0x10 +#endif + +#ifndef BACKWARD +base: +#endif + + +RELOCATOR_VARIABLE(end) diff --git a/lib/i386/relocator_backward.S b/lib/i386/relocator_backward.S new file mode 100644 index 000000000..06913470e --- /dev/null +++ b/lib/i386/relocator_backward.S @@ -0,0 +1,2 @@ +#define BACKWARD +#include "relocator_asm.S" diff --git a/loader/i386/multiboot.c b/loader/i386/multiboot.c index 87ffcae8d..974395f63 100644 --- a/loader/i386/multiboot.c +++ b/loader/i386/multiboot.c @@ -48,18 +48,35 @@ #include #include #endif +#include extern grub_dl_t my_mod; static struct grub_multiboot_info *mbi, *mbi_dest; -static grub_addr_t entry; -static char *playground; static grub_size_t code_size; +char *grub_multiboot_payload_orig; +grub_addr_t grub_multiboot_payload_dest; +grub_size_t grub_multiboot_payload_size; +grub_uint32_t grub_multiboot_payload_eip; +grub_uint32_t grub_multiboot_payload_esp; + static grub_err_t grub_multiboot_boot (void) { - grub_multiboot_real_boot (entry, mbi_dest); + struct grub_relocator32_state state = + { + .eax = MULTIBOOT_MAGIC2, + .ebx = PTR_TO_UINT32 (mbi_dest), + .ecx = 0, + .edx = 0, + .eip = grub_multiboot_payload_eip, + .esp = grub_multiboot_payload_esp + }; + + grub_relocator32_boot (grub_multiboot_payload_orig, + grub_multiboot_payload_dest, + state); /* Not reached. */ return GRUB_ERR_NONE; @@ -248,11 +265,8 @@ grub_multiboot (int argc, char *argv[]) goto fail; } - if (playground) - { - grub_free (playground); - playground = NULL; - } + grub_relocator32_free (grub_multiboot_payload_orig); + grub_multiboot_payload_orig = NULL; mmap_length = grub_get_multiboot_mmap_len (); @@ -267,11 +281,13 @@ grub_multiboot (int argc, char *argv[]) ((void *) ((x) + code_size + cmdline_length)) #define mbi_addr(x) ((void *) ((x) + code_size + cmdline_length + boot_loader_name_length)) #define mmap_addr(x) ((void *) ((x) + code_size + cmdline_length + boot_loader_name_length + sizeof (struct grub_multiboot_info))) +#define stack_addr(x) ((void *) ((x) + code_size + cmdline_length + boot_loader_name_length + sizeof (struct grub_multiboot_info) + mmap_length + GRUB_MULTIBOOT_STACK_SIZE)) grub_multiboot_payload_size = cmdline_length /* boot_loader_name_length might need to grow for mbi,etc to be aligned (see below) */ + boot_loader_name_length + 3 - + sizeof (struct grub_multiboot_info) + mmap_length; + + sizeof (struct grub_multiboot_info) + mmap_length + + GRUB_MULTIBOOT_STACK_SIZE; if (header->flags & MULTIBOOT_AOUT_KLUDGE) { @@ -287,11 +303,12 @@ grub_multiboot (int argc, char *argv[]) grub_multiboot_payload_dest = header->load_addr; grub_multiboot_payload_size += code_size; - playground = grub_malloc (RELOCATOR_SIZEOF(forward) + grub_multiboot_payload_size + RELOCATOR_SIZEOF(backward)); - if (! playground) - goto fail; - grub_multiboot_payload_orig = (long) playground + RELOCATOR_SIZEOF(forward); + grub_multiboot_payload_orig + = grub_relocator32_alloc (grub_multiboot_payload_size); + + if (! grub_multiboot_payload_orig) + goto fail; if ((grub_file_seek (file, offset)) == (grub_off_t) - 1) goto fail; @@ -304,7 +321,7 @@ grub_multiboot (int argc, char *argv[]) grub_memset ((void *) (grub_multiboot_payload_orig + load_size), 0, header->bss_end_addr - header->load_addr - load_size); - grub_multiboot_payload_entry_offset = header->entry_addr - header->load_addr; + grub_multiboot_payload_eip = header->entry_addr; } else if (grub_multiboot_load_elf (file, buffer) != GRUB_ERR_NONE) @@ -325,23 +342,6 @@ grub_multiboot (int argc, char *argv[]) mbi->mmap_addr = (grub_uint32_t) mmap_addr (grub_multiboot_payload_dest); mbi->flags |= MULTIBOOT_INFO_MEM_MAP; - if (grub_multiboot_payload_dest >= grub_multiboot_payload_orig) - { - grub_memmove (playground, &grub_multiboot_forward_relocator, RELOCATOR_SIZEOF(forward)); - entry = (grub_addr_t) playground; - } - else - { - grub_memmove ((char *) (grub_multiboot_payload_orig + grub_multiboot_payload_size), - &grub_multiboot_backward_relocator, RELOCATOR_SIZEOF(backward)); - entry = (grub_addr_t) grub_multiboot_payload_orig + grub_multiboot_payload_size; - } - - grub_dprintf ("multiboot_loader", "dest=%p, size=0x%x, entry_offset=0x%x\n", - (void *) grub_multiboot_payload_dest, - grub_multiboot_payload_size, - grub_multiboot_payload_entry_offset); - /* Convert from bytes to kilobytes. */ mbi->mem_lower = grub_mmap_get_lower () / 1024; mbi->mem_upper = grub_mmap_get_upper () / 1024; @@ -371,6 +371,8 @@ grub_multiboot (int argc, char *argv[]) if (grub_multiboot_get_bootdev (&mbi->boot_device)) mbi->flags |= MULTIBOOT_INFO_BOOTDEV; + grub_multiboot_payload_esp = PTR_TO_UINT32 (stack_addr (grub_multiboot_payload_dest)); + grub_loader_set (grub_multiboot_boot, grub_multiboot_unload, 1); fail: diff --git a/loader/i386/multiboot_elfxx.c b/loader/i386/multiboot_elfxx.c index 77c47118c..0b9820dcc 100644 --- a/loader/i386/multiboot_elfxx.c +++ b/loader/i386/multiboot_elfxx.c @@ -32,6 +32,8 @@ #error "I'm confused" #endif +#include + #define CONCAT(a,b) CONCAT_(a, b) #define CONCAT_(a,b) a ## b @@ -99,11 +101,12 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, void *buffer) grub_multiboot_payload_dest = phdr(lowest_segment)->p_paddr; grub_multiboot_payload_size += code_size; - playground = grub_malloc (RELOCATOR_SIZEOF(forward) + grub_multiboot_payload_size + RELOCATOR_SIZEOF(backward)); - if (! playground) - return grub_errno; - grub_multiboot_payload_orig = (long) playground + RELOCATOR_SIZEOF(forward); + grub_multiboot_payload_orig + = grub_relocator32_alloc (grub_multiboot_payload_size); + + if (!grub_multiboot_payload_orig) + return grub_errno; /* Load every loadable segment in memory. */ for (i = 0; i < ehdr->e_phnum; i++) @@ -135,8 +138,7 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, void *buffer) if (phdr(i)->p_vaddr <= ehdr->e_entry && phdr(i)->p_vaddr + phdr(i)->p_memsz > ehdr->e_entry) { - grub_multiboot_payload_entry_offset = (ehdr->e_entry - phdr(i)->p_vaddr) - + (phdr(i)->p_paddr - phdr(lowest_segment)->p_paddr); + grub_multiboot_payload_eip = ehdr->e_entry; break; } diff --git a/loader/i386/multiboot_helper.S b/loader/i386/multiboot_helper.S index d1094588b..2f9af778b 100644 --- a/loader/i386/multiboot_helper.S +++ b/loader/i386/multiboot_helper.S @@ -22,81 +22,6 @@ .p2align 2 /* force 4-byte alignment */ -/* - * This starts the multiboot kernel. - */ - -VARIABLE(grub_multiboot_payload_size) - .long 0 -VARIABLE(grub_multiboot_payload_orig) - .long 0 -VARIABLE(grub_multiboot_payload_dest) - .long 0 -VARIABLE(grub_multiboot_payload_entry_offset) - .long 0 - -/* - * The relocators below understand the following parameters: - * ecx: Size of the block to be copied. - * esi: Where to copy from (always lowest address, even if we're relocating - * backwards). - * edi: Where to copy to (likewise). - * edx: Offset of the entry point (relative to the beginning of the block). - */ - -VARIABLE(grub_multiboot_forward_relocator) - /* Add entry offset. */ - addl %edi, %edx - - /* Forward copy. */ - cld - rep - movsb - - jmp *%edx -VARIABLE(grub_multiboot_forward_relocator_end) - -VARIABLE(grub_multiboot_backward_relocator) - /* Add entry offset (before %edi is mangled). */ - addl %edi, %edx - - /* Backward movsb is implicitly off-by-one. compensate that. */ - decl %esi - decl %edi - - /* Backward copy. */ - std - addl %ecx, %esi - addl %ecx, %edi - rep - movsb - - cld - jmp *%edx -VARIABLE(grub_multiboot_backward_relocator_end) - -FUNCTION(grub_multiboot_real_boot) - /* Push the entry address on the stack. */ - pushl %eax - /* Move the address of the multiboot information structure to ebx. */ - movl %edx,%ebx - - /* Interrupts should be disabled. */ - cli - - /* Where do we copy what from. */ - movl EXT_C(grub_multiboot_payload_size), %ecx - movl EXT_C(grub_multiboot_payload_orig), %esi - movl EXT_C(grub_multiboot_payload_dest), %edi - movl EXT_C(grub_multiboot_payload_entry_offset), %edx - - /* Move the magic value into eax. */ - movl $MULTIBOOT_MAGIC2, %eax - - /* Jump to the relocator. */ - popl %ebp - jmp *%ebp - /* * This starts the multiboot 2 kernel. */ From c2a583ec38e29afa894a236c2bda65bf1e0bb83c Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 3 Aug 2009 13:45:37 +0200 Subject: [PATCH 002/128] 64-bit bugfixes --- lib/i386/relocator_asm.S | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/lib/i386/relocator_asm.S b/lib/i386/relocator_asm.S index 3ef1fa083..f16d7f263 100644 --- a/lib/i386/relocator_asm.S +++ b/lib/i386/relocator_asm.S @@ -89,12 +89,13 @@ RELOCATOR_VARIABLE(dest) mov %eax, %edi /* mov imm64, %rax */ + .byte 0x48 .byte 0xb8 RELOCATOR_VARIABLE(src) .long 0, 0 mov %rax, %rsi - xorl %rcx, %rcx + xorq %rcx, %rcx /* mov imm32, %ecx */ .byte 0xb9 RELOCATOR_VARIABLE(size) @@ -109,13 +110,13 @@ RELOCATOR_VARIABLE(size) #ifdef BACKWARD /* Backward movsl is implicitly off-by-four. compensate that. */ - subl $4, %rsi - subl $4, %rdi + subq $4, %rsi + subq $4, %rdi /* Backward copy. */ std - addl %rcx, %rsi - addl %rcx, %rdi + addq %rcx, %rsi + addq %rcx, %rdi rep movsl @@ -230,7 +231,11 @@ RELOCATOR_VARIABLE (edx) .byte 0xea RELOCATOR_VARIABLE (eip) .long 0 +#ifdef __x86_64__ + .word 0x10 +#else .word 0x08 +#endif #ifdef __x86_64__ /* GDT. Copied from loader/i386/linux.c. */ From fe7546f39a9aed99f6f92403db4e59a35af212c0 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 3 Aug 2009 13:50:02 +0200 Subject: [PATCH 003/128] indent --- lib/i386/relocator.c | 36 +++++++++++++++++++++--------------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/lib/i386/relocator.c b/lib/i386/relocator.c index 7dbdd1597..6a9b3ce1b 100644 --- a/lib/i386/relocator.c +++ b/lib/i386/relocator.c @@ -68,22 +68,23 @@ grub_relocator32_alloc (grub_size_t size) { char *playground; - playground = grub_malloc ((RELOCATOR_SIZEOF(forward) + RELOCATOR_ALIGN) - + size - + (RELOCATOR_SIZEOF(backward) + RELOCATOR_ALIGN)); - if (! playground) + playground = grub_malloc ((RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN) + + size + + (RELOCATOR_SIZEOF (backward) + + RELOCATOR_ALIGN)); + if (!playground) return 0; *(grub_size_t *) playground = size; - return playground + RELOCATOR_SIZEOF(forward); + return playground + RELOCATOR_SIZEOF (forward); } void grub_relocator32_free (void *relocator) { if (relocator) - grub_free ((char *) relocator - RELOCATOR_SIZEOF(forward)); + grub_free ((char *) relocator - RELOCATOR_SIZEOF (forward)); } @@ -95,14 +96,16 @@ grub_relocator32_boot (void *relocator, grub_uint32_t dest, char *playground; void (*entry) (); - playground = (char *) relocator - RELOCATOR_SIZEOF(forward); + playground = (char *) relocator - RELOCATOR_SIZEOF (forward); size = *(grub_size_t *) playground; if (UINT_TO_PTR (dest) >= relocator) { int overhead; - overhead = ALIGN_UP (dest - RELOCATOR_SIZEOF(backward) - RELOCATOR_ALIGN, RELOCATOR_ALIGN); + overhead = + ALIGN_UP (dest - RELOCATOR_SIZEOF (backward) - RELOCATOR_ALIGN, + RELOCATOR_ALIGN); grub_relocator32_backward_dest = dest - overhead; grub_relocator32_backward_src = PTR_TO_UINT64 (relocator - overhead); grub_relocator32_backward_size = size + overhead; @@ -116,15 +119,15 @@ grub_relocator32_boot (void *relocator, grub_uint32_t dest, grub_memmove (relocator - overhead, &grub_relocator32_backward_start, - RELOCATOR_SIZEOF(backward)); - entry = (void (*) ()) (relocator - overhead); + RELOCATOR_SIZEOF (backward)); + entry = (void (*)()) (relocator - overhead); } else { int overhead; - overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN) - + RELOCATOR_SIZEOF(forward) - (dest + size); + overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN) + + RELOCATOR_SIZEOF (forward) - (dest + size); grub_relocator32_forward_dest = dest; grub_relocator32_forward_src = PTR_TO_UINT64 (relocator); @@ -137,9 +140,12 @@ grub_relocator32_boot (void *relocator, grub_uint32_t dest, grub_relocator32_forward_eip = state.eip; grub_relocator32_forward_esp = state.esp; - grub_memmove (relocator + size + overhead - RELOCATOR_SIZEOF(forward), - &grub_relocator32_forward_start, RELOCATOR_SIZEOF(forward)); - entry = (void (*) ()) (relocator + size + overhead - RELOCATOR_SIZEOF(forward)); + grub_memmove (relocator + size + overhead - RELOCATOR_SIZEOF (forward), + &grub_relocator32_forward_start, + RELOCATOR_SIZEOF (forward)); + entry = + (void (*)()) (relocator + size + overhead - + RELOCATOR_SIZEOF (forward)); } entry (); From 23a2f35a0bcef47b68ab07310456643750d639af Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 3 Aug 2009 13:52:03 +0200 Subject: [PATCH 004/128] trailing whitespaces in asm --- lib/i386/relocator_asm.S | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/lib/i386/relocator_asm.S b/lib/i386/relocator_asm.S index f16d7f263..d022a6840 100644 --- a/lib/i386/relocator_asm.S +++ b/lib/i386/relocator_asm.S @@ -17,12 +17,12 @@ */ #include - + #ifdef BACKWARD #define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_backward_ ## x) #else #define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_forward_ ## x) -#endif +#endif .p2align 4 /* force 16-byte alignment */ RELOCATOR_VARIABLE(start) @@ -201,9 +201,9 @@ cont2: .byte 0xb8 RELOCATOR_VARIABLE (esp) .long 0 - + movl %eax, %esp - + /* mov imm32, %eax */ .byte 0xb8 RELOCATOR_VARIABLE (eax) @@ -270,5 +270,4 @@ jump_vector: base: #endif - RELOCATOR_VARIABLE(end) From 7c8f178d02c533be018a83db48429a08d4952a3a Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 3 Aug 2009 14:30:51 +0200 Subject: [PATCH 005/128] realloc --- include/grub/i386/relocator.h | 15 ++++++++------- lib/i386/relocator.c | 19 +++++++++++++++++++ 2 files changed, 27 insertions(+), 7 deletions(-) diff --git a/include/grub/i386/relocator.h b/include/grub/i386/relocator.h index cbc75ed0a..ef7fe23aa 100644 --- a/include/grub/i386/relocator.h +++ b/include/grub/i386/relocator.h @@ -19,6 +19,9 @@ #ifndef GRUB_RELOCATOR_CPU_HEADER #define GRUB_RELOCATOR_CPU_HEADER 1 +#include +#include + struct grub_relocator32_state { grub_uint32_t esp; @@ -29,12 +32,10 @@ struct grub_relocator32_state grub_uint32_t eip; }; -void * -grub_relocator32_alloc (grub_size_t size); -grub_err_t -grub_relocator32_boot (void *relocator, grub_uint32_t dest, - struct grub_relocator32_state state); -void -grub_relocator32_free (void *relocator); +void *grub_relocator32_alloc (grub_size_t size); +grub_err_t grub_relocator32_boot (void *relocator, grub_uint32_t dest, + struct grub_relocator32_state state); +void *grub_relocator32_realloc (void *relocator, grub_size_t size); +void grub_relocator32_free (void *relocator); #endif /* ! GRUB_RELOCATOR_CPU_HEADER */ diff --git a/lib/i386/relocator.c b/lib/i386/relocator.c index 6a9b3ce1b..0205d8ef4 100644 --- a/lib/i386/relocator.c +++ b/lib/i386/relocator.c @@ -80,6 +80,25 @@ grub_relocator32_alloc (grub_size_t size) return playground + RELOCATOR_SIZEOF (forward); } +void * +grub_relocator32_realloc (void *relocator, grub_size_t size) +{ + char *playground; + + playground = (char *) relocator - RELOCATOR_SIZEOF (forward); + + playground = grub_realloc (playground, + (RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN) + + size + + (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN)); + if (!playground) + return 0; + + *(grub_size_t *) playground = size; + + return playground + RELOCATOR_SIZEOF (forward); +} + void grub_relocator32_free (void *relocator) { From 5c29f4d96291f88bd0529c4037dec4c1c72f646e Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 5 Aug 2009 19:30:43 +0200 Subject: [PATCH 006/128] Improvements --- THANKS | 1 + include/grub/i386/pc/memory.h | 17 +-- lib/i386/relocator.c | 12 +- lib/i386/relocator_asm.S | 252 +++++++++++++++++----------------- 4 files changed, 130 insertions(+), 152 deletions(-) diff --git a/THANKS b/THANKS index 5ce190944..82b4bc838 100644 --- a/THANKS +++ b/THANKS @@ -8,6 +8,7 @@ generally assist in the GRUB 2 maintainership process: Andrey Shuvikov Bibo Mao +David Miller Guillem Jover Harley D. Eades III Hitoshi Ozeki diff --git a/include/grub/i386/pc/memory.h b/include/grub/i386/pc/memory.h index d7910ab15..b1d75dbc9 100644 --- a/include/grub/i386/pc/memory.h +++ b/include/grub/i386/pc/memory.h @@ -28,6 +28,8 @@ #include #endif +#include + /* The scratch buffer used in real mode code. */ #define GRUB_MEMORY_MACHINE_SCRATCH_ADDR 0x68000 #define GRUB_MEMORY_MACHINE_SCRATCH_SEG (GRUB_MEMORY_MACHINE_SCRATCH_ADDR >> 4) @@ -63,21 +65,6 @@ /* The address where another boot loader is loaded. */ #define GRUB_MEMORY_MACHINE_BOOT_LOADER_ADDR 0x7c00 -/* The flag for protected mode. */ -#define GRUB_MEMORY_MACHINE_CR0_PE_ON 0x1 - -/* The code segment of the protected mode. */ -#define GRUB_MEMORY_MACHINE_PROT_MODE_CSEG 0x8 - -/* The data segment of the protected mode. */ -#define GRUB_MEMORY_MACHINE_PROT_MODE_DSEG 0x10 - -/* The code segment of the pseudo real mode. */ -#define GRUB_MEMORY_MACHINE_PSEUDO_REAL_CSEG 0x18 - -/* The data segment of the pseudo real mode. */ -#define GRUB_MEMORY_MACHINE_PSEUDO_REAL_DSEG 0x20 - #ifndef ASM_FILE struct grub_machine_mmap_entry diff --git a/lib/i386/relocator.c b/lib/i386/relocator.c index 0205d8ef4..3f0a40a27 100644 --- a/lib/i386/relocator.c +++ b/lib/i386/relocator.c @@ -32,19 +32,11 @@ extern grub_uint8_t grub_relocator32_backward_end; extern grub_uint32_t grub_relocator32_backward_dest; extern grub_uint32_t grub_relocator32_backward_size; -#ifdef __x86_64__ -extern grub_uint64_t grub_relocator32_backward_src; -#else -extern grub_uint32_t grub_relocator32_backward_src; -#endif +extern grub_addr_t grub_relocator32_backward_src; extern grub_uint32_t grub_relocator32_forward_dest; extern grub_uint32_t grub_relocator32_forward_size; -#ifdef __x86_64__ -extern grub_uint64_t grub_relocator32_forward_src; -#else -extern grub_uint32_t grub_relocator32_forward_src; -#endif +extern grub_addr_t grub_relocator32_forward_src; extern grub_uint32_t grub_relocator32_forward_eax; extern grub_uint32_t grub_relocator32_forward_ebx; diff --git a/lib/i386/relocator_asm.S b/lib/i386/relocator_asm.S index d022a6840..7d58c8e97 100644 --- a/lib/i386/relocator_asm.S +++ b/lib/i386/relocator_asm.S @@ -17,12 +17,35 @@ */ #include +#include #ifdef BACKWARD #define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_backward_ ## x) #else #define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_forward_ ## x) #endif +#ifdef __x86_64__ +#define RAX %rax +#define RCX %rcx +#define RDI %rdi +#define RSI %rdi +#else +#define RAX %eax +#define RCX %ecx +#define RDI %edi +#define RSI %esi +#endif + +/* Apple's linker has a problem with 64-bit relocations. */ +#if defined (__apple__) || ! defined (__x86_64__) +#define RSIA %esi +#define RAXA %eax +#else +#define RSIA %rsi +#define RAXA %rax +#endif + + .p2align 4 /* force 16-byte alignment */ RELOCATOR_VARIABLE(start) @@ -35,88 +58,64 @@ base: /* mov imm32, %eax */ .byte 0xb8 RELOCATOR_VARIABLE(dest) - .long 0 - mov %eax, %edi + .long 0 + movl %eax, %edi /* mov imm32, %eax */ .byte 0xb8 RELOCATOR_VARIABLE(src) - .long 0 - mov %eax, %esi + .long 0 + movl %eax, %esi /* mov imm32, %ecx */ .byte 0xb9 RELOCATOR_VARIABLE(size) - .long 0 - mov %edi, %eax -#ifndef BACKWARD - add %ecx, %eax -#endif - add $0x3, %ecx - shr $2, %ecx - -#ifdef BACKWARD - /* Backward movsl is implicitly off-by-four. compensate that. */ - subl $4, %esi - subl $4, %edi - - /* Backward copy. */ - std - addl %ecx, %esi - addl %ecx, %edi - - rep - movsl - + .long 0 #else - /* Forward copy. */ - cld - rep - movsl -#endif - /* %eax contains now our new base. */ - mov %eax, %esi - add $(cont0 - base), %eax - jmp *%eax -cont0: -#else - xorq %rax, %rax + xorq %rax, %rax /* mov imm32, %eax */ .byte 0xb8 RELOCATOR_VARIABLE(dest) - .long 0 - mov %eax, %edi + .long 0 + movq %rax, %rdi /* mov imm64, %rax */ .byte 0x48 .byte 0xb8 RELOCATOR_VARIABLE(src) - .long 0, 0 - mov %rax, %rsi + .long 0, 0 + movq %rax, %rsi - xorq %rcx, %rcx + xorq %rcx, %rcx /* mov imm32, %ecx */ .byte 0xb9 RELOCATOR_VARIABLE(size) - .long 0 + .long 0 - mov %rdi, %rax -#ifndef BACKWARD - add %rcx, %rax #endif - add $0x3, %rcx - shr $2, %rcx + mov RDI, RAX + +#ifdef BACKWARD + add RCX, RSI + add RDX, RDI +#endif + +#ifndef BACKWARD + add RCX, RAX +#endif + addq $0x3, RCX + shrq $2, RCX + + #ifdef BACKWARD /* Backward movsl is implicitly off-by-four. compensate that. */ - subq $4, %rsi - subq $4, %rdi + subq $4, RSI + subq $4, RDI /* Backward copy. */ std - addq %rcx, %rsi - addq %rcx, %rdi rep movsl @@ -129,142 +128,141 @@ RELOCATOR_VARIABLE(size) #endif /* %rax contains now our new 'base'. */ - mov %rax, %rsi -#ifdef APPLE_CC - add $(cont0 - base), %eax -#else - add $(cont0 - base), %rax -#endif - jmp *%rax + mov RAX, RSI + add $(cont0 - base), RAXA + jmp *RAX cont0: -#ifdef APPLE_CC - lea (cont1 - base) (%esi, 1), %eax - mov %eax, (jump_vector - base) (%esi, 1) + lea (cont1 - base) (RSIA, 1), RAXA + movl %eax, (jump_vector - base) (RSIA, 1) - lea (gdt - base) (%esi, 1), %eax - mov %eax, (gdt_addr - base) (%esi, 1) + lea (gdt - base) (RSIA, 1), RAXA + mov RAXA, (gdt_addr - base) (RSIA, 1) /* Switch to compatibility mode. */ - lgdt (gdtdesc - base) (%esi, 1) + lgdt (gdtdesc - base) (RSIA, 1) /* Update %cs. Thanks to David Miller for pointing this mistake out. */ - ljmp *(jump_vector - base) (%esi,1) -#else - lea (cont1 - base) (%rsi, 1), %rax - mov %eax, (jump_vector - base) (%rsi, 1) - - lea (gdt - base) (%rsi, 1), %rax - mov %rax, (gdt_addr - base) (%rsi, 1) - - /* Switch to compatibility mode. */ - - lgdt (gdtdesc - base) (%rsi, 1) - - /* Update %cs. Thanks to David Miller for pointing this mistake out. */ - ljmp *(jump_vector - base) (%rsi, 1) -#endif + ljmp *(jump_vector - base) (RSIA, 1) cont1: .code32 /* Update other registers. */ - mov $0x18, %eax - mov %eax, %ds - mov %eax, %es - mov %eax, %fs - mov %eax, %gs - mov %eax, %ss + movl $GRUB_MEMORY_MACHINE_PROT_MODE_DSEG, %eax + movl %eax, %ds + movl %eax, %es + movl %eax, %fs + movl %eax, %gs + movl %eax, %ss /* Disable paging. */ - mov %cr0, %eax - and $0x7fffffff, %eax - mov %eax, %cr0 + movl %cr0, %eax + andl $0x7fffffff, %eax + movl %eax, %cr0 /* Disable amd64. */ - mov $0xc0000080, %ecx + movl $0xc0000080, %ecx rdmsr - and $0xfffffeff, %eax + andl $0xfffffeff, %eax wrmsr /* Turn off PAE. */ - movl %cr4, %eax - and $0xffffffcf, %eax - mov %eax, %cr4 + movl %cr4, %eax + andl $0xffffffcf, %eax + movl %eax, %cr4 - jmp cont2 + jmp cont2 cont2: -#endif .code32 /* mov imm32, %eax */ .byte 0xb8 RELOCATOR_VARIABLE (esp) - .long 0 + .long 0 - movl %eax, %esp + movl %eax, %esp /* mov imm32, %eax */ .byte 0xb8 RELOCATOR_VARIABLE (eax) - .long 0 + .long 0 /* mov imm32, %ebx */ .byte 0xbb RELOCATOR_VARIABLE (ebx) - .long 0 + .long 0 /* mov imm32, %ecx */ .byte 0xb9 RELOCATOR_VARIABLE (ecx) - .long 0 + .long 0 /* mov imm32, %edx */ .byte 0xba RELOCATOR_VARIABLE (edx) - .long 0 + .long 0 /* Cleared direction flag is of no problem with any current payload and makes this implementation easier. */ cld - .byte 0xea + .byte 0xea RELOCATOR_VARIABLE (eip) - .long 0 -#ifdef __x86_64__ - .word 0x10 -#else - .word 0x08 -#endif + .long 0 + .word 0x08 -#ifdef __x86_64__ - /* GDT. Copied from loader/i386/linux.c. */ - .p2align 4 + /* GDT. The same as is used in 32-bit GRUB. */ + .p2align 4 gdt: - /* NULL. */ - .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + .word 0, 0 + .byte 0, 0, 0, 0 - /* Reserved. */ - .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + /* -- code segment -- + * base = 0x00000000, limit = 0xFFFFF (4 KiB Granularity), present + * type = 32bit code execute/read, DPL = 0 + */ + .word 0xFFFF, 0 + .byte 0, 0x9A, 0xCF, 0 - /* Code segment. */ - .byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x9A, 0xCF, 0x00 + /* -- data segment -- + * base = 0x00000000, limit 0xFFFFF (4 KiB Granularity), present + * type = 32 bit data read/write, DPL = 0 + */ + .word 0xFFFF, 0 + .byte 0, 0x92, 0xCF, 0 - /* Data segment. */ - .byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x92, 0xCF, 0x00 + /* -- 16 bit real mode CS -- + * base = 0x00000000, limit 0x0FFFF (1 B Granularity), present + * type = 16 bit code execute/read only/conforming, DPL = 0 + */ + .word 0xFFFF, 0 + .byte 0, 0x9E, 0, 0 + /* -- 16 bit real mode DS -- + * base = 0x00000000, limit 0x0FFFF (1 B Granularity), present + * type = 16 bit data read/write, DPL = 0 + */ + .word 0xFFFF, 0 + .byte 0, 0x92, 0, 0 + + .p2align 4 gdtdesc: - .word 31 + .word 0x27 gdt_addr: +#ifdef __x86_64__ /* Filled by the code. */ - .quad 0 - - .p2align 4 + .quad 0 +#else + /* Filled by the code. */ + .long 0 +#endif + + .p2align 4 jump_vector: /* Jump location. Is filled by the code */ - .long 0 - .long 0x10 -#endif + .long 0 + .long GRUB_MEMORY_MACHINE_PROT_MODE_CSEG #ifndef BACKWARD base: From b131c45455556d58940b53071e1bb1a8ed8fd2bf Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 5 Aug 2009 19:58:05 +0200 Subject: [PATCH 007/128] Improvements for Apple? --- include/grub/i386/memory.h | 30 ++++++++++ include/grub/i386/pc/memory.h | 12 ++++ kern/i386/realmode.S | 4 +- lib/i386/relocator_asm.S | 107 ++++++++++++++-------------------- 4 files changed, 87 insertions(+), 66 deletions(-) create mode 100644 include/grub/i386/memory.h diff --git a/include/grub/i386/memory.h b/include/grub/i386/memory.h new file mode 100644 index 000000000..a0f3192b8 --- /dev/null +++ b/include/grub/i386/memory.h @@ -0,0 +1,30 @@ +/* memory.h - describe the memory map */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MEMORY_CPU_HEADER +#define GRUB_MEMORY_CPU_HEADER 1 + +/* The flag for protected mode. */ +#define GRUB_MEMORY_CPU_CR0_PE_ON 0x1 +#define GRUB_MEMORY_CPU_CR4_PAE_ON 0x00000040 +#define GRUB_MEMORY_CPU_CR0_PAGING_ON 0x80000000 +#define GRUB_MEMORY_CPU_AMD64_MSR 0xc0000080 +#define GRUB_MEMORY_CPU_AMD64_MSR_ON 0x00000100 + +#endif /* ! GRUB_MEMORY_CPU_HEADER */ diff --git a/include/grub/i386/pc/memory.h b/include/grub/i386/pc/memory.h index b1d75dbc9..7a132fd24 100644 --- a/include/grub/i386/pc/memory.h +++ b/include/grub/i386/pc/memory.h @@ -65,6 +65,18 @@ /* The address where another boot loader is loaded. */ #define GRUB_MEMORY_MACHINE_BOOT_LOADER_ADDR 0x7c00 +/* The code segment of the protected mode. */ +#define GRUB_MEMORY_MACHINE_PROT_MODE_CSEG 0x8 + +/* The data segment of the protected mode. */ +#define GRUB_MEMORY_MACHINE_PROT_MODE_DSEG 0x10 + +/* The code segment of the pseudo real mode. */ +#define GRUB_MEMORY_MACHINE_PSEUDO_REAL_CSEG 0x18 + +/* The data segment of the pseudo real mode. */ +#define GRUB_MEMORY_MACHINE_PSEUDO_REAL_DSEG 0x20 + #ifndef ASM_FILE struct grub_machine_mmap_entry diff --git a/kern/i386/realmode.S b/kern/i386/realmode.S index 11f4d5347..5f28f9eb3 100644 --- a/kern/i386/realmode.S +++ b/kern/i386/realmode.S @@ -127,7 +127,7 @@ real_to_prot: /* turn on protected mode */ movl %cr0, %eax - orl $GRUB_MEMORY_MACHINE_CR0_PE_ON, %eax + orl $GRUB_MEMORY_CPU_CR0_PE_ON, %eax movl %eax, %cr0 /* jump to relocation, flush prefetch queue, and reload %cs */ @@ -196,7 +196,7 @@ tmpcseg: /* clear the PE bit of CR0 */ movl %cr0, %eax - andl $(~GRUB_MEMORY_MACHINE_CR0_PE_ON), %eax + andl $(~GRUB_MEMORY_CPU_CR0_PE_ON), %eax movl %eax, %cr0 /* flush prefetch queue, reload %cs */ diff --git a/lib/i386/relocator_asm.S b/lib/i386/relocator_asm.S index 7d58c8e97..72c057ce2 100644 --- a/lib/i386/relocator_asm.S +++ b/lib/i386/relocator_asm.S @@ -27,30 +27,28 @@ #ifdef __x86_64__ #define RAX %rax #define RCX %rcx +#define RDX %rdx #define RDI %rdi #define RSI %rdi #else #define RAX %eax #define RCX %ecx +#define RDX %edx #define RDI %edi #define RSI %esi #endif -/* Apple's linker has a problem with 64-bit relocations. */ -#if defined (__apple__) || ! defined (__x86_64__) -#define RSIA %esi -#define RAXA %eax -#else -#define RSIA %rsi -#define RAXA %rax -#endif +/* The code segment of the protected mode. */ +#define CODE_SEGMENT 0x10 +/* The data segment of the protected mode. */ +#define DATA_SEGMENT 0x18 .p2align 4 /* force 16-byte alignment */ RELOCATOR_VARIABLE(start) #ifdef BACKWARD -base: +L_base: #endif cli @@ -105,14 +103,14 @@ RELOCATOR_VARIABLE(size) #ifndef BACKWARD add RCX, RAX #endif - addq $0x3, RCX - shrq $2, RCX + add $0x3, RCX + shr $2, RCX #ifdef BACKWARD /* Backward movsl is implicitly off-by-four. compensate that. */ - subq $4, RSI - subq $4, RDI + sub $4, RSI + sub $4, RDI /* Backward copy. */ std @@ -129,27 +127,27 @@ RELOCATOR_VARIABLE(size) /* %rax contains now our new 'base'. */ mov RAX, RSI - add $(cont0 - base), RAXA + add $(L_cont0 - L_base), RAX jmp *RAX -cont0: - lea (cont1 - base) (RSIA, 1), RAXA - movl %eax, (jump_vector - base) (RSIA, 1) +L_cont0: + lea (L_cont1 - L_base) (RSI, 1), RAX + movl %eax, (L_jump_vector - L_base) (RSI, 1) - lea (gdt - base) (RSIA, 1), RAXA - mov RAXA, (gdt_addr - base) (RSIA, 1) + lea (L_gdt - L_base) (RSI, 1), RAX + mov RAX, (L_gdt_addr - L_base) (RSI, 1) /* Switch to compatibility mode. */ - lgdt (gdtdesc - base) (RSIA, 1) + lgdt (L_gdtdesc - L_base) (RSI, 1) /* Update %cs. Thanks to David Miller for pointing this mistake out. */ - ljmp *(jump_vector - base) (RSIA, 1) + ljmp *(L_jump_vector - L_base) (RSI, 1) -cont1: +L_cont1: .code32 /* Update other registers. */ - movl $GRUB_MEMORY_MACHINE_PROT_MODE_DSEG, %eax + movl $DATA_SEGMENT, %eax movl %eax, %ds movl %eax, %es movl %eax, %fs @@ -158,22 +156,22 @@ cont1: /* Disable paging. */ movl %cr0, %eax - andl $0x7fffffff, %eax + andl $(~GRUB_MEMORY_CPU_CR0_PAGING_ON), %eax movl %eax, %cr0 /* Disable amd64. */ - movl $0xc0000080, %ecx + movl $GRUB_MEMORY_CPU_AMD64_MSR, %ecx rdmsr - andl $0xfffffeff, %eax + andl $(~GRUB_MEMORY_CPU_AMD64_MSR_ON), %eax wrmsr /* Turn off PAE. */ movl %cr4, %eax - andl $0xffffffcf, %eax + andl $GRUB_MEMORY_CPU_CR4_PAE_ON, %eax movl %eax, %cr4 - jmp cont2 -cont2: + jmp L_cont2 +L_cont2: .code32 /* mov imm32, %eax */ @@ -212,44 +210,25 @@ RELOCATOR_VARIABLE (eip) .long 0 .word 0x08 - /* GDT. The same as is used in 32-bit GRUB. */ + /* GDT. Copied from loader/i386/linux.c. */ .p2align 4 -gdt: - .word 0, 0 - .byte 0, 0, 0, 0 +L_gdt: + /* NULL. */ + .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + + /* Reserved. */ + .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 - /* -- code segment -- - * base = 0x00000000, limit = 0xFFFFF (4 KiB Granularity), present - * type = 32bit code execute/read, DPL = 0 - */ - .word 0xFFFF, 0 - .byte 0, 0x9A, 0xCF, 0 + /* Code segment. */ + .byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x9A, 0xCF, 0x00 - /* -- data segment -- - * base = 0x00000000, limit 0xFFFFF (4 KiB Granularity), present - * type = 32 bit data read/write, DPL = 0 - */ - .word 0xFFFF, 0 - .byte 0, 0x92, 0xCF, 0 - - /* -- 16 bit real mode CS -- - * base = 0x00000000, limit 0x0FFFF (1 B Granularity), present - * type = 16 bit code execute/read only/conforming, DPL = 0 - */ - .word 0xFFFF, 0 - .byte 0, 0x9E, 0, 0 - - /* -- 16 bit real mode DS -- - * base = 0x00000000, limit 0x0FFFF (1 B Granularity), present - * type = 16 bit data read/write, DPL = 0 - */ - .word 0xFFFF, 0 - .byte 0, 0x92, 0, 0 + /* Data segment. */ + .byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x92, 0xCF, 0x00 .p2align 4 -gdtdesc: +L_gdtdesc: .word 0x27 -gdt_addr: +L_gdt_addr: #ifdef __x86_64__ /* Filled by the code. */ .quad 0 @@ -259,13 +238,13 @@ gdt_addr: #endif .p2align 4 -jump_vector: +L_jump_vector: /* Jump location. Is filled by the code */ .long 0 - .long GRUB_MEMORY_MACHINE_PROT_MODE_CSEG + .long CODE_SEGMENT #ifndef BACKWARD -base: +L_base: #endif RELOCATOR_VARIABLE(end) From e27fbc80e4c7bbd6a75dd609446448c77915620b Mon Sep 17 00:00:00 2001 From: phcoder Date: Fri, 9 Oct 2009 19:50:31 +0200 Subject: [PATCH 008/128] kernel.img compiles on mipsel-qemu-r4k --- conf/mips.rmk | 125 +++++++++++++++++++++++++ conf/mipsel-qemu-r4k.rmk | 4 + configure.ac | 1 + include/grub/mipsel/kernel.h | 32 +++++++ include/grub/mipsel/qemu-r4k/kernel.h | 35 +++++++ include/grub/mipsel/qemu-r4k/machine.h | 24 +++++ include/grub/mipsel/qemu-r4k/memory.h | 35 +++++++ include/grub/mipsel/qemu-r4k/time.h | 34 +++++++ include/grub/mipsel/time.h | 0 include/grub/mipsel/types.h | 31 ++++++ kern/mipsel/cache.S | 5 + kern/mipsel/dl.c | 109 +++++++++++++++++++++ kern/mipsel/qemu-r4k/init.c | 58 ++++++++++++ kern/mipsel/qemu-r4k/startup.S | 55 +++++++++++ lib/mipsel/setjmp.S | 0 15 files changed, 548 insertions(+) create mode 100644 conf/mips.rmk create mode 100644 conf/mipsel-qemu-r4k.rmk create mode 100644 include/grub/mipsel/kernel.h create mode 100644 include/grub/mipsel/qemu-r4k/kernel.h create mode 100644 include/grub/mipsel/qemu-r4k/machine.h create mode 100644 include/grub/mipsel/qemu-r4k/memory.h create mode 100644 include/grub/mipsel/qemu-r4k/time.h create mode 100644 include/grub/mipsel/time.h create mode 100644 include/grub/mipsel/types.h create mode 100644 kern/mipsel/cache.S create mode 100644 kern/mipsel/dl.c create mode 100644 kern/mipsel/qemu-r4k/init.c create mode 100644 kern/mipsel/qemu-r4k/startup.S create mode 100644 lib/mipsel/setjmp.S diff --git a/conf/mips.rmk b/conf/mips.rmk new file mode 100644 index 000000000..6d8df9e4e --- /dev/null +++ b/conf/mips.rmk @@ -0,0 +1,125 @@ + +# -*- makefile -*- + +COMMON_ASFLAGS = -nostdinc +COMMON_CFLAGS = +COMMON_LDFLAGS += -nostdlib + +# Used by various components. These rules need to precede them. +script/sh/lexer.c_DEPENDENCIES = grub_script.tab.h + +# Images. + +MOSTLYCLEANFILES += symlist.c kernel_syms.lst +DEFSYMFILES += kernel_syms.lst + +kernel_img_HEADERS = boot.h cache.h device.h disk.h dl.h elf.h elfload.h \ + env.h err.h file.h fs.h kernel.h misc.h mm.h net.h parser.h reader.h \ + symbol.h term.h time.h types.h loader.h partition.h \ + msdos_partition.h machine/kernel.h handler.h list.h \ + command.h + +symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h gensymlist.sh + /bin/sh gensymlist.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1) + +kernel_syms.lst: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h genkernsyms.sh + /bin/sh genkernsyms.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1) + +# Programs +pkglib_PROGRAMS = kernel.img + +# Utilities. +sbin_UTILITIES = grub-mkdevicemap +ifeq ($(enable_grub_emu), yes) +sbin_UTILITIES += grub-emu +endif + +# For grub-mkdevicemap. +grub_mkdevicemap_SOURCES = util/grub-mkdevicemap.c util/deviceiter.c \ + util/devicemap.c util/misc.c + +# For grub-emu +util/grub-emu.c_DEPENDENCIES = grub_emu_init.h +grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ + commands/configfile.c commands/help.c \ + commands/search.c commands/handler.c commands/test.c \ + commands/ls.c commands/blocklist.c commands/hexdump.c \ + lib/hexdump.c commands/reboot.c \ + lib/envblk.c commands/loadenv.c \ + commands/gptsync.c commands/probe.c commands/xnu_uuid.c \ + commands/password.c commands/keystatus.c \ + disk/loopback.c \ + \ + fs/affs.c fs/cpio.c fs/fat.c fs/ext2.c fs/hfs.c \ + fs/hfsplus.c fs/iso9660.c fs/udf.c fs/jfs.c fs/minix.c \ + fs/ntfs.c fs/ntfscomp.c fs/reiserfs.c fs/sfs.c \ + fs/ufs.c fs/ufs2.c fs/xfs.c fs/afs.c fs/afs_be.c \ + fs/befs.c fs/befs_be.c fs/tar.c \ + \ + io/gzio.c \ + kern/device.c kern/disk.c kern/dl.c kern/elf.c kern/env.c \ + kern/err.c kern/file.c kern/fs.c commands/boot.c kern/main.c \ + kern/misc.c kern/parser.c kern/partition.c kern/reader.c \ + kern/rescue_reader.c kern/rescue_parser.c \ + kern/term.c kern/list.c kern/handler.c fs/fshelp.c \ + kern/command.c kern/corecmd.c commands/extcmd.c \ + lib/arg.c normal/cmdline.c normal/datetime.c \ + normal/completion.c normal/misc.c \ + normal/handler.c normal/auth.c normal/autofs.c normal/main.c \ + normal/menu.c \ + normal/menu_text.c \ + normal/menu_entry.c normal/menu_viewer.c \ + normal/color.c \ + script/sh/main.c script/sh/execute.c script/sh/function.c \ + script/sh/lexer.c script/sh/script.c \ + partmap/amiga.c partmap/apple.c partmap/msdos.c partmap/sun.c \ + partmap/acorn.c \ + util/console.c util/hostfs.c util/grub-emu.c util/misc.c \ + util/hostdisk.c util/getroot.c \ + \ + disk/raid.c disk/raid5_recover.c disk/raid6_recover.c \ + disk/mdraid_linux.c disk/dmraid_nvidia.c disk/lvm.c \ + commands/parttool.c parttool/msdospart.c \ + grub_script.tab.c grub_emu_init.c + +grub_emu_LDFLAGS = $(LIBCURSES) + +kernel_img_SOURCES = kern/mipsel/qemu-r4k/startup.S \ + kern/main.c kern/device.c kern/$(target_cpu)/$(target_machine)/init.c \ + kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ + kern/misc.c kern/mm.c kern/reader.c kern/term.c \ + kern/rescue_parser.c kern/rescue_reader.c \ + kern/list.c kern/handler.c kern/command.c kern/corecmd.c \ + kern/parser.c kern/partition.c kern/env.c kern/$(target_cpu)/dl.c \ + kern/generic/millisleep.c kern/time.c \ + symlist.c kern/$(target_cpu)/cache.S +kernel_img_CFLAGS = $(COMMON_CFLAGS) +kernel_img_ASFLAGS = $(COMMON_ASFLAGS) +kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -static-libgcc -lgcc \ + -Wl,-N,-S,-Ttext,$(LINK_BASE),-Bstatic + +# Scripts. +sbin_SCRIPTS = grub-install +bin_SCRIPTS = grub-mkrescue + +# Modules. +pkglib_MODULES = memdisk.mod \ + lsmmap.mod + +# For boot.mod. +pkglib_MODULES += boot.mod +boot_mod_SOURCES = commands/boot.c lib/i386/pc/biosnum.c +boot_mod_CFLAGS = $(COMMON_CFLAGS) +boot_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For memdisk.mod. +memdisk_mod_SOURCES = disk/memdisk.c +memdisk_mod_CFLAGS = $(COMMON_CFLAGS) +memdisk_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For lsmmap.mod +lsmmap_mod_SOURCES = commands/lsmmap.c +lsmmap_mod_CFLAGS = $(COMMON_CFLAGS) +lsmmap_mod_LDFLAGS = $(COMMON_LDFLAGS) + +include $(srcdir)/conf/common.mk diff --git a/conf/mipsel-qemu-r4k.rmk b/conf/mipsel-qemu-r4k.rmk new file mode 100644 index 000000000..3ff36c472 --- /dev/null +++ b/conf/mipsel-qemu-r4k.rmk @@ -0,0 +1,4 @@ +# -*- makefile -*- +LINK_BASE = 0x80010000 +target_machine=qemu-r4k +include $(srcdir)/conf/mips.mk diff --git a/configure.ac b/configure.ac index 3e4da66c8..74dcc5dd4 100644 --- a/configure.ac +++ b/configure.ac @@ -89,6 +89,7 @@ case "$target_cpu"-"$platform" in i386-qemu) ;; powerpc-ieee1275) ;; sparc64-ieee1275) ;; + mipsel-qemu-r4k) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; esac diff --git a/include/grub/mipsel/kernel.h b/include/grub/mipsel/kernel.h new file mode 100644 index 000000000..326f1244d --- /dev/null +++ b/include/grub/mipsel/kernel.h @@ -0,0 +1,32 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_KERNEL_CPU_HEADER +#define GRUB_KERNEL_CPU_HEADER 1 + +#define GRUB_MOD_ALIGN 0x1000 + +/* Minimal gap between _end and the start of the modules. It's a hack + for PowerMac to prevent "CLAIM failed" error. The real fix is to + rewrite grub-mkimage to generate valid ELF files. */ +#define GRUB_MOD_GAP 0x8000 + +#define GRUB_KERNEL_CPU_PREFIX 0x8 +#define GRUB_KERNEL_CPU_DATA_END 0x48 + +#endif diff --git a/include/grub/mipsel/qemu-r4k/kernel.h b/include/grub/mipsel/qemu-r4k/kernel.h new file mode 100644 index 000000000..6a10f2df1 --- /dev/null +++ b/include/grub/mipsel/qemu-r4k/kernel.h @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_KERNEL_MACHINE_HEADER +#define GRUB_KERNEL_MACHINE_HEADER 1 + +#include + +#ifndef ASM_FILE + +void EXPORT_FUNC (grub_reboot) (void); +void EXPORT_FUNC (grub_halt) (void); + +/* The prefix which points to the directory where GRUB modules and its + configuration file are located. */ +extern char grub_prefix[]; + +#endif + +#endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/mipsel/qemu-r4k/machine.h b/include/grub/mipsel/qemu-r4k/machine.h new file mode 100644 index 000000000..9bad5dca9 --- /dev/null +++ b/include/grub/mipsel/qemu-r4k/machine.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_MACHINE_HEADER +#define GRUB_MACHINE_MACHINE_HEADER 1 + +#define GRUB_MACHINE_MIPS_QEMU 1 + +#endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/include/grub/mipsel/qemu-r4k/memory.h b/include/grub/mipsel/qemu-r4k/memory.h new file mode 100644 index 000000000..6021bab04 --- /dev/null +++ b/include/grub/mipsel/qemu-r4k/memory.h @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MEMORY_MACHINE_HEADER +#define GRUB_MEMORY_MACHINE_HEADER 1 + +#ifndef ASM_FILE +#include +#include +#include +#endif + +#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x81000000 + +#ifndef ASM_FILE +grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate) +(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); +#endif + +#endif diff --git a/include/grub/mipsel/qemu-r4k/time.h b/include/grub/mipsel/qemu-r4k/time.h new file mode 100644 index 000000000..a73f64dea --- /dev/null +++ b/include/grub/mipsel/qemu-r4k/time.h @@ -0,0 +1,34 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_MACHINE_TIME_HEADER +#define KERNEL_MACHINE_TIME_HEADER 1 + +#include + +#define GRUB_TICKS_PER_SECOND 1000 + +/* Return the real time in ticks. */ +grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); + +static inline void +grub_cpu_idle(void) +{ +} + +#endif /* ! KERNEL_MACHINE_TIME_HEADER */ diff --git a/include/grub/mipsel/time.h b/include/grub/mipsel/time.h new file mode 100644 index 000000000..e69de29bb diff --git a/include/grub/mipsel/types.h b/include/grub/mipsel/types.h new file mode 100644 index 000000000..94a35be6e --- /dev/null +++ b/include/grub/mipsel/types.h @@ -0,0 +1,31 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_TYPES_CPU_HEADER +#define GRUB_TYPES_CPU_HEADER 1 + +/* The size of void *. */ +#define GRUB_TARGET_SIZEOF_VOID_P 4 + +/* The size of long. */ +#define GRUB_TARGET_SIZEOF_LONG 4 + +/* mipsEL is little-endian. */ +#undef GRUB_TARGET_WORDS_BIGENDIAN + +#endif /* ! GRUB_TYPES_CPU_HEADER */ diff --git a/kern/mipsel/cache.S b/kern/mipsel/cache.S new file mode 100644 index 000000000..5341f07a2 --- /dev/null +++ b/kern/mipsel/cache.S @@ -0,0 +1,5 @@ +#include + +FUNCTION (grub_arch_sync_caches) +FUNCTION (_flush_cache) + j $31 diff --git a/kern/mipsel/dl.c b/kern/mipsel/dl.c new file mode 100644 index 000000000..57854964b --- /dev/null +++ b/kern/mipsel/dl.c @@ -0,0 +1,109 @@ +/* dl-386.c - arch-dependent part of loadable module support */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2005,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include +#include + +/* Check if EHDR is a valid ELF header. */ +grub_err_t +grub_arch_dl_check_header (void *ehdr) +{ + Elf_Ehdr *e = ehdr; + + /* Check the magic numbers. */ + if (e->e_ident[EI_CLASS] != ELFCLASS32 + || e->e_ident[EI_DATA] != ELFDATA2LSB + || e->e_machine != EM_386) + return grub_error (GRUB_ERR_BAD_OS, "invalid arch specific ELF magic"); + + return GRUB_ERR_NONE; +} + +/* Relocate symbols. */ +grub_err_t +grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) +{ + Elf_Ehdr *e = ehdr; + Elf_Shdr *s; + Elf_Word entsize; + unsigned i; + + /* Find a symbol table. */ + for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); + i < e->e_shnum; + i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) + if (s->sh_type == SHT_SYMTAB) + break; + + if (i == e->e_shnum) + return grub_error (GRUB_ERR_BAD_MODULE, "no symtab found"); + + entsize = s->sh_entsize; + + for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); + i < e->e_shnum; + i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) + if (s->sh_type == SHT_REL) + { + grub_dl_segment_t seg; + + /* Find the target segment. */ + for (seg = mod->segment; seg; seg = seg->next) + if (seg->section == s->sh_info) + break; + + if (seg) + { + Elf_Rel *rel, *max; + + for (rel = (Elf_Rel *) ((char *) e + s->sh_offset), + max = rel + s->sh_size / s->sh_entsize; + rel < max; + rel++) + { + Elf_Word *addr; + Elf_Sym *sym; + + if (seg->size < rel->r_offset) + return grub_error (GRUB_ERR_BAD_MODULE, + "reloc offset is out of the segment"); + + addr = (Elf_Word *) ((char *) seg->addr + rel->r_offset); + sym = (Elf_Sym *) ((char *) mod->symtab + + entsize * ELF_R_SYM (rel->r_info)); + + switch (ELF_R_TYPE (rel->r_info)) + { + case R_386_32: + *addr += sym->st_value; + break; + + case R_386_PC32: + *addr += (sym->st_value - (Elf_Word) seg->addr + - rel->r_offset); + break; + } + } + } + } + + return GRUB_ERR_NONE; +} diff --git a/kern/mipsel/qemu-r4k/init.c b/kern/mipsel/qemu-r4k/init.c new file mode 100644 index 000000000..0600a345f --- /dev/null +++ b/kern/mipsel/qemu-r4k/init.c @@ -0,0 +1,58 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +grub_uint32_t +grub_get_rtc (void) +{ + static int calln = 0; + return calln++; +} + +void +grub_machine_init (void) +{ +} + +void +grub_machine_fini (void) +{ +} + +void +grub_exit (void) +{ + while (1); +} + +void +grub_halt (void) +{ + while (1); +} + +void +grub_reboot (void) +{ + while (1); +} + +void +grub_machine_set_prefix (void) +{ + grub_env_set ("prefix", grub_prefix); +} + +extern char _start[]; +extern char _end[]; + +grub_addr_t +grub_arch_modules_addr (void) +{ + return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); +} diff --git a/kern/mipsel/qemu-r4k/startup.S b/kern/mipsel/qemu-r4k/startup.S new file mode 100644 index 000000000..19de4779d --- /dev/null +++ b/kern/mipsel/qemu-r4k/startup.S @@ -0,0 +1,55 @@ +/* startup.S - Startup code for the MIPS. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include + +.extern __bss_start +.extern _end + + .globl __start, _start, start +__start: +_start: +start: + b codestart + . = _start + GRUB_KERNEL_CPU_PREFIX + +VARIABLE(grub_prefix) + /* to be filled by grub-mkelfimage */ + + /* + * Leave some breathing room for the prefix. + */ + + . = _start + GRUB_KERNEL_CPU_DATA_END +codestart: + lui $t1, %hi(__bss_start) + addiu $t1, %lo(__bss_start) + lui $t2, %hi(_end) + addiu $t2, %lo(_end) + +bsscont: + sb $0,0($t1) + addiu $t1,$t1,1 + sltu $t3,$t1,$t2 + bne $3, $0, bsscont + + li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH + b grub_main \ No newline at end of file diff --git a/lib/mipsel/setjmp.S b/lib/mipsel/setjmp.S new file mode 100644 index 000000000..e69de29bb From de75aa3d67a83ce74cac4aa74e47f9affb1489a6 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 13:30:14 +0200 Subject: [PATCH 009/128] Hello from mipsel --- conf/mips.rmk | 8 ++++---- genmoddep.awk | 2 +- include/grub/mipsel/qemu-r4k/memory.h | 18 ++++++++++++++++++ kern/main.c | 16 ++++++++++++++++ kern/mipsel/cache.S | 2 +- kern/mipsel/qemu-r4k/init.c | 16 ++++++++++++++++ kern/misc.c | 2 +- kern/term.c | 14 +++++++++----- 8 files changed, 66 insertions(+), 12 deletions(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 6d8df9e4e..ad0219b06 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -2,7 +2,7 @@ # -*- makefile -*- COMMON_ASFLAGS = -nostdinc -COMMON_CFLAGS = +COMMON_CFLAGS = -mexplicit-relocs -mflush-func=grub_cpu_flush_cache COMMON_LDFLAGS += -nostdlib # Used by various components. These rules need to precede them. @@ -17,7 +17,7 @@ kernel_img_HEADERS = boot.h cache.h device.h disk.h dl.h elf.h elfload.h \ env.h err.h file.h fs.h kernel.h misc.h mm.h net.h parser.h reader.h \ symbol.h term.h time.h types.h loader.h partition.h \ msdos_partition.h machine/kernel.h handler.h list.h \ - command.h + command.h machine/memory.h cpu/libgcc.h cpu/cache.h symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h gensymlist.sh /bin/sh gensymlist.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1) @@ -99,8 +99,8 @@ kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -static-libgcc -lgcc \ -Wl,-N,-S,-Ttext,$(LINK_BASE),-Bstatic # Scripts. -sbin_SCRIPTS = grub-install -bin_SCRIPTS = grub-mkrescue +sbin_SCRIPTS = +bin_SCRIPTS = # Modules. pkglib_MODULES = memdisk.mod \ diff --git a/genmoddep.awk b/genmoddep.awk index f7f085e99..af967ec07 100644 --- a/genmoddep.awk +++ b/genmoddep.awk @@ -29,7 +29,7 @@ FNR == 1 { if ($1 in symtab) { modtab[module] = modtab[module] " " symtab[$1]; } - else { + else if ($1 != "__gnu_local_gp"){ printf "%s in %s is not defined\n", $1, module >"/dev/stderr"; error++; exit; diff --git a/include/grub/mipsel/qemu-r4k/memory.h b/include/grub/mipsel/qemu-r4k/memory.h index 6021bab04..21f295b67 100644 --- a/include/grub/mipsel/qemu-r4k/memory.h +++ b/include/grub/mipsel/qemu-r4k/memory.h @@ -27,9 +27,27 @@ #define GRUB_MACHINE_MEMORY_STACK_HIGH 0x81000000 +#define GRUB_MACHINE_MEMORY_AVAILABLE 1 + #ifndef ASM_FILE grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate) (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); +grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) + (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); + +static inline grub_err_t +grub_machine_mmap_register (grub_uint64_t start __attribute__ ((unused)), + grub_uint64_t size __attribute__ ((unused)), + int type __attribute__ ((unused)), + int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} +static inline grub_err_t +grub_machine_mmap_unregister (int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} #endif #endif diff --git a/kern/main.c b/kern/main.c index 9215d55e7..222897d7d 100644 --- a/kern/main.c +++ b/kern/main.c @@ -149,29 +149,45 @@ grub_load_normal_mode (void) void grub_main (void) { + *((grub_uint8_t *)0x140003f8) = '1'; + /* First of all, initialize the machine. */ grub_machine_init (); + *((grub_uint8_t *)0x140003f8) = '2'; + /* Hello. */ grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + *((grub_uint8_t *)0x140003f8) = 'a'; grub_printf ("Welcome to GRUB!\n\n"); + *((grub_uint8_t *)0x140003f8) = 'b'; grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + *((grub_uint8_t *)0x140003f8) = '3'; + /* Load pre-loaded modules and free the space. */ grub_register_exported_symbols (); grub_load_modules (); + *((grub_uint8_t *)0x140003f8) = '4'; + /* It is better to set the root device as soon as possible, for convenience. */ grub_machine_set_prefix (); grub_env_export ("prefix"); grub_set_root_dev (); + *((grub_uint8_t *)0x140003f8) = '5'; + grub_register_core_commands (); grub_register_rescue_parser (); grub_register_rescue_reader (); + *((grub_uint8_t *)0x140003f8) = '6'; + grub_load_config (); + *((grub_uint8_t *)0x140003f8) = '7'; grub_load_normal_mode (); + *((grub_uint8_t *)0x140003f8) = '8'; grub_reader_loop (0); } diff --git a/kern/mipsel/cache.S b/kern/mipsel/cache.S index 5341f07a2..f613f57f2 100644 --- a/kern/mipsel/cache.S +++ b/kern/mipsel/cache.S @@ -1,5 +1,5 @@ #include FUNCTION (grub_arch_sync_caches) -FUNCTION (_flush_cache) +FUNCTION (grub_cpu_flush_cache) j $31 diff --git a/kern/mipsel/qemu-r4k/init.c b/kern/mipsel/qemu-r4k/init.c index 0600a345f..c4aec14ff 100644 --- a/kern/mipsel/qemu-r4k/init.c +++ b/kern/mipsel/qemu-r4k/init.c @@ -4,9 +4,13 @@ #include #include #include +#include #include +#include #include +#define RAMSIZE (*(grub_uint32_t *) ((16 << 20) - 264)) + grub_uint32_t grub_get_rtc (void) { @@ -17,6 +21,8 @@ grub_get_rtc (void) void grub_machine_init (void) { + grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_STACK_HIGH, + RAMSIZE - GRUB_MACHINE_MEMORY_STACK_HIGH); } void @@ -56,3 +62,13 @@ grub_arch_modules_addr (void) { return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); } + +grub_err_t +grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, + grub_uint64_t, + grub_uint32_t)) +{ + hook (0, RAMSIZE, + GRUB_MACHINE_MEMORY_AVAILABLE); + return GRUB_ERR_NONE; +} diff --git a/kern/misc.c b/kern/misc.c index 1c38fe661..ba19705f3 100644 --- a/kern/misc.c +++ b/kern/misc.c @@ -598,7 +598,7 @@ grub_vsprintf (char *str, const char *fmt, va_list args) if (str) *str++ = ch; else - grub_putchar (ch); + grub_putchar (ch); count++; } diff --git a/kern/term.c b/kern/term.c index 94d5a9e1d..22660c6a8 100644 --- a/kern/term.c +++ b/kern/term.c @@ -48,8 +48,9 @@ struct grub_handler_class grub_term_output_class = void grub_putcode (grub_uint32_t code) { - int height = grub_getwh () & 255; + // int height = grub_getwh () & 255; +#if 0 if (code == '\t' && grub_cur_term_output->getxy) { int n; @@ -60,13 +61,15 @@ grub_putcode (grub_uint32_t code) return; } +#endif - (grub_cur_term_output->putchar) (code); + // (grub_cur_term_output->putchar) (code); + *((grub_uint8_t *)0x140003f8) = code; if (code == '\n') { grub_putcode ('\r'); - +#if 0 grub_more_lines++; if (grub_more && grub_more_lines == height - 1) @@ -93,6 +96,7 @@ grub_putcode (grub_uint32_t code) else grub_more_lines = 0; } +#endif } } @@ -182,14 +186,14 @@ grub_cls (void) void grub_setcolorstate (grub_term_color_state state) { - if (grub_cur_term_output->setcolorstate) + if (grub_cur_term_output && grub_cur_term_output->setcolorstate) (grub_cur_term_output->setcolorstate) (state); } void grub_setcolor (grub_uint8_t normal_color, grub_uint8_t highlight_color) { - if (grub_cur_term_output->setcolor) + if (grub_cur_term_output && grub_cur_term_output->setcolor) (grub_cur_term_output->setcolor) (normal_color, highlight_color); } From 7dc7e76a56d730f45c8d9e70d44e21e501fe0bb3 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 13:50:10 +0200 Subject: [PATCH 010/128] cleanup and bugfix --- kern/main.c | 16 ---------------- kern/mipsel/qemu-r4k/init.c | 5 ++++- kern/misc.c | 2 +- 3 files changed, 5 insertions(+), 18 deletions(-) diff --git a/kern/main.c b/kern/main.c index 222897d7d..9215d55e7 100644 --- a/kern/main.c +++ b/kern/main.c @@ -149,45 +149,29 @@ grub_load_normal_mode (void) void grub_main (void) { - *((grub_uint8_t *)0x140003f8) = '1'; - /* First of all, initialize the machine. */ grub_machine_init (); - *((grub_uint8_t *)0x140003f8) = '2'; - /* Hello. */ grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); - *((grub_uint8_t *)0x140003f8) = 'a'; grub_printf ("Welcome to GRUB!\n\n"); - *((grub_uint8_t *)0x140003f8) = 'b'; grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); - *((grub_uint8_t *)0x140003f8) = '3'; - /* Load pre-loaded modules and free the space. */ grub_register_exported_symbols (); grub_load_modules (); - *((grub_uint8_t *)0x140003f8) = '4'; - /* It is better to set the root device as soon as possible, for convenience. */ grub_machine_set_prefix (); grub_env_export ("prefix"); grub_set_root_dev (); - *((grub_uint8_t *)0x140003f8) = '5'; - grub_register_core_commands (); grub_register_rescue_parser (); grub_register_rescue_reader (); - *((grub_uint8_t *)0x140003f8) = '6'; - grub_load_config (); - *((grub_uint8_t *)0x140003f8) = '7'; grub_load_normal_mode (); - *((grub_uint8_t *)0x140003f8) = '8'; grub_reader_loop (0); } diff --git a/kern/mipsel/qemu-r4k/init.c b/kern/mipsel/qemu-r4k/init.c index c4aec14ff..269e8b6e6 100644 --- a/kern/mipsel/qemu-r4k/init.c +++ b/kern/mipsel/qemu-r4k/init.c @@ -21,8 +21,11 @@ grub_get_rtc (void) void grub_machine_init (void) { + void *tst; grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_STACK_HIGH, - RAMSIZE - GRUB_MACHINE_MEMORY_STACK_HIGH); + RAMSIZE - (GRUB_MACHINE_MEMORY_STACK_HIGH & 0x7fffffff)); + tst = grub_malloc (10); + grub_free (tst); } void diff --git a/kern/misc.c b/kern/misc.c index ba19705f3..1c38fe661 100644 --- a/kern/misc.c +++ b/kern/misc.c @@ -598,7 +598,7 @@ grub_vsprintf (char *str, const char *fmt, va_list args) if (str) *str++ = ch; else - grub_putchar (ch); + grub_putchar (ch); count++; } From 33dc6f74d2f5d8d0a38f3c96f883c30e2f5b2aa5 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 14:19:50 +0200 Subject: [PATCH 011/128] bugfixes. Merge MIPS and MIPSel --- conf/mips.rmk | 2 +- configure.ac | 3 +++ include/grub/mips/cache.h | 27 +++++++++++++++++++ include/grub/{mipsel => mips}/kernel.h | 0 include/grub/mips/libgcc.h | 26 ++++++++++++++++++ .../grub/{mipsel => mips}/qemu-r4k/kernel.h | 0 .../grub/{mipsel => mips}/qemu-r4k/machine.h | 0 .../grub/{mipsel => mips}/qemu-r4k/memory.h | 0 include/grub/{mipsel => mips}/qemu-r4k/time.h | 0 include/grub/{mipsel => mips}/time.h | 0 include/grub/{mipsel => mips}/types.h | 7 +++++ kern/{mipsel => mips}/cache.S | 0 kern/{mipsel => mips}/dl.c | 6 +++++ kern/{mipsel => mips}/qemu-r4k/init.c | 0 kern/{mipsel => mips}/qemu-r4k/startup.S | 0 kern/term.c | 11 +++++--- lib/mipsel/setjmp.S | 0 17 files changed, 77 insertions(+), 5 deletions(-) create mode 100644 include/grub/mips/cache.h rename include/grub/{mipsel => mips}/kernel.h (100%) create mode 100644 include/grub/mips/libgcc.h rename include/grub/{mipsel => mips}/qemu-r4k/kernel.h (100%) rename include/grub/{mipsel => mips}/qemu-r4k/machine.h (100%) rename include/grub/{mipsel => mips}/qemu-r4k/memory.h (100%) rename include/grub/{mipsel => mips}/qemu-r4k/time.h (100%) rename include/grub/{mipsel => mips}/time.h (100%) rename include/grub/{mipsel => mips}/types.h (84%) rename kern/{mipsel => mips}/cache.S (100%) rename kern/{mipsel => mips}/dl.c (95%) rename kern/{mipsel => mips}/qemu-r4k/init.c (100%) rename kern/{mipsel => mips}/qemu-r4k/startup.S (100%) delete mode 100644 lib/mipsel/setjmp.S diff --git a/conf/mips.rmk b/conf/mips.rmk index ad0219b06..b0a078197 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -84,7 +84,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ grub_emu_LDFLAGS = $(LIBCURSES) -kernel_img_SOURCES = kern/mipsel/qemu-r4k/startup.S \ +kernel_img_SOURCES = kern/mips/qemu-r4k/startup.S \ kern/main.c kern/device.c kern/$(target_cpu)/$(target_machine)/init.c \ kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ kern/misc.c kern/mm.c kern/reader.c kern/term.c \ diff --git a/configure.ac b/configure.ac index 74dcc5dd4..fa85c29b4 100644 --- a/configure.ac +++ b/configure.ac @@ -90,12 +90,15 @@ case "$target_cpu"-"$platform" in powerpc-ieee1275) ;; sparc64-ieee1275) ;; mipsel-qemu-r4k) ;; + mips-qemu-r4k) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; esac case "$target_cpu" in i386 | powerpc) target_m32=1 ;; x86_64 | sparc64) target_m64=1 ;; + mipsel) TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPSEL=1"; target_cpu=mips ;; + mips) TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPS=1" ;; esac case "$host_os" in diff --git a/include/grub/mips/cache.h b/include/grub/mips/cache.h new file mode 100644 index 000000000..c3470571e --- /dev/null +++ b/include/grub/mips/cache.h @@ -0,0 +1,27 @@ +/* cache.h - Flush the processor's cache. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2004,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_CPU_CACHE_H +#define GRUB_CPU_CACHE_H 1 + +#include +#include + +void EXPORT_FUNC(grub_cpu_flush_cache) (void *start, grub_size_t size, int type); +#endif diff --git a/include/grub/mipsel/kernel.h b/include/grub/mips/kernel.h similarity index 100% rename from include/grub/mipsel/kernel.h rename to include/grub/mips/kernel.h diff --git a/include/grub/mips/libgcc.h b/include/grub/mips/libgcc.h new file mode 100644 index 000000000..a65842522 --- /dev/null +++ b/include/grub/mips/libgcc.h @@ -0,0 +1,26 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2004,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +void *EXPORT_FUNC (memset) (void *s, int c, int n) __attribute__ ((weak)); +void EXPORT_FUNC (__ashldi3) (void) __attribute__ ((weak)); +void EXPORT_FUNC (__ashrdi3) (void) __attribute__ ((weak)); +void EXPORT_FUNC (__lshrdi3) (void) __attribute__ ((weak)); +void EXPORT_FUNC (__trampoline_setup) (void) __attribute__ ((weak)); +void EXPORT_FUNC (__ucmpdi2) (void) __attribute__ ((weak)); +void EXPORT_FUNC (__bswapsi2) (void) __attribute__ ((weak)); +void EXPORT_FUNC (__bswapdi2) (void) __attribute__ ((weak)); diff --git a/include/grub/mipsel/qemu-r4k/kernel.h b/include/grub/mips/qemu-r4k/kernel.h similarity index 100% rename from include/grub/mipsel/qemu-r4k/kernel.h rename to include/grub/mips/qemu-r4k/kernel.h diff --git a/include/grub/mipsel/qemu-r4k/machine.h b/include/grub/mips/qemu-r4k/machine.h similarity index 100% rename from include/grub/mipsel/qemu-r4k/machine.h rename to include/grub/mips/qemu-r4k/machine.h diff --git a/include/grub/mipsel/qemu-r4k/memory.h b/include/grub/mips/qemu-r4k/memory.h similarity index 100% rename from include/grub/mipsel/qemu-r4k/memory.h rename to include/grub/mips/qemu-r4k/memory.h diff --git a/include/grub/mipsel/qemu-r4k/time.h b/include/grub/mips/qemu-r4k/time.h similarity index 100% rename from include/grub/mipsel/qemu-r4k/time.h rename to include/grub/mips/qemu-r4k/time.h diff --git a/include/grub/mipsel/time.h b/include/grub/mips/time.h similarity index 100% rename from include/grub/mipsel/time.h rename to include/grub/mips/time.h diff --git a/include/grub/mipsel/types.h b/include/grub/mips/types.h similarity index 84% rename from include/grub/mipsel/types.h rename to include/grub/mips/types.h index 94a35be6e..f5f4602e4 100644 --- a/include/grub/mipsel/types.h +++ b/include/grub/mips/types.h @@ -25,7 +25,14 @@ /* The size of long. */ #define GRUB_TARGET_SIZEOF_LONG 4 +#ifdef GRUB_CPU_MIPSEL /* mipsEL is little-endian. */ #undef GRUB_TARGET_WORDS_BIGENDIAN +#elif defined (GRUB_CPU_MIPS) +/* mips is big-endian. */ +#define GRUB_TARGET_WORDS_BIGENDIAN +#else +#error Neither GRUB_CPU_MIPS nor GRUB_CPU_MIPSEL is defined +#endif #endif /* ! GRUB_TYPES_CPU_HEADER */ diff --git a/kern/mipsel/cache.S b/kern/mips/cache.S similarity index 100% rename from kern/mipsel/cache.S rename to kern/mips/cache.S diff --git a/kern/mipsel/dl.c b/kern/mips/dl.c similarity index 95% rename from kern/mipsel/dl.c rename to kern/mips/dl.c index 57854964b..ca93893d2 100644 --- a/kern/mipsel/dl.c +++ b/kern/mips/dl.c @@ -92,6 +92,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) switch (ELF_R_TYPE (rel->r_info)) { +#if 0 case R_386_32: *addr += sym->st_value; break; @@ -100,6 +101,11 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) *addr += (sym->st_value - (Elf_Word) seg->addr - rel->r_offset); break; +#endif + default: + grub_printf ("Unknown relocation type %d\n", + ELF_R_TYPE (rel->r_info)); + break } } } diff --git a/kern/mipsel/qemu-r4k/init.c b/kern/mips/qemu-r4k/init.c similarity index 100% rename from kern/mipsel/qemu-r4k/init.c rename to kern/mips/qemu-r4k/init.c diff --git a/kern/mipsel/qemu-r4k/startup.S b/kern/mips/qemu-r4k/startup.S similarity index 100% rename from kern/mipsel/qemu-r4k/startup.S rename to kern/mips/qemu-r4k/startup.S diff --git a/kern/term.c b/kern/term.c index 22660c6a8..0a99ff318 100644 --- a/kern/term.c +++ b/kern/term.c @@ -135,21 +135,24 @@ grub_getcharwidth (grub_uint32_t code) int grub_getkey (void) { - return (grub_cur_term_input->getkey) (); + while (!(*((grub_uint8_t *)0x140003f8+5) & 0x01)); + return *((grub_uint8_t *)0x140003f8); + // return (grub_cur_term_input->getkey) (); } int grub_checkkey (void) { - return (grub_cur_term_input->checkkey) (); + return !!(*((grub_uint8_t *)0x140003f8+5) & 0x01); + //return (grub_cur_term_input->checkkey) (); } int grub_getkeystatus (void) { - if (grub_cur_term_input->getkeystatus) + /* if (grub_cur_term_input->getkeystatus) return (grub_cur_term_input->getkeystatus) (); - else + else*/ return 0; } diff --git a/lib/mipsel/setjmp.S b/lib/mipsel/setjmp.S deleted file mode 100644 index e69de29bb..000000000 From c7f26cf640f5231b30f62d1c50e0b5e91c8492b9 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 14:20:33 +0200 Subject: [PATCH 012/128] missing file --- lib/mips/setjmp.S | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 lib/mips/setjmp.S diff --git a/lib/mips/setjmp.S b/lib/mips/setjmp.S new file mode 100644 index 000000000..e69de29bb From e8b458be456d537500d8d7b0641509f31a70bb74 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 14:27:28 +0200 Subject: [PATCH 013/128] fixes --- conf/{mipsel-qemu-r4k.rmk => mips-qemu-r4k.rmk} | 0 configure.ac | 10 ++++++++-- kern/mips/dl.c | 2 +- 3 files changed, 9 insertions(+), 3 deletions(-) rename conf/{mipsel-qemu-r4k.rmk => mips-qemu-r4k.rmk} (100%) diff --git a/conf/mipsel-qemu-r4k.rmk b/conf/mips-qemu-r4k.rmk similarity index 100% rename from conf/mipsel-qemu-r4k.rmk rename to conf/mips-qemu-r4k.rmk diff --git a/configure.ac b/configure.ac index fa85c29b4..97486e421 100644 --- a/configure.ac +++ b/configure.ac @@ -97,8 +97,14 @@ esac case "$target_cpu" in i386 | powerpc) target_m32=1 ;; x86_64 | sparc64) target_m64=1 ;; - mipsel) TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPSEL=1"; target_cpu=mips ;; - mips) TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPS=1" ;; + mipsel) + TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPSEL=1"; + CFLAGS="$CFLAGS -DGRUB_CPU_MIPSEL=1"; + target_cpu=mips ;; + mips) + TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPS=1"; + CFLAGS="$CFLAGS -DGRUB_CPU_MIPS=1"; + target_cpu=mips ;; esac case "$host_os" in diff --git a/kern/mips/dl.c b/kern/mips/dl.c index ca93893d2..504bb2ef5 100644 --- a/kern/mips/dl.c +++ b/kern/mips/dl.c @@ -105,7 +105,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) default: grub_printf ("Unknown relocation type %d\n", ELF_R_TYPE (rel->r_info)); - break + break; } } } From 6315da883109d22dcabd3493d9cad38547d780db Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 14:54:18 +0200 Subject: [PATCH 014/128] fake __gnu_local_gp --- conf/mips.rmk | 2 +- genmoddep.awk | 2 +- kern/mips/dl.c | 9 ++++++++- 3 files changed, 10 insertions(+), 3 deletions(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index b0a078197..77eaa06cf 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -17,7 +17,7 @@ kernel_img_HEADERS = boot.h cache.h device.h disk.h dl.h elf.h elfload.h \ env.h err.h file.h fs.h kernel.h misc.h mm.h net.h parser.h reader.h \ symbol.h term.h time.h types.h loader.h partition.h \ msdos_partition.h machine/kernel.h handler.h list.h \ - command.h machine/memory.h cpu/libgcc.h cpu/cache.h + command.h machine/memory.h cpu/libgcc.h cpu/cache.h cpu/dl.h symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h gensymlist.sh /bin/sh gensymlist.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1) diff --git a/genmoddep.awk b/genmoddep.awk index af967ec07..f7f085e99 100644 --- a/genmoddep.awk +++ b/genmoddep.awk @@ -29,7 +29,7 @@ FNR == 1 { if ($1 in symtab) { modtab[module] = modtab[module] " " symtab[$1]; } - else if ($1 != "__gnu_local_gp"){ + else { printf "%s in %s is not defined\n", $1, module >"/dev/stderr"; error++; exit; diff --git a/kern/mips/dl.c b/kern/mips/dl.c index 504bb2ef5..f8b11a3eb 100644 --- a/kern/mips/dl.c +++ b/kern/mips/dl.c @@ -21,6 +21,7 @@ #include #include #include +#include /* Check if EHDR is a valid ELF header. */ grub_err_t @@ -29,9 +30,15 @@ grub_arch_dl_check_header (void *ehdr) Elf_Ehdr *e = ehdr; /* Check the magic numbers. */ +#ifdef WORDS_BIGENDIAN + if (e->e_ident[EI_CLASS] != ELFCLASS32 + || e->e_ident[EI_DATA] != ELFDATA2MSB + || e->e_machine != EM_MIPS) +#else if (e->e_ident[EI_CLASS] != ELFCLASS32 || e->e_ident[EI_DATA] != ELFDATA2LSB - || e->e_machine != EM_386) + || e->e_machine != EM_MIPS) +#endif return grub_error (GRUB_ERR_BAD_OS, "invalid arch specific ELF magic"); return GRUB_ERR_NONE; From 3f9f11b6d2e3ba8d6fac72223ba44c070c86908d Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 20:52:15 +0200 Subject: [PATCH 015/128] time & reloc --- kern/disk.c | 3 ++ kern/mips/dl.c | 103 +++++++++++++++++++++++++++++++++++--- kern/mips/qemu-r4k/init.c | 3 +- 3 files changed, 99 insertions(+), 10 deletions(-) diff --git a/kern/disk.c b/kern/disk.c index e463626fb..7fbe2e6a6 100644 --- a/kern/disk.c +++ b/kern/disk.c @@ -267,12 +267,15 @@ grub_disk_open (const char *name) for (dev = grub_disk_dev_list; dev; dev = dev->next) { + grub_printf ("open: %p\n", dev->open); + grub_getkey (); if ((dev->open) (raw, disk) == GRUB_ERR_NONE) break; else if (grub_errno == GRUB_ERR_UNKNOWN_DEVICE) grub_errno = GRUB_ERR_NONE; else goto fail; + grub_printf ("survived\n"); } if (! dev) diff --git a/kern/mips/dl.c b/kern/mips/dl.c index f8b11a3eb..83af37b75 100644 --- a/kern/mips/dl.c +++ b/kern/mips/dl.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include /* Check if EHDR is a valid ELF header. */ grub_err_t @@ -52,6 +54,9 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) Elf_Shdr *s; Elf_Word entsize; unsigned i; + grub_size_t gp_size = 0; + /* FIXME: suboptimal. */ + grub_uint32_t *gp, *gpptr; /* Find a symbol table. */ for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); @@ -65,6 +70,45 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) entsize = s->sh_entsize; + for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); + i < e->e_shnum; + i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) + if (s->sh_type == SHT_REL) + { + grub_dl_segment_t seg; + + /* Find the target segment. */ + for (seg = mod->segment; seg; seg = seg->next) + if (seg->section == s->sh_info) + break; + + if (seg) + { + Elf_Rel *rel, *max; + + for (rel = (Elf_Rel *) ((char *) e + s->sh_offset), + max = rel + s->sh_size / s->sh_entsize; + rel < max; + rel++) + switch (ELF_R_TYPE (rel->r_info)) + { + case R_MIPS_GOT16: + case R_MIPS_CALL16: + case R_MIPS_GPREL32: + gp_size += 4; + break; + } + } + } + + if (gp_size > 0x08000) + return grub_error (GRUB_ERR_OUT_OF_RANGE, "__gnu_local_gp is too big\n"); + + gpptr = gp = grub_malloc (gp_size); + if (!gp) + return grub_errno; + grub_printf ("gp=%p\n", gp); + for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); i < e->e_shnum; i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) @@ -96,19 +140,62 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) addr = (Elf_Word *) ((char *) seg->addr + rel->r_offset); sym = (Elf_Sym *) ((char *) mod->symtab + entsize * ELF_R_SYM (rel->r_info)); + if (sym->st_value == (grub_addr_t) &__gnu_local_gp) + sym->st_value = (grub_addr_t) gp; switch (ELF_R_TYPE (rel->r_info)) { -#if 0 - case R_386_32: - *addr += sym->st_value; + case R_MIPS_HI16: + { + grub_uint32_t value; + + /* Handle partner lo16 relocation. Lower part is + treated as signed. Hence add 0x8000 to compensate. + */ + value = (*(grub_uint16_t *) addr << 16) + + sym->st_value + 0x8000; + if (rel + 1 < max && ELF_R_SYM (rel[1].r_info) + == ELF_R_SYM (rel[0].r_info) + && ELF_R_TYPE (rel[1].r_info) == R_MIPS_LO16) + value += *(grub_uint16_t *) + ((char *) seg->addr + rel[1].r_offset); + *(grub_uint16_t *) addr += (value >> 16) & 0xffff; + } break; - - case R_386_PC32: - *addr += (sym->st_value - (Elf_Word) seg->addr - - rel->r_offset); + case R_MIPS_LO16: + *(grub_uint16_t *) addr += (sym->st_value) & 0xffff; + break; + case R_MIPS_32: + *(grub_uint32_t *) addr = sym->st_value; + break; + case R_MIPS_26: + { + grub_uint32_t value; + grub_uint32_t raw; + raw = (*(grub_uint32_t *) addr) & 0x3ffffff; + value = raw << 2; + value += sym->st_value; + raw = (value >> 2) & 0x3ffffff; + + *(grub_uint32_t *) addr = + raw | ((*(grub_uint32_t *) addr) & 0xfc000000); + } + break; + case R_MIPS_GOT16: + case R_MIPS_CALL16: + /* FIXME: reuse*/ + *gpptr = sym->st_value + *(grub_uint16_t *) addr; + *(grub_uint16_t *) addr + = sizeof (grub_uint32_t) * (gpptr - gp); + gpptr++; + break; + case R_MIPS_GPREL32: + grub_printf ("gp32\n"); + *gpptr = sym->st_value + *(grub_uint16_t *) addr; + *(grub_uint32_t *) addr + = sizeof (grub_uint32_t) * (gpptr - gp); + gpptr++; break; -#endif default: grub_printf ("Unknown relocation type %d\n", ELF_R_TYPE (rel->r_info)); diff --git a/kern/mips/qemu-r4k/init.c b/kern/mips/qemu-r4k/init.c index 269e8b6e6..f7d304313 100644 --- a/kern/mips/qemu-r4k/init.c +++ b/kern/mips/qemu-r4k/init.c @@ -24,8 +24,7 @@ grub_machine_init (void) void *tst; grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_STACK_HIGH, RAMSIZE - (GRUB_MACHINE_MEMORY_STACK_HIGH & 0x7fffffff)); - tst = grub_malloc (10); - grub_free (tst); + grub_install_get_time_ms (grub_rtc_get_time_ms); } void From f651d13a18ba734b2fa9cf4164217c826f52bf23 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 20:59:18 +0200 Subject: [PATCH 016/128] split serial --- conf/i386-coreboot.rmk | 2 +- conf/i386-ieee1275.rmk | 2 +- conf/i386-pc.rmk | 2 +- include/grub/i386/io.h | 2 ++ include/grub/{i386/pc => }/serial.h | 4 ++-- term/{i386/pc => }/serial.c | 8 ++++---- 6 files changed, 11 insertions(+), 9 deletions(-) rename include/grub/{i386/pc => }/serial.h (96%) rename term/{i386/pc => }/serial.c (98%) diff --git a/conf/i386-coreboot.rmk b/conf/i386-coreboot.rmk index 09ec7787c..59a9ed607 100644 --- a/conf/i386-coreboot.rmk +++ b/conf/i386-coreboot.rmk @@ -187,7 +187,7 @@ halt_mod_CFLAGS = $(COMMON_CFLAGS) halt_mod_LDFLAGS = $(COMMON_LDFLAGS) # For serial.mod. -serial_mod_SOURCES = term/i386/pc/serial.c +serial_mod_SOURCES = term/serial.c serial_mod_CFLAGS = $(COMMON_CFLAGS) serial_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/i386-ieee1275.rmk b/conf/i386-ieee1275.rmk index 4b640de49..48c3ce9d9 100644 --- a/conf/i386-ieee1275.rmk +++ b/conf/i386-ieee1275.rmk @@ -156,7 +156,7 @@ halt_mod_CFLAGS = $(COMMON_CFLAGS) halt_mod_LDFLAGS = $(COMMON_LDFLAGS) # For serial.mod. -serial_mod_SOURCES = term/i386/pc/serial.c +serial_mod_SOURCES = term/serial.c serial_mod_CFLAGS = $(COMMON_CFLAGS) serial_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk index bf8fbfb9d..c4a4e7754 100644 --- a/conf/i386-pc.rmk +++ b/conf/i386-pc.rmk @@ -260,7 +260,7 @@ halt_mod_CFLAGS = $(COMMON_CFLAGS) halt_mod_LDFLAGS = $(COMMON_LDFLAGS) # For serial.mod. -serial_mod_SOURCES = term/i386/pc/serial.c +serial_mod_SOURCES = term/serial.c serial_mod_CFLAGS = $(COMMON_CFLAGS) serial_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/include/grub/i386/io.h b/include/grub/i386/io.h index 0e567766b..ae12a3e3d 100644 --- a/include/grub/i386/io.h +++ b/include/grub/i386/io.h @@ -21,6 +21,8 @@ #ifndef GRUB_IO_H #define GRUB_IO_H 1 +typedef unsigned short int grub_port_t; + static __inline unsigned char grub_inb (unsigned short int port) { diff --git a/include/grub/i386/pc/serial.h b/include/grub/serial.h similarity index 96% rename from include/grub/i386/pc/serial.h rename to include/grub/serial.h index 0632ff79d..1c35b4093 100644 --- a/include/grub/i386/pc/serial.h +++ b/include/grub/serial.h @@ -17,8 +17,8 @@ * along with GRUB. If not, see . */ -#ifndef GRUB_SERIAL_MACHINE_HEADER -#define GRUB_SERIAL_MACHINE_HEADER 1 +#ifndef GRUB_SERIAL_HEADER +#define GRUB_SERIAL_HEADER 1 /* Macros. */ diff --git a/term/i386/pc/serial.c b/term/serial.c similarity index 98% rename from term/i386/pc/serial.c rename to term/serial.c index 1d74dbbc8..eac43bf1b 100644 --- a/term/i386/pc/serial.c +++ b/term/serial.c @@ -54,7 +54,7 @@ static const struct grub_arg_option options[] = /* Serial port settings. */ struct serial_port { - unsigned short port; + grub_port_t port; unsigned short divisor; unsigned short word_len; unsigned int parity; @@ -68,12 +68,12 @@ static struct serial_port serial_settings; static const unsigned short *serial_hw_io_addr = (const unsigned short *) GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR; #define GRUB_SERIAL_PORT_NUM 4 #else -static const unsigned short serial_hw_io_addr[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; +static const grub_port_t serial_hw_io_addr[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; #define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) #endif /* Return the port number for the UNITth serial device. */ -static inline unsigned short +static inline grub_port_t serial_hw_get_port (const unsigned int unit) { if (unit < GRUB_SERIAL_PORT_NUM) @@ -503,7 +503,7 @@ grub_cmd_serial (grub_extcmd_t cmd, } if (state[1].set) - serial_settings.port = (unsigned short) grub_strtoul (state[1].arg, 0, 0); + serial_settings.port = (grub_port_t) grub_strtoul (state[1].arg, 0, 0); if (state[2].set) { From 65e64ea4b15c88c53f31d6d3e22a912ff7001174 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 10 Oct 2009 21:23:51 +0200 Subject: [PATCH 017/128] mkimage fix --- util/elf/grub-mkimage.c | 42 ++++++++++++++++++++++++++++++++++++----- 1 file changed, 37 insertions(+), 5 deletions(-) diff --git a/util/elf/grub-mkimage.c b/util/elf/grub-mkimage.c index 535427208..ea5a1f64e 100644 --- a/util/elf/grub-mkimage.c +++ b/util/elf/grub-mkimage.c @@ -97,7 +97,7 @@ load_note (Elf32_Phdr *phdr, FILE *out) void load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir, - char *mods[], FILE *out, char *memdisk_path) + char *mods[], FILE *out, char *memdisk_path, char *config_path) { char *module_img; struct grub_util_path_list *path_list; @@ -106,6 +106,7 @@ load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir, size_t offset; size_t total_module_size; size_t memdisk_size = 0; + size_t config_size = 0; path_list = grub_util_resolve_dependencies (dir, "moddep.lst", mods); @@ -119,6 +120,13 @@ load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir, total_module_size += memdisk_size + sizeof (struct grub_module_header); } + if (config_path) + { + config_size = ALIGN_UP(grub_util_get_image_size (config_path), 512); + grub_util_info ("the size of memory disk is 0x%x", config_size); + total_module_size += config_size + sizeof (struct grub_module_header); + } + for (p = path_list; p; p = p->next) { total_module_size += (grub_util_get_image_size (p->name) @@ -165,6 +173,19 @@ load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir, offset += memdisk_size; } + if (config_path) + { + struct grub_module_header *header; + + header = (struct grub_module_header *) (module_img + offset); + header->type = OBJ_TYPE_CONFIG; + header->size = grub_host_to_target32 (config_size + sizeof (*header)); + offset += sizeof (*header); + + grub_util_load_image (config_path, module_img + offset); + offset += config_size; + } + /* Write the module data to the new segment. */ grub_util_write_image_at (module_img, total_module_size, @@ -181,7 +202,7 @@ load_modules (grub_addr_t modbase, Elf32_Phdr *phdr, const char *dir, } void -add_segments (char *dir, char *prefix, FILE *out, int chrp, char *mods[], char *memdisk_path) +add_segments (char *dir, char *prefix, FILE *out, int chrp, char *mods[], char *memdisk_path, char *config_path) { Elf32_Ehdr ehdr; Elf32_Phdr *phdrs = NULL; @@ -270,7 +291,7 @@ add_segments (char *dir, char *prefix, FILE *out, int chrp, char *mods[], char * phdr->p_offset = grub_host_to_target32 (ALIGN_UP (grub_util_get_fp_size (out), GRUB_TARGET_SIZEOF_LONG)); - load_modules (modbase, phdr, dir, mods, out, memdisk_path); + load_modules (modbase, phdr, dir, mods, out, memdisk_path, config_path); } if (chrp) @@ -313,6 +334,7 @@ static struct option options[] = {"directory", required_argument, 0, 'd'}, {"prefix", required_argument, 0, 'p'}, {"memdisk", required_argument, 0, 'm'}, + {"config", required_argument, 0, 'c'}, {"output", required_argument, 0, 'o'}, {"help", no_argument, 0, 'h'}, {"note", no_argument, 0, 'n'}, @@ -335,6 +357,7 @@ Make a bootable image of GRUB.\n\ -d, --directory=DIR use images and modules under DIR [default=%s]\n\ -p, --prefix=DIR set grub_prefix directory\n\ -m, --memdisk=FILE embed FILE as a memdisk image\n\ + -c, --config=FILE embed FILE as boot config\n\ -o, --output=FILE output a generated image to FILE\n\ -h, --help display this message and exit\n\ -n, --note add NOTE segment for CHRP Open Firmware\n\ @@ -355,13 +378,14 @@ main (int argc, char *argv[]) char *dir = NULL; char *prefix = NULL; char *memdisk = NULL; + char *config = NULL; int chrp = 0; progname = "grub-mkimage"; while (1) { - int c = getopt_long (argc, argv, "d:p:m:o:hVvn", options, 0); + int c = getopt_long (argc, argv, "d:p:m:c:o:hVvn", options, 0); if (c == -1) break; @@ -387,6 +411,13 @@ main (int argc, char *argv[]) prefix = xstrdup ("(memdisk)/boot/grub"); break; + case 'c': + if (config) + free (config); + config = xstrdup (optarg); + + break; + case 'h': usage (0); break; @@ -417,7 +448,8 @@ main (int argc, char *argv[]) if (! fp) grub_util_error ("cannot open %s", output); - add_segments (dir ? : GRUB_LIBDIR, prefix, fp, chrp, argv + optind, memdisk); + add_segments (dir ? : GRUB_LIBDIR, prefix, fp, chrp, argv + optind, memdisk, + config); fclose (fp); From ffa9860a862294ddb821f4bcc74914771e1fa5ab Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 11 Oct 2009 02:07:52 +0200 Subject: [PATCH 018/128] various fixes --- conf/mips.rmk | 8 ++++- fs/cpio.c | 9 ++++-- genmk.rb | 2 ++ include/grub/mips/dl.h | 25 ++++++++++++++++ include/grub/mips/io.h | 62 +++++++++++++++++++++++++++++++++++++++ kern/disk.c | 3 -- kern/mips/dl.c | 36 ++++++++++++++++------- kern/mips/qemu-r4k/init.c | 1 + kern/term.c | 58 ++++++++++++++++++++++++------------ term/serial.c | 12 ++++++-- 10 files changed, 177 insertions(+), 39 deletions(-) create mode 100644 include/grub/mips/dl.h create mode 100644 include/grub/mips/io.h diff --git a/conf/mips.rmk b/conf/mips.rmk index 77eaa06cf..d03b5d8f5 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -91,7 +91,7 @@ kernel_img_SOURCES = kern/mips/qemu-r4k/startup.S \ kern/rescue_parser.c kern/rescue_reader.c \ kern/list.c kern/handler.c kern/command.c kern/corecmd.c \ kern/parser.c kern/partition.c kern/env.c kern/$(target_cpu)/dl.c \ - kern/generic/millisleep.c kern/time.c \ + kern/generic/millisleep.c kern/generic/rtc_get_time_ms.c kern/time.c \ symlist.c kern/$(target_cpu)/cache.S kernel_img_CFLAGS = $(COMMON_CFLAGS) kernel_img_ASFLAGS = $(COMMON_ASFLAGS) @@ -122,4 +122,10 @@ lsmmap_mod_SOURCES = commands/lsmmap.c lsmmap_mod_CFLAGS = $(COMMON_CFLAGS) lsmmap_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For serial.mod. +pkglib_MODULES += serial.mod +serial_mod_SOURCES = term/serial.c +serial_mod_CFLAGS = $(COMMON_CFLAGS) +serial_mod_LDFLAGS = $(COMMON_LDFLAGS) + include $(srcdir)/conf/common.mk diff --git a/fs/cpio.c b/fs/cpio.c index 1ec4ebeaf..26218c310 100644 --- a/fs/cpio.c +++ b/fs/cpio.c @@ -280,8 +280,10 @@ grub_cpio_open (grub_file_t file, const char *name) /* Compare NAME and FN by hand in order to cope with duplicate slashes. */ - i = 1; + i = 0; j = 0; + while (name[i] == '/') + i++; while (1) { if (name[i] != fn[j]) @@ -290,13 +292,16 @@ grub_cpio_open (grub_file_t file, const char *name) if (name[i] == '\0') break; - if (name[i] == '/' && name[i+1] == '/') + while (name[i] == '/' && name[i+1] == '/') i++; i++; j++; } + if (name[i] != fn[j]) + goto no_match; + file->data = data; file->size = data->size; grub_free (fn); diff --git a/genmk.rb b/genmk.rb index 50bf88fe1..71b57816f 100644 --- a/genmk.rb +++ b/genmk.rb @@ -319,6 +319,7 @@ MOSTLYCLEANFILES += #{deps_str} #{@name}: $(#{prefix}_DEPENDENCIES) #{objs_str} $(TARGET_CC) -o $@ #{objs_str} $(TARGET_LDFLAGS) $(#{prefix}_LDFLAGS) + $(STRIP) -R .rel.dyn -R .reginfo -R .note -R .comment $@ " + objs.collect_with_index do |obj, i| src = sources[i] @@ -330,6 +331,7 @@ MOSTLYCLEANFILES += #{deps_str} "#{obj}: #{src} $(#{src}_DEPENDENCIES) $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) #{extra_flags} $(TARGET_#{flag}) $(#{prefix}_#{flag}) -MD -c -o $@ $< + -include #{dep} " diff --git a/include/grub/mips/dl.h b/include/grub/mips/dl.h new file mode 100644 index 000000000..4dbd97ca9 --- /dev/null +++ b/include/grub/mips/dl.h @@ -0,0 +1,25 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_CPU_DL_H +#define GRUB_CPU_DL_H 1 + +/* Dummy __gnu_local_gp. Resolved by linker. */ +char EXPORT_VAR (__gnu_local_gp); + +#endif /* ! GRUB_CPU_DL_H */ diff --git a/include/grub/mips/io.h b/include/grub/mips/io.h new file mode 100644 index 000000000..b86452c0a --- /dev/null +++ b/include/grub/mips/io.h @@ -0,0 +1,62 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_IO_H +#define GRUB_IO_H 1 + +#include + +typedef grub_addr_t grub_port_t; + +static __inline unsigned char +grub_inb (grub_port_t port) +{ + return *(grub_uint8_t *) port; +} + +static __inline unsigned short int +grub_inw (grub_port_t port) +{ + return *(grub_uint16_t *) port; +} + +static __inline unsigned int +grub_inl (grub_port_t port) +{ + return *(grub_uint32_t *) port; +} + +static __inline void +grub_outb (unsigned char value, grub_port_t port) +{ + *(grub_uint8_t *) port = value; +} + +static __inline void +grub_outw (unsigned short int value, grub_port_t port) +{ + *(grub_uint16_t *) port = value; +} + +static __inline void +grub_outl (unsigned int value, grub_port_t port) +{ + *(grub_uint32_t *) port = value; +} + +#endif /* _SYS_IO_H */ diff --git a/kern/disk.c b/kern/disk.c index 7fbe2e6a6..e463626fb 100644 --- a/kern/disk.c +++ b/kern/disk.c @@ -267,15 +267,12 @@ grub_disk_open (const char *name) for (dev = grub_disk_dev_list; dev; dev = dev->next) { - grub_printf ("open: %p\n", dev->open); - grub_getkey (); if ((dev->open) (raw, disk) == GRUB_ERR_NONE) break; else if (grub_errno == GRUB_ERR_UNKNOWN_DEVICE) grub_errno = GRUB_ERR_NONE; else goto fail; - grub_printf ("survived\n"); } if (! dev) diff --git a/kern/mips/dl.c b/kern/mips/dl.c index 83af37b75..e25ccce3a 100644 --- a/kern/mips/dl.c +++ b/kern/mips/dl.c @@ -57,6 +57,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) grub_size_t gp_size = 0; /* FIXME: suboptimal. */ grub_uint32_t *gp, *gpptr; + grub_uint32_t gp0; /* Find a symbol table. */ for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); @@ -70,6 +71,18 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) entsize = s->sh_entsize; + /* Find reginfo. */ + for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); + i < e->e_shnum; + i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) + if (s->sh_type == SHT_MIPS_REGINFO) + break; + + if (i == e->e_shnum) + return grub_error (GRUB_ERR_BAD_MODULE, "no reginfo found"); + + gp0 = ((grub_uint32_t *)((char *) e + s->sh_offset))[5]; + for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); i < e->e_shnum; i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) @@ -107,7 +120,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) gpptr = gp = grub_malloc (gp_size); if (!gp) return grub_errno; - grub_printf ("gp=%p\n", gp); for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); i < e->e_shnum; @@ -166,8 +178,13 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) *(grub_uint16_t *) addr += (sym->st_value) & 0xffff; break; case R_MIPS_32: - *(grub_uint32_t *) addr = sym->st_value; + *(grub_uint32_t *) addr += sym->st_value; break; + case R_MIPS_GPREL32: + *(grub_uint32_t *) addr = sym->st_value + + *(grub_uint32_t *) addr + gp0 - (grub_uint32_t)gp; + break; + case R_MIPS_26: { grub_uint32_t value; @@ -189,16 +206,13 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) = sizeof (grub_uint32_t) * (gpptr - gp); gpptr++; break; - case R_MIPS_GPREL32: - grub_printf ("gp32\n"); - *gpptr = sym->st_value + *(grub_uint16_t *) addr; - *(grub_uint32_t *) addr - = sizeof (grub_uint32_t) * (gpptr - gp); - gpptr++; - break; default: - grub_printf ("Unknown relocation type %d\n", - ELF_R_TYPE (rel->r_info)); + { + grub_free (gp); + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + "Unknown relocation type %d\n", + ELF_R_TYPE (rel->r_info)); + } break; } } diff --git a/kern/mips/qemu-r4k/init.c b/kern/mips/qemu-r4k/init.c index f7d304313..085c60bf8 100644 --- a/kern/mips/qemu-r4k/init.c +++ b/kern/mips/qemu-r4k/init.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include #include diff --git a/kern/term.c b/kern/term.c index 0a99ff318..789e4651b 100644 --- a/kern/term.c +++ b/kern/term.c @@ -48,9 +48,11 @@ struct grub_handler_class grub_term_output_class = void grub_putcode (grub_uint32_t code) { - // int height = grub_getwh () & 255; + int height = grub_getwh () & 255; + + if (!grub_cur_term_output) + return; -#if 0 if (code == '\t' && grub_cur_term_output->getxy) { int n; @@ -61,15 +63,13 @@ grub_putcode (grub_uint32_t code) return; } -#endif - // (grub_cur_term_output->putchar) (code); - *((grub_uint8_t *)0x140003f8) = code; + (grub_cur_term_output->putchar) (code); if (code == '\n') { grub_putcode ('\r'); -#if 0 + grub_more_lines++; if (grub_more && grub_more_lines == height - 1) @@ -96,7 +96,6 @@ grub_putcode (grub_uint32_t code) else grub_more_lines = 0; } -#endif } } @@ -129,54 +128,66 @@ grub_putchar (int c) grub_ssize_t grub_getcharwidth (grub_uint32_t code) { + if (!grub_cur_term_output) + return 1; return (grub_cur_term_output->getcharwidth) (code); } int grub_getkey (void) { - while (!(*((grub_uint8_t *)0x140003f8+5) & 0x01)); - return *((grub_uint8_t *)0x140003f8); - // return (grub_cur_term_input->getkey) (); + int c; + if (!grub_cur_term_input) + return 0; + return (grub_cur_term_input->getkey) (); } int grub_checkkey (void) { - return !!(*((grub_uint8_t *)0x140003f8+5) & 0x01); - //return (grub_cur_term_input->checkkey) (); + if (!grub_cur_term_input) + return 0; + return (grub_cur_term_input->checkkey) (); } int grub_getkeystatus (void) { - /* if (grub_cur_term_input->getkeystatus) + if (grub_cur_term_input && grub_cur_term_input->getkeystatus) return (grub_cur_term_input->getkeystatus) (); - else*/ + else return 0; } grub_uint16_t grub_getxy (void) { + if (!grub_cur_term_output) + return 0; return (grub_cur_term_output->getxy) (); } grub_uint16_t grub_getwh (void) { + if (!grub_cur_term_output) + return (80 << 8) | 25; return (grub_cur_term_output->getwh) (); } void grub_gotoxy (grub_uint8_t x, grub_uint8_t y) { - (grub_cur_term_output->gotoxy) (x, y); + if (grub_cur_term_output && grub_cur_term_output->gotoxy) + (grub_cur_term_output->gotoxy) (x, y); } void grub_cls (void) { + if (!grub_cur_term_output) + return; + if ((grub_cur_term_output->flags & GRUB_TERM_DUMB) || (grub_env_get ("debug"))) { grub_putchar ('\n'); @@ -189,20 +200,29 @@ grub_cls (void) void grub_setcolorstate (grub_term_color_state state) { - if (grub_cur_term_output && grub_cur_term_output->setcolorstate) + if (!grub_cur_term_output) + return; + + if (grub_cur_term_output->setcolorstate) (grub_cur_term_output->setcolorstate) (state); } void grub_setcolor (grub_uint8_t normal_color, grub_uint8_t highlight_color) { - if (grub_cur_term_output && grub_cur_term_output->setcolor) + if (!grub_cur_term_output) + return; + + if (grub_cur_term_output->setcolor) (grub_cur_term_output->setcolor) (normal_color, highlight_color); } void grub_getcolor (grub_uint8_t *normal_color, grub_uint8_t *highlight_color) { + if (!grub_cur_term_output) + return; + if (grub_cur_term_output->getcolor) (grub_cur_term_output->getcolor) (normal_color, highlight_color); } @@ -212,7 +232,7 @@ grub_setcursor (int on) { int ret = cursor_state; - if (grub_cur_term_output->setcursor) + if (grub_cur_term_output && grub_cur_term_output->setcursor) { (grub_cur_term_output->setcursor) (on); cursor_state = on; @@ -230,7 +250,7 @@ grub_getcursor (void) void grub_refresh (void) { - if (grub_cur_term_output->refresh) + if (grub_cur_term_output && grub_cur_term_output->refresh) (grub_cur_term_output->refresh) (); } diff --git a/term/serial.c b/term/serial.c index eac43bf1b..6c2d8ac09 100644 --- a/term/serial.c +++ b/term/serial.c @@ -18,8 +18,8 @@ #include #include -#include -#include +#include +//#include #include #include #include @@ -67,6 +67,9 @@ static struct serial_port serial_settings; #ifdef GRUB_MACHINE_PCBIOS static const unsigned short *serial_hw_io_addr = (const unsigned short *) GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR; #define GRUB_SERIAL_PORT_NUM 4 +#elif defined (GRUB_MACHINE_MIPS_QEMU) +static const grub_port_t serial_hw_io_addr[] = { 0x140003f8 }; +#define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) #else static const grub_port_t serial_hw_io_addr[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; #define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) @@ -149,7 +152,7 @@ serial_translate_key_sequence (void) if (input_buf[0] != '\e' || input_buf[1] != '[') return; - for (i = 0; ARRAY_SIZE (three_code_table); i++) + for (i = 0; i < ARRAY_SIZE (three_code_table); i++) if (three_code_table[i].key == input_buf[2]) { input_buf[0] = three_code_table[i].ascii; @@ -254,6 +257,9 @@ grub_serial_getkey (void) ; c = input_buf[0]; + if (c == 0x7f) + c = GRUB_TERM_BACKSPACE; + grub_memmove (input_buf, input_buf + 1, --npending); return c; From 50739170dbf9cef4df6d73ba4126e962073c7118 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 11 Oct 2009 14:18:58 +0200 Subject: [PATCH 019/128] seems to work now. A lot is still missing though --- include/grub/mips/qemu-r4k/memory.h | 3 ++- include/grub/mips/types.h | 2 +- kern/dl.c | 17 ++++++++--------- kern/mips/qemu-r4k/init.c | 5 ++--- kern/term.c | 1 - term/serial.c | 4 ++-- 6 files changed, 15 insertions(+), 17 deletions(-) diff --git a/include/grub/mips/qemu-r4k/memory.h b/include/grub/mips/qemu-r4k/memory.h index 21f295b67..87e68674e 100644 --- a/include/grub/mips/qemu-r4k/memory.h +++ b/include/grub/mips/qemu-r4k/memory.h @@ -25,7 +25,8 @@ #include #endif -#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x81000000 +#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x80f00000 +#define GRUB_MACHINE_MEMORY_USABLE 0x81000000 #define GRUB_MACHINE_MEMORY_AVAILABLE 1 diff --git a/include/grub/mips/types.h b/include/grub/mips/types.h index f5f4602e4..fe09afa3e 100644 --- a/include/grub/mips/types.h +++ b/include/grub/mips/types.h @@ -31,7 +31,7 @@ #elif defined (GRUB_CPU_MIPS) /* mips is big-endian. */ #define GRUB_TARGET_WORDS_BIGENDIAN -#else +#elif !defined (GRUB_SYMBOL_GENERATOR) #error Neither GRUB_CPU_MIPS nor GRUB_CPU_MIPSEL is defined #endif diff --git a/kern/dl.c b/kern/dl.c index 78ebc1e38..7cc5855bd 100644 --- a/kern/dl.c +++ b/kern/dl.c @@ -342,6 +342,7 @@ grub_dl_resolve_symbols (grub_dl_t mod, Elf_Ehdr *e) switch (type) { case STT_NOTYPE: + case STT_OBJECT: /* Resolve a global symbol. */ if (sym->st_name != 0 && sym->st_shndx == 0) { @@ -351,15 +352,13 @@ grub_dl_resolve_symbols (grub_dl_t mod, Elf_Ehdr *e) "the symbol `%s' not found", name); } else - sym->st_value = 0; - break; - - case STT_OBJECT: - sym->st_value += (Elf_Addr) grub_dl_get_section_addr (mod, - sym->st_shndx); - if (bind != STB_LOCAL) - if (grub_dl_register_symbol (name, (void *) sym->st_value, mod)) - return grub_errno; + { + sym->st_value += (Elf_Addr) grub_dl_get_section_addr (mod, + sym->st_shndx); + if (bind != STB_LOCAL) + if (grub_dl_register_symbol (name, (void *) sym->st_value, mod)) + return grub_errno; + } break; case STT_FUNC: diff --git a/kern/mips/qemu-r4k/init.c b/kern/mips/qemu-r4k/init.c index 085c60bf8..8dfda57c2 100644 --- a/kern/mips/qemu-r4k/init.c +++ b/kern/mips/qemu-r4k/init.c @@ -22,9 +22,8 @@ grub_get_rtc (void) void grub_machine_init (void) { - void *tst; - grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_STACK_HIGH, - RAMSIZE - (GRUB_MACHINE_MEMORY_STACK_HIGH & 0x7fffffff)); + grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_USABLE, + RAMSIZE - (GRUB_MACHINE_MEMORY_USABLE & 0x7fffffff)); grub_install_get_time_ms (grub_rtc_get_time_ms); } diff --git a/kern/term.c b/kern/term.c index 789e4651b..0e3595df3 100644 --- a/kern/term.c +++ b/kern/term.c @@ -136,7 +136,6 @@ grub_getcharwidth (grub_uint32_t code) int grub_getkey (void) { - int c; if (!grub_cur_term_input) return 0; return (grub_cur_term_input->getkey) (); diff --git a/term/serial.c b/term/serial.c index 6c2d8ac09..4b6ac981d 100644 --- a/term/serial.c +++ b/term/serial.c @@ -29,7 +29,7 @@ #include #define TEXT_WIDTH 80 -#define TEXT_HEIGHT 25 +#define TEXT_HEIGHT 24 static unsigned int xpos, ypos; static unsigned int keep_track = 1; @@ -370,7 +370,7 @@ grub_serial_putchar (grub_uint32_t c) break; case '\n': - if (ypos < TEXT_HEIGHT) + if (ypos < TEXT_HEIGHT - 1) ypos++; break; From 1540a0840253fc2504ba4d3fb24e8b4882c2ab18 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 11 Oct 2009 18:18:18 +0200 Subject: [PATCH 020/128] various fixes. MIPSsim support --- conf/mips-qemu-mipssim.rmk | 4 ++ conf/mips.rmk | 14 ++++- configure.ac | 2 + disk/ata.c | 5 +- include/grub/ata.h | 4 +- include/grub/mips/libgcc.h | 15 +++-- include/grub/mips/pci.h | 70 ++++++++++++++++++++++ include/grub/mips/qemu-mipssim/kernel.h | 35 +++++++++++ include/grub/mips/qemu-mipssim/machine.h | 24 ++++++++ include/grub/mips/qemu-mipssim/memory.h | 54 +++++++++++++++++ include/grub/mips/qemu-mipssim/time.h | 35 +++++++++++ include/grub/mips/qemu-r4k/machine.h | 2 +- kern/mips/qemu-mipssim/init.c | 76 ++++++++++++++++++++++++ kern/mips/qemu-mipssim/startup.S | 55 +++++++++++++++++ term/serial.c | 5 +- 15 files changed, 385 insertions(+), 15 deletions(-) create mode 100644 conf/mips-qemu-mipssim.rmk create mode 100644 include/grub/mips/pci.h create mode 100644 include/grub/mips/qemu-mipssim/kernel.h create mode 100644 include/grub/mips/qemu-mipssim/machine.h create mode 100644 include/grub/mips/qemu-mipssim/memory.h create mode 100644 include/grub/mips/qemu-mipssim/time.h create mode 100644 kern/mips/qemu-mipssim/init.c create mode 100644 kern/mips/qemu-mipssim/startup.S diff --git a/conf/mips-qemu-mipssim.rmk b/conf/mips-qemu-mipssim.rmk new file mode 100644 index 000000000..9000ae296 --- /dev/null +++ b/conf/mips-qemu-mipssim.rmk @@ -0,0 +1,4 @@ +# -*- makefile -*- +LINK_BASE = 0x80010000 +target_machine=qemu-mipssim +include $(srcdir)/conf/mips.mk diff --git a/conf/mips.rmk b/conf/mips.rmk index d03b5d8f5..6ebd7d665 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -84,7 +84,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ grub_emu_LDFLAGS = $(LIBCURSES) -kernel_img_SOURCES = kern/mips/qemu-r4k/startup.S \ +kernel_img_SOURCES = kern/$(target_cpu)/$(target_machine)/startup.S \ kern/main.c kern/device.c kern/$(target_cpu)/$(target_machine)/init.c \ kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ kern/misc.c kern/mm.c kern/reader.c kern/term.c \ @@ -128,4 +128,16 @@ serial_mod_SOURCES = term/serial.c serial_mod_CFLAGS = $(COMMON_CFLAGS) serial_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For ata.mod. +pkglib_MODULES += ata.mod +ata_mod_SOURCES = disk/ata.c +ata_mod_CFLAGS = $(COMMON_CFLAGS) +ata_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For pci.mod. +pkglib_MODULES += pci.mod +pci_mod_SOURCES = bus/pci.c +pci_mod_CFLAGS = $(COMMON_CFLAGS) +pci_mod_LDFLAGS = $(COMMON_LDFLAGS) + include $(srcdir)/conf/common.mk diff --git a/configure.ac b/configure.ac index 97486e421..98750280e 100644 --- a/configure.ac +++ b/configure.ac @@ -91,6 +91,8 @@ case "$target_cpu"-"$platform" in sparc64-ieee1275) ;; mipsel-qemu-r4k) ;; mips-qemu-r4k) ;; + mipsel-qemu-mipssim) ;; + mips-qemu-mipssim) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; esac diff --git a/disk/ata.c b/disk/ata.c index 78d396526..b8ce88df3 100644 --- a/disk/ata.c +++ b/disk/ata.c @@ -24,10 +24,11 @@ #include #include #include +#include /* At the moment, only two IDE ports are supported. */ -static const int grub_ata_ioaddress[] = { 0x1f0, 0x170 }; -static const int grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; +static const grub_port_t grub_ata_ioaddress[] = { 0x1f0, 0x170 }; +static const grub_port_t grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; static struct grub_ata_device *grub_ata_devices; diff --git a/include/grub/ata.h b/include/grub/ata.h index aaa2e147a..940e67102 100644 --- a/include/grub/ata.h +++ b/include/grub/ata.h @@ -98,8 +98,8 @@ struct grub_ata_device /* IO addresses on which the registers for this device can be found. */ - int ioaddress; - int ioaddress2; + grub_port_t ioaddress; + grub_port_t ioaddress2; /* Two devices can be connected to a single cable. Use this field to select device 0 (commonly known as "master") or device 1 diff --git a/include/grub/mips/libgcc.h b/include/grub/mips/libgcc.h index a65842522..a04a8f140 100644 --- a/include/grub/mips/libgcc.h +++ b/include/grub/mips/libgcc.h @@ -16,11 +16,10 @@ * along with GRUB. If not, see . */ -void *EXPORT_FUNC (memset) (void *s, int c, int n) __attribute__ ((weak)); -void EXPORT_FUNC (__ashldi3) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__ashrdi3) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__lshrdi3) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__trampoline_setup) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__ucmpdi2) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__bswapsi2) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__bswapdi2) (void) __attribute__ ((weak)); +void *EXPORT_FUNC (memset) (void *s, int c, int n); +void EXPORT_FUNC (__ashldi3) (void); +void EXPORT_FUNC (__ashrdi3) (void); +void EXPORT_FUNC (__lshrdi3) (void); +void EXPORT_FUNC (__ucmpdi2) (void); +void EXPORT_FUNC (__bswapsi2) (void); +void EXPORT_FUNC (__bswapdi2) (void); diff --git a/include/grub/mips/pci.h b/include/grub/mips/pci.h new file mode 100644 index 000000000..38a95a467 --- /dev/null +++ b/include/grub/mips/pci.h @@ -0,0 +1,70 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_CPU_PCI_H +#define GRUB_CPU_PCI_H 1 + +#include +#include + +#define GRUB_PCI_ADDR_REG 0x14000cf8 +#define GRUB_PCI_DATA_REG 0x14000cfc + +static inline grub_uint32_t +grub_pci_read (grub_pci_address_t addr) +{ + grub_outl (addr, GRUB_PCI_ADDR_REG); + return grub_inl (GRUB_PCI_DATA_REG); +} + +static inline grub_uint16_t +grub_pci_read_word (grub_pci_address_t addr) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + return grub_inw (GRUB_PCI_DATA_REG + (addr & 3)); +} + +static inline grub_uint8_t +grub_pci_read_byte (grub_pci_address_t addr) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + return grub_inb (GRUB_PCI_DATA_REG + (addr & 3)); +} + +static inline void +grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) +{ + grub_outl (addr, GRUB_PCI_ADDR_REG); + grub_outl (data, GRUB_PCI_DATA_REG); +} + +static inline void +grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + grub_outw (data, GRUB_PCI_DATA_REG + (addr & 3)); +} + +static inline void +grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + grub_outb (data, GRUB_PCI_DATA_REG + (addr & 3)); +} + +#endif /* GRUB_CPU_PCI_H */ diff --git a/include/grub/mips/qemu-mipssim/kernel.h b/include/grub/mips/qemu-mipssim/kernel.h new file mode 100644 index 000000000..6a10f2df1 --- /dev/null +++ b/include/grub/mips/qemu-mipssim/kernel.h @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_KERNEL_MACHINE_HEADER +#define GRUB_KERNEL_MACHINE_HEADER 1 + +#include + +#ifndef ASM_FILE + +void EXPORT_FUNC (grub_reboot) (void); +void EXPORT_FUNC (grub_halt) (void); + +/* The prefix which points to the directory where GRUB modules and its + configuration file are located. */ +extern char grub_prefix[]; + +#endif + +#endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/mips/qemu-mipssim/machine.h b/include/grub/mips/qemu-mipssim/machine.h new file mode 100644 index 000000000..9062662bc --- /dev/null +++ b/include/grub/mips/qemu-mipssim/machine.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_MACHINE_HEADER +#define GRUB_MACHINE_MACHINE_HEADER 1 + +#define GRUB_MACHINE_MIPS_QEMU_MIPSSIM 1 + +#endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/include/grub/mips/qemu-mipssim/memory.h b/include/grub/mips/qemu-mipssim/memory.h new file mode 100644 index 000000000..87e68674e --- /dev/null +++ b/include/grub/mips/qemu-mipssim/memory.h @@ -0,0 +1,54 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MEMORY_MACHINE_HEADER +#define GRUB_MEMORY_MACHINE_HEADER 1 + +#ifndef ASM_FILE +#include +#include +#include +#endif + +#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x80f00000 +#define GRUB_MACHINE_MEMORY_USABLE 0x81000000 + +#define GRUB_MACHINE_MEMORY_AVAILABLE 1 + +#ifndef ASM_FILE +grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate) +(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); +grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) + (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); + +static inline grub_err_t +grub_machine_mmap_register (grub_uint64_t start __attribute__ ((unused)), + grub_uint64_t size __attribute__ ((unused)), + int type __attribute__ ((unused)), + int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} +static inline grub_err_t +grub_machine_mmap_unregister (int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} +#endif + +#endif diff --git a/include/grub/mips/qemu-mipssim/time.h b/include/grub/mips/qemu-mipssim/time.h new file mode 100644 index 000000000..5c8564e0d --- /dev/null +++ b/include/grub/mips/qemu-mipssim/time.h @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_MACHINE_TIME_HEADER +#define KERNEL_MACHINE_TIME_HEADER 1 + +#include + +#define GRUB_TICKS_PER_SECOND 1000 + +/* Return the real time in ticks. */ +grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); + +static inline void +grub_cpu_idle(void) +{ + /* asm volatile ("wait");*/ +} + +#endif /* ! KERNEL_MACHINE_TIME_HEADER */ diff --git a/include/grub/mips/qemu-r4k/machine.h b/include/grub/mips/qemu-r4k/machine.h index 9bad5dca9..386cad750 100644 --- a/include/grub/mips/qemu-r4k/machine.h +++ b/include/grub/mips/qemu-r4k/machine.h @@ -19,6 +19,6 @@ #ifndef GRUB_MACHINE_MACHINE_HEADER #define GRUB_MACHINE_MACHINE_HEADER 1 -#define GRUB_MACHINE_MIPS_QEMU 1 +#define GRUB_MACHINE_MIPS_QEMU_R4K 1 #endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/kern/mips/qemu-mipssim/init.c b/kern/mips/qemu-mipssim/init.c new file mode 100644 index 000000000..d4001cf1c --- /dev/null +++ b/kern/mips/qemu-mipssim/init.c @@ -0,0 +1,76 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define RAMSIZE (64 << 20) + +grub_uint32_t +grub_get_rtc (void) +{ + static int calln = 0; + return calln++; +} + +void +grub_machine_init (void) +{ + grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_USABLE, + RAMSIZE - (GRUB_MACHINE_MEMORY_USABLE & 0x7fffffff)); + grub_install_get_time_ms (grub_rtc_get_time_ms); +} + +void +grub_machine_fini (void) +{ +} + +void +grub_exit (void) +{ + while (1); +} + +void +grub_halt (void) +{ + while (1); +} + +void +grub_reboot (void) +{ + while (1); +} + +void +grub_machine_set_prefix (void) +{ + grub_env_set ("prefix", grub_prefix); +} + +extern char _start[]; +extern char _end[]; + +grub_addr_t +grub_arch_modules_addr (void) +{ + return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); +} + +grub_err_t +grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, + grub_uint64_t, + grub_uint32_t)) +{ + hook (0, RAMSIZE, + GRUB_MACHINE_MEMORY_AVAILABLE); + return GRUB_ERR_NONE; +} diff --git a/kern/mips/qemu-mipssim/startup.S b/kern/mips/qemu-mipssim/startup.S new file mode 100644 index 000000000..19de4779d --- /dev/null +++ b/kern/mips/qemu-mipssim/startup.S @@ -0,0 +1,55 @@ +/* startup.S - Startup code for the MIPS. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include + +.extern __bss_start +.extern _end + + .globl __start, _start, start +__start: +_start: +start: + b codestart + . = _start + GRUB_KERNEL_CPU_PREFIX + +VARIABLE(grub_prefix) + /* to be filled by grub-mkelfimage */ + + /* + * Leave some breathing room for the prefix. + */ + + . = _start + GRUB_KERNEL_CPU_DATA_END +codestart: + lui $t1, %hi(__bss_start) + addiu $t1, %lo(__bss_start) + lui $t2, %hi(_end) + addiu $t2, %lo(_end) + +bsscont: + sb $0,0($t1) + addiu $t1,$t1,1 + sltu $t3,$t1,$t2 + bne $3, $0, bsscont + + li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH + b grub_main \ No newline at end of file diff --git a/term/serial.c b/term/serial.c index 4b6ac981d..30f8bb91a 100644 --- a/term/serial.c +++ b/term/serial.c @@ -67,7 +67,10 @@ static struct serial_port serial_settings; #ifdef GRUB_MACHINE_PCBIOS static const unsigned short *serial_hw_io_addr = (const unsigned short *) GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR; #define GRUB_SERIAL_PORT_NUM 4 -#elif defined (GRUB_MACHINE_MIPS_QEMU) +#elif defined (GRUB_MACHINE_MIPS_QEMU_MIPSSIM) +static const grub_port_t serial_hw_io_addr[] = { 0x1fd003f8 }; +#define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) +#elif defined (GRUB_MACHINE_MIPS_QEMU_R4K) static const grub_port_t serial_hw_io_addr[] = { 0x140003f8 }; #define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) #else From 9ed5ff3f6f03a145d2698d9b521ebebb6c3f2f6c Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 11 Oct 2009 22:20:55 +0200 Subject: [PATCH 021/128] made relocator more portable --- lib/i386/relocator.c | 141 ++++++++++++------------------------------- lib/relocator.c | 97 +++++++++++++++++++++++++++++ 2 files changed, 137 insertions(+), 101 deletions(-) create mode 100644 lib/relocator.c diff --git a/lib/i386/relocator.c b/lib/i386/relocator.c index 3f0a40a27..84832eb02 100644 --- a/lib/i386/relocator.c +++ b/lib/i386/relocator.c @@ -54,112 +54,51 @@ extern grub_uint32_t grub_relocator32_backward_esp; #define RELOCATOR_SIZEOF(x) (&grub_relocator32_##x##_end - &grub_relocator32_##x##_start) #define RELOCATOR_ALIGN 16 +#define PREFIX(x) grub_relocator32_ ## x -void * -grub_relocator32_alloc (grub_size_t size) +static void +write_relocator_bw (void *ptr, void *src, grub_uint32_t dest, + grub_size_t size, struct grub_relocator32_state state) { - char *playground; - - playground = grub_malloc ((RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN) - + size - + (RELOCATOR_SIZEOF (backward) + - RELOCATOR_ALIGN)); - if (!playground) - return 0; - - *(grub_size_t *) playground = size; - - return playground + RELOCATOR_SIZEOF (forward); -} - -void * -grub_relocator32_realloc (void *relocator, grub_size_t size) -{ - char *playground; - - playground = (char *) relocator - RELOCATOR_SIZEOF (forward); - - playground = grub_realloc (playground, - (RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN) - + size - + (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN)); - if (!playground) - return 0; - - *(grub_size_t *) playground = size; - - return playground + RELOCATOR_SIZEOF (forward); -} - -void -grub_relocator32_free (void *relocator) -{ - if (relocator) - grub_free ((char *) relocator - RELOCATOR_SIZEOF (forward)); -} - - -grub_err_t -grub_relocator32_boot (void *relocator, grub_uint32_t dest, - struct grub_relocator32_state state) -{ - grub_size_t size; - char *playground; void (*entry) (); - playground = (char *) relocator - RELOCATOR_SIZEOF (forward); - size = *(grub_size_t *) playground; + grub_relocator32_backward_dest = dest; + grub_relocator32_backward_src = PTR_TO_UINT64 (src); + grub_relocator32_backward_size = size; - if (UINT_TO_PTR (dest) >= relocator) - { - int overhead; + grub_relocator32_backward_eax = state.eax; + grub_relocator32_backward_ebx = state.ebx; + grub_relocator32_backward_ecx = state.ecx; + grub_relocator32_backward_edx = state.edx; + grub_relocator32_backward_eip = state.eip; + grub_relocator32_backward_esp = state.esp; - overhead = - ALIGN_UP (dest - RELOCATOR_SIZEOF (backward) - RELOCATOR_ALIGN, - RELOCATOR_ALIGN); - grub_relocator32_backward_dest = dest - overhead; - grub_relocator32_backward_src = PTR_TO_UINT64 (relocator - overhead); - grub_relocator32_backward_size = size + overhead; - - grub_relocator32_backward_eax = state.eax; - grub_relocator32_backward_ebx = state.ebx; - grub_relocator32_backward_ecx = state.ecx; - grub_relocator32_backward_edx = state.edx; - grub_relocator32_backward_eip = state.eip; - grub_relocator32_backward_esp = state.esp; - - grub_memmove (relocator - overhead, - &grub_relocator32_backward_start, - RELOCATOR_SIZEOF (backward)); - entry = (void (*)()) (relocator - overhead); - } - else - { - int overhead; - - overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN) - + RELOCATOR_SIZEOF (forward) - (dest + size); - - grub_relocator32_forward_dest = dest; - grub_relocator32_forward_src = PTR_TO_UINT64 (relocator); - grub_relocator32_forward_size = size + overhead; - - grub_relocator32_forward_eax = state.eax; - grub_relocator32_forward_ebx = state.ebx; - grub_relocator32_forward_ecx = state.ecx; - grub_relocator32_forward_edx = state.edx; - grub_relocator32_forward_eip = state.eip; - grub_relocator32_forward_esp = state.esp; - - grub_memmove (relocator + size + overhead - RELOCATOR_SIZEOF (forward), - &grub_relocator32_forward_start, - RELOCATOR_SIZEOF (forward)); - entry = - (void (*)()) (relocator + size + overhead - - RELOCATOR_SIZEOF (forward)); - } + grub_memmove (ptr, + &grub_relocator32_backward_start, + RELOCATOR_SIZEOF (backward)); + entry = (void (*)()) (ptr); + entry (); +} + +static void +write_relocator_bw (void *ptr, void *src, grub_uint32_t dest, + grub_size_t size, struct grub_relocator32_state state) +{ + + grub_relocator32_forward_dest = dest; + grub_relocator32_forward_src = PTR_TO_UINT64 (src); + grub_relocator32_forward_size = size; + + grub_relocator32_forward_eax = state.eax; + grub_relocator32_forward_ebx = state.ebx; + grub_relocator32_forward_ecx = state.ecx; + grub_relocator32_forward_edx = state.edx; + grub_relocator32_forward_eip = state.eip; + grub_relocator32_forward_esp = state.esp; + + grub_memmove (ptr, + &grub_relocator32_forward_start, + RELOCATOR_SIZEOF (forward)); + entry = (void (*)()) ptr; entry (); - - /* Not reached. */ - return GRUB_ERR_NONE; } diff --git a/lib/relocator.c b/lib/relocator.c new file mode 100644 index 000000000..750753b6d --- /dev/null +++ b/lib/relocator.c @@ -0,0 +1,97 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +void * +PREFIX (alloc) (grub_size_t size) +{ + char *playground; + + playground = grub_malloc ((RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN) + + size + + (RELOCATOR_SIZEOF (backward) + + RELOCATOR_ALIGN)); + if (!playground) + return 0; + + *(grub_size_t *) playground = size; + + return playground + RELOCATOR_SIZEOF (forward); +} + +void * +PREFIX (realloc) (void *relocator, grub_size_t size) +{ + char *playground; + + playground = (char *) relocator - RELOCATOR_SIZEOF (forward); + + playground = grub_realloc (playground, + (RELOCATOR_SIZEOF (forward) + RELOCATOR_ALIGN) + + size + + (RELOCATOR_SIZEOF (backward) + RELOCATOR_ALIGN)); + if (!playground) + return 0; + + *(grub_size_t *) playground = size; + + return playground + RELOCATOR_SIZEOF (forward); +} + +void +PREFIX(free) (void *relocator) +{ + if (relocator) + grub_free ((char *) relocator - RELOCATOR_SIZEOF (forward)); +} + +grub_err_t +PREFIX (boot) (void *relocator, grub_uint32_t dest, + struct grub_relocator32_state state) +{ + grub_size_t size; + char *playground; + + playground = (char *) relocator - RELOCATOR_SIZEOF (forward); + size = *(grub_size_t *) playground; + + if (UINT_TO_PTR (dest) >= relocator) + { + int overhead; + void *reldest = relocator - overhead; + overhead = + ALIGN_UP (dest - RELOCATOR_SIZEOF (backward) - RELOCATOR_ALIGN, + RELOCATOR_ALIGN); + write_call_relocator_bw (relocator - overhead, + relocator - overhead, + dest - overhead, size + overhead, state); + } + else + { + int overhead; + + overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN) + + RELOCATOR_SIZEOF (forward) - (dest + size); + + write_call_relocator_fw (relocator + size + overhead + - RELOCATOR_SIZEOF (forward), + relocator, dest, size + overhead, state); + } + + /* Not reached. */ + return GRUB_ERR_NONE; +} From 023593d766e6b3a05bf7e7c5118640bba4a1c659 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 11 Oct 2009 23:00:22 +0200 Subject: [PATCH 022/128] relocator dor mips --- conf/mips.rmk | 7 +++ include/grub/mips/relocator.h | 39 ++++++++++++ kern/mips/qemu-mipssim/startup.S | 2 +- lib/mips/relocator.c | 102 +++++++++++++++++++++++++++++++ lib/mips/relocator_asm.S | 50 +++++++++++++++ 5 files changed, 199 insertions(+), 1 deletion(-) create mode 100644 include/grub/mips/relocator.h create mode 100644 lib/mips/relocator.c create mode 100644 lib/mips/relocator_asm.S diff --git a/conf/mips.rmk b/conf/mips.rmk index 6ebd7d665..46b74d68f 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -140,4 +140,11 @@ pci_mod_SOURCES = bus/pci.c pci_mod_CFLAGS = $(COMMON_CFLAGS) pci_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For relocator.mod. +pkglib_MODULES += relocator.mod +relocator_mod_SOURCES = lib/$(target_cpu)/relocator.c lib/$(target_cpu)/relocator_asm.S +relocator_mod_CFLAGS = $(COMMON_CFLAGS) +relocator_mod_ASFLAGS = $(COMMON_ASFLAGS) +relocator_mod_LDFLAGS = $(COMMON_LDFLAGS) + include $(srcdir)/conf/common.mk diff --git a/include/grub/mips/relocator.h b/include/grub/mips/relocator.h new file mode 100644 index 000000000..838ef832f --- /dev/null +++ b/include/grub/mips/relocator.h @@ -0,0 +1,39 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_RELOCATOR_CPU_HEADER +#define GRUB_RELOCATOR_CPU_HEADER 1 + +#include +#include + +struct grub_relocator32_state +{ + /* gpr[0] is ignored since it's hardwired to 0. */ + grub_uint32_t gpr[32]; + /* Register holding target $pc. */ + int jumpreg; +}; + +void *grub_relocator32_alloc (grub_size_t size); +grub_err_t grub_relocator32_boot (void *relocator, grub_uint32_t dest, + struct grub_relocator32_state state); +void *grub_relocator32_realloc (void *relocator, grub_size_t size); +void grub_relocator32_free (void *relocator); + +#endif /* ! GRUB_RELOCATOR_CPU_HEADER */ diff --git a/kern/mips/qemu-mipssim/startup.S b/kern/mips/qemu-mipssim/startup.S index 19de4779d..36c5fabd7 100644 --- a/kern/mips/qemu-mipssim/startup.S +++ b/kern/mips/qemu-mipssim/startup.S @@ -49,7 +49,7 @@ bsscont: sb $0,0($t1) addiu $t1,$t1,1 sltu $t3,$t1,$t2 - bne $3, $0, bsscont + bne $t3, $t0, bsscont li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH b grub_main \ No newline at end of file diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c new file mode 100644 index 000000000..4ec7f6c08 --- /dev/null +++ b/lib/mips/relocator.c @@ -0,0 +1,102 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include + +#include +#include +#include + +#include + +/* Remark: doesn't work with source outside of 4G. + Use relocator64 in this case. + */ + +extern grub_uint8_t grub_relocator32_forward_start; +extern grub_uint8_t grub_relocator32_forward_end; +extern grub_uint8_t grub_relocator32_backward_start; +extern grub_uint8_t grub_relocator32_backward_end; + +#define REGW_SIZEOF (2 * sizeof (grub_uint32_t)) +#define JUMP_SIZEOF (sizeof (grub_uint32_t)) + +#define RELOCATOR_SRC_SIZEOF(x) (&grub_relocator32_##x##_end \ + - &grub_relocator32_##x##_start) +#define RELOCATOR_SIZEOF(x) (RELOCATOR_SRC_SIZEOF(x) \ + + REGW_SIZEOF * (31 + 3) + JUMP_SIZEOF) +#define RELOCATOR_ALIGN 16 + +#define PREFIX(x) grub_relocator32_ ## x + +static void +write_reg (int regn, grub_uint32_t val, void **target) +{ + /* lui $r, (val+0x8000). */ + *(grub_uint32_t *) *target = ((0x3c00 | regn) << 16) | ((val + 0x8000) >> 16); + *target = ((grub_uint32_t *) *target) + 1; + /* addiu $r, $r, val. */ + *(grub_uint32_t *) *target = (((0x2400 | regn << 5 | regn) << 16) + | ((val + 0x8000) >> 16)); + *target = ((grub_uint32_t *) *target) + 1; +} + +static void +write_jump (int regn, void **target) +{ + /* j $r. */ + *(grub_uint32_t *) *target = (regn<<21) | 0x8; + *target = ((grub_uint32_t *) *target) + 1; +} + +static void +write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest, + grub_size_t size, struct grub_relocator32_state state) +{ + void *ptr = ptr0; + int i; + write_reg (1, (grub_uint32_t) src, &ptr); + write_reg (2, dest, &ptr); + write_reg (3, size, &ptr); + grub_memcpy (ptr, &grub_relocator32_backward_start, + RELOCATOR_SRC_SIZEOF (backward)); + for (i = 1; i < 32; i++) + write_reg (i, state.gpr[i], &ptr); + write_jump (state.jumpreg, &ptr); + ((void (*) ())ptr0) (); +} + +static void +write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest, + grub_size_t size, struct grub_relocator32_state state) +{ + void *ptr = ptr0; + int i; + write_reg (1, (grub_uint32_t) src, &ptr); + write_reg (2, dest, &ptr); + write_reg (3, size, &ptr); + grub_memcpy (ptr, &grub_relocator32_forward_start, + RELOCATOR_SRC_SIZEOF (forward)); + for (i = 1; i < 32; i++) + write_reg (i, state.gpr[i], &ptr); + write_jump (state.jumpreg, &ptr); + ((void (*) ())ptr0) (); +} + +#include "../relocator.c" diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S new file mode 100644 index 000000000..607a46303 --- /dev/null +++ b/lib/mips/relocator_asm.S @@ -0,0 +1,50 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include + +#ifdef BACKWARD +#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_backward_ ## x) +#else +#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_forward_ ## x) +#endif + + .p2align 4 /* force 16-byte alignment */ + +VARIABLE (grub_relocator32_forward_start) +copycont1: + lb $4,0($1) + sb $4,0($2) + addiu $3, $3, 0xffff + subu $4,$3,$0 + bne $4, $0, copycont1 +VARIABLE (grub_relocator32_forward_end) + +VARIABLE (grub_relocator32_backward_start) + addu $2, $2, $3 + addu $1, $1, $3 + /* Backward movsl is implicitly off-by-one. compensate that. */ + addiu $2, $2, 0xffff + addiu $1, $1, 0xffff +copycont2: + lb $4,0($1) + sb $4,0($2) + addiu $3, 0xffff + subu $4,$3,$0 + bne $4, $0, copycont2 +VARIABLE (grub_relocator32_backward_end) From b07c261cfc645565126fd017209bde492a492247 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 11 Oct 2009 23:00:40 +0200 Subject: [PATCH 023/128] fix warning --- lib/relocator.c | 1 - 1 file changed, 1 deletion(-) diff --git a/lib/relocator.c b/lib/relocator.c index 750753b6d..622adc517 100644 --- a/lib/relocator.c +++ b/lib/relocator.c @@ -72,7 +72,6 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest, if (UINT_TO_PTR (dest) >= relocator) { int overhead; - void *reldest = relocator - overhead; overhead = ALIGN_UP (dest - RELOCATOR_SIZEOF (backward) - RELOCATOR_ALIGN, RELOCATOR_ALIGN); From 141278b5e065eea1074a5818a8083a61dffa73bd Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 12 Oct 2009 11:23:08 +0200 Subject: [PATCH 024/128] fix --- lib/i386/relocator.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/lib/i386/relocator.c b/lib/i386/relocator.c index 84832eb02..94cbfba72 100644 --- a/lib/i386/relocator.c +++ b/lib/i386/relocator.c @@ -57,11 +57,9 @@ extern grub_uint32_t grub_relocator32_backward_esp; #define PREFIX(x) grub_relocator32_ ## x static void -write_relocator_bw (void *ptr, void *src, grub_uint32_t dest, - grub_size_t size, struct grub_relocator32_state state) +write_call_relocator_bw (void *ptr, void *src, grub_uint32_t dest, + grub_size_t size, struct grub_relocator32_state state) { - void (*entry) (); - grub_relocator32_backward_dest = dest; grub_relocator32_backward_src = PTR_TO_UINT64 (src); grub_relocator32_backward_size = size; @@ -76,13 +74,12 @@ write_relocator_bw (void *ptr, void *src, grub_uint32_t dest, grub_memmove (ptr, &grub_relocator32_backward_start, RELOCATOR_SIZEOF (backward)); - entry = (void (*)()) (ptr); - entry (); + ((void (*)()) ptr) (); } static void -write_relocator_bw (void *ptr, void *src, grub_uint32_t dest, - grub_size_t size, struct grub_relocator32_state state) +write_call_relocator_fw (void *ptr, void *src, grub_uint32_t dest, + grub_size_t size, struct grub_relocator32_state state) { grub_relocator32_forward_dest = dest; @@ -99,6 +96,7 @@ write_relocator_bw (void *ptr, void *src, grub_uint32_t dest, grub_memmove (ptr, &grub_relocator32_forward_start, RELOCATOR_SIZEOF (forward)); - entry = (void (*)()) ptr; - entry (); + ((void (*)()) ptr) (); } + +#include "../relocator.c" From 81a642e8e2c6fc8f070651e1f9b10fb563b39018 Mon Sep 17 00:00:00 2001 From: phcoder Date: Fri, 16 Oct 2009 17:40:59 +0200 Subject: [PATCH 025/128] linux.c --- include/grub/elfload.h | 4 ++-- kern/elf.c | 17 ++++++++++++++--- lib/mips/relocator.c | 12 ++++++------ lib/mips/relocator_asm.S | 26 +++++++++++++------------- 4 files changed, 35 insertions(+), 24 deletions(-) diff --git a/include/grub/elfload.h b/include/grub/elfload.h index 6e09e0d05..77ee41675 100644 --- a/include/grub/elfload.h +++ b/include/grub/elfload.h @@ -46,12 +46,12 @@ grub_elf_t grub_elf_file (grub_file_t); grub_err_t grub_elf_close (grub_elf_t); int grub_elf_is_elf32 (grub_elf_t); -grub_size_t grub_elf32_size (grub_elf_t); +grub_size_t grub_elf32_size (grub_elf_t, Elf32_Addr *); grub_err_t grub_elf32_load (grub_elf_t, grub_elf32_load_hook_t, grub_addr_t *, grub_size_t *); int grub_elf_is_elf64 (grub_elf_t); -grub_size_t grub_elf64_size (grub_elf_t); +grub_size_t grub_elf64_size (grub_elf_t, Elf64_Addr *); grub_err_t grub_elf64_load (grub_elf_t, grub_elf64_load_hook_t, grub_addr_t *, grub_size_t *); diff --git a/kern/elf.c b/kern/elf.c index f14161060..1e51839a0 100644 --- a/kern/elf.c +++ b/kern/elf.c @@ -172,7 +172,7 @@ grub_elf32_phdr_iterate (grub_elf_t elf, /* Calculate the amount of memory spanned by the segments. */ grub_size_t -grub_elf32_size (grub_elf_t elf) +grub_elf32_size (grub_elf_t elf, Elf32_Addr *base) { Elf32_Addr segments_start = (Elf32_Addr) -1; Elf32_Addr segments_end = 0; @@ -196,6 +196,9 @@ grub_elf32_size (grub_elf_t elf) grub_elf32_phdr_iterate (elf, calcsize, 0); + if (base) + *base = 0; + if (nr_phdrs == 0) { grub_error (GRUB_ERR_BAD_OS, "No program headers present"); @@ -209,10 +212,12 @@ grub_elf32_size (grub_elf_t elf) return 0; } + if (base) + *base = segments_start; + return segments_end - segments_start; } - /* Load every loadable segment into memory specified by `_load_hook'. */ grub_err_t grub_elf32_load (grub_elf_t _elf, grub_elf32_load_hook_t _load_hook, @@ -351,7 +356,7 @@ grub_elf64_phdr_iterate (grub_elf_t elf, /* Calculate the amount of memory spanned by the segments. */ grub_size_t -grub_elf64_size (grub_elf_t elf) +grub_elf64_size (grub_elf_t elf, Elf64_Addr *base) { Elf64_Addr segments_start = (Elf64_Addr) -1; Elf64_Addr segments_end = 0; @@ -375,6 +380,9 @@ grub_elf64_size (grub_elf_t elf) grub_elf64_phdr_iterate (elf, calcsize, 0); + if (base) + *base = 0; + if (nr_phdrs == 0) { grub_error (GRUB_ERR_BAD_OS, "No program headers present"); @@ -388,6 +396,9 @@ grub_elf64_size (grub_elf_t elf) return 0; } + if (base) + *base = segments_start; + return segments_end - segments_start; } diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index 4ec7f6c08..91e66893a 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -71,9 +71,9 @@ write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest, { void *ptr = ptr0; int i; - write_reg (1, (grub_uint32_t) src, &ptr); - write_reg (2, dest, &ptr); - write_reg (3, size, &ptr); + write_reg (2, (grub_uint32_t) src, &ptr); + write_reg (3, dest, &ptr); + write_reg (4, size, &ptr); grub_memcpy (ptr, &grub_relocator32_backward_start, RELOCATOR_SRC_SIZEOF (backward)); for (i = 1; i < 32; i++) @@ -88,9 +88,9 @@ write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest, { void *ptr = ptr0; int i; - write_reg (1, (grub_uint32_t) src, &ptr); - write_reg (2, dest, &ptr); - write_reg (3, size, &ptr); + write_reg (2, (grub_uint32_t) src, &ptr); + write_reg (3, dest, &ptr); + write_reg (4, size, &ptr); grub_memcpy (ptr, &grub_relocator32_forward_start, RELOCATOR_SRC_SIZEOF (forward)); for (i = 1; i < 32; i++) diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S index 607a46303..24541e2d0 100644 --- a/lib/mips/relocator_asm.S +++ b/lib/mips/relocator_asm.S @@ -28,23 +28,23 @@ VARIABLE (grub_relocator32_forward_start) copycont1: - lb $4,0($1) - sb $4,0($2) - addiu $3, $3, 0xffff - subu $4,$3,$0 - bne $4, $0, copycont1 + lb $5,0($2) + sb $5,0($3) + addiu $4, $4, 0xffff + subu $5,$4,$0 + bne $5, $0, copycont1 VARIABLE (grub_relocator32_forward_end) VARIABLE (grub_relocator32_backward_start) - addu $2, $2, $3 - addu $1, $1, $3 + addu $3, $3, $4 + addu $2, $2, $4 /* Backward movsl is implicitly off-by-one. compensate that. */ + addiu $3, $3, 0xffff addiu $2, $2, 0xffff - addiu $1, $1, 0xffff copycont2: - lb $4,0($1) - sb $4,0($2) - addiu $3, 0xffff - subu $4,$3,$0 - bne $4, $0, copycont2 + lb $5,0($2) + sb $5,0($3) + addiu $4, 0xffff + subu $5,$4,$0 + bne $5, $0, copycont2 VARIABLE (grub_relocator32_backward_end) From ea818634b5c283698b28eb03c76c602a0048e4fd Mon Sep 17 00:00:00 2001 From: phcoder Date: Fri, 16 Oct 2009 18:13:18 +0200 Subject: [PATCH 026/128] actual file --- loader/mips/linux.c | 317 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 317 insertions(+) create mode 100644 loader/mips/linux.c diff --git a/loader/mips/linux.c b/loader/mips/linux.c new file mode 100644 index 000000000..6b94304a5 --- /dev/null +++ b/loader/mips/linux.c @@ -0,0 +1,317 @@ +/* linux.c - boot Linux */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003, 2004, 2005, 2007, 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define ELF32_LOADMASK (0x00000000UL) +#define ELF64_LOADMASK (0x0000000000000000ULL) + +static grub_dl_t my_mod; + +static int loaded; + +static grub_size_t initrd_size; +static grub_size_t linux_size; + +static char *linux_args; + +static grub_uint8_t *playground; +static grub_addr_t target_addr, entry_addr, initrd_addr, args_addr; + +static grub_err_t +grub_linux_boot (void) +{ + grub_ssize_t actual; + struct grub_relocator32_state state; + + /* Boot the kernel. */ + state.gpr[1] = entry_addr; + state.jumpreg = 1; + grub_relocator32_boot (playground, target_addr, state); + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_linux_release_mem (void) +{ + grub_relocator32_free (playground); + + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_linux_unload (void) +{ + grub_err_t err; + + err = grub_linux_release_mem (); + grub_dl_unref (my_mod); + + loaded = 0; + + return err; +} + +static grub_err_t +grub_linux_load32 (grub_elf_t elf, char *args) +{ + Elf32_Addr base; + int found_addr = 0; + int argsoff; + + /* Linux's entry point incorrectly contains a virtual address. */ + entry_addr = elf->ehdr.ehdr32.e_entry & ~ELF32_LOADMASK; + + linux_size = grub_elf32_size (elf, &base); + if (linux_size == 0) + return grub_errno; + target_addr = base; + /* Pad it; the kernel scribbles over memory beyond its load address. */ + linux_size += 0x100000; + argsoff = linux_size; + args_addr = target_addr + argsoff; + linux_size += grub_strlen (args) + 1; + + playground = grub_relocator32_alloc (linux_size); + if (!playground) + return grub_errno; + + grub_memcpy (playground + argsoff, args, grub_strlen (args) + 1); + + /* Now load the segments into the area we claimed. */ + auto grub_err_t offset_phdr (Elf32_Phdr *phdr, grub_addr_t *addr, int *do_load); + grub_err_t offset_phdr (Elf32_Phdr *phdr, grub_addr_t *addr, int *do_load) + { + if (phdr->p_type != PT_LOAD) + { + *do_load = 0; + return 0; + } + *do_load = 1; + + /* Linux's program headers incorrectly contain virtual addresses. + * Translate those to physical, and offset to the area we claimed. */ + *addr = phdr->p_paddr - base + playground; + return 0; + } + return grub_elf32_load (elf, offset_phdr, 0, 0); +} + +static grub_err_t +grub_linux_load64 (grub_elf_t elf) +{ + Elf64_Addr base; + int found_addr = 0; + int argsoff; + + /* Linux's entry point incorrectly contains a virtual address. */ + entry_addr = elf->ehdr.ehdr64.e_entry & ~ELF64_LOADMASK; + + linux_size = grub_elf64_size (elf, &base); + if (linux_size == 0) + return grub_errno; + target_addr = base; + /* Pad it; the kernel scribbles over memory beyond its load address. */ + linux_size += 0x100000; + argsoff = linux_size; + args_addr = target_addr + argsoff; + linux_size += grub_strlen (args) + 1; + + playground = grub_relocator32_alloc (linux_size); + if (!playground) + return grub_errno; + + grub_memcpy (playground + argsoff, args, grub_strlen (args) + 1); + + /* Now load the segments into the area we claimed. */ + auto grub_err_t offset_phdr (Elf64_Phdr *phdr, grub_addr_t *addr, int *do_load); + grub_err_t offset_phdr (Elf64_Phdr *phdr, grub_addr_t *addr, int *do_load) + { + if (phdr->p_type != PT_LOAD) + { + *do_load = 0; + return 0; + } + *do_load = 1; + /* Linux's program headers incorrectly contain virtual addresses. + * Translate those to physical, and offset to the area we claimed. */ + *addr = phdr->p_paddr - base + playground; + return 0; + } + return grub_elf64_load (elf, offset_phdr, 0, 0); +} + +static grub_err_t +grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_elf_t elf = 0; + int i; + int size; + char *dest; + + grub_dl_ref (my_mod); + + if (argc == 0) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "no kernel specified"); + goto out; + } + + elf = grub_elf_open (argv[0]); + if (! elf) + goto out; + + if (elf->ehdr.ehdr32.e_type != ET_EXEC) + { + grub_error (GRUB_ERR_UNKNOWN_OS, + "This ELF file is not of the right type\n"); + goto out; + } + + /* Release the previously used memory. */ + grub_loader_unset (); + + size = sizeof ("BOOT_IMAGE=") + grub_strlen (argv[0]); + for (i = 0; i < argc; i++) + size += grub_strlen (argv[i]) + 1; + + linux_args = grub_malloc (size); + if (! linux_args) + goto out; + + /* Specify the boot file. */ + dest = grub_stpcpy (linux_args, "BOOT_IMAGE="); + dest = grub_stpcpy (dest, argv[0]); + + for (i = 1; i < argc; i++) + { + *dest++ = ' '; + dest = grub_stpcpy (dest, argv[i]); + } + + if (grub_elf_is_elf32 (elf)) + grub_linux_load32 (elf, linux_args); + else + if (grub_elf_is_elf64 (elf)) + grub_linux_load64 (elf, linux_args); + else + { + grub_error (GRUB_ERR_BAD_FILE_TYPE, "Unknown ELF class"); + goto out; + } + +out: + + if (elf) + grub_elf_close (elf); + + if (grub_errno != GRUB_ERR_NONE) + { + grub_linux_release_mem (); + grub_dl_unref (my_mod); + loaded = 0; + } + else + { + grub_loader_set (grub_linux_boot, grub_linux_unload, 1); + initrd_addr = 0; + loaded = 1; + } + + return grub_errno; +} + +static grub_err_t +grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), + int argc, char *argv[]) +{ + grub_file_t file = 0; + grub_ssize_t size; + grub_addr_t addr; + int found_addr = 0; + + if (argc == 0) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "no initrd specified"); + goto fail; + } + + if (!loaded) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "You need to load the kernel first."); + goto fail; + } + + file = grub_file_open (argv[0]); + if (! file) + return grub_errno; + + size = grub_file_size (file); + + playground = grub_relocator32_realloc (playground, linux_size + size); + if (!playground) + { + grub_file_close (file); + return grub_errno; + } + + grub_dprintf ("loader", "Loading initrd at 0x%x, size 0x%x\n", addr, size); + + if (grub_file_read (file, playground + linux_size, size) != size) + { + grub_error (GRUB_ERR_FILE_READ_ERROR, "Couldn't read file"); + grub_file_close (file); + + return grub_errno; + } + + initrd_addr = target_addr + linux_size; + initrd_size = size; + + grub_file_close (file); + + return GRUB_ERR_NONE; +} + +static grub_command_t cmd_linux, cmd_initrd; + +GRUB_MOD_INIT(linux) +{ + cmd_linux = grub_register_command ("linux", grub_cmd_linux, + 0, "load a linux kernel"); + cmd_initrd = grub_register_command ("initrd", grub_cmd_initrd, + 0, "load an initrd"); + my_mod = mod; +} + +GRUB_MOD_FINI(linux) +{ + grub_unregister_command (cmd_linux); + grub_unregister_command (cmd_initrd); +} From a45337b5d7bf769b9e1533b349ed597932b90126 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 17 Oct 2009 12:18:39 +0200 Subject: [PATCH 027/128] first linux boot --- conf/mips.rmk | 6 ++++++ lib/mips/relocator.c | 8 +++++--- lib/mips/relocator_asm.S | 4 ++++ loader/mips/linux.c | 20 +++++--------------- 4 files changed, 20 insertions(+), 18 deletions(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 46b74d68f..9920f6878 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -147,4 +147,10 @@ relocator_mod_CFLAGS = $(COMMON_CFLAGS) relocator_mod_ASFLAGS = $(COMMON_ASFLAGS) relocator_mod_LDFLAGS = $(COMMON_LDFLAGS) +pkglib_MODULES += linux.mod +linux_mod_SOURCES = loader/$(target_cpu)/linux.c +linux_mod_CFLAGS = $(COMMON_CFLAGS) +linux_mod_ASFLAGS = $(COMMON_ASFLAGS) +linux_mod_LDFLAGS = $(COMMON_LDFLAGS) + include $(srcdir)/conf/common.mk diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index 91e66893a..cc9d23f39 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -53,7 +53,7 @@ write_reg (int regn, grub_uint32_t val, void **target) *target = ((grub_uint32_t *) *target) + 1; /* addiu $r, $r, val. */ *(grub_uint32_t *) *target = (((0x2400 | regn << 5 | regn) << 16) - | ((val + 0x8000) >> 16)); + | (val & 0xffff)); *target = ((grub_uint32_t *) *target) + 1; } @@ -76,10 +76,11 @@ write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest, write_reg (4, size, &ptr); grub_memcpy (ptr, &grub_relocator32_backward_start, RELOCATOR_SRC_SIZEOF (backward)); + ptr = (grub_uint8_t *) ptr + RELOCATOR_SRC_SIZEOF (backward); for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); - ((void (*) ())ptr0) (); + ((void (*) ()) ptr0) (); } static void @@ -93,10 +94,11 @@ write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest, write_reg (4, size, &ptr); grub_memcpy (ptr, &grub_relocator32_forward_start, RELOCATOR_SRC_SIZEOF (forward)); + ptr = (grub_uint8_t *) ptr + RELOCATOR_SRC_SIZEOF (forward); for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); - ((void (*) ())ptr0) (); + ((void (*) ()) ptr0) (); } #include "../relocator.c" diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S index 24541e2d0..8dea8a4e3 100644 --- a/lib/mips/relocator_asm.S +++ b/lib/mips/relocator_asm.S @@ -30,6 +30,8 @@ VARIABLE (grub_relocator32_forward_start) copycont1: lb $5,0($2) sb $5,0($3) + addiu $2, $2, 0x1 + addiu $3, $3, 0x1 addiu $4, $4, 0xffff subu $5,$4,$0 bne $5, $0, copycont1 @@ -44,6 +46,8 @@ VARIABLE (grub_relocator32_backward_start) copycont2: lb $5,0($2) sb $5,0($3) + addiu $2, $2, 0xffff + addiu $3, $3, 0xffff addiu $4, 0xffff subu $5,$4,$0 bne $5, $0, copycont2 diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 6b94304a5..03e489bf7 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -45,7 +45,6 @@ static grub_addr_t target_addr, entry_addr, initrd_addr, args_addr; static grub_err_t grub_linux_boot (void) { - grub_ssize_t actual; struct grub_relocator32_state state; /* Boot the kernel. */ @@ -81,7 +80,6 @@ static grub_err_t grub_linux_load32 (grub_elf_t elf, char *args) { Elf32_Addr base; - int found_addr = 0; int argsoff; /* Linux's entry point incorrectly contains a virtual address. */ @@ -116,17 +114,16 @@ grub_linux_load32 (grub_elf_t elf, char *args) /* Linux's program headers incorrectly contain virtual addresses. * Translate those to physical, and offset to the area we claimed. */ - *addr = phdr->p_paddr - base + playground; + *addr = (grub_addr_t) (phdr->p_paddr - base + playground); return 0; } return grub_elf32_load (elf, offset_phdr, 0, 0); } static grub_err_t -grub_linux_load64 (grub_elf_t elf) +grub_linux_load64 (grub_elf_t elf, char *args) { Elf64_Addr base; - int found_addr = 0; int argsoff; /* Linux's entry point incorrectly contains a virtual address. */ @@ -160,7 +157,7 @@ grub_linux_load64 (grub_elf_t elf) *do_load = 1; /* Linux's program headers incorrectly contain virtual addresses. * Translate those to physical, and offset to the area we claimed. */ - *addr = phdr->p_paddr - base + playground; + *addr = (grub_addr_t) (phdr->p_paddr - base + playground); return 0; } return grub_elf64_load (elf, offset_phdr, 0, 0); @@ -254,19 +251,12 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), grub_file_t file = 0; grub_ssize_t size; grub_addr_t addr; - int found_addr = 0; if (argc == 0) - { - grub_error (GRUB_ERR_BAD_ARGUMENT, "no initrd specified"); - goto fail; - } + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no initrd specified"); if (!loaded) - { - grub_error (GRUB_ERR_BAD_ARGUMENT, "You need to load the kernel first."); - goto fail; - } + return grub_error (GRUB_ERR_BAD_ARGUMENT, "You need to load the kernel first."); file = grub_file_open (argv[0]); if (! file) From fdb3c3acb095033527ca5c4d337857d559e15283 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 00:22:15 +0200 Subject: [PATCH 028/128] simplify mipsel handling --- configure.ac | 4 ---- include/grub/mips/types.h | 6 ++---- 2 files changed, 2 insertions(+), 8 deletions(-) diff --git a/configure.ac b/configure.ac index 98750280e..f0aeb1aa8 100644 --- a/configure.ac +++ b/configure.ac @@ -100,12 +100,8 @@ case "$target_cpu" in i386 | powerpc) target_m32=1 ;; x86_64 | sparc64) target_m64=1 ;; mipsel) - TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPSEL=1"; - CFLAGS="$CFLAGS -DGRUB_CPU_MIPSEL=1"; target_cpu=mips ;; mips) - TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPS=1"; - CFLAGS="$CFLAGS -DGRUB_CPU_MIPS=1"; target_cpu=mips ;; esac diff --git a/include/grub/mips/types.h b/include/grub/mips/types.h index fe09afa3e..aed597451 100644 --- a/include/grub/mips/types.h +++ b/include/grub/mips/types.h @@ -25,14 +25,12 @@ /* The size of long. */ #define GRUB_TARGET_SIZEOF_LONG 4 -#ifdef GRUB_CPU_MIPSEL +#ifdef __MIPSEL__ /* mipsEL is little-endian. */ #undef GRUB_TARGET_WORDS_BIGENDIAN -#elif defined (GRUB_CPU_MIPS) +#else /* mips is big-endian. */ #define GRUB_TARGET_WORDS_BIGENDIAN -#elif !defined (GRUB_SYMBOL_GENERATOR) -#error Neither GRUB_CPU_MIPS nor GRUB_CPU_MIPSEL is defined #endif #endif /* ! GRUB_TYPES_CPU_HEADER */ From be320b471f23cdde2be971dd68c80c59a43579f9 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 00:23:00 +0200 Subject: [PATCH 029/128] cache handling --- kern/mips/cache.S | 6 +++++- lib/mips/relocator_asm.S | 6 ++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/kern/mips/cache.S b/kern/mips/cache.S index f613f57f2..ec13a9b95 100644 --- a/kern/mips/cache.S +++ b/kern/mips/cache.S @@ -1,5 +1,9 @@ #include -FUNCTION (grub_arch_sync_caches) + /* FIXME: This should invalidate only part of memory. */ FUNCTION (grub_cpu_flush_cache) +FUNCTION (grub_arch_sync_caches) +#if __mips >= 2 + sync +#endif j $31 diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S index 8dea8a4e3..5503b4032 100644 --- a/lib/mips/relocator_asm.S +++ b/lib/mips/relocator_asm.S @@ -35,6 +35,9 @@ copycont1: addiu $4, $4, 0xffff subu $5,$4,$0 bne $5, $0, copycont1 +#if __mips >= 2 + sync +#endif VARIABLE (grub_relocator32_forward_end) VARIABLE (grub_relocator32_backward_start) @@ -51,4 +54,7 @@ copycont2: addiu $4, 0xffff subu $5,$4,$0 bne $5, $0, copycont2 +#if __mips >= 2 + sync +#endif VARIABLE (grub_relocator32_backward_end) From 4c7f8ce16d571bc86f6deef5b9eb4533cec71387 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 00:23:45 +0200 Subject: [PATCH 030/128] warning fixes --- lib/mips/relocator.c | 4 ++-- loader/mips/linux.c | 3 --- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index cc9d23f39..b0fb4b2a5 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -80,7 +80,7 @@ write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest, for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); - ((void (*) ()) ptr0) (); + ((void (*) (void)) ptr0) (); } static void @@ -98,7 +98,7 @@ write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest, for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); - ((void (*) ()) ptr0) (); + ((void (*) (void)) ptr0) (); } #include "../relocator.c" diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 03e489bf7..3e526c699 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -250,7 +250,6 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), { grub_file_t file = 0; grub_ssize_t size; - grub_addr_t addr; if (argc == 0) return grub_error (GRUB_ERR_BAD_ARGUMENT, "no initrd specified"); @@ -271,8 +270,6 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), return grub_errno; } - grub_dprintf ("loader", "Loading initrd at 0x%x, size 0x%x\n", addr, size); - if (grub_file_read (file, playground + linux_size, size) != size) { grub_error (GRUB_ERR_FILE_READ_ERROR, "Couldn't read file"); From 9385e55bddb8f4008b3ac4a9c87fc0d3f4949f09 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 00:24:17 +0200 Subject: [PATCH 031/128] warning fixes --- lib/relocator.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/relocator.c b/lib/relocator.c index 622adc517..e551f337f 100644 --- a/lib/relocator.c +++ b/lib/relocator.c @@ -75,8 +75,8 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest, overhead = ALIGN_UP (dest - RELOCATOR_SIZEOF (backward) - RELOCATOR_ALIGN, RELOCATOR_ALIGN); - write_call_relocator_bw (relocator - overhead, - relocator - overhead, + write_call_relocator_bw ((char *) relocator - overhead, + (char *) relocator - overhead, dest - overhead, size + overhead, state); } else @@ -86,7 +86,7 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest, overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN) + RELOCATOR_SIZEOF (forward) - (dest + size); - write_call_relocator_fw (relocator + size + overhead + write_call_relocator_fw ((char *) relocator + size + overhead - RELOCATOR_SIZEOF (forward), relocator, dest, size + overhead, state); } From d71b572aeaa8fd53524d66cc1a5eba354affac3a Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 00:25:22 +0200 Subject: [PATCH 032/128] empty loader.h added --- include/grub/mips/qemu-r4k/loader.h | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 include/grub/mips/qemu-r4k/loader.h diff --git a/include/grub/mips/qemu-r4k/loader.h b/include/grub/mips/qemu-r4k/loader.h new file mode 100644 index 000000000..e69de29bb From cba2cae2f5abbe76b6733389cb36cd37ce1f50cf Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 11:49:09 +0200 Subject: [PATCH 033/128] simplified serial --- include/grub/i386/coreboot/serial.h | 24 ++++++++++++++++++++++++ include/grub/i386/ieee1275/serial.h | 2 +- include/grub/mips/qemu-mipssim/serial.h | 24 ++++++++++++++++++++++++ include/grub/mips/qemu-r4k/serial.h | 24 ++++++++++++++++++++++++ term/serial.c | 10 ++-------- 5 files changed, 75 insertions(+), 9 deletions(-) create mode 100644 include/grub/i386/coreboot/serial.h create mode 100644 include/grub/mips/qemu-mipssim/serial.h create mode 100644 include/grub/mips/qemu-r4k/serial.h diff --git a/include/grub/i386/coreboot/serial.h b/include/grub/i386/coreboot/serial.h new file mode 100644 index 000000000..b6819d587 --- /dev/null +++ b/include/grub/i386/coreboot/serial.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_SERIAL_HEADER +#define GRUB_MACHINE_SERIAL_HEADER 1 + +#define GRUB_MACHINE_SERIAL_PORTS { 0x3f8, 0x2f8, 0x3e8, 0x2e8 } + +#endif diff --git a/include/grub/i386/ieee1275/serial.h b/include/grub/i386/ieee1275/serial.h index 2c527f626..2d8563414 100644 --- a/include/grub/i386/ieee1275/serial.h +++ b/include/grub/i386/ieee1275/serial.h @@ -1 +1 @@ -#include +#include diff --git a/include/grub/mips/qemu-mipssim/serial.h b/include/grub/mips/qemu-mipssim/serial.h new file mode 100644 index 000000000..55d64fec4 --- /dev/null +++ b/include/grub/mips/qemu-mipssim/serial.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_SERIAL_HEADER +#define GRUB_MACHINE_SERIAL_HEADER 1 + +#define GRUB_MACHINE_SERIAL_PORTS { 0x1fd003f8 } + +#endif diff --git a/include/grub/mips/qemu-r4k/serial.h b/include/grub/mips/qemu-r4k/serial.h new file mode 100644 index 000000000..1f8ce0804 --- /dev/null +++ b/include/grub/mips/qemu-r4k/serial.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_SERIAL_HEADER +#define GRUB_MACHINE_SERIAL_HEADER 1 + +#define GRUB_MACHINE_SERIAL_PORTS { 0x140003f8 } + +#endif diff --git a/term/serial.c b/term/serial.c index 30f8bb91a..648b5baf6 100644 --- a/term/serial.c +++ b/term/serial.c @@ -19,7 +19,6 @@ #include #include #include -//#include #include #include #include @@ -67,14 +66,9 @@ static struct serial_port serial_settings; #ifdef GRUB_MACHINE_PCBIOS static const unsigned short *serial_hw_io_addr = (const unsigned short *) GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR; #define GRUB_SERIAL_PORT_NUM 4 -#elif defined (GRUB_MACHINE_MIPS_QEMU_MIPSSIM) -static const grub_port_t serial_hw_io_addr[] = { 0x1fd003f8 }; -#define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) -#elif defined (GRUB_MACHINE_MIPS_QEMU_R4K) -static const grub_port_t serial_hw_io_addr[] = { 0x140003f8 }; -#define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) #else -static const grub_port_t serial_hw_io_addr[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; +#include +static const grub_port_t serial_hw_io_addr[] = GRUB_MACHINE_SERIAL_PORTS; #define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) #endif From 686135601f3d48d9cd795392ae8016887f54c8f2 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 11:50:40 +0200 Subject: [PATCH 034/128] simplified mips/mipsel --- configure.ac | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/configure.ac b/configure.ac index f0aeb1aa8..c02b8c0c9 100644 --- a/configure.ac +++ b/configure.ac @@ -46,6 +46,7 @@ AC_ARG_PROGRAM case "$target_cpu" in i[[3456]]86) target_cpu=i386 ;; sparc) target_cpu=sparc64 ;; + mipsel) target_cpu=mips ;; esac # Specify the platform (such as firmware). @@ -89,9 +90,7 @@ case "$target_cpu"-"$platform" in i386-qemu) ;; powerpc-ieee1275) ;; sparc64-ieee1275) ;; - mipsel-qemu-r4k) ;; mips-qemu-r4k) ;; - mipsel-qemu-mipssim) ;; mips-qemu-mipssim) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; esac @@ -99,10 +98,6 @@ esac case "$target_cpu" in i386 | powerpc) target_m32=1 ;; x86_64 | sparc64) target_m64=1 ;; - mipsel) - target_cpu=mips ;; - mips) - target_cpu=mips ;; esac case "$host_os" in From 1c2cdb26d36c374fe218e45e3966cc4942ed992c Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 12:04:20 +0200 Subject: [PATCH 035/128] yeeloong headers --- include/grub/mips/yeeloong/kernel.h | 35 ++++++++++++++++++ include/grub/mips/yeeloong/loader.h | 0 include/grub/mips/yeeloong/machine.h | 24 +++++++++++++ include/grub/mips/yeeloong/memory.h | 53 ++++++++++++++++++++++++++++ include/grub/mips/yeeloong/serial.h | 24 +++++++++++++ include/grub/mips/yeeloong/time.h | 34 ++++++++++++++++++ 6 files changed, 170 insertions(+) create mode 100644 include/grub/mips/yeeloong/kernel.h create mode 100644 include/grub/mips/yeeloong/loader.h create mode 100644 include/grub/mips/yeeloong/machine.h create mode 100644 include/grub/mips/yeeloong/memory.h create mode 100644 include/grub/mips/yeeloong/serial.h create mode 100644 include/grub/mips/yeeloong/time.h diff --git a/include/grub/mips/yeeloong/kernel.h b/include/grub/mips/yeeloong/kernel.h new file mode 100644 index 000000000..6a10f2df1 --- /dev/null +++ b/include/grub/mips/yeeloong/kernel.h @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_KERNEL_MACHINE_HEADER +#define GRUB_KERNEL_MACHINE_HEADER 1 + +#include + +#ifndef ASM_FILE + +void EXPORT_FUNC (grub_reboot) (void); +void EXPORT_FUNC (grub_halt) (void); + +/* The prefix which points to the directory where GRUB modules and its + configuration file are located. */ +extern char grub_prefix[]; + +#endif + +#endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/mips/yeeloong/loader.h b/include/grub/mips/yeeloong/loader.h new file mode 100644 index 000000000..e69de29bb diff --git a/include/grub/mips/yeeloong/machine.h b/include/grub/mips/yeeloong/machine.h new file mode 100644 index 000000000..9f29b4a46 --- /dev/null +++ b/include/grub/mips/yeeloong/machine.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_MACHINE_HEADER +#define GRUB_MACHINE_MACHINE_HEADER 1 + +#define GRUB_MACHINE_MIPS_YEELOONG 1 + +#endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/include/grub/mips/yeeloong/memory.h b/include/grub/mips/yeeloong/memory.h new file mode 100644 index 000000000..72ebcefa4 --- /dev/null +++ b/include/grub/mips/yeeloong/memory.h @@ -0,0 +1,53 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MEMORY_MACHINE_HEADER +#define GRUB_MEMORY_MACHINE_HEADER 1 + +#ifndef ASM_FILE +#include +#include +#include +#endif + +#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x801ffff0 + +#define GRUB_MACHINE_MEMORY_AVAILABLE 1 + +#ifndef ASM_FILE +grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate) +(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); +grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) + (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); + +static inline grub_err_t +grub_machine_mmap_register (grub_uint64_t start __attribute__ ((unused)), + grub_uint64_t size __attribute__ ((unused)), + int type __attribute__ ((unused)), + int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} +static inline grub_err_t +grub_machine_mmap_unregister (int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} +#endif + +#endif diff --git a/include/grub/mips/yeeloong/serial.h b/include/grub/mips/yeeloong/serial.h new file mode 100644 index 000000000..9390ea18a --- /dev/null +++ b/include/grub/mips/yeeloong/serial.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_SERIAL_HEADER +#define GRUB_MACHINE_SERIAL_HEADER 1 + +#define GRUB_MACHINE_SERIAL_PORTS { 0xbff003f8 } + +#endif diff --git a/include/grub/mips/yeeloong/time.h b/include/grub/mips/yeeloong/time.h new file mode 100644 index 000000000..a73f64dea --- /dev/null +++ b/include/grub/mips/yeeloong/time.h @@ -0,0 +1,34 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_MACHINE_TIME_HEADER +#define KERNEL_MACHINE_TIME_HEADER 1 + +#include + +#define GRUB_TICKS_PER_SECOND 1000 + +/* Return the real time in ticks. */ +grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); + +static inline void +grub_cpu_idle(void) +{ +} + +#endif /* ! KERNEL_MACHINE_TIME_HEADER */ From 8adc0f006054961979de55e5a607b570398def09 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 12:08:52 +0200 Subject: [PATCH 036/128] unified startup.S --- kern/mips/qemu-mipssim/startup.S | 55 ------------------------------ kern/mips/{qemu-r4k => }/startup.S | 0 2 files changed, 55 deletions(-) delete mode 100644 kern/mips/qemu-mipssim/startup.S rename kern/mips/{qemu-r4k => }/startup.S (100%) diff --git a/kern/mips/qemu-mipssim/startup.S b/kern/mips/qemu-mipssim/startup.S deleted file mode 100644 index 36c5fabd7..000000000 --- a/kern/mips/qemu-mipssim/startup.S +++ /dev/null @@ -1,55 +0,0 @@ -/* startup.S - Startup code for the MIPS. */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#include -#include -#include - -.extern __bss_start -.extern _end - - .globl __start, _start, start -__start: -_start: -start: - b codestart - . = _start + GRUB_KERNEL_CPU_PREFIX - -VARIABLE(grub_prefix) - /* to be filled by grub-mkelfimage */ - - /* - * Leave some breathing room for the prefix. - */ - - . = _start + GRUB_KERNEL_CPU_DATA_END -codestart: - lui $t1, %hi(__bss_start) - addiu $t1, %lo(__bss_start) - lui $t2, %hi(_end) - addiu $t2, %lo(_end) - -bsscont: - sb $0,0($t1) - addiu $t1,$t1,1 - sltu $t3,$t1,$t2 - bne $t3, $t0, bsscont - - li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH - b grub_main \ No newline at end of file diff --git a/kern/mips/qemu-r4k/startup.S b/kern/mips/startup.S similarity index 100% rename from kern/mips/qemu-r4k/startup.S rename to kern/mips/startup.S From ad17a401d69c7971ac83e449d6dc7d3fbeb6acc8 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 14:10:31 +0200 Subject: [PATCH 037/128] new image format for mips. Asm part --- conf/mips.rmk | 5 +- configure.ac | 2 + genmk.rb | 2 +- include/grub/mips/kernel.h | 12 +++-- kern/mips/startup.S | 98 +++++++++++++++++++++++++++++++------- 5 files changed, 94 insertions(+), 25 deletions(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 9920f6878..a76ecac14 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -26,7 +26,7 @@ kernel_syms.lst: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h genke /bin/sh genkernsyms.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1) # Programs -pkglib_PROGRAMS = kernel.img +pkglib_IMAGES = kernel.img # Utilities. sbin_UTILITIES = grub-mkdevicemap @@ -84,7 +84,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ grub_emu_LDFLAGS = $(LIBCURSES) -kernel_img_SOURCES = kern/$(target_cpu)/$(target_machine)/startup.S \ +kernel_img_SOURCES = kern/$(target_cpu)/startup.S \ kern/main.c kern/device.c kern/$(target_cpu)/$(target_machine)/init.c \ kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ kern/misc.c kern/mm.c kern/reader.c kern/term.c \ @@ -97,6 +97,7 @@ kernel_img_CFLAGS = $(COMMON_CFLAGS) kernel_img_ASFLAGS = $(COMMON_ASFLAGS) kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -static-libgcc -lgcc \ -Wl,-N,-S,-Ttext,$(LINK_BASE),-Bstatic +kernel_img_FORMAT = binary # Scripts. sbin_SCRIPTS = diff --git a/configure.ac b/configure.ac index c02b8c0c9..f13cac52a 100644 --- a/configure.ac +++ b/configure.ac @@ -64,6 +64,7 @@ if test "x$with_platform" = x; then powerpc-*) platform=ieee1275 ;; powerpc64-*) platform=ieee1275 ;; sparc64-*) platform=ieee1275 ;; + mips-*) platform=yeeloong ;; *) AC_MSG_ERROR([unsupported CPU: "$target_cpu"]) ;; esac else @@ -92,6 +93,7 @@ case "$target_cpu"-"$platform" in sparc64-ieee1275) ;; mips-qemu-r4k) ;; mips-qemu-mipssim) ;; + mips-yeeloong) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; esac diff --git a/genmk.rb b/genmk.rb index 71b57816f..c608707b7 100644 --- a/genmk.rb +++ b/genmk.rb @@ -68,7 +68,7 @@ MOSTLYCLEAN_IMAGE_TARGETS += mostlyclean-image-#{@name}.#{@rule_count} ifneq ($(TARGET_APPLE_CC),1) #{@name}: #{exe} - $(OBJCOPY) -O $(#{prefix}_FORMAT) --strip-unneeded -R .note -R .comment -R .note.gnu.build-id $< $@ + $(OBJCOPY) -O $(#{prefix}_FORMAT) --strip-unneeded -R .note -R .comment -R .note.gnu.build-id -R .reginfo -R .rel.dyn $< $@ else ifneq (#{exe},kernel.exec) #{@name}: #{exe} ./grub-macho2img diff --git a/include/grub/mips/kernel.h b/include/grub/mips/kernel.h index 326f1244d..3b578ef05 100644 --- a/include/grub/mips/kernel.h +++ b/include/grub/mips/kernel.h @@ -20,13 +20,15 @@ #define GRUB_KERNEL_CPU_HEADER 1 #define GRUB_MOD_ALIGN 0x1000 +/* Non-zero value is only needed for PowerMacs. */ +#define GRUB_MOD_GAP 0x0 -/* Minimal gap between _end and the start of the modules. It's a hack - for PowerMac to prevent "CLAIM failed" error. The real fix is to - rewrite grub-mkimage to generate valid ELF files. */ -#define GRUB_MOD_GAP 0x8000 +#define GRUB_KERNEL_CPU_RAW_SIZE 0x100 +#define GRUB_KERNEL_CPU_COMPRESSED_SIZE 0x8 +#define GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE 0xc +#define GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE 0x10 -#define GRUB_KERNEL_CPU_PREFIX 0x8 +#define GRUB_KERNEL_CPU_PREFIX 0x0 #define GRUB_KERNEL_CPU_DATA_END 0x48 #endif diff --git a/kern/mips/startup.S b/kern/mips/startup.S index 19de4779d..545aae32a 100644 --- a/kern/mips/startup.S +++ b/kern/mips/startup.S @@ -21,6 +21,8 @@ #include #include +#define BASE_ADDR 8 + .extern __bss_start .extern _end @@ -28,8 +30,84 @@ __start: _start: start: - b codestart - . = _start + GRUB_KERNEL_CPU_PREFIX + bal codestart + . = _start + GRUB_KERNEL_CPU_COMPRESSED_SIZE +compressed_size: + .long 0 + . = _start + GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE +total_module_size: + .long 0 + . = _start + GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE +kernel_image_size: + .long 0 +codestart: + /* Decompress the payload. */ + addiu $t2, $ra, GRUB_KERNEL_CPU_RAW_SIZE - BASE_ADDR + lui $t1, %hi(compressed) + addiu $t1, %lo(compressed) + lw $t3, (GRUB_KERNEL_CPU_COMPRESSED_SIZE - BASE_ADDR)($ra) + + /* $t2 contains source compressed address, $t1 is destination, + $t3 is compressed size. FIXME: put LZMA here. Don't clober $ra + */ +reloccont: + lb $t4, 0($t2) + sb $t4, 0($t1) + addiu $t1,$t1,1 + addiu $t2,$t2,1 + addiu $t3, 0xffff + bne $t3, $0, reloccont + + /* Move the modules out of BSS. */ + lui $t1, %hi(compressed) + addiu $t1, %lo(compressed) + lw $t2, (GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE - BASE_ADDR)($ra) + addu $t2, $t1, $t2 + + lui $t1, %hi(_end) + addiu $t1, %lo(_end) + addiu $t1, (GRUB_MOD_ALIGN-1) + li $t3, (GRUB_MOD_ALIGN-1) + nor $t3, $t3, $0 + and $t1, $t1, $t3 + /* Pass modules address as first argument. */ + move $a0, $t1 + + lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($ra) + + /* $t2 is source. $t1 is destination. $t3 is size. */ +modulesmovcont: + lb $t4, 0($t2) + sb $t4, 0($t1) + addiu $t1,$t1,1 + addiu $t2,$t2,1 + addiu $t3, 0xffff + bne $t3, $0, modulesmovcont + + /* Clean BSS. */ + + lui $t1, %hi(__bss_start) + addiu $t1, %lo(__bss_start) + lui $t2, %hi(_end) + addiu $t2, %lo(_end) +bsscont: + sb $0,0($t1) + addiu $t1,$t1,1 + sltu $t3,$t1,$t2 + bne $t3, $0, bsscont + + li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH + lui $t1, %hi(grub_main) + addiu $t1, %lo(grub_main) + +#if __mips >= 2 + sync +#endif + jr $t1 + + . = _start + GRUB_KERNEL_CPU_RAW_SIZE +compressed: + . = _start + GRUB_KERNEL_CPU_RAW_SIZE + GRUB_KERNEL_CPU_PREFIX VARIABLE(grub_prefix) /* to be filled by grub-mkelfimage */ @@ -38,18 +116,4 @@ VARIABLE(grub_prefix) * Leave some breathing room for the prefix. */ - . = _start + GRUB_KERNEL_CPU_DATA_END -codestart: - lui $t1, %hi(__bss_start) - addiu $t1, %lo(__bss_start) - lui $t2, %hi(_end) - addiu $t2, %lo(_end) - -bsscont: - sb $0,0($t1) - addiu $t1,$t1,1 - sltu $t3,$t1,$t2 - bne $3, $0, bsscont - - li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH - b grub_main \ No newline at end of file + . = _start + GRUB_KERNEL_CPU_RAW_SIZE + GRUB_KERNEL_CPU_DATA_END From a9a6948ac34717504d719984d3d13c4755ea3c47 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 15:04:14 +0200 Subject: [PATCH 038/128] grub as flash for qemu-gdium --- conf/i386-pc.rmk | 2 +- conf/mips.rmk | 7 +++++++ include/grub/mips/kernel.h | 20 +++++++++++++++++-- include/grub/mips/qemu-r4k/kernel.h | 1 + include/grub/mips/yeeloong/kernel.h | 5 +---- include/grub/mips/yeeloong/memory.h | 1 + kern/main.c | 1 + kern/mips/startup.S | 10 +++++----- kern/term.c | 5 ++++- .../pc/grub-mkimage.c => grub-mkrawimage.c} | 10 +++++++--- 10 files changed, 46 insertions(+), 16 deletions(-) rename util/{i386/pc/grub-mkimage.c => grub-mkrawimage.c} (98%) diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk index c4a4e7754..74125eaa5 100644 --- a/conf/i386-pc.rmk +++ b/conf/i386-pc.rmk @@ -87,7 +87,7 @@ sbin_UTILITIES += grub-emu endif # For grub-mkimage. -grub_mkimage_SOURCES = util/i386/pc/grub-mkimage.c util/misc.c \ +grub_mkimage_SOURCES = util/grub-mkrawimage.c util/misc.c \ util/resolve.c lib/LzmaEnc.c lib/LzFind.c grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR) util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile diff --git a/conf/mips.rmk b/conf/mips.rmk index a76ecac14..553256a9b 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -103,6 +103,13 @@ kernel_img_FORMAT = binary sbin_SCRIPTS = bin_SCRIPTS = +# For grub-mkimage. +bin_UTILITIES += grub-mkimage +grub_mkimage_SOURCES = util/grub-mkrawimage.c util/misc.c \ + util/resolve.c lib/LzmaEnc.c lib/LzFind.c +grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR) +util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile + # Modules. pkglib_MODULES = memdisk.mod \ lsmmap.mod diff --git a/include/grub/mips/kernel.h b/include/grub/mips/kernel.h index 3b578ef05..4a7c9293c 100644 --- a/include/grub/mips/kernel.h +++ b/include/grub/mips/kernel.h @@ -28,7 +28,23 @@ #define GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE 0xc #define GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE 0x10 -#define GRUB_KERNEL_CPU_PREFIX 0x0 -#define GRUB_KERNEL_CPU_DATA_END 0x48 +#define GRUB_KERNEL_CPU_PREFIX GRUB_KERNEL_CPU_RAW_SIZE +#define GRUB_KERNEL_CPU_DATA_END GRUB_KERNEL_CPU_RAW_SIZE + 0x48 + +#define GRUB_KERNEL_MACHINE_RAW_SIZE GRUB_KERNEL_CPU_RAW_SIZE + +#define GRUB_KERNEL_MACHINE_PREFIX GRUB_KERNEL_CPU_PREFIX +#define GRUB_KERNEL_MACHINE_DATA_END GRUB_KERNEL_CPU_DATA_END +#define GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE +#define GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE +#define GRUB_KERNEL_MACHINE_COMPRESSED_SIZE GRUB_KERNEL_CPU_COMPRESSED_SIZE + +#ifndef ASM_FILE + +/* The prefix which points to the directory where GRUB modules and its + configuration file are located. */ +extern char grub_prefix[]; + +#endif #endif diff --git a/include/grub/mips/qemu-r4k/kernel.h b/include/grub/mips/qemu-r4k/kernel.h index 6a10f2df1..dbf74c1b2 100644 --- a/include/grub/mips/qemu-r4k/kernel.h +++ b/include/grub/mips/qemu-r4k/kernel.h @@ -20,6 +20,7 @@ #define GRUB_KERNEL_MACHINE_HEADER 1 #include +#include #ifndef ASM_FILE diff --git a/include/grub/mips/yeeloong/kernel.h b/include/grub/mips/yeeloong/kernel.h index 6a10f2df1..230455dbf 100644 --- a/include/grub/mips/yeeloong/kernel.h +++ b/include/grub/mips/yeeloong/kernel.h @@ -20,16 +20,13 @@ #define GRUB_KERNEL_MACHINE_HEADER 1 #include +#include #ifndef ASM_FILE void EXPORT_FUNC (grub_reboot) (void); void EXPORT_FUNC (grub_halt) (void); -/* The prefix which points to the directory where GRUB modules and its - configuration file are located. */ -extern char grub_prefix[]; - #endif #endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/mips/yeeloong/memory.h b/include/grub/mips/yeeloong/memory.h index 72ebcefa4..bc8f47b12 100644 --- a/include/grub/mips/yeeloong/memory.h +++ b/include/grub/mips/yeeloong/memory.h @@ -26,6 +26,7 @@ #endif #define GRUB_MACHINE_MEMORY_STACK_HIGH 0x801ffff0 +#define GRUB_MACHINE_MEMORY_USABLE 0x81000000 #define GRUB_MACHINE_MEMORY_AVAILABLE 1 diff --git a/kern/main.c b/kern/main.c index 9215d55e7..31dc0a36a 100644 --- a/kern/main.c +++ b/kern/main.c @@ -48,6 +48,7 @@ grub_module_iterate (int (*hook) (struct grub_module_header *header)) header < (struct grub_module_header *) (modbase + modinfo->size); header = (struct grub_module_header *) ((char *) header + header->size)) { + grub_printf ("%p:", header); if (hook (header)) break; } diff --git a/kern/mips/startup.S b/kern/mips/startup.S index 545aae32a..b31b49331 100644 --- a/kern/mips/startup.S +++ b/kern/mips/startup.S @@ -59,8 +59,8 @@ reloccont: bne $t3, $0, reloccont /* Move the modules out of BSS. */ - lui $t1, %hi(compressed) - addiu $t1, %lo(compressed) + lui $t1, %hi(_start) + addiu $t1, %lo(_start) lw $t2, (GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE - BASE_ADDR)($ra) addu $t2, $t1, $t2 @@ -71,7 +71,7 @@ reloccont: nor $t3, $t3, $0 and $t1, $t1, $t3 /* Pass modules address as first argument. */ - move $a0, $t1 +// move $a0, $t1 lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($ra) @@ -107,7 +107,7 @@ bsscont: . = _start + GRUB_KERNEL_CPU_RAW_SIZE compressed: - . = _start + GRUB_KERNEL_CPU_RAW_SIZE + GRUB_KERNEL_CPU_PREFIX + . = _start + GRUB_KERNEL_CPU_PREFIX VARIABLE(grub_prefix) /* to be filled by grub-mkelfimage */ @@ -116,4 +116,4 @@ VARIABLE(grub_prefix) * Leave some breathing room for the prefix. */ - . = _start + GRUB_KERNEL_CPU_RAW_SIZE + GRUB_KERNEL_CPU_DATA_END + . = _start + GRUB_KERNEL_CPU_DATA_END diff --git a/kern/term.c b/kern/term.c index 0e3595df3..271cf8d78 100644 --- a/kern/term.c +++ b/kern/term.c @@ -51,7 +51,10 @@ grub_putcode (grub_uint32_t code) int height = grub_getwh () & 255; if (!grub_cur_term_output) - return; + { + *(grub_uint8_t *)0xbff003f8 = code; + return; + } if (code == '\t' && grub_cur_term_output->getxy) { diff --git a/util/i386/pc/grub-mkimage.c b/util/grub-mkrawimage.c similarity index 98% rename from util/i386/pc/grub-mkimage.c rename to util/grub-mkrawimage.c index 15168f8fa..0d26e3cf4 100644 --- a/util/i386/pc/grub-mkimage.c +++ b/util/grub-mkrawimage.c @@ -93,10 +93,10 @@ static void generate_image (const char *dir, char *prefix, FILE *out, char *mods[], char *memdisk_path, char *config_path) { - char *kernel_img, *boot_img, *core_img; - size_t kernel_size, boot_size, total_module_size, core_size; + char *kernel_img, *core_img; + size_t kernel_size, total_module_size, core_size; size_t memdisk_size = 0, config_size = 0; - char *kernel_path, *boot_path; + char *kernel_path; size_t offset; struct grub_util_path_list *path_list, *p, *next; struct grub_module_info *modinfo; @@ -198,6 +198,8 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], #if defined(GRUB_MACHINE_PCBIOS) { unsigned num; + char *boot_path, *boot_img; + size_t boot_size; num = ((core_size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS); if (num > 0xffff) grub_util_error ("the core image is too big"); @@ -222,6 +224,8 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], { char *rom_img; size_t rom_size; + char *boot_path, *boot_img; + size_t boot_size; boot_path = grub_util_get_path (dir, "boot.img"); boot_size = grub_util_get_image_size (boot_path); From 4a1eefb623104fe61c88f17db2d2dbb13d44a038 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 15:06:47 +0200 Subject: [PATCH 039/128] Revert "simplify mipsel handling" This reverts commit 3451c43f4938a20aee5a2c0d0fa17c29e40b989b. Conflicts: configure.ac --- configure.ac | 11 ++++++++++- include/grub/mips/types.h | 6 ++++-- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/configure.ac b/configure.ac index f13cac52a..abfcf92e7 100644 --- a/configure.ac +++ b/configure.ac @@ -46,7 +46,16 @@ AC_ARG_PROGRAM case "$target_cpu" in i[[3456]]86) target_cpu=i386 ;; sparc) target_cpu=sparc64 ;; - mipsel) target_cpu=mips ;; + mipsel) + target_cpu=mips; + TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPSEL=1"; + CFLAGS="$CFLAGS -DGRUB_CPU_MIPSEL=1"; + ;; + mips) + target_cpu=mips; + TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPS=1"; + CFLAGS="$CFLAGS -DGRUB_CPU_MIPS=1"; + ;; esac # Specify the platform (such as firmware). diff --git a/include/grub/mips/types.h b/include/grub/mips/types.h index aed597451..fe09afa3e 100644 --- a/include/grub/mips/types.h +++ b/include/grub/mips/types.h @@ -25,12 +25,14 @@ /* The size of long. */ #define GRUB_TARGET_SIZEOF_LONG 4 -#ifdef __MIPSEL__ +#ifdef GRUB_CPU_MIPSEL /* mipsEL is little-endian. */ #undef GRUB_TARGET_WORDS_BIGENDIAN -#else +#elif defined (GRUB_CPU_MIPS) /* mips is big-endian. */ #define GRUB_TARGET_WORDS_BIGENDIAN +#elif !defined (GRUB_SYMBOL_GENERATOR) +#error Neither GRUB_CPU_MIPS nor GRUB_CPU_MIPSEL is defined #endif #endif /* ! GRUB_TYPES_CPU_HEADER */ From 3dc648f724bde69f52249576c0189802d677a538 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 15:07:22 +0200 Subject: [PATCH 040/128] missing file --- kern/mips/yeeloong/init.c | 75 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 kern/mips/yeeloong/init.c diff --git a/kern/mips/yeeloong/init.c b/kern/mips/yeeloong/init.c new file mode 100644 index 000000000..eece6076c --- /dev/null +++ b/kern/mips/yeeloong/init.c @@ -0,0 +1,75 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define RAMSIZE (64 << 20) + +grub_uint32_t +grub_get_rtc (void) +{ + static int calln = 0; + return calln++; +} + +void +grub_machine_init (void) +{ + grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_USABLE, + RAMSIZE - (GRUB_MACHINE_MEMORY_USABLE & 0x7fffffff)); + grub_install_get_time_ms (grub_rtc_get_time_ms); +} + +void +grub_machine_fini (void) +{ +} + +void +grub_exit (void) +{ + while (1); +} + +void +grub_halt (void) +{ + while (1); +} + +void +grub_reboot (void) +{ + while (1); +} + +void +grub_machine_set_prefix (void) +{ + grub_env_set ("prefix", grub_prefix); +} + +extern char _end[]; + +grub_addr_t +grub_arch_modules_addr (void) +{ + return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); +} + +grub_err_t +grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, + grub_uint64_t, + grub_uint32_t)) +{ + hook (0, RAMSIZE, + GRUB_MACHINE_MEMORY_AVAILABLE); + return GRUB_ERR_NONE; +} From 877128fa4550b9ce69413bba2f9bd52e8080d91e Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 16:10:42 +0200 Subject: [PATCH 041/128] copy modules backwards --- kern/mips/startup.S | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/kern/mips/startup.S b/kern/mips/startup.S index b31b49331..fca319e22 100644 --- a/kern/mips/startup.S +++ b/kern/mips/startup.S @@ -75,12 +75,18 @@ reloccont: lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($ra) + /* Backward copy. */ + add $t1, $t1, $t3 + add $t2, $t2, $t3 + addiu $t1, $t1, 0xffff + addiu $t2, $t2, 0xffff + /* $t2 is source. $t1 is destination. $t3 is size. */ modulesmovcont: lb $t4, 0($t2) sb $t4, 0($t1) - addiu $t1,$t1,1 - addiu $t2,$t2,1 + addiu $t1,$t1,0xffff + addiu $t2,$t2,0xffff addiu $t3, 0xffff bne $t3, $0, modulesmovcont From 19f9e339c31e080cbae35fe1b808414c2a2eb2f8 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sun, 18 Oct 2009 16:15:04 +0200 Subject: [PATCH 042/128] revert changes to kern/main.c --- kern/main.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kern/main.c b/kern/main.c index 31dc0a36a..9215d55e7 100644 --- a/kern/main.c +++ b/kern/main.c @@ -48,7 +48,6 @@ grub_module_iterate (int (*hook) (struct grub_module_header *header)) header < (struct grub_module_header *) (modbase + modinfo->size); header = (struct grub_module_header *) ((char *) header + header->size)) { - grub_printf ("%p:", header); if (hook (header)) break; } From 65aa1698d3bb704f9fa6cb33bfd96ed99beb0156 Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 12:58:52 +0200 Subject: [PATCH 043/128] use $t9 instead of $ra as a base register --- kern/mips/startup.S | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/kern/mips/startup.S b/kern/mips/startup.S index fca319e22..afab3642e 100644 --- a/kern/mips/startup.S +++ b/kern/mips/startup.S @@ -42,13 +42,14 @@ kernel_image_size: .long 0 codestart: /* Decompress the payload. */ - addiu $t2, $ra, GRUB_KERNEL_CPU_RAW_SIZE - BASE_ADDR + move $t9, $ra + addiu $t2, $t9, GRUB_KERNEL_CPU_RAW_SIZE - BASE_ADDR lui $t1, %hi(compressed) addiu $t1, %lo(compressed) - lw $t3, (GRUB_KERNEL_CPU_COMPRESSED_SIZE - BASE_ADDR)($ra) + lw $t3, (GRUB_KERNEL_CPU_COMPRESSED_SIZE - BASE_ADDR)($t9) /* $t2 contains source compressed address, $t1 is destination, - $t3 is compressed size. FIXME: put LZMA here. Don't clober $ra + $t3 is compressed size. FIXME: put LZMA here. Don't clober $t9 */ reloccont: lb $t4, 0($t2) @@ -61,7 +62,7 @@ reloccont: /* Move the modules out of BSS. */ lui $t1, %hi(_start) addiu $t1, %lo(_start) - lw $t2, (GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE - BASE_ADDR)($ra) + lw $t2, (GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE - BASE_ADDR)($t9) addu $t2, $t1, $t2 lui $t1, %hi(_end) @@ -73,7 +74,7 @@ reloccont: /* Pass modules address as first argument. */ // move $a0, $t1 - lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($ra) + lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($t9) /* Backward copy. */ add $t1, $t1, $t3 From 0fc89efd85045a99121df5003e4745086fea620c Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 12:59:33 +0200 Subject: [PATCH 044/128] use $t0-$t3 as arguments for relocator --- lib/mips/relocator.c | 12 ++++++------ lib/mips/relocator_asm.S | 36 ++++++++++++++++++------------------ 2 files changed, 24 insertions(+), 24 deletions(-) diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index b0fb4b2a5..4a67418c4 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -71,9 +71,9 @@ write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest, { void *ptr = ptr0; int i; - write_reg (2, (grub_uint32_t) src, &ptr); - write_reg (3, dest, &ptr); - write_reg (4, size, &ptr); + write_reg (8, (grub_uint32_t) src, &ptr); + write_reg (9, dest, &ptr); + write_reg (10, size, &ptr); grub_memcpy (ptr, &grub_relocator32_backward_start, RELOCATOR_SRC_SIZEOF (backward)); ptr = (grub_uint8_t *) ptr + RELOCATOR_SRC_SIZEOF (backward); @@ -89,9 +89,9 @@ write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest, { void *ptr = ptr0; int i; - write_reg (2, (grub_uint32_t) src, &ptr); - write_reg (3, dest, &ptr); - write_reg (4, size, &ptr); + write_reg (8, (grub_uint32_t) src, &ptr); + write_reg (9, dest, &ptr); + write_reg (10, size, &ptr); grub_memcpy (ptr, &grub_relocator32_forward_start, RELOCATOR_SRC_SIZEOF (forward)); ptr = (grub_uint8_t *) ptr + RELOCATOR_SRC_SIZEOF (forward); diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S index 5503b4032..6f6108edc 100644 --- a/lib/mips/relocator_asm.S +++ b/lib/mips/relocator_asm.S @@ -28,32 +28,32 @@ VARIABLE (grub_relocator32_forward_start) copycont1: - lb $5,0($2) - sb $5,0($3) - addiu $2, $2, 0x1 - addiu $3, $3, 0x1 - addiu $4, $4, 0xffff - subu $5,$4,$0 - bne $5, $0, copycont1 + lb $11,0($8) + sb $11,0($9) + addiu $8, $8, 0x1 + addiu $9, $9, 0x1 + addiu $10, $10, 0xffff + subu $11,$10,$0 + bne $11, $0, copycont1 #if __mips >= 2 sync #endif VARIABLE (grub_relocator32_forward_end) VARIABLE (grub_relocator32_backward_start) - addu $3, $3, $4 - addu $2, $2, $4 + addu $9, $9, $10 + addu $8, $8, $10 /* Backward movsl is implicitly off-by-one. compensate that. */ - addiu $3, $3, 0xffff - addiu $2, $2, 0xffff + addiu $9, $9, 0xffff + addiu $8, $8, 0xffff copycont2: - lb $5,0($2) - sb $5,0($3) - addiu $2, $2, 0xffff - addiu $3, $3, 0xffff - addiu $4, 0xffff - subu $5,$4,$0 - bne $5, $0, copycont2 + lb $11,0($8) + sb $11,0($9) + addiu $8, $8, 0xffff + addiu $9, $9, 0xffff + addiu $10, 0xffff + subu $11,$10,$0 + bne $11, $0, copycont2 #if __mips >= 2 sync #endif From bb272a0f5db4b2ec075f25588f48b50dfe9b8387 Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 13:00:34 +0200 Subject: [PATCH 045/128] add linux argument passing --- loader/mips/linux.c | 130 ++++++++++++++++++++++---------------------- 1 file changed, 64 insertions(+), 66 deletions(-) diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 3e526c699..b04249767 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -37,10 +37,8 @@ static int loaded; static grub_size_t initrd_size; static grub_size_t linux_size; -static char *linux_args; - static grub_uint8_t *playground; -static grub_addr_t target_addr, entry_addr, initrd_addr, args_addr; +static grub_addr_t target_addr, entry_addr, initrd_addr, argc_addr, argv_addr; static grub_err_t grub_linux_boot (void) @@ -49,6 +47,8 @@ grub_linux_boot (void) /* Boot the kernel. */ state.gpr[1] = entry_addr; + state.gpr[4] = argc_addr; + state.gpr[5] = argv_addr; state.jumpreg = 1; grub_relocator32_boot (playground, target_addr, state); @@ -77,10 +77,10 @@ grub_linux_unload (void) } static grub_err_t -grub_linux_load32 (grub_elf_t elf, char *args) +grub_linux_load32 (grub_elf_t elf, void **extra_mem, grub_size_t extra_size) { Elf32_Addr base; - int argsoff; + int extraoff; /* Linux's entry point incorrectly contains a virtual address. */ entry_addr = elf->ehdr.ehdr32.e_entry & ~ELF32_LOADMASK; @@ -91,15 +91,15 @@ grub_linux_load32 (grub_elf_t elf, char *args) target_addr = base; /* Pad it; the kernel scribbles over memory beyond its load address. */ linux_size += 0x100000; - argsoff = linux_size; - args_addr = target_addr + argsoff; - linux_size += grub_strlen (args) + 1; + linux_size = ALIGN_UP (base + linux_size, 4) - base; + extraoff = linux_size; + linux_size += extra_size; playground = grub_relocator32_alloc (linux_size); if (!playground) return grub_errno; - grub_memcpy (playground + argsoff, args, grub_strlen (args) + 1); + *extra_mem = playground + extraoff; /* Now load the segments into the area we claimed. */ auto grub_err_t offset_phdr (Elf32_Phdr *phdr, grub_addr_t *addr, int *do_load); @@ -121,10 +121,10 @@ grub_linux_load32 (grub_elf_t elf, char *args) } static grub_err_t -grub_linux_load64 (grub_elf_t elf, char *args) +grub_linux_load64 (grub_elf_t elf, void **extra_mem, grub_size_t extra_size) { Elf64_Addr base; - int argsoff; + int extraoff; /* Linux's entry point incorrectly contains a virtual address. */ entry_addr = elf->ehdr.ehdr64.e_entry & ~ELF64_LOADMASK; @@ -135,15 +135,15 @@ grub_linux_load64 (grub_elf_t elf, char *args) target_addr = base; /* Pad it; the kernel scribbles over memory beyond its load address. */ linux_size += 0x100000; - argsoff = linux_size; - args_addr = target_addr + argsoff; - linux_size += grub_strlen (args) + 1; + linux_size = ALIGN_UP (base + linux_size, 4) - base; + extraoff = linux_size; + linux_size += extra_size; playground = grub_relocator32_alloc (linux_size); if (!playground) return grub_errno; - grub_memcpy (playground + argsoff, args, grub_strlen (args) + 1); + *extra_mem = playground + extraoff; /* Now load the segments into the area we claimed. */ auto grub_err_t offset_phdr (Elf64_Phdr *phdr, grub_addr_t *addr, int *do_load); @@ -170,78 +170,76 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), grub_elf_t elf = 0; int i; int size; - char *dest; - - grub_dl_ref (my_mod); + void *extra; + grub_uint32_t *linux_argv; + char *linux_args; + grub_err_t err; if (argc == 0) - { - grub_error (GRUB_ERR_BAD_ARGUMENT, "no kernel specified"); - goto out; - } + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no kernel specified"); elf = grub_elf_open (argv[0]); if (! elf) - goto out; + return grub_errno; if (elf->ehdr.ehdr32.e_type != ET_EXEC) { - grub_error (GRUB_ERR_UNKNOWN_OS, - "This ELF file is not of the right type\n"); - goto out; + grub_elf_close (elf); + return grub_error (GRUB_ERR_UNKNOWN_OS, + "This ELF file is not of the right type\n"); } /* Release the previously used memory. */ grub_loader_unset (); + loaded = 0; - size = sizeof ("BOOT_IMAGE=") + grub_strlen (argv[0]); - for (i = 0; i < argc; i++) - size += grub_strlen (argv[i]) + 1; + size = sizeof (grub_uint32_t) * argc + ALIGN_UP (sizeof ("g"), 4) + + sizeof (grub_uint32_t); + for (i = 1; i < argc; i++) + size += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); - linux_args = grub_malloc (size); - if (! linux_args) - goto out; + if (grub_elf_is_elf32 (elf)) + err = grub_linux_load32 (elf, &extra, size); + else + if (grub_elf_is_elf64 (elf)) + err = grub_linux_load64 (elf, &extra, size); + else + err = grub_error (GRUB_ERR_BAD_FILE_TYPE, "Unknown ELF class"); - /* Specify the boot file. */ - dest = grub_stpcpy (linux_args, "BOOT_IMAGE="); - dest = grub_stpcpy (dest, argv[0]); + grub_elf_close (elf); + + if (err) + return err; + + *(grub_uint32_t *) extra = argc; + argc_addr = (grub_uint8_t *) extra - (grub_uint8_t *) playground + + target_addr; + extra = (grub_uint32_t *) extra + 1; + linux_argv = extra; + argv_addr = (grub_uint8_t *) linux_argv - (grub_uint8_t *) playground + + target_addr; + extra = linux_argv + argc; + linux_args = extra; + + *linux_argv = (grub_uint32_t) linux_args; + grub_memcpy (linux_args, "g", sizeof ("g")); + linux_args += ALIGN_UP (sizeof ("g"), 4); + linux_argv++; for (i = 1; i < argc; i++) { - *dest++ = ' '; - dest = grub_stpcpy (dest, argv[i]); + *linux_argv = (grub_uint32_t) linux_args; + grub_memcpy (linux_args, argv[i], grub_strlen (argv[i]) + 1); + linux_args += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); + linux_argv++; } - if (grub_elf_is_elf32 (elf)) - grub_linux_load32 (elf, linux_args); - else - if (grub_elf_is_elf64 (elf)) - grub_linux_load64 (elf, linux_args); - else - { - grub_error (GRUB_ERR_BAD_FILE_TYPE, "Unknown ELF class"); - goto out; - } + grub_loader_set (grub_linux_boot, grub_linux_unload, 1); + initrd_addr = 0; + loaded = 1; + grub_dl_ref (my_mod); -out: - - if (elf) - grub_elf_close (elf); - - if (grub_errno != GRUB_ERR_NONE) - { - grub_linux_release_mem (); - grub_dl_unref (my_mod); - loaded = 0; - } - else - { - grub_loader_set (grub_linux_boot, grub_linux_unload, 1); - initrd_addr = 0; - loaded = 1; - } - - return grub_errno; + return GRUB_ERR_NONE; } static grub_err_t From e145631831d8fb04dae96a4a106d8a1f901e90ac Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 13:03:38 +0200 Subject: [PATCH 046/128] pci for yeeloong --- include/grub/mips/pci.h | 71 +------------------------------- include/grub/mips/yeeloong/pci.h | 71 ++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+), 70 deletions(-) create mode 100644 include/grub/mips/yeeloong/pci.h diff --git a/include/grub/mips/pci.h b/include/grub/mips/pci.h index 38a95a467..8b49d8479 100644 --- a/include/grub/mips/pci.h +++ b/include/grub/mips/pci.h @@ -1,70 +1 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2008 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_CPU_PCI_H -#define GRUB_CPU_PCI_H 1 - -#include -#include - -#define GRUB_PCI_ADDR_REG 0x14000cf8 -#define GRUB_PCI_DATA_REG 0x14000cfc - -static inline grub_uint32_t -grub_pci_read (grub_pci_address_t addr) -{ - grub_outl (addr, GRUB_PCI_ADDR_REG); - return grub_inl (GRUB_PCI_DATA_REG); -} - -static inline grub_uint16_t -grub_pci_read_word (grub_pci_address_t addr) -{ - grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); - return grub_inw (GRUB_PCI_DATA_REG + (addr & 3)); -} - -static inline grub_uint8_t -grub_pci_read_byte (grub_pci_address_t addr) -{ - grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); - return grub_inb (GRUB_PCI_DATA_REG + (addr & 3)); -} - -static inline void -grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) -{ - grub_outl (addr, GRUB_PCI_ADDR_REG); - grub_outl (data, GRUB_PCI_DATA_REG); -} - -static inline void -grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) -{ - grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); - grub_outw (data, GRUB_PCI_DATA_REG + (addr & 3)); -} - -static inline void -grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) -{ - grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); - grub_outb (data, GRUB_PCI_DATA_REG + (addr & 3)); -} - -#endif /* GRUB_CPU_PCI_H */ +#include diff --git a/include/grub/mips/yeeloong/pci.h b/include/grub/mips/yeeloong/pci.h new file mode 100644 index 000000000..f65d3bf38 --- /dev/null +++ b/include/grub/mips/yeeloong/pci.h @@ -0,0 +1,71 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_PCI_H +#define GRUB_MACHINE_PCI_H 1 + +#include +#include + +#define GRUB_MACHINE_PCI_IOSPACE 0xbfe80000 +#define GRUB_MACHINE_PCI_CONTROL_REG (*(grub_uint32_t *) 0x1fe00118) + + +static inline grub_uint32_t +grub_pci_read (grub_pci_address_t addr) +{ + GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; + return *(grub_uint32_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)); +} + +static inline grub_uint16_t +grub_pci_read_word (grub_pci_address_t addr) +{ + GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; + return *(grub_uint16_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)); +} + +static inline grub_uint8_t +grub_pci_read_byte (grub_pci_address_t addr) +{ + GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; + return *(grub_uint8_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)); +} + +static inline void +grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) +{ + GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; + *(grub_uint32_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)) = data; +} + +static inline void +grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) +{ + GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; + *(grub_uint16_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)) = data; +} + +static inline void +grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) +{ + GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; + *(grub_uint8_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)) = data; +} + +#endif /* GRUB_MACHINE_PCI_H */ From 82b1f15b6b41defc86f6800b7d3139323962b7fd Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 13:06:16 +0200 Subject: [PATCH 047/128] declaration fix --- include/grub/mips/yeeloong/pci.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/include/grub/mips/yeeloong/pci.h b/include/grub/mips/yeeloong/pci.h index f65d3bf38..bbe7bc202 100644 --- a/include/grub/mips/yeeloong/pci.h +++ b/include/grub/mips/yeeloong/pci.h @@ -30,42 +30,42 @@ static inline grub_uint32_t grub_pci_read (grub_pci_address_t addr) { GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - return *(grub_uint32_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)); + return *(grub_uint32_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)); } static inline grub_uint16_t grub_pci_read_word (grub_pci_address_t addr) { GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - return *(grub_uint16_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)); + return *(grub_uint16_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)); } static inline grub_uint8_t grub_pci_read_byte (grub_pci_address_t addr) { GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - return *(grub_uint8_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)); + return *(grub_uint8_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)); } static inline void grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) { GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - *(grub_uint32_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)) = data; + *(grub_uint32_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)) = data; } static inline void grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) { GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - *(grub_uint16_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)) = data; + *(grub_uint16_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)) = data; } static inline void grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) { GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - *(grub_uint8_t *) (GRUB_PCI_IOSPACE | (addr & 0xffff)) = data; + *(grub_uint8_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)) = data; } #endif /* GRUB_MACHINE_PCI_H */ From 6592e23a4e95ae82fc24ed34a033f2e11da4ab75 Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 16:38:07 +0200 Subject: [PATCH 048/128] usb on mipsel --- bus/usb/ohci.c | 23 +++++++++++++---------- conf/mips.rmk | 37 +++++++++++++++++++++++++++++++++++++ term/usb_keyboard.c | 1 - 3 files changed, 50 insertions(+), 11 deletions(-) diff --git a/bus/usb/ohci.c b/bus/usb/ohci.c index 32fb7cf91..f13156455 100644 --- a/bus/usb/ohci.c +++ b/bus/usb/ohci.c @@ -27,6 +27,8 @@ #include #include +#define vtop(x) ((x) & 0x7fffffff) + struct grub_ohci_hcca { /* Pointers to Interrupt Endpoint Descriptors. Not used by @@ -178,7 +180,7 @@ grub_ohci_pci_iter (int bus, int device, int func, grub_ohci_writereg32 (o, GRUB_OHCI_REG_FRAME_INTERVAL, frame_interval); /* Setup the HCCA. */ - grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, (grub_uint32_t) o->hcca); + grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, vtop ((grub_uint32_t) o->hcca)); grub_dprintf ("ohci", "OHCI HCCA\n"); /* Enable the OHCI. */ @@ -264,10 +266,10 @@ grub_ohci_transaction (grub_ohci_td_t td, buffer = (grub_uint32_t) data; buffer_end = buffer + size - 1; - td->token = grub_cpu_to_le32 (token); - td->buffer = grub_cpu_to_le32 (buffer); + td->token = grub_cpu_to_le32 (vtop (token)); + td->buffer = grub_cpu_to_le32 (vtop (buffer)); td->next_td = 0; - td->buffer_end = grub_cpu_to_le32 (buffer_end); + td->buffer_end = grub_cpu_to_le32 (vtop (buffer_end)); } static grub_usb_err_t @@ -307,7 +309,7 @@ grub_ohci_transfer (grub_usb_controller_t dev, grub_ohci_transaction (&td_list[i], tr->pid, tr->toggle, tr->size, tr->data); - td_list[i].next_td = grub_cpu_to_le32 (&td_list[i + 1]); + td_list[i].next_td = grub_cpu_to_le32 (vtop (&td_list[i + 1])); } /* Setup the Endpoint Descriptor. */ @@ -324,9 +326,9 @@ grub_ohci_transfer (grub_usb_controller_t dev, /* Set the maximum packet size. */ target |= transfer->max << 16; - td_head = (grub_uint32_t) td_list; + td_head = vtop ((grub_uint32_t) td_list); - td_tail = (grub_uint32_t) &td_list[transfer->transcnt]; + td_tail = vtop ((grub_uint32_t) &td_list[transfer->transcnt]); ed->target = grub_cpu_to_le32 (target); ed->td_head = grub_cpu_to_le32 (td_head); @@ -353,7 +355,8 @@ grub_ohci_transfer (grub_usb_controller_t dev, status &= ~(1 << 2); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status); - grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, (grub_uint32_t) ed); + grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, + vtop ((grub_uint32_t) ed)); /* Enable the Bulk list. */ control |= 1 << 5; @@ -381,9 +384,9 @@ grub_ohci_transfer (grub_usb_controller_t dev, grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, - (grub_uint32_t) ed); + vtop ((grub_uint32_t) ed)); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD+1, - (grub_uint32_t) ed); + vtop ((grub_uint32_t) ed)); /* Enable the Control list. */ control |= 1 << 4; diff --git a/conf/mips.rmk b/conf/mips.rmk index 553256a9b..f63e9bafc 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -148,6 +148,43 @@ pci_mod_SOURCES = bus/pci.c pci_mod_CFLAGS = $(COMMON_CFLAGS) pci_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For lspci.mod +pkglib_MODULES += lspci.mod +lspci_mod_SOURCES = commands/lspci.c +lspci_mod_CFLAGS = $(COMMON_CFLAGS) +lspci_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For ohci.mod +pkglib_MODULES += ohci.mod +ohci_mod_SOURCES = bus/usb/ohci.c +ohci_mod_CFLAGS = $(COMMON_CFLAGS) +ohci_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usb.mod +pkglib_MODULES += usb.mod +usb_mod_SOURCES = bus/usb/usb.c bus/usb/usbtrans.c bus/usb/usbhub.c +usb_mod_CFLAGS = $(COMMON_CFLAGS) +usb_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usbtest.mod +pkglib_MODULES += usbtest.mod +usbtest_mod_SOURCES = commands/usbtest.c +usbtest_mod_CFLAGS = $(COMMON_CFLAGS) +usbtest_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usbms.mod +pkglib_MODULES += usbms.mod +usbms_mod_SOURCES = disk/usbms.c +usbms_mod_CFLAGS = $(COMMON_CFLAGS) +usbms_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usb_keyboard.mod +pkglib_MODULES += usb_keyboard.mod +usb_keyboard_mod_SOURCES = term/usb_keyboard.c +usb_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) +usb_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) + + # For relocator.mod. pkglib_MODULES += relocator.mod relocator_mod_SOURCES = lib/$(target_cpu)/relocator.c lib/$(target_cpu)/relocator_asm.S diff --git a/term/usb_keyboard.c b/term/usb_keyboard.c index 76b9bc3d4..e1842e995 100644 --- a/term/usb_keyboard.c +++ b/term/usb_keyboard.c @@ -19,7 +19,6 @@ #include #include -#include #include #include #include From 0b0b59d8d8d3e60060008624ec354b7a725dbeef Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 16:39:13 +0200 Subject: [PATCH 049/128] add ptov for symetry --- bus/usb/ohci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/bus/usb/ohci.c b/bus/usb/ohci.c index f13156455..4c844d089 100644 --- a/bus/usb/ohci.c +++ b/bus/usb/ohci.c @@ -28,6 +28,7 @@ #include #define vtop(x) ((x) & 0x7fffffff) +#define ptov(x) ((x) | 0x80000000) struct grub_ohci_hcca { @@ -154,7 +155,7 @@ grub_ohci_pci_iter (int bus, int device, int func, if (! o) return 1; - o->iobase = (grub_uint32_t *) base; + o->iobase = (grub_uint32_t *) ptov (base); /* Reserve memory for the HCCA. */ o->hcca = (struct grub_ohci_hcca *) grub_memalign (256, 256); From 7c8f6c181c420b1545a9783605dd78cccc1822b6 Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 18:07:58 +0200 Subject: [PATCH 050/128] initial envp support --- loader/mips/linux.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/loader/mips/linux.c b/loader/mips/linux.c index b04249767..056eca793 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -38,7 +38,8 @@ static grub_size_t initrd_size; static grub_size_t linux_size; static grub_uint8_t *playground; -static grub_addr_t target_addr, entry_addr, initrd_addr, argc_addr, argv_addr; +static grub_addr_t target_addr, entry_addr, initrd_addr, argc_addr; +static grub_addr_t argv_addr, envp_addr; static grub_err_t grub_linux_boot (void) @@ -49,6 +50,7 @@ grub_linux_boot (void) state.gpr[1] = entry_addr; state.gpr[4] = argc_addr; state.gpr[5] = argv_addr; + state.gpr[6] = envp_addr; state.jumpreg = 1; grub_relocator32_boot (playground, target_addr, state); @@ -171,7 +173,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), int i; int size; void *extra; - grub_uint32_t *linux_argv; + grub_uint32_t *linux_argv, *linux_envp; char *linux_args; grub_err_t err; @@ -194,7 +196,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), loaded = 0; size = sizeof (grub_uint32_t) * argc + ALIGN_UP (sizeof ("g"), 4) - + sizeof (grub_uint32_t); + + sizeof (grub_uint32_t) + (0 + 1) * sizeof (grub_uint32_t); for (i = 1; i < argc; i++) size += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); @@ -221,19 +223,27 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), extra = linux_argv + argc; linux_args = extra; - *linux_argv = (grub_uint32_t) linux_args; + *linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground + + target_addr; grub_memcpy (linux_args, "g", sizeof ("g")); linux_args += ALIGN_UP (sizeof ("g"), 4); linux_argv++; for (i = 1; i < argc; i++) { - *linux_argv = (grub_uint32_t) linux_args; + *linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground + + target_addr; grub_memcpy (linux_args, argv[i], grub_strlen (argv[i]) + 1); linux_args += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); linux_argv++; } + extra = linux_args; + linux_envp = extra; + envp_addr = (grub_uint8_t *) linux_envp - (grub_uint8_t *) playground + + target_addr; + linux_envp[0] = 0; + grub_loader_set (grub_linux_boot, grub_linux_unload, 1); initrd_addr = 0; loaded = 1; From b0000ec899cd31f1777d9b976a5b0265d39ce339 Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 18:08:22 +0200 Subject: [PATCH 051/128] compile error fix --- bus/usb/ohci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/bus/usb/ohci.c b/bus/usb/ohci.c index 4c844d089..388f65928 100644 --- a/bus/usb/ohci.c +++ b/bus/usb/ohci.c @@ -310,7 +310,8 @@ grub_ohci_transfer (grub_usb_controller_t dev, grub_ohci_transaction (&td_list[i], tr->pid, tr->toggle, tr->size, tr->data); - td_list[i].next_td = grub_cpu_to_le32 (vtop (&td_list[i + 1])); + td_list[i].next_td = grub_cpu_to_le32 (vtop ((grub_addr_t) + &td_list[i + 1])); } /* Setup the Endpoint Descriptor. */ From 1e4f46c162ed5d9bb5b425927104788d7d93498b Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 18:08:44 +0200 Subject: [PATCH 052/128] fixed pci base address --- include/grub/mips/yeeloong/pci.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/grub/mips/yeeloong/pci.h b/include/grub/mips/yeeloong/pci.h index bbe7bc202..fd6718c63 100644 --- a/include/grub/mips/yeeloong/pci.h +++ b/include/grub/mips/yeeloong/pci.h @@ -23,7 +23,7 @@ #include #define GRUB_MACHINE_PCI_IOSPACE 0xbfe80000 -#define GRUB_MACHINE_PCI_CONTROL_REG (*(grub_uint32_t *) 0x1fe00118) +#define GRUB_MACHINE_PCI_CONTROL_REG (*(grub_uint32_t *) 0xbfe00118) static inline grub_uint32_t From 81d1980198ce7c068d2ed6e32552c52d531dbf9e Mon Sep 17 00:00:00 2001 From: phcoder Date: Mon, 19 Oct 2009 18:09:13 +0200 Subject: [PATCH 053/128] changed rate of pseudo-clockk to avoid USB stalls --- kern/mips/yeeloong/init.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kern/mips/yeeloong/init.c b/kern/mips/yeeloong/init.c index eece6076c..0b2bff051 100644 --- a/kern/mips/yeeloong/init.c +++ b/kern/mips/yeeloong/init.c @@ -15,8 +15,9 @@ grub_uint32_t grub_get_rtc (void) { - static int calln = 0; - return calln++; + static grub_uint64_t calln = 0; + + return (calln++) >> 8; } void From 061282ed1107d411c90ca3a19bdb93327b5376ab Mon Sep 17 00:00:00 2001 From: phcoder Date: Thu, 22 Oct 2009 17:10:54 +0200 Subject: [PATCH 054/128] bonito impl. I/O cleanup --- bus/bonito.c | 90 ++++++++++++++++++++++++++++++++ conf/mips.rmk | 6 --- include/grub/mips/io.h | 12 ++--- include/grub/mips/yeeloong/pci.h | 58 +++++++++++++++----- 4 files changed, 140 insertions(+), 26 deletions(-) create mode 100644 bus/bonito.c diff --git a/bus/bonito.c b/bus/bonito.c new file mode 100644 index 000000000..a7a530de1 --- /dev/null +++ b/bus/bonito.c @@ -0,0 +1,90 @@ +/* bonito.c - PCI bonito interface. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include + +static grub_uint32_t base_win[GRUB_MACHINE_PCI_NUM_WIN]; +static const grub_size_t sizes_win[GRUB_MACHINE_PCI_NUM_WIN] = + {GRUB_MACHINE_PCI_WIN1_SIZE, GRUB_MACHINE_PCI_WIN_SIZE, + GRUB_MACHINE_PCI_WIN_SIZE}; +/* Usage counters. */ +static int usage_win[GRUB_MACHINE_PCI_NUM_WIN]; +static grub_addr_t addr_win[GRUB_MACHINE_PCI_NUM_WIN] = + {GRUB_MACHINE_PCI_WIN1_ADDR, GRUB_MACHINE_PCI_WIN2_ADDR, + GRUB_MACHINE_PCI_WIN3_ADDR}; + +static inline void +write_bases (void) +{ + int i; + grub_uint32_t reg = 0; + for (i = 0; i < GRUB_MACHINE_PCI_NUM_WIN; i++) + reg |= (((base_win[i] >> GRUB_MACHINE_PCI_WIN_SHIFT) + & GRUB_MACHINE_PCI_WIN_MASK) + >> (i * GRUB_MACHINE_PCI_WIN_MASK_SIZE)); + GRUB_MACHINE_PCI_IO_CTRL_REG = reg; +} + +void * +grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)), + grub_addr_t base, grub_size_t size) +{ + int i; + grub_addr_t newbase; + + /* First try already used registers. */ + for (i = 0; i < GRUB_MACHINE_PCI_NUM_WIN; i++) + if (usage_win[i] && base_win[i] <= base + && base_win[i] + sizes_win[i] > base + size) + { + usage_win[i]++; + return (void *) + (addr_win[i] | (base & GRUB_MACHINE_PCI_WIN_OFFSET_MASK)); + } + /* Map new register. */ + newbase = base & ~GRUB_MACHINE_PCI_WIN_OFFSET_MASK; + for (i = 0; i < GRUB_MACHINE_PCI_NUM_WIN; i++) + if (!usage_win[i] && newbase <= base + && newbase + sizes_win[i] > base + size) + { + usage_win[i]++; + base_win[i] = newbase; + write_bases (); + return (void *) + (addr_win[i] | (base & GRUB_MACHINE_PCI_WIN_OFFSET_MASK)); + } + grub_fatal ("Out of PCI windows."); +} + +void +grub_pci_device_unmap_range (grub_pci_device_t dev __attribute__ ((unused)), + void *mem __attribute__ ((unused)), + grub_size_t size __attribute__ ((unused))) +{ + int i; + for (i = 0; i < GRUB_MACHINE_PCI_NUM_WIN; i++) + if (usage_win[i] && addr_win[i] + == (((grub_addr_t) mem) & ~GRUB_MACHINE_PCI_WIN_OFFSET_MASK)) + { + usage_win[i]--; + return; + } + grub_fatal ("Tried to unmap not mapped region"); +} diff --git a/conf/mips.rmk b/conf/mips.rmk index f63e9bafc..19ed78237 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -142,12 +142,6 @@ ata_mod_SOURCES = disk/ata.c ata_mod_CFLAGS = $(COMMON_CFLAGS) ata_mod_LDFLAGS = $(COMMON_LDFLAGS) -# For pci.mod. -pkglib_MODULES += pci.mod -pci_mod_SOURCES = bus/pci.c -pci_mod_CFLAGS = $(COMMON_CFLAGS) -pci_mod_LDFLAGS = $(COMMON_LDFLAGS) - # For lspci.mod pkglib_MODULES += lspci.mod lspci_mod_SOURCES = commands/lspci.c diff --git a/include/grub/mips/io.h b/include/grub/mips/io.h index b86452c0a..dee76bde5 100644 --- a/include/grub/mips/io.h +++ b/include/grub/mips/io.h @@ -26,37 +26,37 @@ typedef grub_addr_t grub_port_t; static __inline unsigned char grub_inb (grub_port_t port) { - return *(grub_uint8_t *) port; + return *(volatile grub_uint8_t *) port; } static __inline unsigned short int grub_inw (grub_port_t port) { - return *(grub_uint16_t *) port; + return *(volatile grub_uint16_t *) port; } static __inline unsigned int grub_inl (grub_port_t port) { - return *(grub_uint32_t *) port; + return *(volatile grub_uint32_t *) port; } static __inline void grub_outb (unsigned char value, grub_port_t port) { - *(grub_uint8_t *) port = value; + *(volatile grub_uint8_t *) port = value; } static __inline void grub_outw (unsigned short int value, grub_port_t port) { - *(grub_uint16_t *) port = value; + *(volatile grub_uint16_t *) port = value; } static __inline void grub_outl (unsigned int value, grub_port_t port) { - *(grub_uint32_t *) port = value; + *(volatile grub_uint32_t *) port = value; } #endif /* _SYS_IO_H */ diff --git a/include/grub/mips/yeeloong/pci.h b/include/grub/mips/yeeloong/pci.h index fd6718c63..9970d6ee0 100644 --- a/include/grub/mips/yeeloong/pci.h +++ b/include/grub/mips/yeeloong/pci.h @@ -22,50 +22,80 @@ #include #include -#define GRUB_MACHINE_PCI_IOSPACE 0xbfe80000 -#define GRUB_MACHINE_PCI_CONTROL_REG (*(grub_uint32_t *) 0xbfe00118) +#define GRUB_MACHINE_PCI_CONFSPACE 0xbfe80000 +#define GRUB_MACHINE_PCI_CONF_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00118) +#define GRUB_MACHINE_PCI_IO_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00110) +#define GRUB_MACHINE_PCI_WIN_MASK_SIZE 6 +#define GRUB_MACHINE_PCI_WIN_MASK ((1 << GRUB_MACHINE_PCI_WIN_MASK_SIZE) - 1) +/* We have 3 PCI windows. */ +#define GRUB_MACHINE_PCI_NUM_WIN 3 +/* Each window is 64MiB. */ +#define GRUB_MACHINE_PCI_WIN_SHIFT 26 +#define GRUB_MACHINE_PCI_WIN_OFFSET_MASK ((1 << GRUB_MACHINE_PCI_WIN_SHIFT) - 1) + +#define GRUB_MACHINE_PCI_WIN_SIZE 0x04000000 +/* Graphical acceleration takes 1 MiB away. */ +#define GRUB_MACHINE_PCI_WIN1_SIZE 0x03f00000 + +#define GRUB_MACHINE_PCI_WIN1_ADDR 0xb0000000 +#define GRUB_MACHINE_PCI_WIN2_ADDR 0xb4000000 +#define GRUB_MACHINE_PCI_WIN3_ADDR 0xb8000000 static inline grub_uint32_t grub_pci_read (grub_pci_address_t addr) { - GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - return *(grub_uint32_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)); + GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + return *(volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONFSPACE + | (addr & 0xffff)); } static inline grub_uint16_t grub_pci_read_word (grub_pci_address_t addr) { - GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - return *(grub_uint16_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)); + GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + return *(volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONFSPACE + | (addr & 0xffff)); } static inline grub_uint8_t grub_pci_read_byte (grub_pci_address_t addr) { - GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - return *(grub_uint8_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)); + GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + return *(volatile grub_uint8_t *) (GRUB_MACHINE_PCI_CONFSPACE + | (addr & 0xffff)); } static inline void grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) { - GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - *(grub_uint32_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)) = data; + GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + *(volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONFSPACE + | (addr & 0xffff)) = data; } static inline void grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) { - GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - *(grub_uint16_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)) = data; + GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + *(volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONFSPACE + | (addr & 0xffff)) = data; } static inline void grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) { - GRUB_MACHINE_PCI_CONTROL_REG = addr >> 16; - *(grub_uint8_t *) (GRUB_MACHINE_PCI_IOSPACE | (addr & 0xffff)) = data; + GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + *(volatile grub_uint8_t *) (GRUB_MACHINE_PCI_CONFSPACE + | (addr & 0xffff)) = data; } +void * +grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)), + grub_addr_t base, grub_size_t size); +void +grub_pci_device_unmap_range (grub_pci_device_t dev __attribute__ ((unused)), + void *mem, + grub_size_t size __attribute__ ((unused))); + #endif /* GRUB_MACHINE_PCI_H */ From 5855d253f4f7bcb815eedfd083ff4a24a9f1a063 Mon Sep 17 00:00:00 2001 From: phcoder Date: Fri, 23 Oct 2009 18:20:04 +0200 Subject: [PATCH 055/128] elf format --- util/grub-mkrawimage.c | 133 ++++++++++++++++++++++++++++++++++++----- 1 file changed, 119 insertions(+), 14 deletions(-) diff --git a/util/grub-mkrawimage.c b/util/grub-mkrawimage.c index 0d26e3cf4..2097cefeb 100644 --- a/util/grub-mkrawimage.c +++ b/util/grub-mkrawimage.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include #include #include #include @@ -91,7 +93,14 @@ compress_kernel (char *kernel_img, size_t kernel_size, static void generate_image (const char *dir, char *prefix, FILE *out, char *mods[], - char *memdisk_path, char *config_path) + char *memdisk_path, char *config_path, +#ifdef GRUB_PLATFORM_IMAGE_DEFAULT + grub_platform_image_format_t format +#else + int dummy __attribute__ ((unused)) +#endif + +) { char *kernel_img, *core_img; size_t kernel_size, total_module_size, core_size; @@ -211,10 +220,9 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], boot_img = grub_util_read_image (boot_path); - /* i386 is a little endian architecture. */ *((grub_uint16_t *) (boot_img + GRUB_DISK_SECTOR_SIZE - GRUB_BOOT_MACHINE_LIST_SIZE + 8)) - = grub_cpu_to_le16 (num); + = grub_host_to_target16 (num); grub_util_write_image (boot_img, boot_size, out); free (boot_img); @@ -238,12 +246,12 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], memset (rom_img, 0, rom_size); *((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_CORE_ENTRY_ADDR)) - = grub_cpu_to_le32 ((grub_uint32_t) -rom_size); + = grub_host_to_target32 ((grub_uint32_t) -rom_size); memcpy (rom_img, core_img, core_size); *((grub_int32_t *) (boot_img + GRUB_BOOT_MACHINE_CORE_ENTRY_ADDR)) - = grub_cpu_to_le32 ((grub_uint32_t) -rom_size); + = grub_host_to_target32 ((grub_uint32_t) -rom_size); memcpy (rom_img + rom_size - boot_size, boot_img, boot_size); @@ -254,18 +262,17 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], free (boot_img); free (boot_path); } - #endif #ifdef GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE)) - = grub_cpu_to_le32 (total_module_size); + = grub_host_to_target32 (total_module_size); #endif *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE)) - = grub_cpu_to_le32 (kernel_size); + = grub_host_to_target32 (kernel_size); #ifdef GRUB_KERNEL_MACHINE_COMPRESSED_SIZE *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE)) - = grub_cpu_to_le32 (core_size - GRUB_KERNEL_MACHINE_RAW_SIZE); + = grub_host_to_target32 (core_size - GRUB_KERNEL_MACHINE_RAW_SIZE); #endif #if defined(GRUB_KERNEL_MACHINE_INSTALL_DOS_PART) && defined(GRUB_KERNEL_MACHINE_INSTALL_BSD_PART) @@ -274,9 +281,9 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], if (prefix[0] == '(') { *((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_DOS_PART)) - = grub_cpu_to_le32 (-2); + = grub_host_to_target32 (-2); *((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_BSD_PART)) - = grub_cpu_to_le32 (-2); + = grub_host_to_target32 (-2); } #endif @@ -286,6 +293,68 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], GRUB_KERNEL_MACHINE_LINK_ADDR + core_size, GRUB_MEMORY_MACHINE_UPPER); #endif +#if defined(GRUB_MACHINE_MIPS) + if (format == GRUB_PLATFORM_IMAGE_ELF) + { + char *elf_img; + size_t program_size; + Elf32_Ehdr *ehdr; + Elf32_Phdr *phdr; + grub_uint32_t target_addr; + + program_size = ALIGN_UP (core_size, 4); + + elf_img = xmalloc (program_size + sizeof (*ehdr) + sizeof (*phdr)); + memset (elf_img, 0, program_size + sizeof (*ehdr) + sizeof (*phdr)); + memcpy (elf_img + sizeof (*ehdr) + sizeof (*phdr), core_img, core_size); + ehdr = (void *) elf_img; + phdr = (void *) (elf_img + sizeof (*ehdr)); + memcpy (ehdr->e_ident, ELFMAG, SELFMAG); + ehdr->e_ident[EI_CLASS] = ELFCLASS32; +#ifdef GRUB_CPU_MIPSEL + ehdr->e_ident[EI_DATA] = ELFDATA2LSB; +#else + ehdr->e_ident[EI_DATA] = ELFDATA2MSB; +#endif + ehdr->e_ident[EI_VERSION] = EV_CURRENT; + ehdr->e_ident[EI_OSABI] = ELFOSABI_NONE; + ehdr->e_type = grub_host_to_target16 (ET_EXEC); + ehdr->e_machine = grub_host_to_target16 (EM_MIPS); + ehdr->e_version = grub_host_to_target32 (EV_CURRENT); + + ehdr->e_phoff = grub_host_to_target32 ((char *) phdr - (char *) ehdr); + ehdr->e_phentsize = grub_host_to_target16 (sizeof (*phdr)); + ehdr->e_phnum = grub_host_to_target16 (1); + + /* No section headers. */ + ehdr->e_shoff = grub_host_to_target32 (0); + ehdr->e_shentsize = grub_host_to_target16 (0); + ehdr->e_shnum = grub_host_to_target16 (0); + ehdr->e_shstrndx = grub_host_to_target16 (0); + + ehdr->e_ehsize = grub_host_to_target16 (sizeof (*ehdr)); + + phdr->p_type = grub_host_to_target32 (PT_LOAD); + phdr->p_offset = grub_host_to_target32 (sizeof (*ehdr) + sizeof (*phdr)); + phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X); + + target_addr = ALIGN_UP (GRUB_KERNEL_MACHINE_LINK_ADDR + + kernel_size + total_module_size, 32); + ehdr->e_entry = grub_host_to_target32 (target_addr); + phdr->p_vaddr = grub_host_to_target32 (target_addr); + phdr->p_paddr = grub_host_to_target32 (target_addr); + phdr->p_align = grub_host_to_target32 (GRUB_KERNEL_MACHINE_LINK_ALIGN); + ehdr->e_flags = grub_host_to_target32 (0x1000 | EF_MIPS_NOREORDER + | EF_MIPS_PIC | EF_MIPS_CPIC); + phdr->p_filesz = grub_host_to_target32 (core_size); + phdr->p_memsz = grub_host_to_target32 (core_size); + + free (core_img); + core_img = elf_img; + core_size = program_size + sizeof (*ehdr) + sizeof (*phdr); + } +#endif + grub_util_write_image (core_img, core_size, out); free (kernel_img); free (core_img); @@ -309,6 +378,9 @@ static struct option options[] = {"memdisk", required_argument, 0, 'm'}, {"config", required_argument, 0, 'c'}, {"output", required_argument, 0, 'o'}, +#ifdef GRUB_PLATFORM_IMAGE_DEFAULT + {"format", required_argument, 0, 'f'}, +#endif {"help", no_argument, 0, 'h'}, {"version", no_argument, 0, 'V'}, {"verbose", no_argument, 0, 'v'}, @@ -330,7 +402,15 @@ Make a bootable image of GRUB.\n\ -p, --prefix=DIR set grub_prefix directory [default=%s]\n\ -m, --memdisk=FILE embed FILE as a memdisk image\n\ -c, --config=FILE embed FILE as boot config\n\ - -o, --output=FILE output a generated image to FILE [default=stdout]\n\ + -o, --output=FILE output a generated image to FILE [default=stdout]\n" +#ifdef GRUB_PLATFORM_IMAGE_DEFAULT + "\ + -f, --format=FORMAT generate an image in format [default=" + GRUB_PLATFORM_IMAGE_DEFAULT_FORMAT "]\n \ + available formats: " + GRUB_PLATFORM_IMAGE_FORMATS "\n" +#endif + "\ -h, --help display this message and exit\n\ -V, --version print version information and exit\n\ -v, --verbose print verbose messages\n\ @@ -350,12 +430,15 @@ main (int argc, char *argv[]) char *memdisk = NULL; char *config = NULL; FILE *fp = stdout; +#ifdef GRUB_PLATFORM_IMAGE_DEFAULT + grub_platform_image_format_t format = GRUB_PLATFORM_IMAGE_DEFAULT; +#endif progname = "grub-mkimage"; while (1) { - int c = getopt_long (argc, argv, "d:p:m:c:o:hVv", options, 0); + int c = getopt_long (argc, argv, "d:p:m:c:o:f:hVv", options, 0); if (c == -1) break; @@ -369,6 +452,22 @@ main (int argc, char *argv[]) output = xstrdup (optarg); break; +#ifdef GRUB_PLATFORM_IMAGE_DEFAULT + case 'f': +#ifdef GRUB_PLATFORM_IMAGE_RAW + if (strcmp (optarg, "raw") == 0) + format = GRUB_PLATFORM_IMAGE_RAW; + else +#endif +#ifdef GRUB_PLATFORM_IMAGE_ELF + if (strcmp (optarg, "elf") == 0) + format = GRUB_PLATFORM_IMAGE_ELF; + else +#endif + usage (1); + break; +#endif + case 'd': if (dir) free (dir); @@ -429,7 +528,13 @@ main (int argc, char *argv[]) } generate_image (dir ? : GRUB_LIBDIR, prefix ? : DEFAULT_DIRECTORY, fp, - argv + optind, memdisk, config); + argv + optind, memdisk, config, +#ifdef GRUB_PLATFORM_IMAGE_DEFAULT + format +#else + 0 +#endif + ); fclose (fp); From 270bd79ca79d2b2fa951ed0e3a2cd3409a5f5d50 Mon Sep 17 00:00:00 2001 From: phcoder Date: Fri, 23 Oct 2009 18:20:52 +0200 Subject: [PATCH 056/128] kernel constants updated --- include/grub/mips/kernel.h | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/include/grub/mips/kernel.h b/include/grub/mips/kernel.h index 4a7c9293c..29f7e4d4e 100644 --- a/include/grub/mips/kernel.h +++ b/include/grub/mips/kernel.h @@ -19,10 +19,12 @@ #ifndef GRUB_KERNEL_CPU_HEADER #define GRUB_KERNEL_CPU_HEADER 1 -#define GRUB_MOD_ALIGN 0x1000 +#define GRUB_MOD_ALIGN 0x1 /* Non-zero value is only needed for PowerMacs. */ #define GRUB_MOD_GAP 0x0 +#define GRUB_KERNEL_MACHINE_LINK_ALIGN 32 + #define GRUB_KERNEL_CPU_RAW_SIZE 0x100 #define GRUB_KERNEL_CPU_COMPRESSED_SIZE 0x8 #define GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE 0xc @@ -39,8 +41,21 @@ #define GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE #define GRUB_KERNEL_MACHINE_COMPRESSED_SIZE GRUB_KERNEL_CPU_COMPRESSED_SIZE +#define GRUB_PLATFORM_IMAGE_FORMATS "raw, elf" +#define GRUB_PLATFORM_IMAGE_DEFAULT_FORMAT "raw" + +#define GRUB_PLATFORM_IMAGE_DEFAULT GRUB_PLATFORM_IMAGE_RAW + #ifndef ASM_FILE +typedef enum { + GRUB_PLATFORM_IMAGE_RAW, + GRUB_PLATFORM_IMAGE_ELF +} + grub_platform_image_format_t; +#define GRUB_PLATFORM_IMAGE_RAW GRUB_PLATFORM_IMAGE_RAW +#define GRUB_PLATFORM_IMAGE_ELF GRUB_PLATFORM_IMAGE_ELF + /* The prefix which points to the directory where GRUB modules and its configuration file are located. */ extern char grub_prefix[]; From f0628ef04f3b2f3d043b76855ed2362a0e8fdd0e Mon Sep 17 00:00:00 2001 From: phcoder Date: Fri, 23 Oct 2009 18:21:15 +0200 Subject: [PATCH 057/128] additional "machines" --- include/grub/mips/yeeloong/machine.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/grub/mips/yeeloong/machine.h b/include/grub/mips/yeeloong/machine.h index 9f29b4a46..f20d9d210 100644 --- a/include/grub/mips/yeeloong/machine.h +++ b/include/grub/mips/yeeloong/machine.h @@ -20,5 +20,7 @@ #define GRUB_MACHINE_MACHINE_HEADER 1 #define GRUB_MACHINE_MIPS_YEELOONG 1 +#define GRUB_MACHINE_MIPS 1 +#define GRUB_MACHINE_MIPS_BONITO 1 #endif /* ! GRUB_MACHINE_MACHINE_HEADER */ From e95fcb5379226014a7ca4d003d2ac5ab402a4305 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 10:44:00 +0200 Subject: [PATCH 058/128] move common init function to kern/mips/init.c --- kern/mips/init.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 kern/mips/init.c diff --git a/kern/mips/init.c b/kern/mips/init.c new file mode 100644 index 000000000..5adcedcbb --- /dev/null +++ b/kern/mips/init.c @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include + +void +grub_machine_set_prefix (void) +{ + grub_env_set ("prefix", grub_prefix); +} + +extern char _end[]; + +grub_addr_t +grub_arch_modules_addr (void) +{ + return (grub_addr_t) _end; +} From 01e825cc4b2e8a227c13f7dfcf3ccfcffc1121d5 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 10:44:32 +0200 Subject: [PATCH 059/128] basic framebuffer support --- video/sm712.c | 197 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 video/sm712.c diff --git a/video/sm712.c b/video/sm712.c new file mode 100644 index 000000000..5ebd865b7 --- /dev/null +++ b/video/sm712.c @@ -0,0 +1,197 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#define grub_video_render_target grub_video_fbrender_target + +#include +#include +#include +#include +#include +#include +#include +#include + +static struct +{ + struct grub_video_mode_info mode_info; + struct grub_video_render_target *render_target; + + unsigned int bytes_per_scan_line; + unsigned int bytes_per_pixel; + grub_uint8_t *ptr; + int index_color_mode; + int mapped; + grub_pci_device_t dev; +} framebuffer; + +static grub_err_t +grub_video_sm712_video_init (void) +{ + /* Reset frame buffer. */ + grub_memset (&framebuffer, 0, sizeof(framebuffer)); + + return grub_video_fb_init (); +} + +static grub_err_t +grub_video_sm712_video_fini (void) +{ + if (framebuffer.mapped) + grub_pci_device_unmap_range (framebuffer.dev, framebuffer.ptr, + 1024 * 600 * 2); + + return grub_video_fb_fini (); +} + +static grub_err_t +grub_video_sm712_setup (unsigned int width, unsigned int height, + unsigned int mode_type) +{ + int depth; + grub_err_t err; + + /* Decode depth from mode_type. If it is zero, then autodetect. */ + depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK) + >> GRUB_VIDEO_MODE_TYPE_DEPTH_POS; + + if ((1024 != width && width != 0) || (600 != height && height != 0) + || (16 != depth && depth != 0)) + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + "Only 1024x600x16 is supported"); + + /* Fill mode info details. */ + framebuffer.mode_info.width = 1024; + framebuffer.mode_info.height = 600; + framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_RGB; + framebuffer.mode_info.bpp = 16; + framebuffer.mode_info.bytes_per_pixel = 2; + framebuffer.mode_info.pitch = 1024 * 2; + framebuffer.mode_info.number_of_colors = 256; + framebuffer.mode_info.red_mask_size = 5; + framebuffer.mode_info.red_field_pos = 11; + framebuffer.mode_info.green_mask_size = 6; + framebuffer.mode_info.green_field_pos = 5; + framebuffer.mode_info.blue_mask_size = 5; + framebuffer.mode_info.blue_field_pos = 0; + framebuffer.mode_info.reserved_mask_size = 0; + framebuffer.mode_info.reserved_field_pos = 0; + framebuffer.mode_info.blit_format = grub_video_get_blit_format (&framebuffer.mode_info); + *(volatile grub_uint32_t *) 0xbfe00110 = 1; + framebuffer.ptr = (void *) 0xb0000000; + // framebuffer.ptr = grub_pci_device_map_range (framebuffer.dev, 1 << 26, + // 1024 * 600 * 2); + framebuffer.mapped = 1; + + err = grub_video_fb_create_render_target_from_pointer (&framebuffer.render_target, &framebuffer.mode_info, framebuffer.ptr); + + if (err) + return err; + + err = grub_video_fb_set_active_render_target (framebuffer.render_target); + + if (err) + return err; + + /* Copy default palette to initialize emulated palette. */ + err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS, + grub_video_fbstd_colors); + return err; +} + +static grub_err_t +grub_video_sm712_set_palette (unsigned int start, unsigned int count, + struct grub_video_palette_data *palette_data) +{ + if (framebuffer.index_color_mode) + { + /* TODO: Implement setting indexed color mode palette to hardware. */ + } + + /* Then set color to emulated palette. */ + return grub_video_fb_set_palette (start, count, palette_data); +} + +static grub_err_t +grub_video_sm712_swap_buffers (void) +{ + /* TODO: Implement buffer swapping. */ + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_video_sm712_set_active_render_target (struct grub_video_render_target *target) +{ + if (target == GRUB_VIDEO_RENDER_TARGET_DISPLAY) + target = framebuffer.render_target; + + return grub_video_fb_set_active_render_target (target); +} + +static grub_err_t +grub_video_sm712_get_info_and_fini (struct grub_video_mode_info *mode_info, + void **framebuf) +{ + grub_memcpy (mode_info, &(framebuffer.mode_info), sizeof (*mode_info)); + *framebuf = (char *) framebuffer.ptr; + + grub_video_fb_fini (); + + return GRUB_ERR_NONE; +} + + +static struct grub_video_adapter grub_video_sm712_adapter = + { + .name = "SM712 Video Driver", + + .init = grub_video_sm712_video_init, + .fini = grub_video_sm712_video_fini, + .setup = grub_video_sm712_setup, + .get_info = grub_video_fb_get_info, + .get_info_and_fini = grub_video_sm712_get_info_and_fini, + .set_palette = grub_video_sm712_set_palette, + .get_palette = grub_video_fb_get_palette, + .set_viewport = grub_video_fb_set_viewport, + .get_viewport = grub_video_fb_get_viewport, + .map_color = grub_video_fb_map_color, + .map_rgb = grub_video_fb_map_rgb, + .map_rgba = grub_video_fb_map_rgba, + .unmap_color = grub_video_fb_unmap_color, + .fill_rect = grub_video_fb_fill_rect, + .blit_bitmap = grub_video_fb_blit_bitmap, + .blit_render_target = grub_video_fb_blit_render_target, + .scroll = grub_video_fb_scroll, + .swap_buffers = grub_video_sm712_swap_buffers, + .create_render_target = grub_video_fb_create_render_target, + .delete_render_target = grub_video_fb_delete_render_target, + .set_active_render_target = grub_video_sm712_set_active_render_target, + .get_active_render_target = grub_video_fb_get_active_render_target, + + .next = 0 + }; + +GRUB_MOD_INIT(video_sm712) +{ + grub_video_register (&grub_video_sm712_adapter); +} + +GRUB_MOD_FINI(video_sm712) +{ + grub_video_unregister (&grub_video_sm712_adapter); +} From 8bf6643e526b112344fa80d906bdbbd662d8fd36 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 10:45:54 +0200 Subject: [PATCH 060/128] untracked rmk file added --- conf/mips-yeeloong.rmk | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 conf/mips-yeeloong.rmk diff --git a/conf/mips-yeeloong.rmk b/conf/mips-yeeloong.rmk new file mode 100644 index 000000000..95ec26522 --- /dev/null +++ b/conf/mips-yeeloong.rmk @@ -0,0 +1,18 @@ +# -*- makefile -*- +LINK_BASE = 0x80200000 +target_machine=yeeloong +COMMON_CFLAGS += -march=mips3 +COMMON_ASFLAGS += -march=mips3 +include $(srcdir)/conf/mips.mk + +# For pci.mod. +pkglib_MODULES += pci.mod +pci_mod_SOURCES = bus/pci.c bus/bonito.c +pci_mod_CFLAGS = $(COMMON_CFLAGS) +pci_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For pci.mod. +pkglib_MODULES += sm712.mod +sm712_mod_SOURCES = video/sm712.c +sm712_mod_CFLAGS = $(COMMON_CFLAGS) +sm712_mod_LDFLAGS = $(COMMON_LDFLAGS) From 1e1ddb6cb924e1b8d260f6e5029766b2b02bf5d2 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 10:56:21 +0200 Subject: [PATCH 061/128] init fixes --- kern/mips/yeeloong/init.c | 35 +++++++++++++++++++---------------- 1 file changed, 19 insertions(+), 16 deletions(-) diff --git a/kern/mips/yeeloong/init.c b/kern/mips/yeeloong/init.c index 0b2bff051..01acd4f1c 100644 --- a/kern/mips/yeeloong/init.c +++ b/kern/mips/yeeloong/init.c @@ -1,3 +1,21 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + #include #include #include @@ -51,26 +69,11 @@ grub_reboot (void) while (1); } -void -grub_machine_set_prefix (void) -{ - grub_env_set ("prefix", grub_prefix); -} - -extern char _end[]; - -grub_addr_t -grub_arch_modules_addr (void) -{ - return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); -} - grub_err_t grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)) { - hook (0, RAMSIZE, - GRUB_MACHINE_MEMORY_AVAILABLE); + hook (0, RAMSIZE, GRUB_MACHINE_MEMORY_AVAILABLE); return GRUB_ERR_NONE; } From e6efd24fa0f23115fe0c96dbd6cea87da61d03d7 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 10:58:20 +0200 Subject: [PATCH 062/128] working but suboptimal cache flusher --- kern/mips/cache.S | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/kern/mips/cache.S b/kern/mips/cache.S index ec13a9b95..e4436450f 100644 --- a/kern/mips/cache.S +++ b/kern/mips/cache.S @@ -3,7 +3,12 @@ /* FIXME: This should invalidate only part of memory. */ FUNCTION (grub_cpu_flush_cache) FUNCTION (grub_arch_sync_caches) -#if __mips >= 2 - sync -#endif +repeat: + cache 1, 0($a0) + cache 0, 0($a0) + cache 3, 0($a0) + cache 0, 0($a0) + addiu $a0, $a0, 1 + addiu $a1, $a1, 0xffff + bne $a1, $zero, repeat j $31 From 3c842eea9f9881f48866ed6a77536e4bd13a3ec6 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 12:43:49 +0200 Subject: [PATCH 063/128] fixed rmk --- conf/mips.rmk | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 19ed78237..cba8281e8 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -1,8 +1,8 @@ # -*- makefile -*- -COMMON_ASFLAGS = -nostdinc -COMMON_CFLAGS = -mexplicit-relocs -mflush-func=grub_cpu_flush_cache +COMMON_ASFLAGS += -nostdinc +COMMON_CFLAGS += -mexplicit-relocs -mflush-func=grub_cpu_flush_cache COMMON_LDFLAGS += -nostdlib # Used by various components. These rules need to precede them. @@ -85,7 +85,8 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ grub_emu_LDFLAGS = $(LIBCURSES) kernel_img_SOURCES = kern/$(target_cpu)/startup.S \ - kern/main.c kern/device.c kern/$(target_cpu)/$(target_machine)/init.c \ + kern/main.c kern/device.c kern/$(target_cpu)/init.c \ + kern/$(target_cpu)/$(target_machine)/init.c \ kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ kern/misc.c kern/mm.c kern/reader.c kern/term.c \ kern/rescue_parser.c kern/rescue_reader.c \ @@ -107,7 +108,7 @@ bin_SCRIPTS = bin_UTILITIES += grub-mkimage grub_mkimage_SOURCES = util/grub-mkrawimage.c util/misc.c \ util/resolve.c lib/LzmaEnc.c lib/LzFind.c -grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR) +grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(LINK_BASE) util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile # Modules. @@ -178,7 +179,6 @@ usb_keyboard_mod_SOURCES = term/usb_keyboard.c usb_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) usb_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) - # For relocator.mod. pkglib_MODULES += relocator.mod relocator_mod_SOURCES = lib/$(target_cpu)/relocator.c lib/$(target_cpu)/relocator_asm.S From a9b7a540bd7214b31763ebe7d7dc8facb97438c3 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 12:44:42 +0200 Subject: [PATCH 064/128] font preload --- font/font.c | 16 +--------- font/font_cmd.c | 70 ++++++++++++++++++++++++++++++++++++++++-- include/grub/font.h | 3 +- include/grub/kernel.h | 3 +- util/grub-mkrawimage.c | 49 ++++++++++++++++++++++++----- 5 files changed, 114 insertions(+), 27 deletions(-) diff --git a/font/font.c b/font/font.c index a81291916..a6cdf3c93 100644 --- a/font/font.c +++ b/font/font.c @@ -17,7 +17,6 @@ * along with GRUB. If not, see . */ -#include #include #include #include @@ -374,25 +373,12 @@ read_section_as_short (struct font_file_section *section, grub_int16_t *value) /* Load a font and add it to the beginning of the global font list. Returns 0 upon success, nonzero upon failure. */ int -grub_font_load (const char *filename) +grub_font_load (grub_file_t file) { - grub_file_t file = 0; struct font_file_section section; char magic[4]; grub_font_t font = 0; -#if FONT_DEBUG >= 1 - grub_printf("add_font(%s)\n", filename); -#endif - - file = grub_buffile_open (filename, 1024); - if (!file) - goto fail; - -#if FONT_DEBUG >= 3 - grub_printf("file opened\n"); -#endif - /* Read the FILE section. It indicates the file format. */ if (open_section (file, §ion) != 0) goto fail; diff --git a/font/font_cmd.c b/font/font_cmd.c index 0402b8d77..8b9817409 100644 --- a/font/font_cmd.c +++ b/font/font_cmd.c @@ -17,10 +17,13 @@ * along with GRUB. If not, see . */ +#include #include #include #include #include +#include +#include static grub_err_t loadfont_command (grub_command_t cmd __attribute__ ((unused)), @@ -31,8 +34,16 @@ loadfont_command (grub_command_t cmd __attribute__ ((unused)), return grub_error (GRUB_ERR_BAD_ARGUMENT, "no font specified"); while (argc--) - if (grub_font_load (*args++) != 0) - return GRUB_ERR_BAD_FONT; + { + grub_file_t file = 0; + + file = grub_buffile_open (*args++, 1024); + if (!file) + return grub_errno; + + if (grub_font_load (file) != 0) + return GRUB_ERR_BAD_FONT; + } return GRUB_ERR_NONE; } @@ -54,12 +65,67 @@ lsfonts_command (grub_command_t cmd __attribute__ ((unused)), return GRUB_ERR_NONE; } +static grub_ssize_t +pseudo_file_read (struct grub_file *file, char *buf, grub_size_t len) +{ + grub_memcpy (buf, (char *) file->data + file->offset, len); + return len; +} + +static grub_err_t +pseudo_file_close (struct grub_file *file) +{ + grub_free (file->data); + file->data = 0; + return GRUB_ERR_NONE; +} + + +/* Filesystem descriptor. */ +static struct grub_fs pseudo_fs = +{ + .name = "Font Loader", + .read = pseudo_file_read, + .close = pseudo_file_close +}; + + +static int +load_font_module (struct grub_module_header *header) +{ + grub_file_t file; + if (header->type != OBJ_TYPE_FONT) + return 0; + + file = grub_malloc (sizeof (*file)); + + file->read_hook = 0; + + file->offset = 0; + file->size = header->size - sizeof (struct grub_module_header); + file->data = grub_malloc (header->size - sizeof (struct grub_module_header)); + if (!file->data) + return 0; + grub_memcpy (file->data, (char *) header + sizeof (struct grub_module_header), + file->size); + + file->device = 0; + file->fs = &pseudo_fs; + + grub_font_load (file); + + return 0; +} + + static grub_command_t cmd_loadfont, cmd_lsfonts; GRUB_MOD_INIT(font_manager) { grub_font_loader_init (); + grub_module_iterate (load_font_module); + cmd_loadfont = grub_register_command ("loadfont", loadfont_command, "loadfont FILE...", diff --git a/include/grub/font.h b/include/grub/font.h index 8a5f3ac7d..2129c30b3 100644 --- a/include/grub/font.h +++ b/include/grub/font.h @@ -21,6 +21,7 @@ #include #include +#include /* Forward declaration of opaque structure grub_font. Users only pass struct grub_font pointers to the font module functions, @@ -74,7 +75,7 @@ void grub_font_loader_init (void); /* Load a font and add it to the beginning of the global font list. Returns: 0 upon success; nonzero upon failure. */ -int grub_font_load (const char *filename); +int grub_font_load (grub_file_t file); /* Get the font that has the specified name. Font names are in the form "Family Name Bold Italic 14", where Bold and Italic are optional. diff --git a/include/grub/kernel.h b/include/grub/kernel.h index 75ec77c2a..9586a90b9 100644 --- a/include/grub/kernel.h +++ b/include/grub/kernel.h @@ -26,7 +26,8 @@ enum { OBJ_TYPE_ELF, OBJ_TYPE_MEMDISK, - OBJ_TYPE_CONFIG + OBJ_TYPE_CONFIG, + OBJ_TYPE_FONT }; /* The module header. */ diff --git a/util/grub-mkrawimage.c b/util/grub-mkrawimage.c index 2097cefeb..5005afd1f 100644 --- a/util/grub-mkrawimage.c +++ b/util/grub-mkrawimage.c @@ -93,7 +93,7 @@ compress_kernel (char *kernel_img, size_t kernel_size, static void generate_image (const char *dir, char *prefix, FILE *out, char *mods[], - char *memdisk_path, char *config_path, + char *memdisk_path, char *font_path, char *config_path, #ifdef GRUB_PLATFORM_IMAGE_DEFAULT grub_platform_image_format_t format #else @@ -104,7 +104,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], { char *kernel_img, *core_img; size_t kernel_size, total_module_size, core_size; - size_t memdisk_size = 0, config_size = 0; + size_t memdisk_size = 0, font_size = 0, config_size = 0; char *kernel_path; size_t offset; struct grub_util_path_list *path_list, *p, *next; @@ -124,6 +124,12 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], total_module_size += memdisk_size + sizeof (struct grub_module_header); } + if (font_path) + { + font_size = ALIGN_UP(grub_util_get_image_size (font_path), 4); + total_module_size += font_size + sizeof (struct grub_module_header); + } + if (config_path) { config_size = grub_util_get_image_size (config_path) + 1; @@ -183,6 +189,20 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], offset += memdisk_size; } + if (font_path) + { + struct grub_module_header *header; + + header = (struct grub_module_header *) (kernel_img + offset); + memset (header, 0, sizeof (struct grub_module_header)); + header->type = OBJ_TYPE_FONT; + header->size = grub_host_to_target32 (font_size + sizeof (*header)); + offset += sizeof (*header); + + grub_util_load_image (font_path, kernel_img + offset); + offset += font_size; + } + if (config_path) { struct grub_module_header *header; @@ -339,7 +359,10 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X); target_addr = ALIGN_UP (GRUB_KERNEL_MACHINE_LINK_ADDR - + kernel_size + total_module_size, 32); + + kernel_size + total_module_size + + 0x100000 + // + BSS_SIZE + , 32); ehdr->e_entry = grub_host_to_target32 (target_addr); phdr->p_vaddr = grub_host_to_target32 (target_addr); phdr->p_paddr = grub_host_to_target32 (target_addr); @@ -376,10 +399,11 @@ static struct option options[] = {"directory", required_argument, 0, 'd'}, {"prefix", required_argument, 0, 'p'}, {"memdisk", required_argument, 0, 'm'}, + {"font", required_argument, 0, 'f'}, {"config", required_argument, 0, 'c'}, {"output", required_argument, 0, 'o'}, #ifdef GRUB_PLATFORM_IMAGE_DEFAULT - {"format", required_argument, 0, 'f'}, + {"format", required_argument, 0, 'O'}, #endif {"help", no_argument, 0, 'h'}, {"version", no_argument, 0, 'V'}, @@ -401,11 +425,12 @@ Make a bootable image of GRUB.\n\ -d, --directory=DIR use images and modules under DIR [default=%s]\n\ -p, --prefix=DIR set grub_prefix directory [default=%s]\n\ -m, --memdisk=FILE embed FILE as a memdisk image\n\ + -f, --font=FILE embed FILE as a boot font\n\ -c, --config=FILE embed FILE as boot config\n\ -o, --output=FILE output a generated image to FILE [default=stdout]\n" #ifdef GRUB_PLATFORM_IMAGE_DEFAULT "\ - -f, --format=FORMAT generate an image in format [default=" + -O, --format=FORMAT generate an image in format [default=" GRUB_PLATFORM_IMAGE_DEFAULT_FORMAT "]\n \ available formats: " GRUB_PLATFORM_IMAGE_FORMATS "\n" @@ -428,6 +453,7 @@ main (int argc, char *argv[]) char *dir = NULL; char *prefix = NULL; char *memdisk = NULL; + char *font = NULL; char *config = NULL; FILE *fp = stdout; #ifdef GRUB_PLATFORM_IMAGE_DEFAULT @@ -438,7 +464,7 @@ main (int argc, char *argv[]) while (1) { - int c = getopt_long (argc, argv, "d:p:m:c:o:f:hVv", options, 0); + int c = getopt_long (argc, argv, "d:p:m:c:o:O:f:hVv", options, 0); if (c == -1) break; @@ -453,7 +479,7 @@ main (int argc, char *argv[]) break; #ifdef GRUB_PLATFORM_IMAGE_DEFAULT - case 'f': + case 'O': #ifdef GRUB_PLATFORM_IMAGE_RAW if (strcmp (optarg, "raw") == 0) format = GRUB_PLATFORM_IMAGE_RAW; @@ -487,6 +513,13 @@ main (int argc, char *argv[]) prefix = xstrdup ("(memdisk)/boot/grub"); break; + case 'f': + if (font) + free (font); + + font = xstrdup (optarg); + break; + case 'c': if (config) free (config); @@ -528,7 +561,7 @@ main (int argc, char *argv[]) } generate_image (dir ? : GRUB_LIBDIR, prefix ? : DEFAULT_DIRECTORY, fp, - argv + optind, memdisk, config, + argv + optind, memdisk, font, config, #ifdef GRUB_PLATFORM_IMAGE_DEFAULT format #else From 1a5c44303c355c87b38088d981e46a75e35c0f32 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 12:45:04 +0200 Subject: [PATCH 065/128] load modules before saying welcome --- kern/main.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/kern/main.c b/kern/main.c index 9215d55e7..084ce621b 100644 --- a/kern/main.c +++ b/kern/main.c @@ -152,15 +152,16 @@ grub_main (void) /* First of all, initialize the machine. */ grub_machine_init (); - /* Hello. */ - grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); - grub_printf ("Welcome to GRUB!\n\n"); - grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); - /* Load pre-loaded modules and free the space. */ grub_register_exported_symbols (); grub_load_modules (); + /* Hello. */ + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + grub_printf ("Welcome to GRUB!\n\n"); + grub_refresh (); + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + /* It is better to set the root device as soon as possible, for convenience. */ grub_machine_set_prefix (); From 1ec31f046e99d015fa36a5a1cfef9b80c3c2b74d Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 12:45:47 +0200 Subject: [PATCH 066/128] change gfxterm resolution --- term/gfxterm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/term/gfxterm.c b/term/gfxterm.c index f161499e6..277660016 100644 --- a/term/gfxterm.c +++ b/term/gfxterm.c @@ -27,7 +27,7 @@ #include #include -#define DEFAULT_VIDEO_MODE "1024x768,800x600,640x480" +#define DEFAULT_VIDEO_MODE "1024x600" #define DEFAULT_BORDER_WIDTH 10 #define DEFAULT_STANDARD_COLOR 0x07 From 8c4c25fe739701a462daabffdc3dd04879ee3ddd Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 15:16:38 +0200 Subject: [PATCH 067/128] use bonito for sm712 --- video/sm712.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/video/sm712.c b/video/sm712.c index 5ebd865b7..df4f50172 100644 --- a/video/sm712.c +++ b/video/sm712.c @@ -92,10 +92,8 @@ grub_video_sm712_setup (unsigned int width, unsigned int height, framebuffer.mode_info.reserved_mask_size = 0; framebuffer.mode_info.reserved_field_pos = 0; framebuffer.mode_info.blit_format = grub_video_get_blit_format (&framebuffer.mode_info); - *(volatile grub_uint32_t *) 0xbfe00110 = 1; - framebuffer.ptr = (void *) 0xb0000000; - // framebuffer.ptr = grub_pci_device_map_range (framebuffer.dev, 1 << 26, - // 1024 * 600 * 2); + framebuffer.ptr = grub_pci_device_map_range (framebuffer.dev, 1 << 26, + 1024 * 600 * 2); framebuffer.mapped = 1; err = grub_video_fb_create_render_target_from_pointer (&framebuffer.render_target, &framebuffer.mode_info, framebuffer.ptr); From 072acffa2099300fa5e9741b84a9383d05d868d8 Mon Sep 17 00:00:00 2001 From: phcoder Date: Sat, 24 Oct 2009 21:01:27 +0200 Subject: [PATCH 068/128] gfxterm fix --- term/gfxterm.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/term/gfxterm.c b/term/gfxterm.c index 277660016..20dc11c20 100644 --- a/term/gfxterm.c +++ b/term/gfxterm.c @@ -95,6 +95,7 @@ struct grub_virtual_screen /* Color settings. */ grub_video_color_t fg_color; grub_video_color_t bg_color; + grub_video_color_t bg_color_display; /* Text buffer for virtual screen. Contains (columns * rows) number of entries. */ @@ -237,6 +238,8 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y, grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); + virtual_screen.bg_color_display = grub_video_map_rgba(0, 0, 0, 0); + /* Clear out text buffer. */ for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++) clear_char (&(virtual_screen.text_buffer[i])); @@ -345,7 +348,7 @@ redraw_screen_rect (unsigned int x, unsigned int y, /* If bitmap is smaller than requested blit area, use background color. */ - color = virtual_screen.bg_color; + color = virtual_screen.bg_color_display; /* Fill right side of the bitmap if needed. */ if ((x + width >= bitmap_width) && (y < bitmap_height)) @@ -392,7 +395,7 @@ redraw_screen_rect (unsigned int x, unsigned int y, else { /* Render background layer. */ - color = virtual_screen.bg_color; + color = virtual_screen.bg_color_display; grub_video_fill_rect (color, x, y, width, height); /* Render text layer as replaced (to get texts background color). */ @@ -814,7 +817,8 @@ grub_gfxterm_cls (void) /* Clear text layer. */ grub_video_set_active_render_target (text_layer); color = virtual_screen.bg_color; - grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height); + grub_video_fill_rect (color, 0, 0, virtual_screen.width, + virtual_screen.height); grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); /* Mark virtual screen to be redrawn. */ From 810d8224cd2d1f117a34e62d573bbe503a1b1b41 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 2 Nov 2009 23:42:07 +0100 Subject: [PATCH 069/128] PCI cleanup --- bus/bonito.c | 4 ++-- bus/pci.c | 4 ++-- include/grub/i386/pci.h | 6 ++++-- include/grub/mips/yeeloong/pci.h | 31 +++++++++++++++++-------------- 4 files changed, 25 insertions(+), 20 deletions(-) diff --git a/bus/bonito.c b/bus/bonito.c index a7a530de1..3f794c45a 100644 --- a/bus/bonito.c +++ b/bus/bonito.c @@ -42,7 +42,7 @@ write_bases (void) GRUB_MACHINE_PCI_IO_CTRL_REG = reg; } -void * +volatile void * grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)), grub_addr_t base, grub_size_t size) { @@ -75,7 +75,7 @@ grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)), void grub_pci_device_unmap_range (grub_pci_device_t dev __attribute__ ((unused)), - void *mem __attribute__ ((unused)), + volatile void *mem __attribute__ ((unused)), grub_size_t size __attribute__ ((unused))) { int i; diff --git a/bus/pci.c b/bus/pci.c index fe4cad181..08bc90ab2 100644 --- a/bus/pci.c +++ b/bus/pci.c @@ -35,9 +35,9 @@ grub_pci_iterate (grub_pci_iteratefunc_t hook) grub_pci_id_t id; grub_uint32_t hdr; - for (dev.bus = 0; dev.bus < 256; dev.bus++) + for (dev.bus = 0; dev.bus < GRUB_PCI_NUM_BUS; dev.bus++) { - for (dev.device = 0; dev.device < 32; dev.device++) + for (dev.device = 0; dev.device < GRUB_PCI_NUM_DEVICES; dev.device++) { for (dev.function = 0; dev.function < 8; dev.function++) { diff --git a/include/grub/i386/pci.h b/include/grub/i386/pci.h index 5b5f5f0df..a62adf507 100644 --- a/include/grub/i386/pci.h +++ b/include/grub/i386/pci.h @@ -24,6 +24,8 @@ #define GRUB_PCI_ADDR_REG 0xcf8 #define GRUB_PCI_DATA_REG 0xcfc +#define GRUB_PCI_NUM_BUS 256 +#define GRUB_PCI_NUM_DEVICES 32 static inline grub_uint32_t grub_pci_read (grub_pci_address_t addr) @@ -67,12 +69,12 @@ grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) grub_outb (data, GRUB_PCI_DATA_REG + (addr & 3)); } -static inline void * +static inline volatile void * grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)), grub_addr_t base, grub_size_t size __attribute__ ((unused))) { - return (void *) base; + return (volatile void *) base; } static inline void diff --git a/include/grub/mips/yeeloong/pci.h b/include/grub/mips/yeeloong/pci.h index 9970d6ee0..8ba9f39d8 100644 --- a/include/grub/mips/yeeloong/pci.h +++ b/include/grub/mips/yeeloong/pci.h @@ -22,6 +22,9 @@ #include #include +#define GRUB_PCI_NUM_BUS 1 +#define GRUB_PCI_NUM_DEVICES 16 + #define GRUB_MACHINE_PCI_CONFSPACE 0xbfe80000 #define GRUB_MACHINE_PCI_CONF_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00118) #define GRUB_MACHINE_PCI_IO_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00110) @@ -45,57 +48,57 @@ static inline grub_uint32_t grub_pci_read (grub_pci_address_t addr) { - GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf); return *(volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONFSPACE - | (addr & 0xffff)); + | (addr & 0x03ff)); } static inline grub_uint16_t grub_pci_read_word (grub_pci_address_t addr) { - GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf); return *(volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONFSPACE - | (addr & 0xffff)); + | (addr & 0x03ff)); } static inline grub_uint8_t grub_pci_read_byte (grub_pci_address_t addr) { - GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf); return *(volatile grub_uint8_t *) (GRUB_MACHINE_PCI_CONFSPACE - | (addr & 0xffff)); + | (addr & 0x03ff)); } static inline void grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) { - GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf); *(volatile grub_uint32_t *) (GRUB_MACHINE_PCI_CONFSPACE - | (addr & 0xffff)) = data; + | (addr & 0x03ff)) = data; } static inline void grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) { - GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf); *(volatile grub_uint16_t *) (GRUB_MACHINE_PCI_CONFSPACE - | (addr & 0xffff)) = data; + | (addr & 0x03ff)) = data; } static inline void grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) { - GRUB_MACHINE_PCI_CONF_CTRL_REG = addr >> 16; + GRUB_MACHINE_PCI_CONF_CTRL_REG = 1 << ((addr >> 11) & 0xf); *(volatile grub_uint8_t *) (GRUB_MACHINE_PCI_CONFSPACE - | (addr & 0xffff)) = data; + | (addr & 0x03ff)) = data; } -void * +volatile void * grub_pci_device_map_range (grub_pci_device_t dev __attribute__ ((unused)), grub_addr_t base, grub_size_t size); void grub_pci_device_unmap_range (grub_pci_device_t dev __attribute__ ((unused)), - void *mem, + volatile void *mem, grub_size_t size __attribute__ ((unused))); #endif /* GRUB_MACHINE_PCI_H */ From 1b4595cebf919f2497be93858a4ec61a4c14db22 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 2 Nov 2009 23:57:09 +0100 Subject: [PATCH 070/128] AT keyboard support for Yeeloong --- conf/i386.rmk | 2 +- conf/mips.rmk | 6 ++++++ include/grub/i386/at_keyboard.h | 32 -------------------------------- term/{i386/pc => }/at_keyboard.c | 6 +++--- 4 files changed, 10 insertions(+), 36 deletions(-) rename term/{i386/pc => }/at_keyboard.c (98%) diff --git a/conf/i386.rmk b/conf/i386.rmk index 33d49b53c..15529a122 100644 --- a/conf/i386.rmk +++ b/conf/i386.rmk @@ -6,7 +6,7 @@ cpuid_mod_CFLAGS = $(COMMON_CFLAGS) cpuid_mod_LDFLAGS = $(COMMON_LDFLAGS) pkglib_MODULES += at_keyboard.mod -at_keyboard_mod_SOURCES = term/i386/pc/at_keyboard.c +at_keyboard_mod_SOURCES = term/at_keyboard.c at_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) at_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/mips.rmk b/conf/mips.rmk index cba8281e8..03765ad8e 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -192,4 +192,10 @@ linux_mod_CFLAGS = $(COMMON_CFLAGS) linux_mod_ASFLAGS = $(COMMON_ASFLAGS) linux_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For at_keyboard.mod. +pkglib_MODULES += at_keyboard.mod +at_keyboard_mod_SOURCES = term/at_keyboard.c +at_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) +at_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) + include $(srcdir)/conf/common.mk diff --git a/include/grub/i386/at_keyboard.h b/include/grub/i386/at_keyboard.h index 96b21627f..8769c2f11 100644 --- a/include/grub/i386/at_keyboard.h +++ b/include/grub/i386/at_keyboard.h @@ -19,39 +19,7 @@ #ifndef GRUB_CPU_AT_KEYBOARD_HEADER #define GRUB_CPU_AT_KEYBOARD_HEADER 1 -#include - -#define SHIFT_L 0x2a -#define SHIFT_R 0x36 -#define CTRL 0x1d -#define ALT 0x38 -#define CAPS_LOCK 0x3a - #define KEYBOARD_REG_DATA 0x60 #define KEYBOARD_REG_STATUS 0x64 -/* Used for sending commands to the controller. */ -#define KEYBOARD_COMMAND_ISREADY(x) !((x) & 0x02) -#define KEYBOARD_COMMAND_READ 0x20 -#define KEYBOARD_COMMAND_WRITE 0x60 -#define KEYBOARD_COMMAND_REBOOT 0xfe - -#define KEYBOARD_SCANCODE_SET1 0x40 - -#define KEYBOARD_ISMAKE(x) !((x) & 0x80) -#define KEYBOARD_ISREADY(x) ((x) & 0x01) -#define KEYBOARD_SCANCODE(x) ((x) & 0x7f) - -#ifdef GRUB_MACHINE_IEEE1275 -#define OLPC_UP GRUB_TERM_UP -#define OLPC_DOWN GRUB_TERM_DOWN -#define OLPC_LEFT GRUB_TERM_LEFT -#define OLPC_RIGHT GRUB_TERM_RIGHT -#else -#define OLPC_UP '\0' -#define OLPC_DOWN '\0' -#define OLPC_LEFT '\0' -#define OLPC_RIGHT '\0' -#endif - #endif diff --git a/term/i386/pc/at_keyboard.c b/term/at_keyboard.c similarity index 98% rename from term/i386/pc/at_keyboard.c rename to term/at_keyboard.c index cf30e7242..5d8dc3d89 100644 --- a/term/i386/pc/at_keyboard.c +++ b/term/at_keyboard.c @@ -17,9 +17,9 @@ */ #include -#include -#include -#include +#include +#include +#include #include #include From 811c0d8b5c09a2c887dd1bb61b28f3fa466c63e9 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 3 Nov 2009 00:00:59 +0100 Subject: [PATCH 071/128] missing kbd files --- include/grub/at_keyboard.h | 54 ++++++++++++++++++++++++ include/grub/mips/at_keyboard.h | 1 + include/grub/mips/yeeloong/at_keyboard.h | 25 +++++++++++ 3 files changed, 80 insertions(+) create mode 100644 include/grub/at_keyboard.h create mode 100644 include/grub/mips/at_keyboard.h create mode 100644 include/grub/mips/yeeloong/at_keyboard.h diff --git a/include/grub/at_keyboard.h b/include/grub/at_keyboard.h new file mode 100644 index 000000000..e2436e0f6 --- /dev/null +++ b/include/grub/at_keyboard.h @@ -0,0 +1,54 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_AT_KEYBOARD_HEADER +#define GRUB_AT_KEYBOARD_HEADER 1 + +#include + +#define SHIFT_L 0x2a +#define SHIFT_R 0x36 +#define CTRL 0x1d +#define ALT 0x38 +#define CAPS_LOCK 0x3a + +/* Used for sending commands to the controller. */ +#define KEYBOARD_COMMAND_ISREADY(x) !((x) & 0x02) +#define KEYBOARD_COMMAND_READ 0x20 +#define KEYBOARD_COMMAND_WRITE 0x60 +#define KEYBOARD_COMMAND_REBOOT 0xfe + +#define KEYBOARD_SCANCODE_SET1 0x40 + +#define KEYBOARD_ISMAKE(x) !((x) & 0x80) +#define KEYBOARD_ISREADY(x) ((x) & 0x01) +#define KEYBOARD_SCANCODE(x) ((x) & 0x7f) + +#ifdef GRUB_MACHINE_IEEE1275 +#define OLPC_UP GRUB_TERM_UP +#define OLPC_DOWN GRUB_TERM_DOWN +#define OLPC_LEFT GRUB_TERM_LEFT +#define OLPC_RIGHT GRUB_TERM_RIGHT +#else +#define OLPC_UP '\0' +#define OLPC_DOWN '\0' +#define OLPC_LEFT '\0' +#define OLPC_RIGHT '\0' +#endif + +#endif diff --git a/include/grub/mips/at_keyboard.h b/include/grub/mips/at_keyboard.h new file mode 100644 index 000000000..0c307537d --- /dev/null +++ b/include/grub/mips/at_keyboard.h @@ -0,0 +1 @@ +#include diff --git a/include/grub/mips/yeeloong/at_keyboard.h b/include/grub/mips/yeeloong/at_keyboard.h new file mode 100644 index 000000000..f279ac86d --- /dev/null +++ b/include/grub/mips/yeeloong/at_keyboard.h @@ -0,0 +1,25 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_MACHINE_AT_KEYBOARD_HEADER +#define GRUB_MACHINE_AT_KEYBOARD_HEADER 1 + +#define KEYBOARD_REG_DATA 0xbfd00060 +#define KEYBOARD_REG_STATUS 0xbfd00064 + +#endif From b4f4e1f733902404241b4afd1889f0deb2a3f696 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 3 Nov 2009 00:03:09 +0100 Subject: [PATCH 072/128] Initial dirty ATA support --- conf/mips.rmk | 6 ++++++ disk/ata.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 53 insertions(+), 2 deletions(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 03765ad8e..cd99cca75 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -198,4 +198,10 @@ at_keyboard_mod_SOURCES = term/at_keyboard.c at_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) at_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For ata_pthru.mod. +pkglib_MODULES += ata_pthru.mod +ata_pthru_mod_SOURCES = disk/ata_pthru.c +ata_pthru_mod_CFLAGS = $(COMMON_CFLAGS) +ata_pthru_mod_LDFLAGS = $(COMMON_LDFLAGS) + include $(srcdir)/conf/common.mk diff --git a/disk/ata.c b/disk/ata.c index 00e370960..5b74bb673 100644 --- a/disk/ata.c +++ b/disk/ata.c @@ -27,8 +27,10 @@ #include /* At the moment, only two IDE ports are supported. */ -static const grub_port_t grub_ata_ioaddress[] = { 0x1f0, 0x170 }; -static const grub_port_t grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; +static const grub_port_t grub_ata_ioaddress[] = { 0xbfd001f0}; +static const grub_port_t grub_ata_ioaddress2[] = { 0xbfd003f6}; +//static const grub_port_t grub_ata_ioaddress[] = { 0x1f0, 0x170 }; +//static const grub_port_t grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; static struct grub_ata_device *grub_ata_devices; @@ -388,6 +390,7 @@ grub_ata_device_initialize (int port, int device, int addr, int addr2) return 0; } +#if 0 static int NESTED_FUNC_ATTR grub_ata_pciinit (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__((unused))) @@ -485,6 +488,48 @@ grub_ata_initialize (void) grub_pci_iterate (grub_ata_pciinit); return 0; } +#endif + +static grub_err_t +grub_ata_initialize (void) +{ + int rega; + int regb; + + rega = grub_ata_ioaddress[0]; + regb = grub_ata_ioaddress2[0]; + + grub_dprintf ("ata", + "rega=0x%x regb=0x%x\n", + rega, regb); + + if (rega && regb) + { + grub_errno = GRUB_ERR_NONE; + grub_ata_device_initialize (0, 0, rega, regb); + + /* Most errors raised by grub_ata_device_initialize() are harmless. + They just indicate this particular drive is not responding, most + likely because it doesn't exist. We might want to ignore specific + error types here, instead of printing them. */ + if (grub_errno) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + } + + grub_ata_device_initialize (0, 1, rega, regb); + + /* Likewise. */ + if (grub_errno) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + } + } + + return 0; +} static void From 36dba59c0792378a6fc829a58f3a70ac67458423 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 3 Nov 2009 00:04:15 +0100 Subject: [PATCH 073/128] Use PCI for sm712 --- video/sm712.c | 37 +++++++++++++++++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/video/sm712.c b/video/sm712.c index df4f50172..93156c9ae 100644 --- a/video/sm712.c +++ b/video/sm712.c @@ -37,6 +37,7 @@ static struct grub_uint8_t *ptr; int index_color_mode; int mapped; + grub_uint32_t base; grub_pci_device_t dev; } framebuffer; @@ -65,6 +66,27 @@ grub_video_sm712_setup (unsigned int width, unsigned int height, { int depth; grub_err_t err; + int found = 0; + + int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused))) + { + grub_pci_address_t addr; + grub_uint32_t class; + + addr = grub_pci_make_address (dev, 2); + class = grub_pci_read (addr); + + if (((class >> 16) & 0xffff) != 0x0300 || pciid != 0x0712126f) + return 0; + + found = 1; + + addr = grub_pci_make_address (dev, 4); + framebuffer.base = grub_pci_read (addr); + framebuffer.dev = dev; + + return 1; + } /* Decode depth from mode_type. If it is zero, then autodetect. */ depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK) @@ -75,6 +97,15 @@ grub_video_sm712_setup (unsigned int width, unsigned int height, return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, "Only 1024x600x16 is supported"); + grub_pci_iterate (find_card); + if (!found) + return grub_error (GRUB_ERR_IO, "Couldn't find graphics card"); + + if (found && framebuffer.base == 0) + { + /* FIXME: change framebuffer base */ + } + /* Fill mode info details. */ framebuffer.mode_info.width = 1024; framebuffer.mode_info.height = 600; @@ -92,8 +123,10 @@ grub_video_sm712_setup (unsigned int width, unsigned int height, framebuffer.mode_info.reserved_mask_size = 0; framebuffer.mode_info.reserved_field_pos = 0; framebuffer.mode_info.blit_format = grub_video_get_blit_format (&framebuffer.mode_info); - framebuffer.ptr = grub_pci_device_map_range (framebuffer.dev, 1 << 26, - 1024 * 600 * 2); + /* We can safely discard volatile attribute. */ + framebuffer.ptr = (void *) grub_pci_device_map_range (framebuffer.dev, + framebuffer.base, + 1024 * 600 * 2); framebuffer.mapped = 1; err = grub_video_fb_create_render_target_from_pointer (&framebuffer.render_target, &framebuffer.mode_info, framebuffer.ptr); From cc32314161b55f2a9bd7f4a0897deae9d1b8f80f Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 3 Nov 2009 00:05:41 +0100 Subject: [PATCH 074/128] Removed memset declaration --- include/grub/mips/libgcc.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/grub/mips/libgcc.h b/include/grub/mips/libgcc.h index a04a8f140..3bea2f998 100644 --- a/include/grub/mips/libgcc.h +++ b/include/grub/mips/libgcc.h @@ -16,7 +16,6 @@ * along with GRUB. If not, see . */ -void *EXPORT_FUNC (memset) (void *s, int c, int n); void EXPORT_FUNC (__ashldi3) (void); void EXPORT_FUNC (__ashrdi3) (void); void EXPORT_FUNC (__lshrdi3) (void); From 02602a700270c3b661500c44cf6565b183d74a58 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Fri, 6 Nov 2009 17:37:31 +0100 Subject: [PATCH 075/128] Cleaned __gnu_local_gp handling --- include/grub/mips/dl.h | 2 +- kern/mips/dl.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/include/grub/mips/dl.h b/include/grub/mips/dl.h index 4dbd97ca9..9f8404e72 100644 --- a/include/grub/mips/dl.h +++ b/include/grub/mips/dl.h @@ -20,6 +20,6 @@ #define GRUB_CPU_DL_H 1 /* Dummy __gnu_local_gp. Resolved by linker. */ -char EXPORT_VAR (__gnu_local_gp); +extern char EXPORT_VAR (__gnu_local_gp); #endif /* ! GRUB_CPU_DL_H */ diff --git a/kern/mips/dl.c b/kern/mips/dl.c index e25ccce3a..a937c79b4 100644 --- a/kern/mips/dl.c +++ b/kern/mips/dl.c @@ -25,6 +25,9 @@ #include #include +/* Dummy __gnu_local_gp. Resolved by linker. */ +char __gnu_local_gp; + /* Check if EHDR is a valid ELF header. */ grub_err_t grub_arch_dl_check_header (void *ehdr) From b0979f119179bae381a52dd330a2d77a4056e049 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Fri, 6 Nov 2009 22:50:44 +0100 Subject: [PATCH 076/128] Cleaned up CS5536 ATA compat support --- disk/ata.c | 77 ++++++++++---------------------- include/grub/i386/pci.h | 1 + include/grub/mips/yeeloong/pci.h | 1 + 3 files changed, 25 insertions(+), 54 deletions(-) diff --git a/disk/ata.c b/disk/ata.c index 5b74bb673..c6d2168f7 100644 --- a/disk/ata.c +++ b/disk/ata.c @@ -27,10 +27,8 @@ #include /* At the moment, only two IDE ports are supported. */ -static const grub_port_t grub_ata_ioaddress[] = { 0xbfd001f0}; -static const grub_port_t grub_ata_ioaddress2[] = { 0xbfd003f6}; -//static const grub_port_t grub_ata_ioaddress[] = { 0x1f0, 0x170 }; -//static const grub_port_t grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; +static const grub_port_t grub_ata_ioaddress[] = { 0x1f0, 0x170 }; +static const grub_port_t grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; static struct grub_ata_device *grub_ata_devices; @@ -350,8 +348,8 @@ grub_ata_device_initialize (int port, int device, int addr, int addr2) /* Setup the device information. */ dev->port = port; dev->device = device; - dev->ioaddress = addr; - dev->ioaddress2 = addr2; + dev->ioaddress = addr + GRUB_MACHINE_PCI_IO_BASE; + dev->ioaddress2 = addr2 + GRUB_MACHINE_PCI_IO_BASE; dev->next = NULL; grub_ata_regset (dev, GRUB_ATA_REG_DISK, dev->device << 4); @@ -390,10 +388,9 @@ grub_ata_device_initialize (int port, int device, int addr, int addr2) return 0; } -#if 0 static int NESTED_FUNC_ATTR grub_ata_pciinit (grub_pci_device_t dev, - grub_pci_id_t pciid __attribute__((unused))) + grub_pci_id_t pciid) { static int compat_use[2] = { 0 }; grub_pci_address_t addr; @@ -404,19 +401,34 @@ grub_ata_pciinit (grub_pci_device_t dev, int regb; int i; static int controller = 0; + int cs5536 = 0; + int nports = 2; /* Read class. */ addr = grub_pci_make_address (dev, 2); class = grub_pci_read (addr); + /* AMD CS5536 Southbridge. */ + if (pciid == 0x208f1022) + { + cs5536 = 1; + nports = 1; + } + /* Check if this class ID matches that of a PCI IDE Controller. */ - if (class >> 16 != 0x0101) + if (!cs5536 && (class >> 16 != 0x0101)) return 0; - for (i = 0; i < 2; i++) + for (i = 0; i < nports; i++) { /* Set to 0 when the channel operated in compatibility mode. */ - int compat = (class >> (8 + 2 * i)) & 1; + int compat; + + /* We don't support non-compatibility mode for CS5536. */ + if (cs5536) + compat = 0; + else + compat = (class >> (8 + 2 * i)) & 1; rega = 0; regb = 0; @@ -488,49 +500,6 @@ grub_ata_initialize (void) grub_pci_iterate (grub_ata_pciinit); return 0; } -#endif - -static grub_err_t -grub_ata_initialize (void) -{ - int rega; - int regb; - - rega = grub_ata_ioaddress[0]; - regb = grub_ata_ioaddress2[0]; - - grub_dprintf ("ata", - "rega=0x%x regb=0x%x\n", - rega, regb); - - if (rega && regb) - { - grub_errno = GRUB_ERR_NONE; - grub_ata_device_initialize (0, 0, rega, regb); - - /* Most errors raised by grub_ata_device_initialize() are harmless. - They just indicate this particular drive is not responding, most - likely because it doesn't exist. We might want to ignore specific - error types here, instead of printing them. */ - if (grub_errno) - { - grub_print_error (); - grub_errno = GRUB_ERR_NONE; - } - - grub_ata_device_initialize (0, 1, rega, regb); - - /* Likewise. */ - if (grub_errno) - { - grub_print_error (); - grub_errno = GRUB_ERR_NONE; - } - } - - return 0; -} - static void grub_ata_setlba (struct grub_ata_device *dev, grub_disk_addr_t sector, diff --git a/include/grub/i386/pci.h b/include/grub/i386/pci.h index a62adf507..5ed93c28f 100644 --- a/include/grub/i386/pci.h +++ b/include/grub/i386/pci.h @@ -22,6 +22,7 @@ #include #include +#define GRUB_MACHINE_PCI_IO_BASE 0 #define GRUB_PCI_ADDR_REG 0xcf8 #define GRUB_PCI_DATA_REG 0xcfc #define GRUB_PCI_NUM_BUS 256 diff --git a/include/grub/mips/yeeloong/pci.h b/include/grub/mips/yeeloong/pci.h index 8ba9f39d8..c7bd31d4f 100644 --- a/include/grub/mips/yeeloong/pci.h +++ b/include/grub/mips/yeeloong/pci.h @@ -25,6 +25,7 @@ #define GRUB_PCI_NUM_BUS 1 #define GRUB_PCI_NUM_DEVICES 16 +#define GRUB_MACHINE_PCI_IO_BASE 0xbfd00000 #define GRUB_MACHINE_PCI_CONFSPACE 0xbfe80000 #define GRUB_MACHINE_PCI_CONF_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00118) #define GRUB_MACHINE_PCI_IO_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00110) From 77546cfd8f761de380a74ed6c87ea8bffb07cb5a Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 9 Nov 2009 22:07:57 +0100 Subject: [PATCH 077/128] Restored missing headers --- include/grub/mips/reboot.h | 24 ++++++++++++++++++++++++ include/grub/mips/yeeloong/boot.h | 0 2 files changed, 24 insertions(+) create mode 100644 include/grub/mips/reboot.h create mode 100644 include/grub/mips/yeeloong/boot.h diff --git a/include/grub/mips/reboot.h b/include/grub/mips/reboot.h new file mode 100644 index 000000000..b28fca158 --- /dev/null +++ b/include/grub/mips/reboot.h @@ -0,0 +1,24 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_REBOOT_CPU_HEADER +#define GRUB_REBOOT_CPU_HEADER 1 + +extern void grub_reboot (void); + +#endif diff --git a/include/grub/mips/yeeloong/boot.h b/include/grub/mips/yeeloong/boot.h new file mode 100644 index 000000000..e69de29bb From ade85305f87463be23b8c67c38cf670ab6f9dfff Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 21 Nov 2009 17:33:23 +0100 Subject: [PATCH 078/128] recognise mips64(el) targets --- configure.ac | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/configure.ac b/configure.ac index 96aae837e..ed41cc232 100644 --- a/configure.ac +++ b/configure.ac @@ -46,12 +46,12 @@ AC_ARG_PROGRAM case "$target_cpu" in i[[3456]]86) target_cpu=i386 ;; sparc) target_cpu=sparc64 ;; - mipsel) + mipsel|mips64el) target_cpu=mips; TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPSEL=1"; CFLAGS="$CFLAGS -DGRUB_CPU_MIPSEL=1"; ;; - mips) + mips|mips64) target_cpu=mips; TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPS=1"; CFLAGS="$CFLAGS -DGRUB_CPU_MIPS=1"; From 6abdf8e20d872d2aa991360c394479461fe3125b Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 21 Nov 2009 17:33:52 +0100 Subject: [PATCH 079/128] Fix for native miscompilation --- conf/mips.rmk | 2 +- genmoddep.awk | 2 +- include/grub/dl.h | 7 +++++++ include/grub/mips/dl.h | 25 ------------------------- kern/main.c | 3 +++ kern/mips/dl.c | 12 +++++++++--- 6 files changed, 21 insertions(+), 30 deletions(-) delete mode 100644 include/grub/mips/dl.h diff --git a/conf/mips.rmk b/conf/mips.rmk index cd99cca75..233e21180 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -17,7 +17,7 @@ kernel_img_HEADERS = boot.h cache.h device.h disk.h dl.h elf.h elfload.h \ env.h err.h file.h fs.h kernel.h misc.h mm.h net.h parser.h reader.h \ symbol.h term.h time.h types.h loader.h partition.h \ msdos_partition.h machine/kernel.h handler.h list.h \ - command.h machine/memory.h cpu/libgcc.h cpu/cache.h cpu/dl.h + command.h machine/memory.h cpu/libgcc.h cpu/cache.h symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h gensymlist.sh /bin/sh gensymlist.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1) diff --git a/genmoddep.awk b/genmoddep.awk index f7f085e99..19ac80c71 100644 --- a/genmoddep.awk +++ b/genmoddep.awk @@ -29,7 +29,7 @@ FNR == 1 { if ($1 in symtab) { modtab[module] = modtab[module] " " symtab[$1]; } - else { + else if ($1 != "__gnu_local_gp") { printf "%s in %s is not defined\n", $1, module >"/dev/stderr"; error++; exit; diff --git a/include/grub/dl.h b/include/grub/dl.h index 3f8b328da..5bfcb0cf7 100644 --- a/include/grub/dl.h +++ b/include/grub/dl.h @@ -116,4 +116,11 @@ grub_err_t EXPORT_FUNC(grub_dl_register_symbol) (const char *name, void *addr, grub_err_t grub_arch_dl_check_header (void *ehdr); grub_err_t grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr); +grub_err_t grub_arch_dl_check_header (void *ehdr); + +#if defined (_mips) && ! defined (GRUB_UTIL) +#define GRUB_LINKER_HAVE_INIT 1 +void grub_arch_dl_init_linker (void); +#endif + #endif /* ! GRUB_DL_H */ diff --git a/include/grub/mips/dl.h b/include/grub/mips/dl.h deleted file mode 100644 index 9f8404e72..000000000 --- a/include/grub/mips/dl.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_CPU_DL_H -#define GRUB_CPU_DL_H 1 - -/* Dummy __gnu_local_gp. Resolved by linker. */ -extern char EXPORT_VAR (__gnu_local_gp); - -#endif /* ! GRUB_CPU_DL_H */ diff --git a/kern/main.c b/kern/main.c index 084ce621b..fa6fba42a 100644 --- a/kern/main.c +++ b/kern/main.c @@ -154,6 +154,9 @@ grub_main (void) /* Load pre-loaded modules and free the space. */ grub_register_exported_symbols (); +#ifdef GRUB_LINKER_HAVE_INIT + grub_arch_dl_init_linker (); +#endif grub_load_modules (); /* Hello. */ diff --git a/kern/mips/dl.c b/kern/mips/dl.c index a937c79b4..f2a0af0d5 100644 --- a/kern/mips/dl.c +++ b/kern/mips/dl.c @@ -23,10 +23,9 @@ #include #include #include -#include /* Dummy __gnu_local_gp. Resolved by linker. */ -char __gnu_local_gp; +static char __gnu_local_gp_dummy; /* Check if EHDR is a valid ELF header. */ grub_err_t @@ -155,7 +154,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) addr = (Elf_Word *) ((char *) seg->addr + rel->r_offset); sym = (Elf_Sym *) ((char *) mod->symtab + entsize * ELF_R_SYM (rel->r_info)); - if (sym->st_value == (grub_addr_t) &__gnu_local_gp) + if (sym->st_value == (grub_addr_t) &__gnu_local_gp_dummy) sym->st_value = (grub_addr_t) gp; switch (ELF_R_TYPE (rel->r_info)) @@ -224,3 +223,10 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) return GRUB_ERR_NONE; } + +void +grub_arch_dl_init_linker (void) +{ + grub_dl_register_symbol ("__gnu_local_gp", &__gnu_local_gp_dummy, 0); +} + From befd7fb24a66b5bcfb22a48afff5fe92b6cebf98 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 22 Nov 2009 02:54:03 +0100 Subject: [PATCH 080/128] Fixed path to grub-mkrawimage.c --- po/POTFILES | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/po/POTFILES b/po/POTFILES index 5b1239a5e..241b192d8 100644 --- a/po/POTFILES +++ b/po/POTFILES @@ -1,5 +1,5 @@ # List of files which contain translatable strings. -util/i386/pc/grub-mkimage.c +util/grub-mkrawimage.c util/i386/pc/grub-setup.c util/mkisofs/eltorito.c From 6755a5c359ff0cca213e338269524005b56a9486 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 22 Nov 2009 02:55:07 +0100 Subject: [PATCH 081/128] Fixed grub-mkimage source list --- conf/mips.rmk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 233e21180..02c96d2eb 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -106,7 +106,7 @@ bin_SCRIPTS = # For grub-mkimage. bin_UTILITIES += grub-mkimage -grub_mkimage_SOURCES = util/grub-mkrawimage.c util/misc.c \ +grub_mkimage_SOURCES = gnulib/progname.c util/grub-mkrawimage.c util/misc.c \ util/resolve.c lib/LzmaEnc.c lib/LzFind.c grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(LINK_BASE) util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile From 42810eb1a0c7c789a177a19a15d76cf2db42a99b Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 22 Nov 2009 02:56:49 +0100 Subject: [PATCH 082/128] Improved cache handling --- kern/mips/cache.S | 2 -- lib/mips/relocator_asm.S | 10 ++++------ 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/kern/mips/cache.S b/kern/mips/cache.S index e4436450f..a226069fd 100644 --- a/kern/mips/cache.S +++ b/kern/mips/cache.S @@ -6,8 +6,6 @@ FUNCTION (grub_arch_sync_caches) repeat: cache 1, 0($a0) cache 0, 0($a0) - cache 3, 0($a0) - cache 0, 0($a0) addiu $a0, $a0, 1 addiu $a1, $a1, 0xffff bne $a1, $zero, repeat diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S index 6f6108edc..f901fbe89 100644 --- a/lib/mips/relocator_asm.S +++ b/lib/mips/relocator_asm.S @@ -30,14 +30,13 @@ VARIABLE (grub_relocator32_forward_start) copycont1: lb $11,0($8) sb $11,0($9) + cache 1, 0($9) + cache 0, 0($9) addiu $8, $8, 0x1 addiu $9, $9, 0x1 addiu $10, $10, 0xffff subu $11,$10,$0 bne $11, $0, copycont1 -#if __mips >= 2 - sync -#endif VARIABLE (grub_relocator32_forward_end) VARIABLE (grub_relocator32_backward_start) @@ -49,12 +48,11 @@ VARIABLE (grub_relocator32_backward_start) copycont2: lb $11,0($8) sb $11,0($9) + cache 1, 0($9) + cache 0, 0($9) addiu $8, $8, 0xffff addiu $9, $9, 0xffff addiu $10, 0xffff subu $11,$10,$0 bne $11, $0, copycont2 -#if __mips >= 2 - sync -#endif VARIABLE (grub_relocator32_backward_end) From 8719095cc8942b5b8d23fc48ebf90e1bcda3d0a5 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 22 Nov 2009 15:05:20 +0100 Subject: [PATCH 083/128] Hopefully fixed cache problems in relocator --- lib/mips/relocator.c | 5 +++++ lib/mips/relocator_asm.S | 29 +++++++++++++++++++++-------- lib/relocator.c | 17 +++++++++++++++++ 3 files changed, 43 insertions(+), 8 deletions(-) diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index 4a67418c4..61c93e39f 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -22,6 +22,7 @@ #include #include #include +#include #include @@ -80,6 +81,8 @@ write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest, for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); + grub_arch_sync_caches (ptr0, ptr - ptr0); + grub_dprintf ("relocator", "Backward relocator: about to jump to %p\n", ptr0); ((void (*) (void)) ptr0) (); } @@ -98,6 +101,8 @@ write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest, for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); + grub_arch_sync_caches (ptr0, ptr - ptr0); + grub_dprintf ("relocator", "Forward relocator: about to jump to %p\n", ptr0); ((void (*) (void)) ptr0) (); } diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S index f901fbe89..f9cdf1470 100644 --- a/lib/mips/relocator_asm.S +++ b/lib/mips/relocator_asm.S @@ -17,29 +17,35 @@ */ #include - -#ifdef BACKWARD -#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_backward_ ## x) -#else -#define RELOCATOR_VARIABLE(x) VARIABLE(grub_relocator32_forward_ ## x) -#endif .p2align 4 /* force 16-byte alignment */ VARIABLE (grub_relocator32_forward_start) + move $12, $9 + move $13, $10 + copycont1: lb $11,0($8) sb $11,0($9) - cache 1, 0($9) - cache 0, 0($9) addiu $8, $8, 0x1 addiu $9, $9, 0x1 addiu $10, $10, 0xffff subu $11,$10,$0 bne $11, $0, copycont1 + +cachecont1: + cache 1,0($12) + cache 0,0($12) + addiu $12, $12, 0x1 + addiu $13, $13, 0xffff + subu $11,$13,$0 + bne $11, $0, cachecont1 VARIABLE (grub_relocator32_forward_end) VARIABLE (grub_relocator32_backward_start) + move $12, $9 + move $13, $10 + addu $9, $9, $10 addu $8, $8, $10 /* Backward movsl is implicitly off-by-one. compensate that. */ @@ -55,4 +61,11 @@ copycont2: addiu $10, 0xffff subu $11,$10,$0 bne $11, $0, copycont2 +cachecont2: + cache 1,0($12) + cache 0,0($12) + addiu $12, $12, 0x1 + addiu $13, $13, 0xffff + subu $11,$13,$0 + bne $11, $0, cachecont2 VARIABLE (grub_relocator32_backward_end) diff --git a/lib/relocator.c b/lib/relocator.c index e551f337f..bebf7ada9 100644 --- a/lib/relocator.c +++ b/lib/relocator.c @@ -69,12 +69,23 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest, playground = (char *) relocator - RELOCATOR_SIZEOF (forward); size = *(grub_size_t *) playground; + grub_dprintf ("relocator", + "Relocator: source: %p, destination: 0x%x, size: 0x%x\n", + relocator, dest, size); + if (UINT_TO_PTR (dest) >= relocator) { int overhead; overhead = ALIGN_UP (dest - RELOCATOR_SIZEOF (backward) - RELOCATOR_ALIGN, RELOCATOR_ALIGN); + grub_dprintf ("relocator", + "Backward relocator: code %p, source: %p, " + "destination: 0x%x, size: 0x%x\n", + (char *) relocator - overhead, + (char *) relocator - overhead, + dest - overhead, size + overhead); + write_call_relocator_bw ((char *) relocator - overhead, (char *) relocator - overhead, dest - overhead, size + overhead, state); @@ -85,6 +96,12 @@ PREFIX (boot) (void *relocator, grub_uint32_t dest, overhead = ALIGN_UP (dest + size, RELOCATOR_ALIGN) + RELOCATOR_SIZEOF (forward) - (dest + size); + grub_dprintf ("relocator", + "Forward relocator: code %p, source: %p, " + "destination: 0x%x, size: 0x%x\n", + (char *) relocator + size + overhead + - RELOCATOR_SIZEOF (forward), + relocator, dest, size + overhead); write_call_relocator_fw ((char *) relocator + size + overhead - RELOCATOR_SIZEOF (forward), From 1c805a5a3ec6de0f2ef1a0bae67625b199fbf6c1 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 23 Nov 2009 00:16:49 +0100 Subject: [PATCH 084/128] Fixed cache invalidating --- kern/mips/cache.S | 31 ++++++++++++++++++++++++------- lib/mips/relocator.c | 4 ++-- 2 files changed, 26 insertions(+), 9 deletions(-) diff --git a/kern/mips/cache.S b/kern/mips/cache.S index a226069fd..8353e1b04 100644 --- a/kern/mips/cache.S +++ b/kern/mips/cache.S @@ -3,10 +3,27 @@ /* FIXME: This should invalidate only part of memory. */ FUNCTION (grub_cpu_flush_cache) FUNCTION (grub_arch_sync_caches) -repeat: - cache 1, 0($a0) - cache 0, 0($a0) - addiu $a0, $a0, 1 - addiu $a1, $a1, 0xffff - bne $a1, $zero, repeat - j $31 + move $t2, $a0 + addu $t3, $a0, $a1 + srl $t2, $t2, 5 + sll $t2, $t2, 5 + addu $t3, $t3, 0x1f + srl $t3, $t3, 5 + sll $t3, $t3, 5 + move $t0, $t2 + subu $t1, $t3, $t2 +r1: + cache 1, 0($t0) + addiu $t0, $t0, 0x1 + addiu $t1, $t1, 0xffff + bne $t1, $zero, r1 + sync + move $t0, $t2 + subu $t1, $t3, $t2 +r2: + cache 0, 0($t0) + addiu $t0, $t0, 0x1 + addiu $t1, $t1, 0xffff + bne $t1, $zero, r2 + sync + j $ra diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index 61c93e39f..796473bf7 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -81,7 +81,7 @@ write_call_relocator_bw (void *ptr0, void *src, grub_uint32_t dest, for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); - grub_arch_sync_caches (ptr0, ptr - ptr0); + grub_arch_sync_caches (ptr0, (grub_uint8_t *) ptr - (grub_uint8_t *) ptr0); grub_dprintf ("relocator", "Backward relocator: about to jump to %p\n", ptr0); ((void (*) (void)) ptr0) (); } @@ -101,7 +101,7 @@ write_call_relocator_fw (void *ptr0, void *src, grub_uint32_t dest, for (i = 1; i < 32; i++) write_reg (i, state.gpr[i], &ptr); write_jump (state.jumpreg, &ptr); - grub_arch_sync_caches (ptr0, ptr - ptr0); + grub_arch_sync_caches (ptr0, (grub_uint8_t *) ptr - (grub_uint8_t *) ptr0); grub_dprintf ("relocator", "Forward relocator: about to jump to %p\n", ptr0); ((void (*) (void)) ptr0) (); } From 8eea9034f874cece57c42bc2ce447128bb914cba Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 23 Nov 2009 20:18:10 +0100 Subject: [PATCH 085/128] Use LOCAL in relocator --- lib/i386/relocator_asm.S | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/lib/i386/relocator_asm.S b/lib/i386/relocator_asm.S index 72c057ce2..343991d3d 100644 --- a/lib/i386/relocator_asm.S +++ b/lib/i386/relocator_asm.S @@ -48,7 +48,7 @@ RELOCATOR_VARIABLE(start) #ifdef BACKWARD -L_base: +LOCAL(base): #endif cli @@ -127,23 +127,23 @@ RELOCATOR_VARIABLE(size) /* %rax contains now our new 'base'. */ mov RAX, RSI - add $(L_cont0 - L_base), RAX + add $(LOCAL(cont0) - LOCAL(base)), RAX jmp *RAX -L_cont0: - lea (L_cont1 - L_base) (RSI, 1), RAX - movl %eax, (L_jump_vector - L_base) (RSI, 1) +LOCAL(cont0): + lea (LOCAL(cont1) - LOCAL(base)) (RSI, 1), RAX + movl %eax, (LOCAL(jump_vector) - LOCAL(base)) (RSI, 1) - lea (L_gdt - L_base) (RSI, 1), RAX - mov RAX, (L_gdt_addr - L_base) (RSI, 1) + lea (LOCAL(gdt) - LOCAL(base)) (RSI, 1), RAX + mov RAX, (LOCAL(gdt_addr) - LOCAL(base)) (RSI, 1) /* Switch to compatibility mode. */ - lgdt (L_gdtdesc - L_base) (RSI, 1) + lgdt (LOCAL(gdtdesc) - LOCAL(base)) (RSI, 1) /* Update %cs. Thanks to David Miller for pointing this mistake out. */ - ljmp *(L_jump_vector - L_base) (RSI, 1) + ljmp *(LOCAL(jump_vector) - LOCAL(base)) (RSI, 1) -L_cont1: +LOCAL(cont1): .code32 /* Update other registers. */ @@ -170,8 +170,8 @@ L_cont1: andl $GRUB_MEMORY_CPU_CR4_PAE_ON, %eax movl %eax, %cr4 - jmp L_cont2 -L_cont2: + jmp LOCAL(cont2) +LOCAL(cont2): .code32 /* mov imm32, %eax */ @@ -212,7 +212,7 @@ RELOCATOR_VARIABLE (eip) /* GDT. Copied from loader/i386/linux.c. */ .p2align 4 -L_gdt: +LOCAL(gdt): /* NULL. */ .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 @@ -226,9 +226,9 @@ L_gdt: .byte 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x92, 0xCF, 0x00 .p2align 4 -L_gdtdesc: +LOCAL(gdtdesc): .word 0x27 -L_gdt_addr: +LOCAL(gdt_addr): #ifdef __x86_64__ /* Filled by the code. */ .quad 0 @@ -238,13 +238,13 @@ L_gdt_addr: #endif .p2align 4 -L_jump_vector: +LOCAL(jump_vector): /* Jump location. Is filled by the code */ .long 0 .long CODE_SEGMENT #ifndef BACKWARD -L_base: +LOCAL(base): #endif RELOCATOR_VARIABLE(end) From 3c68ed3d804353ec94d3b5154e3f6e0016ba22f9 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 28 Nov 2009 23:34:48 +0100 Subject: [PATCH 086/128] Deduplicated cache handling. Fixed jump hatch being filled with random stuff --- kern/mips/cache.S | 26 ++-------------------- kern/mips/cache_flush.S | 23 ++++++++++++++++++++ lib/mips/relocator.c | 3 +++ lib/mips/relocator_asm.S | 47 +++++----------------------------------- 4 files changed, 34 insertions(+), 65 deletions(-) create mode 100644 kern/mips/cache_flush.S diff --git a/kern/mips/cache.S b/kern/mips/cache.S index 8353e1b04..2c35b6da2 100644 --- a/kern/mips/cache.S +++ b/kern/mips/cache.S @@ -1,29 +1,7 @@ + #include - /* FIXME: This should invalidate only part of memory. */ FUNCTION (grub_cpu_flush_cache) FUNCTION (grub_arch_sync_caches) - move $t2, $a0 - addu $t3, $a0, $a1 - srl $t2, $t2, 5 - sll $t2, $t2, 5 - addu $t3, $t3, 0x1f - srl $t3, $t3, 5 - sll $t3, $t3, 5 - move $t0, $t2 - subu $t1, $t3, $t2 -r1: - cache 1, 0($t0) - addiu $t0, $t0, 0x1 - addiu $t1, $t1, 0xffff - bne $t1, $zero, r1 - sync - move $t0, $t2 - subu $t1, $t3, $t2 -r2: - cache 0, 0($t0) - addiu $t0, $t0, 0x1 - addiu $t1, $t1, 0xffff - bne $t1, $zero, r2 - sync +#include "cache_flush.S" j $ra diff --git a/kern/mips/cache_flush.S b/kern/mips/cache_flush.S new file mode 100644 index 000000000..5667ee7b4 --- /dev/null +++ b/kern/mips/cache_flush.S @@ -0,0 +1,23 @@ + move $t2, $a0 + addu $t3, $a0, $a1 + srl $t2, $t2, 5 + sll $t2, $t2, 5 + addu $t3, $t3, 0x1f + srl $t3, $t3, 5 + sll $t3, $t3, 5 + move $t0, $t2 + subu $t1, $t3, $t2 +1: + cache 1, 0($t0) + addiu $t0, $t0, 0x1 + addiu $t1, $t1, 0xffff + bne $t1, $zero, 1b + sync + move $t0, $t2 + subu $t1, $t3, $t2 +2: + cache 0, 0($t0) + addiu $t0, $t0, 0x1 + addiu $t1, $t1, 0xffff + bne $t1, $zero, 2b + sync diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index 796473bf7..40be263c7 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -64,6 +64,9 @@ write_jump (int regn, void **target) /* j $r. */ *(grub_uint32_t *) *target = (regn<<21) | 0x8; *target = ((grub_uint32_t *) *target) + 1; + /* nop. */ + *(grub_uint32_t *) *target = 0; + *target = ((grub_uint32_t *) *target) + 1; } static void diff --git a/lib/mips/relocator_asm.S b/lib/mips/relocator_asm.S index 9daf0d32f..ff4fa31e0 100644 --- a/lib/mips/relocator_asm.S +++ b/lib/mips/relocator_asm.S @@ -21,8 +21,8 @@ .p2align 4 /* force 16-byte alignment */ VARIABLE (grub_relocator32_forward_start) - move $12, $9 - move $13, $10 + move $a0, $9 + move $a1, $10 copycont1: lb $11,0($8) @@ -32,31 +32,13 @@ copycont1: addiu $10, $10, 0xffff bne $10, $0, copycont1 - move $9, $12 - move $10, $13 -cachecont1a: - cache 1,0($12) - addiu $12, $12, 0x1 - addiu $13, $13, 0xffff - bne $13, $0, cachecont1a - - sync - - move $12, $9 - move $13, $10 -cachecont1b: - cache 0,0($12) - addiu $12, $12, 0x1 - addiu $13, $13, 0xffff - bne $13, $0, cachecont1b - - sync +#include "../../kern/mips/cache_flush.S" VARIABLE (grub_relocator32_forward_end) VARIABLE (grub_relocator32_backward_start) - move $12, $9 - move $13, $10 + move $a0, $9 + move $a1, $10 addu $9, $9, $10 addu $8, $8, $10 @@ -71,23 +53,6 @@ copycont2: addiu $10, 0xffff bne $10, $0, copycont2 - move $9, $12 - move $10, $13 -cachecont2a: - cache 1,0($12) - addiu $12, $12, 0x1 - addiu $13, $13, 0xffff - bne $13, $0, cachecont2a +#include "../../kern/mips/cache_flush.S" - sync - - move $12, $9 - move $13, $10 -cachecont2b: - cache 0,0($12) - addiu $12, $12, 0x1 - addiu $13, $13, 0xffff - bne $13, $0, cachecont2b - - sync VARIABLE (grub_relocator32_backward_end) From 368a0c61fd2f05347dd88a154f49aba39204317e Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 29 Nov 2009 01:09:30 +0100 Subject: [PATCH 087/128] Made linux command line work --- loader/mips/linux.c | 34 ++++++++++++++++++---------------- 1 file changed, 18 insertions(+), 16 deletions(-) diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 056eca793..26a31034c 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -38,7 +38,8 @@ static grub_size_t initrd_size; static grub_size_t linux_size; static grub_uint8_t *playground; -static grub_addr_t target_addr, entry_addr, initrd_addr, argc_addr; +static grub_addr_t target_addr, entry_addr, initrd_addr; +static int linux_argc; static grub_addr_t argv_addr, envp_addr; static grub_err_t @@ -48,7 +49,7 @@ grub_linux_boot (void) /* Boot the kernel. */ state.gpr[1] = entry_addr; - state.gpr[4] = argc_addr; + state.gpr[4] = linux_argc; state.gpr[5] = argv_addr; state.gpr[6] = envp_addr; state.jumpreg = 1; @@ -195,11 +196,16 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), grub_loader_unset (); loaded = 0; - size = sizeof (grub_uint32_t) * argc + ALIGN_UP (sizeof ("g"), 4) - + sizeof (grub_uint32_t) + (0 + 1) * sizeof (grub_uint32_t); + /* For arguments. */ + linux_argc = argc; + size = (linux_argc + 1) * sizeof (grub_uint32_t); + size += ALIGN_UP (sizeof ("g"), 4); for (i = 1; i < argc; i++) size += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); + /* For the environment. */ + size += sizeof (grub_uint32_t); + if (grub_elf_is_elf32 (elf)) err = grub_linux_load32 (elf, &extra, size); else @@ -212,33 +218,29 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), if (err) return err; - - *(grub_uint32_t *) extra = argc; - argc_addr = (grub_uint8_t *) extra - (grub_uint8_t *) playground - + target_addr; - extra = (grub_uint32_t *) extra + 1; + linux_argv = extra; argv_addr = (grub_uint8_t *) linux_argv - (grub_uint8_t *) playground + target_addr; - extra = linux_argv + argc; + extra = linux_argv + (linux_argc + 1); linux_args = extra; - + grub_memcpy (linux_args, "g", sizeof ("g")); *linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground + target_addr; - grub_memcpy (linux_args, "g", sizeof ("g")); - linux_args += ALIGN_UP (sizeof ("g"), 4); linux_argv++; + linux_args += ALIGN_UP (sizeof ("g"), 4); for (i = 1; i < argc; i++) { + grub_memcpy (linux_args, argv[i], grub_strlen (argv[i]) + 1); *linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground + target_addr; - grub_memcpy (linux_args, argv[i], grub_strlen (argv[i]) + 1); - linux_args += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); linux_argv++; + linux_args += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); } - + *linux_argv = 0; extra = linux_args; + linux_envp = extra; envp_addr = (grub_uint8_t *) linux_envp - (grub_uint8_t *) playground + target_addr; From 96c210daa3b29022e23e0fb8824d1d4297cb9239 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 29 Nov 2009 03:24:11 +0100 Subject: [PATCH 088/128] Initrd support --- loader/mips/linux.c | 88 +++++++++++++++++++++++++++++++++++---------- 1 file changed, 70 insertions(+), 18 deletions(-) diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 26a31034c..86f4201b0 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -34,13 +34,14 @@ static grub_dl_t my_mod; static int loaded; -static grub_size_t initrd_size; static grub_size_t linux_size; static grub_uint8_t *playground; -static grub_addr_t target_addr, entry_addr, initrd_addr; +static grub_addr_t target_addr, entry_addr; static int linux_argc; -static grub_addr_t argv_addr, envp_addr; +static grub_off_t argv_off, envp_off; +static grub_off_t rd_addr_arg_off, rd_size_arg_off; +static int initrd_loaded = 0; static grub_err_t grub_linux_boot (void) @@ -50,8 +51,8 @@ grub_linux_boot (void) /* Boot the kernel. */ state.gpr[1] = entry_addr; state.gpr[4] = linux_argc; - state.gpr[5] = argv_addr; - state.gpr[6] = envp_addr; + state.gpr[5] = target_addr + argv_off; + state.gpr[6] = target_addr + envp_off; state.jumpreg = 1; grub_relocator32_boot (playground, target_addr, state); @@ -198,10 +199,23 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), /* For arguments. */ linux_argc = argc; + /* Main arguments. */ size = (linux_argc + 1) * sizeof (grub_uint32_t); - size += ALIGN_UP (sizeof ("g"), 4); + /* Initrd address and size. */ + size += 2 * sizeof (grub_uint32_t); + /* NULL terminator. */ + size += sizeof (grub_uint32_t); + + /* First arguments are always "a0" and "a1". */ + size += ALIGN_UP (sizeof ("a0"), 4); + size += ALIGN_UP (sizeof ("a1"), 4); + /* Normal arguments. */ for (i = 1; i < argc; i++) size += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); + + /* rd arguments. */ + size += ALIGN_UP (sizeof ("rd_start=0xXXXXXXXXXXXXXXXX"), 4); + size += ALIGN_UP (sizeof ("rd_size=0xXXXXXXXXXXXXXXXX"), 4); /* For the environment. */ size += sizeof (grub_uint32_t); @@ -220,15 +234,21 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), return err; linux_argv = extra; - argv_addr = (grub_uint8_t *) linux_argv - (grub_uint8_t *) playground - + target_addr; - extra = linux_argv + (linux_argc + 1); + argv_off = (grub_uint8_t *) linux_argv - (grub_uint8_t *) playground; + extra = linux_argv + (linux_argc + 1 + 1 + 2); linux_args = extra; - grub_memcpy (linux_args, "g", sizeof ("g")); + + grub_memcpy (linux_args, "a0", sizeof ("a0")); *linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground + target_addr; linux_argv++; - linux_args += ALIGN_UP (sizeof ("g"), 4); + linux_args += ALIGN_UP (sizeof ("a0"), 4); + + grub_memcpy (linux_args, "a1", sizeof ("a1")); + *linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground + + target_addr; + linux_argv++; + linux_args += ALIGN_UP (sizeof ("a1"), 4); for (i = 1; i < argc; i++) { @@ -238,16 +258,28 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), linux_argv++; linux_args += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); } + + /* Reserve space for rd arguments. */ + rd_addr_arg_off = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground; + linux_args += ALIGN_UP (sizeof ("rd_start=0xXXXXXXXXXXXXXXXX"), 4); *linux_argv = 0; + linux_argv++; + + rd_size_arg_off = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground; + linux_args += ALIGN_UP (sizeof ("rd_size=0xXXXXXXXXXXXXXXXX"), 4); + *linux_argv = 0; + linux_argv++; + + *linux_argv = 0; + extra = linux_args; linux_envp = extra; - envp_addr = (grub_uint8_t *) linux_envp - (grub_uint8_t *) playground - + target_addr; + envp_off = (grub_uint8_t *) linux_envp - (grub_uint8_t *) playground; linux_envp[0] = 0; grub_loader_set (grub_linux_boot, grub_linux_unload, 1); - initrd_addr = 0; + initrd_loaded = 0; loaded = 1; grub_dl_ref (my_mod); @@ -260,6 +292,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), { grub_file_t file = 0; grub_ssize_t size; + grub_size_t overhead; if (argc == 0) return grub_error (GRUB_ERR_BAD_ARGUMENT, "no initrd specified"); @@ -267,20 +300,28 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), if (!loaded) return grub_error (GRUB_ERR_BAD_ARGUMENT, "You need to load the kernel first."); + if (initrd_loaded) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "Only one initrd can be loaded."); + file = grub_file_open (argv[0]); if (! file) return grub_errno; size = grub_file_size (file); - playground = grub_relocator32_realloc (playground, linux_size + size); + overhead = ALIGN_UP (target_addr + linux_size + 0x10000, 0x10000) + - (target_addr + linux_size); + + playground = grub_relocator32_realloc (playground, + linux_size + overhead + size); + if (!playground) { grub_file_close (file); return grub_errno; } - if (grub_file_read (file, playground + linux_size, size) != size) + if (grub_file_read (file, playground + linux_size + overhead, size) != size) { grub_error (GRUB_ERR_FILE_READ_ERROR, "Couldn't read file"); grub_file_close (file); @@ -288,8 +329,19 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), return grub_errno; } - initrd_addr = target_addr + linux_size; - initrd_size = size; + grub_sprintf ((char *) playground + rd_addr_arg_off, "rd_start=0x%llx", + (unsigned long long) target_addr + linux_size + overhead); + ((grub_uint32_t *) (playground + argv_off))[linux_argc] + = target_addr + rd_addr_arg_off; + linux_argc++; + + grub_sprintf ((char *) playground + rd_size_arg_off, "rd_size=0x%llx", + (unsigned long long) size); + ((grub_uint32_t *) (playground + argv_off))[linux_argc] + = target_addr + rd_size_arg_off; + linux_argc++; + + initrd_loaded = 1; grub_file_close (file); From badcfeeac0680962b4e0b8018b328abf21cf7ff4 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 29 Nov 2009 12:26:15 +0100 Subject: [PATCH 089/128] Fix JUMP_SIZEOF --- lib/mips/relocator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/mips/relocator.c b/lib/mips/relocator.c index 40be263c7..118ddbd6f 100644 --- a/lib/mips/relocator.c +++ b/lib/mips/relocator.c @@ -36,7 +36,7 @@ extern grub_uint8_t grub_relocator32_backward_start; extern grub_uint8_t grub_relocator32_backward_end; #define REGW_SIZEOF (2 * sizeof (grub_uint32_t)) -#define JUMP_SIZEOF (sizeof (grub_uint32_t)) +#define JUMP_SIZEOF (2 * sizeof (grub_uint32_t)) #define RELOCATOR_SRC_SIZEOF(x) (&grub_relocator32_##x##_end \ - &grub_relocator32_##x##_start) From adbba2a4ef44ccb309dfbf89b5321ff2794d3c46 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 08:37:43 +0100 Subject: [PATCH 090/128] Remove debug serial console with hardcoded address --- kern/term.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/kern/term.c b/kern/term.c index 271cf8d78..0e3595df3 100644 --- a/kern/term.c +++ b/kern/term.c @@ -51,10 +51,7 @@ grub_putcode (grub_uint32_t code) int height = grub_getwh () & 255; if (!grub_cur_term_output) - { - *(grub_uint8_t *)0xbff003f8 = code; - return; - } + return; if (code == '\t' && grub_cur_term_output->getxy) { From 3e5c7dc3d8a6c4e5cf2d958951a8c6fc08fc2ea1 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 08:39:17 +0100 Subject: [PATCH 091/128] Fix qemu-r4k --- conf/mips-qemu-r4k.rmk | 2 ++ conf/mips-yeeloong.rmk | 54 +++++++++++++++++++++++++++++++ conf/mips.rmk | 54 ------------------------------- configure.ac | 1 + include/grub/mips/qemu-r4k/boot.h | 0 kern/mips/qemu-r4k/init.c | 15 --------- 6 files changed, 57 insertions(+), 69 deletions(-) create mode 100644 include/grub/mips/qemu-r4k/boot.h diff --git a/conf/mips-qemu-r4k.rmk b/conf/mips-qemu-r4k.rmk index 3ff36c472..ec14d9336 100644 --- a/conf/mips-qemu-r4k.rmk +++ b/conf/mips-qemu-r4k.rmk @@ -1,4 +1,6 @@ # -*- makefile -*- LINK_BASE = 0x80010000 target_machine=qemu-r4k +COMMON_CFLAGS += -march=mips3 +COMMON_ASFLAGS += -march=mips3 include $(srcdir)/conf/mips.mk diff --git a/conf/mips-yeeloong.rmk b/conf/mips-yeeloong.rmk index 95ec26522..68c426e1b 100644 --- a/conf/mips-yeeloong.rmk +++ b/conf/mips-yeeloong.rmk @@ -11,8 +11,62 @@ pci_mod_SOURCES = bus/pci.c bus/bonito.c pci_mod_CFLAGS = $(COMMON_CFLAGS) pci_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For ata.mod. +pkglib_MODULES += ata.mod +ata_mod_SOURCES = disk/ata.c +ata_mod_CFLAGS = $(COMMON_CFLAGS) +ata_mod_LDFLAGS = $(COMMON_LDFLAGS) + # For pci.mod. pkglib_MODULES += sm712.mod sm712_mod_SOURCES = video/sm712.c sm712_mod_CFLAGS = $(COMMON_CFLAGS) sm712_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For lspci.mod +pkglib_MODULES += lspci.mod +lspci_mod_SOURCES = commands/lspci.c +lspci_mod_CFLAGS = $(COMMON_CFLAGS) +lspci_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For ohci.mod +pkglib_MODULES += ohci.mod +ohci_mod_SOURCES = bus/usb/ohci.c +ohci_mod_CFLAGS = $(COMMON_CFLAGS) +ohci_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usb.mod +pkglib_MODULES += usb.mod +usb_mod_SOURCES = bus/usb/usb.c bus/usb/usbtrans.c bus/usb/usbhub.c +usb_mod_CFLAGS = $(COMMON_CFLAGS) +usb_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usbtest.mod +pkglib_MODULES += usbtest.mod +usbtest_mod_SOURCES = commands/usbtest.c +usbtest_mod_CFLAGS = $(COMMON_CFLAGS) +usbtest_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usbms.mod +pkglib_MODULES += usbms.mod +usbms_mod_SOURCES = disk/usbms.c +usbms_mod_CFLAGS = $(COMMON_CFLAGS) +usbms_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For usb_keyboard.mod +pkglib_MODULES += usb_keyboard.mod +usb_keyboard_mod_SOURCES = term/usb_keyboard.c +usb_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) +usb_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For at_keyboard.mod. +pkglib_MODULES += at_keyboard.mod +at_keyboard_mod_SOURCES = term/at_keyboard.c +at_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) +at_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For ata_pthru.mod. +pkglib_MODULES += ata_pthru.mod +ata_pthru_mod_SOURCES = disk/ata_pthru.c +ata_pthru_mod_CFLAGS = $(COMMON_CFLAGS) +ata_pthru_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/mips.rmk b/conf/mips.rmk index fd51cfb00..8c99d9813 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -137,48 +137,6 @@ serial_mod_SOURCES = term/serial.c serial_mod_CFLAGS = $(COMMON_CFLAGS) serial_mod_LDFLAGS = $(COMMON_LDFLAGS) -# For ata.mod. -pkglib_MODULES += ata.mod -ata_mod_SOURCES = disk/ata.c -ata_mod_CFLAGS = $(COMMON_CFLAGS) -ata_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For lspci.mod -pkglib_MODULES += lspci.mod -lspci_mod_SOURCES = commands/lspci.c -lspci_mod_CFLAGS = $(COMMON_CFLAGS) -lspci_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For ohci.mod -pkglib_MODULES += ohci.mod -ohci_mod_SOURCES = bus/usb/ohci.c -ohci_mod_CFLAGS = $(COMMON_CFLAGS) -ohci_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usb.mod -pkglib_MODULES += usb.mod -usb_mod_SOURCES = bus/usb/usb.c bus/usb/usbtrans.c bus/usb/usbhub.c -usb_mod_CFLAGS = $(COMMON_CFLAGS) -usb_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usbtest.mod -pkglib_MODULES += usbtest.mod -usbtest_mod_SOURCES = commands/usbtest.c -usbtest_mod_CFLAGS = $(COMMON_CFLAGS) -usbtest_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usbms.mod -pkglib_MODULES += usbms.mod -usbms_mod_SOURCES = disk/usbms.c -usbms_mod_CFLAGS = $(COMMON_CFLAGS) -usbms_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usb_keyboard.mod -pkglib_MODULES += usb_keyboard.mod -usb_keyboard_mod_SOURCES = term/usb_keyboard.c -usb_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) -usb_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) - # For relocator.mod. pkglib_MODULES += relocator.mod relocator_mod_SOURCES = lib/$(target_cpu)/relocator.c lib/$(target_cpu)/relocator_asm.S @@ -192,16 +150,4 @@ linux_mod_CFLAGS = $(COMMON_CFLAGS) linux_mod_ASFLAGS = $(COMMON_ASFLAGS) linux_mod_LDFLAGS = $(COMMON_LDFLAGS) -# For at_keyboard.mod. -pkglib_MODULES += at_keyboard.mod -at_keyboard_mod_SOURCES = term/at_keyboard.c -at_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) -at_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For ata_pthru.mod. -pkglib_MODULES += ata_pthru.mod -ata_pthru_mod_SOURCES = disk/ata_pthru.c -ata_pthru_mod_CFLAGS = $(COMMON_CFLAGS) -ata_pthru_mod_LDFLAGS = $(COMMON_LDFLAGS) - include $(srcdir)/conf/common.mk diff --git a/configure.ac b/configure.ac index 88ef06970..62ad58a5d 100644 --- a/configure.ac +++ b/configure.ac @@ -135,6 +135,7 @@ case "$platform" in pc) machine_CFLAGS="-DGRUB_MACHINE_PCBIOS=1" ;; emu) machine_CFLAGS="-DGRUB_MACHINE_EMU=1" ;; yeeloong) machine_CFLAGS="-DGRUB_MACHINE_MIPS_YEELOONG=1 -DGRUB_MACHINE_MIPS=1 -DGRUB_MACHINE_MIPS_BONITO=1" ;; + qemu-r4k) machine_CFLAGS="-DGRUB_MACHINE_MIPS_YEELOONG=1 -DGRUB_MACHINE_MIPS=1 -DGRUB_MACHINE_MIPS_BONITO=1" ;; esac CFLAGS="$CFLAGS $machine_CFLAGS" TARGET_CFLAGS="$TARGET_CFLAGS $machine_CFLAGS" diff --git a/include/grub/mips/qemu-r4k/boot.h b/include/grub/mips/qemu-r4k/boot.h new file mode 100644 index 000000000..e69de29bb diff --git a/kern/mips/qemu-r4k/init.c b/kern/mips/qemu-r4k/init.c index 8dfda57c2..866c7a82a 100644 --- a/kern/mips/qemu-r4k/init.c +++ b/kern/mips/qemu-r4k/init.c @@ -50,21 +50,6 @@ grub_reboot (void) while (1); } -void -grub_machine_set_prefix (void) -{ - grub_env_set ("prefix", grub_prefix); -} - -extern char _start[]; -extern char _end[]; - -grub_addr_t -grub_arch_modules_addr (void) -{ - return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); -} - grub_err_t grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, From e6b9873356fc31bc226d52f65a7526e3b9838fc7 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 08:40:51 +0100 Subject: [PATCH 092/128] Remove qemu-mipssim --- conf/mips-qemu-mipssim.rmk | 4 -- configure.ac | 1 - include/grub/mips/qemu-mipssim/kernel.h | 35 ----------- include/grub/mips/qemu-mipssim/machine.h | 24 -------- include/grub/mips/qemu-mipssim/memory.h | 54 ----------------- include/grub/mips/qemu-mipssim/serial.h | 24 -------- include/grub/mips/qemu-mipssim/time.h | 35 ----------- kern/mips/qemu-mipssim/init.c | 76 ------------------------ 8 files changed, 253 deletions(-) delete mode 100644 conf/mips-qemu-mipssim.rmk delete mode 100644 include/grub/mips/qemu-mipssim/kernel.h delete mode 100644 include/grub/mips/qemu-mipssim/machine.h delete mode 100644 include/grub/mips/qemu-mipssim/memory.h delete mode 100644 include/grub/mips/qemu-mipssim/serial.h delete mode 100644 include/grub/mips/qemu-mipssim/time.h delete mode 100644 kern/mips/qemu-mipssim/init.c diff --git a/conf/mips-qemu-mipssim.rmk b/conf/mips-qemu-mipssim.rmk deleted file mode 100644 index 9000ae296..000000000 --- a/conf/mips-qemu-mipssim.rmk +++ /dev/null @@ -1,4 +0,0 @@ -# -*- makefile -*- -LINK_BASE = 0x80010000 -target_machine=qemu-mipssim -include $(srcdir)/conf/mips.mk diff --git a/configure.ac b/configure.ac index 62ad58a5d..f08195c37 100644 --- a/configure.ac +++ b/configure.ac @@ -102,7 +102,6 @@ case "$target_cpu"-"$platform" in powerpc-ieee1275) ;; sparc64-ieee1275) ;; mips-qemu-r4k) ;; - mips-qemu-mipssim) ;; mips-yeeloong) ;; *-emu) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; diff --git a/include/grub/mips/qemu-mipssim/kernel.h b/include/grub/mips/qemu-mipssim/kernel.h deleted file mode 100644 index 6a10f2df1..000000000 --- a/include/grub/mips/qemu-mipssim/kernel.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_KERNEL_MACHINE_HEADER -#define GRUB_KERNEL_MACHINE_HEADER 1 - -#include - -#ifndef ASM_FILE - -void EXPORT_FUNC (grub_reboot) (void); -void EXPORT_FUNC (grub_halt) (void); - -/* The prefix which points to the directory where GRUB modules and its - configuration file are located. */ -extern char grub_prefix[]; - -#endif - -#endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/mips/qemu-mipssim/machine.h b/include/grub/mips/qemu-mipssim/machine.h deleted file mode 100644 index 9062662bc..000000000 --- a/include/grub/mips/qemu-mipssim/machine.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2007 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_MACHINE_MACHINE_HEADER -#define GRUB_MACHINE_MACHINE_HEADER 1 - -#define GRUB_MACHINE_MIPS_QEMU_MIPSSIM 1 - -#endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/include/grub/mips/qemu-mipssim/memory.h b/include/grub/mips/qemu-mipssim/memory.h deleted file mode 100644 index 87e68674e..000000000 --- a/include/grub/mips/qemu-mipssim/memory.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_MEMORY_MACHINE_HEADER -#define GRUB_MEMORY_MACHINE_HEADER 1 - -#ifndef ASM_FILE -#include -#include -#include -#endif - -#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x80f00000 -#define GRUB_MACHINE_MEMORY_USABLE 0x81000000 - -#define GRUB_MACHINE_MEMORY_AVAILABLE 1 - -#ifndef ASM_FILE -grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate) -(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); -grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) - (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); - -static inline grub_err_t -grub_machine_mmap_register (grub_uint64_t start __attribute__ ((unused)), - grub_uint64_t size __attribute__ ((unused)), - int type __attribute__ ((unused)), - int handle __attribute__ ((unused))) -{ - return GRUB_ERR_NONE; -} -static inline grub_err_t -grub_machine_mmap_unregister (int handle __attribute__ ((unused))) -{ - return GRUB_ERR_NONE; -} -#endif - -#endif diff --git a/include/grub/mips/qemu-mipssim/serial.h b/include/grub/mips/qemu-mipssim/serial.h deleted file mode 100644 index 55d64fec4..000000000 --- a/include/grub/mips/qemu-mipssim/serial.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_MACHINE_SERIAL_HEADER -#define GRUB_MACHINE_SERIAL_HEADER 1 - -#define GRUB_MACHINE_SERIAL_PORTS { 0x1fd003f8 } - -#endif diff --git a/include/grub/mips/qemu-mipssim/time.h b/include/grub/mips/qemu-mipssim/time.h deleted file mode 100644 index 5c8564e0d..000000000 --- a/include/grub/mips/qemu-mipssim/time.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef KERNEL_MACHINE_TIME_HEADER -#define KERNEL_MACHINE_TIME_HEADER 1 - -#include - -#define GRUB_TICKS_PER_SECOND 1000 - -/* Return the real time in ticks. */ -grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); - -static inline void -grub_cpu_idle(void) -{ - /* asm volatile ("wait");*/ -} - -#endif /* ! KERNEL_MACHINE_TIME_HEADER */ diff --git a/kern/mips/qemu-mipssim/init.c b/kern/mips/qemu-mipssim/init.c deleted file mode 100644 index d4001cf1c..000000000 --- a/kern/mips/qemu-mipssim/init.c +++ /dev/null @@ -1,76 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define RAMSIZE (64 << 20) - -grub_uint32_t -grub_get_rtc (void) -{ - static int calln = 0; - return calln++; -} - -void -grub_machine_init (void) -{ - grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_USABLE, - RAMSIZE - (GRUB_MACHINE_MEMORY_USABLE & 0x7fffffff)); - grub_install_get_time_ms (grub_rtc_get_time_ms); -} - -void -grub_machine_fini (void) -{ -} - -void -grub_exit (void) -{ - while (1); -} - -void -grub_halt (void) -{ - while (1); -} - -void -grub_reboot (void) -{ - while (1); -} - -void -grub_machine_set_prefix (void) -{ - grub_env_set ("prefix", grub_prefix); -} - -extern char _start[]; -extern char _end[]; - -grub_addr_t -grub_arch_modules_addr (void) -{ - return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); -} - -grub_err_t -grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, - grub_uint64_t, - grub_uint32_t)) -{ - hook (0, RAMSIZE, - GRUB_MACHINE_MEMORY_AVAILABLE); - return GRUB_ERR_NONE; -} From 7b5f334bc0840ce65fc681593c7d98336c3e3f57 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 08:49:36 +0100 Subject: [PATCH 093/128] Rename qemu-r4k to qemu-mips --- conf/{mips-qemu-r4k.rmk => mips-qemu-mips.rmk} | 2 +- configure.ac | 4 ++-- include/grub/mips/{qemu-r4k => qemu-mips}/boot.h | 0 include/grub/mips/{qemu-r4k => qemu-mips}/kernel.h | 0 include/grub/mips/{qemu-r4k => qemu-mips}/loader.h | 0 include/grub/mips/{qemu-r4k => qemu-mips}/machine.h | 0 include/grub/mips/{qemu-r4k => qemu-mips}/memory.h | 0 include/grub/mips/{qemu-r4k => qemu-mips}/serial.h | 0 include/grub/mips/{qemu-r4k => qemu-mips}/time.h | 0 kern/mips/{qemu-r4k => qemu-mips}/init.c | 0 10 files changed, 3 insertions(+), 3 deletions(-) rename conf/{mips-qemu-r4k.rmk => mips-qemu-mips.rmk} (84%) rename include/grub/mips/{qemu-r4k => qemu-mips}/boot.h (100%) rename include/grub/mips/{qemu-r4k => qemu-mips}/kernel.h (100%) rename include/grub/mips/{qemu-r4k => qemu-mips}/loader.h (100%) rename include/grub/mips/{qemu-r4k => qemu-mips}/machine.h (100%) rename include/grub/mips/{qemu-r4k => qemu-mips}/memory.h (100%) rename include/grub/mips/{qemu-r4k => qemu-mips}/serial.h (100%) rename include/grub/mips/{qemu-r4k => qemu-mips}/time.h (100%) rename kern/mips/{qemu-r4k => qemu-mips}/init.c (100%) diff --git a/conf/mips-qemu-r4k.rmk b/conf/mips-qemu-mips.rmk similarity index 84% rename from conf/mips-qemu-r4k.rmk rename to conf/mips-qemu-mips.rmk index ec14d9336..d5a985a13 100644 --- a/conf/mips-qemu-r4k.rmk +++ b/conf/mips-qemu-mips.rmk @@ -1,6 +1,6 @@ # -*- makefile -*- LINK_BASE = 0x80010000 -target_machine=qemu-r4k +target_machine=qemu-mips COMMON_CFLAGS += -march=mips3 COMMON_ASFLAGS += -march=mips3 include $(srcdir)/conf/mips.mk diff --git a/configure.ac b/configure.ac index f08195c37..8b089ee58 100644 --- a/configure.ac +++ b/configure.ac @@ -101,7 +101,7 @@ case "$target_cpu"-"$platform" in i386-qemu) ;; powerpc-ieee1275) ;; sparc64-ieee1275) ;; - mips-qemu-r4k) ;; + mips-qemu-mips) ;; mips-yeeloong) ;; *-emu) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; @@ -134,7 +134,7 @@ case "$platform" in pc) machine_CFLAGS="-DGRUB_MACHINE_PCBIOS=1" ;; emu) machine_CFLAGS="-DGRUB_MACHINE_EMU=1" ;; yeeloong) machine_CFLAGS="-DGRUB_MACHINE_MIPS_YEELOONG=1 -DGRUB_MACHINE_MIPS=1 -DGRUB_MACHINE_MIPS_BONITO=1" ;; - qemu-r4k) machine_CFLAGS="-DGRUB_MACHINE_MIPS_YEELOONG=1 -DGRUB_MACHINE_MIPS=1 -DGRUB_MACHINE_MIPS_BONITO=1" ;; + qemu-mips) machine_CFLAGS="-DGRUB_MACHINE_MIPS_QEMU_MIPS=1 -DGRUB_MACHINE_MIPS=1 -DGRUB_MACHINE_MIPS_BONITO=1" ;; esac CFLAGS="$CFLAGS $machine_CFLAGS" TARGET_CFLAGS="$TARGET_CFLAGS $machine_CFLAGS" diff --git a/include/grub/mips/qemu-r4k/boot.h b/include/grub/mips/qemu-mips/boot.h similarity index 100% rename from include/grub/mips/qemu-r4k/boot.h rename to include/grub/mips/qemu-mips/boot.h diff --git a/include/grub/mips/qemu-r4k/kernel.h b/include/grub/mips/qemu-mips/kernel.h similarity index 100% rename from include/grub/mips/qemu-r4k/kernel.h rename to include/grub/mips/qemu-mips/kernel.h diff --git a/include/grub/mips/qemu-r4k/loader.h b/include/grub/mips/qemu-mips/loader.h similarity index 100% rename from include/grub/mips/qemu-r4k/loader.h rename to include/grub/mips/qemu-mips/loader.h diff --git a/include/grub/mips/qemu-r4k/machine.h b/include/grub/mips/qemu-mips/machine.h similarity index 100% rename from include/grub/mips/qemu-r4k/machine.h rename to include/grub/mips/qemu-mips/machine.h diff --git a/include/grub/mips/qemu-r4k/memory.h b/include/grub/mips/qemu-mips/memory.h similarity index 100% rename from include/grub/mips/qemu-r4k/memory.h rename to include/grub/mips/qemu-mips/memory.h diff --git a/include/grub/mips/qemu-r4k/serial.h b/include/grub/mips/qemu-mips/serial.h similarity index 100% rename from include/grub/mips/qemu-r4k/serial.h rename to include/grub/mips/qemu-mips/serial.h diff --git a/include/grub/mips/qemu-r4k/time.h b/include/grub/mips/qemu-mips/time.h similarity index 100% rename from include/grub/mips/qemu-r4k/time.h rename to include/grub/mips/qemu-mips/time.h diff --git a/kern/mips/qemu-r4k/init.c b/kern/mips/qemu-mips/init.c similarity index 100% rename from kern/mips/qemu-r4k/init.c rename to kern/mips/qemu-mips/init.c From 0ee6924f69ed278d19764705ac1acdbc92216c2b Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 10:00:54 +0100 Subject: [PATCH 094/128] Revert USB-related MIPS changes --- bus/usb/ohci.c | 27 +++++++++++---------------- conf/mips-yeeloong.rmk | 30 ------------------------------ term/usb_keyboard.c | 1 + 3 files changed, 12 insertions(+), 46 deletions(-) diff --git a/bus/usb/ohci.c b/bus/usb/ohci.c index 163cee2eb..5fe9c9507 100644 --- a/bus/usb/ohci.c +++ b/bus/usb/ohci.c @@ -27,9 +27,6 @@ #include #include -#define vtop(x) ((x) & 0x7fffffff) -#define ptov(x) ((x) | 0x80000000) - struct grub_ohci_hcca { /* Pointers to Interrupt Endpoint Descriptors. Not used by @@ -155,7 +152,7 @@ grub_ohci_pci_iter (grub_pci_device_t dev, if (! o) return 1; - o->iobase = (grub_uint32_t *) ptov (base); + o->iobase = (grub_uint32_t *) base; /* Reserve memory for the HCCA. */ o->hcca = (struct grub_ohci_hcca *) grub_memalign (256, 256); @@ -181,7 +178,7 @@ grub_ohci_pci_iter (grub_pci_device_t dev, grub_ohci_writereg32 (o, GRUB_OHCI_REG_FRAME_INTERVAL, frame_interval); /* Setup the HCCA. */ - grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, vtop ((grub_uint32_t) o->hcca)); + grub_ohci_writereg32 (o, GRUB_OHCI_REG_HCCA, (grub_uint32_t) o->hcca); grub_dprintf ("ohci", "OHCI HCCA\n"); /* Enable the OHCI. */ @@ -267,10 +264,10 @@ grub_ohci_transaction (grub_ohci_td_t td, buffer = (grub_uint32_t) data; buffer_end = buffer + size - 1; - td->token = grub_cpu_to_le32 (vtop (token)); - td->buffer = grub_cpu_to_le32 (vtop (buffer)); + td->token = grub_cpu_to_le32 (token); + td->buffer = grub_cpu_to_le32 (buffer); td->next_td = 0; - td->buffer_end = grub_cpu_to_le32 (vtop (buffer_end)); + td->buffer_end = grub_cpu_to_le32 (buffer_end); } static grub_usb_err_t @@ -310,8 +307,7 @@ grub_ohci_transfer (grub_usb_controller_t dev, grub_ohci_transaction (&td_list[i], tr->pid, tr->toggle, tr->size, tr->data); - td_list[i].next_td = grub_cpu_to_le32 (vtop ((grub_addr_t) - &td_list[i + 1])); + td_list[i].next_td = grub_cpu_to_le32 (&td_list[i + 1]); } /* Setup the Endpoint Descriptor. */ @@ -328,9 +324,9 @@ grub_ohci_transfer (grub_usb_controller_t dev, /* Set the maximum packet size. */ target |= transfer->max << 16; - td_head = vtop ((grub_uint32_t) td_list); + td_head = (grub_uint32_t) td_list; - td_tail = vtop ((grub_uint32_t) &td_list[transfer->transcnt]); + td_tail = (grub_uint32_t) &td_list[transfer->transcnt]; ed->target = grub_cpu_to_le32 (target); ed->td_head = grub_cpu_to_le32 (td_head); @@ -357,8 +353,7 @@ grub_ohci_transfer (grub_usb_controller_t dev, status &= ~(1 << 2); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status); - grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, - vtop ((grub_uint32_t) ed)); + grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, (grub_uint32_t) ed); /* Enable the Bulk list. */ control |= 1 << 5; @@ -386,9 +381,9 @@ grub_ohci_transfer (grub_usb_controller_t dev, grub_ohci_writereg32 (o, GRUB_OHCI_REG_CMDSTATUS, status); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, - vtop ((grub_uint32_t) ed)); + (grub_uint32_t) ed); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD+1, - vtop ((grub_uint32_t) ed)); + (grub_uint32_t) ed); /* Enable the Control list. */ control |= 1 << 4; diff --git a/conf/mips-yeeloong.rmk b/conf/mips-yeeloong.rmk index 68c426e1b..16909487d 100644 --- a/conf/mips-yeeloong.rmk +++ b/conf/mips-yeeloong.rmk @@ -29,36 +29,6 @@ lspci_mod_SOURCES = commands/lspci.c lspci_mod_CFLAGS = $(COMMON_CFLAGS) lspci_mod_LDFLAGS = $(COMMON_LDFLAGS) -# For ohci.mod -pkglib_MODULES += ohci.mod -ohci_mod_SOURCES = bus/usb/ohci.c -ohci_mod_CFLAGS = $(COMMON_CFLAGS) -ohci_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usb.mod -pkglib_MODULES += usb.mod -usb_mod_SOURCES = bus/usb/usb.c bus/usb/usbtrans.c bus/usb/usbhub.c -usb_mod_CFLAGS = $(COMMON_CFLAGS) -usb_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usbtest.mod -pkglib_MODULES += usbtest.mod -usbtest_mod_SOURCES = commands/usbtest.c -usbtest_mod_CFLAGS = $(COMMON_CFLAGS) -usbtest_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usbms.mod -pkglib_MODULES += usbms.mod -usbms_mod_SOURCES = disk/usbms.c -usbms_mod_CFLAGS = $(COMMON_CFLAGS) -usbms_mod_LDFLAGS = $(COMMON_LDFLAGS) - -# For usb_keyboard.mod -pkglib_MODULES += usb_keyboard.mod -usb_keyboard_mod_SOURCES = term/usb_keyboard.c -usb_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) -usb_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) - # For at_keyboard.mod. pkglib_MODULES += at_keyboard.mod at_keyboard_mod_SOURCES = term/at_keyboard.c diff --git a/term/usb_keyboard.c b/term/usb_keyboard.c index 69d5709b6..5d76c5e02 100644 --- a/term/usb_keyboard.c +++ b/term/usb_keyboard.c @@ -18,6 +18,7 @@ */ #include +#include #include #include #include From 035a008c137592a0a0ae2125cfda8d946a1436e3 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 11:44:29 +0100 Subject: [PATCH 095/128] Remove leftover --- include/grub/dl.h | 2 - include/grub/i386/memory.h.moved | 30 -------- include/grub/i386/relocator.h.moved | 41 ----------- include/grub/mips/qemu-mips/machine.h | 24 ------ kern/mips/startup.S | 2 - lib/i386/relocator.c.moved | 102 -------------------------- lib/i386/relocator_backward.S.moved | 2 - 7 files changed, 203 deletions(-) delete mode 100644 include/grub/i386/memory.h.moved delete mode 100644 include/grub/i386/relocator.h.moved delete mode 100644 include/grub/mips/qemu-mips/machine.h delete mode 100644 lib/i386/relocator.c.moved delete mode 100644 lib/i386/relocator_backward.S.moved diff --git a/include/grub/dl.h b/include/grub/dl.h index 5bfcb0cf7..9340b6ce4 100644 --- a/include/grub/dl.h +++ b/include/grub/dl.h @@ -116,8 +116,6 @@ grub_err_t EXPORT_FUNC(grub_dl_register_symbol) (const char *name, void *addr, grub_err_t grub_arch_dl_check_header (void *ehdr); grub_err_t grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr); -grub_err_t grub_arch_dl_check_header (void *ehdr); - #if defined (_mips) && ! defined (GRUB_UTIL) #define GRUB_LINKER_HAVE_INIT 1 void grub_arch_dl_init_linker (void); diff --git a/include/grub/i386/memory.h.moved b/include/grub/i386/memory.h.moved deleted file mode 100644 index a0f3192b8..000000000 --- a/include/grub/i386/memory.h.moved +++ /dev/null @@ -1,30 +0,0 @@ -/* memory.h - describe the memory map */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2002,2007,2008 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_MEMORY_CPU_HEADER -#define GRUB_MEMORY_CPU_HEADER 1 - -/* The flag for protected mode. */ -#define GRUB_MEMORY_CPU_CR0_PE_ON 0x1 -#define GRUB_MEMORY_CPU_CR4_PAE_ON 0x00000040 -#define GRUB_MEMORY_CPU_CR0_PAGING_ON 0x80000000 -#define GRUB_MEMORY_CPU_AMD64_MSR 0xc0000080 -#define GRUB_MEMORY_CPU_AMD64_MSR_ON 0x00000100 - -#endif /* ! GRUB_MEMORY_CPU_HEADER */ diff --git a/include/grub/i386/relocator.h.moved b/include/grub/i386/relocator.h.moved deleted file mode 100644 index ef7fe23aa..000000000 --- a/include/grub/i386/relocator.h.moved +++ /dev/null @@ -1,41 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_RELOCATOR_CPU_HEADER -#define GRUB_RELOCATOR_CPU_HEADER 1 - -#include -#include - -struct grub_relocator32_state -{ - grub_uint32_t esp; - grub_uint32_t eax; - grub_uint32_t ebx; - grub_uint32_t ecx; - grub_uint32_t edx; - grub_uint32_t eip; -}; - -void *grub_relocator32_alloc (grub_size_t size); -grub_err_t grub_relocator32_boot (void *relocator, grub_uint32_t dest, - struct grub_relocator32_state state); -void *grub_relocator32_realloc (void *relocator, grub_size_t size); -void grub_relocator32_free (void *relocator); - -#endif /* ! GRUB_RELOCATOR_CPU_HEADER */ diff --git a/include/grub/mips/qemu-mips/machine.h b/include/grub/mips/qemu-mips/machine.h deleted file mode 100644 index 386cad750..000000000 --- a/include/grub/mips/qemu-mips/machine.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2007 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_MACHINE_MACHINE_HEADER -#define GRUB_MACHINE_MACHINE_HEADER 1 - -#define GRUB_MACHINE_MIPS_QEMU_R4K 1 - -#endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/kern/mips/startup.S b/kern/mips/startup.S index afab3642e..b27442102 100644 --- a/kern/mips/startup.S +++ b/kern/mips/startup.S @@ -71,8 +71,6 @@ reloccont: li $t3, (GRUB_MOD_ALIGN-1) nor $t3, $t3, $0 and $t1, $t1, $t3 - /* Pass modules address as first argument. */ -// move $a0, $t1 lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($t9) diff --git a/lib/i386/relocator.c.moved b/lib/i386/relocator.c.moved deleted file mode 100644 index ae7caf28b..000000000 --- a/lib/i386/relocator.c.moved +++ /dev/null @@ -1,102 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#include -#include - -#include -#include -#include - -#include - -extern grub_uint8_t grub_relocator32_forward_start; -extern grub_uint8_t grub_relocator32_forward_end; -extern grub_uint8_t grub_relocator32_backward_start; -extern grub_uint8_t grub_relocator32_backward_end; - -extern grub_uint32_t grub_relocator32_backward_dest; -extern grub_uint32_t grub_relocator32_backward_size; -extern grub_addr_t grub_relocator32_backward_src; - -extern grub_uint32_t grub_relocator32_forward_dest; -extern grub_uint32_t grub_relocator32_forward_size; -extern grub_addr_t grub_relocator32_forward_src; - -extern grub_uint32_t grub_relocator32_forward_eax; -extern grub_uint32_t grub_relocator32_forward_ebx; -extern grub_uint32_t grub_relocator32_forward_ecx; -extern grub_uint32_t grub_relocator32_forward_edx; -extern grub_uint32_t grub_relocator32_forward_eip; -extern grub_uint32_t grub_relocator32_forward_esp; - -extern grub_uint32_t grub_relocator32_backward_eax; -extern grub_uint32_t grub_relocator32_backward_ebx; -extern grub_uint32_t grub_relocator32_backward_ecx; -extern grub_uint32_t grub_relocator32_backward_edx; -extern grub_uint32_t grub_relocator32_backward_eip; -extern grub_uint32_t grub_relocator32_backward_esp; - -#define RELOCATOR_SIZEOF(x) (&grub_relocator32_##x##_end - &grub_relocator32_##x##_start) -#define RELOCATOR_ALIGN 16 -#define PREFIX(x) grub_relocator32_ ## x - -static void -write_call_relocator_bw (void *ptr, void *src, grub_uint32_t dest, - grub_size_t size, struct grub_relocator32_state state) -{ - grub_relocator32_backward_dest = dest; - grub_relocator32_backward_src = PTR_TO_UINT64 (src); - grub_relocator32_backward_size = size; - - grub_relocator32_backward_eax = state.eax; - grub_relocator32_backward_ebx = state.ebx; - grub_relocator32_backward_ecx = state.ecx; - grub_relocator32_backward_edx = state.edx; - grub_relocator32_backward_eip = state.eip; - grub_relocator32_backward_esp = state.esp; - - grub_memmove (ptr, - &grub_relocator32_backward_start, - RELOCATOR_SIZEOF (backward)); - ((void (*) (void)) ptr) (); -} - -static void -write_call_relocator_fw (void *ptr, void *src, grub_uint32_t dest, - grub_size_t size, struct grub_relocator32_state state) -{ - - grub_relocator32_forward_dest = dest; - grub_relocator32_forward_src = PTR_TO_UINT64 (src); - grub_relocator32_forward_size = size; - - grub_relocator32_forward_eax = state.eax; - grub_relocator32_forward_ebx = state.ebx; - grub_relocator32_forward_ecx = state.ecx; - grub_relocator32_forward_edx = state.edx; - grub_relocator32_forward_eip = state.eip; - grub_relocator32_forward_esp = state.esp; - - grub_memmove (ptr, - &grub_relocator32_forward_start, - RELOCATOR_SIZEOF (forward)); - ((void (*) (void)) ptr) (); -} - -#include "../relocator.c" diff --git a/lib/i386/relocator_backward.S.moved b/lib/i386/relocator_backward.S.moved deleted file mode 100644 index 06913470e..000000000 --- a/lib/i386/relocator_backward.S.moved +++ /dev/null @@ -1,2 +0,0 @@ -#define BACKWARD -#include "relocator_asm.S" From 3d87b0ea7ca77f7864ebcc79a7465c0d4f0fab39 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 11:48:10 +0100 Subject: [PATCH 096/128] Fix style --- video/sm712.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/video/sm712.c b/video/sm712.c index 93156c9ae..52e43e9ae 100644 --- a/video/sm712.c +++ b/video/sm712.c @@ -92,8 +92,8 @@ grub_video_sm712_setup (unsigned int width, unsigned int height, depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK) >> GRUB_VIDEO_MODE_TYPE_DEPTH_POS; - if ((1024 != width && width != 0) || (600 != height && height != 0) - || (16 != depth && depth != 0)) + if ((width != 1024 && width != 0) || (height != 600 && height != 0) + || (depth != 16 && depth != 0)) return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, "Only 1024x600x16 is supported"); From ff684a8d7d4dcaf088ace651e3bb5a33226b0f0d Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 13:31:10 +0100 Subject: [PATCH 097/128] Propagate gettext changes from trunk --- util/grub-mkrawimage.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/util/grub-mkrawimage.c b/util/grub-mkrawimage.c index 073ebd7ed..bbdbf9c8b 100644 --- a/util/grub-mkrawimage.c +++ b/util/grub-mkrawimage.c @@ -149,7 +149,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], grub_util_load_image (kernel_path, kernel_img); if (GRUB_KERNEL_MACHINE_PREFIX + strlen (prefix) + 1 > GRUB_KERNEL_MACHINE_DATA_END) - grub_util_error (_("prefix too long")); + grub_util_error (_("prefix is too long")); strcpy (kernel_img + GRUB_KERNEL_MACHINE_PREFIX, prefix); /* Fill in the grub_module_info structure. */ @@ -419,7 +419,7 @@ static void usage (int status) { if (status) - fprintf (stderr, "Try ``grub-mkimage --help'' for more information.\n"); + fprintf (stderr, _("Try ``%s --help'' for more information.\n"), program_name); else printf (_("\ Usage: grub-mkimage [OPTION]... [MODULES]\n\ From b4c2d69bdea1b05aab5f692948ef91daaa21191d Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 13:31:47 +0100 Subject: [PATCH 098/128] Changelog --- ChangeLog.mips | 140 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 ChangeLog.mips diff --git a/ChangeLog.mips b/ChangeLog.mips new file mode 100644 index 000000000..cdfe05532 --- /dev/null +++ b/ChangeLog.mips @@ -0,0 +1,140 @@ +2009-12-02 Vladimir Serbinenko + + MIPS support. + + * bus/bonito.c: New file. + * bus/pci.c (grub_pci_iterate): Use GRUB_PCI_NUM_BUS and + GRUB_PCI_NUM_DEVICES. + * term/i386/pc/serial.c: Move to ... + * term/serial.c: ... here. All users updated. + * util/i386/pc/grub-mkimage.c: Move to ... + * util/grub-mkrawimage.c: ... here. All users updated. + * term/i386/pc/at_keyboard.c: Move to ... + * term/at_keyboard.c: ... here. All users updated. + * conf/mips-qemu-mips.rmk: New file. + * conf/mips-yeeloong.rmk: Likewise. + * conf/mips.rmk: Likewise. + * configure.ac: New platforms mipsel-yeeloong, mips-qemu-mips and + mipsel-qemu-mips. + * disk/ata.c (grub_ata_device_initialize): Add GRUB_MACHINE_PCI_IO_BASE + to port addresses. + (grub_ata_pciinit): Support CS5536. + * font/font.c (grub_font_load): Use grub_file_t instead of filename. + * font/font_cmd.c (loadfont_command): Open file before passing it to + grub_font_load. + (pseudo_file_read): New function. + (pseudo_file_close): Likewise. + (pseudo_fs): New structure. + (load_font_module): New function. + (GRUB_MOD_INIT(font_manager)): Load embedded font. + * fs/cpio.c (grub_cpio_open): Handle partial matches correctly. + * genmk.rb: Strip .rel.dyn, .reginfo, .note and .comment. + * genmoddep.awk: Ignore __gnu_local_gp. It's defined by linker. + * include/grub/i386/at_keyboard.h: Split into ... + * include/grub/at_keyboard.h: ... this ... + * include/grub/i386/at_keyboard.h: ... and this. + * include/grub/dl.h (grub_arch_dl_init_linker) [_mips && !GRUB_UTIL]: + New prototype. + * include/grub/elfload.h (grub_elf32_size): New parameter. All users + updated. + (grub_elf64_size): Likewise. + * include/grub/font.h (grub_font_load): Use grub_file_t instead of + filename. + * include/grub/i386/io.h (grub_port_t): New type. All users updated. + * include/grub/i386/coreboot/serial.h: Rewritten. + * include/grub/i386/ieee1275/serial.h: Include + grub/i386/coreboot/serial.h instead of grub/i386/pc/serial.h. + * include/grub/i386/pc/serial.h: Moved from here ... + * include/grub/serial.h: ... to here. All users updated. + * include/grub/i386/pci.h (GRUB_MACHINE_PCI_IO_BASE): New definition. + (GRUB_PCI_NUM_BUS): Likewise. + (GRUB_PCI_NUM_DEVICES): Likewise. + (grub_pci_device_map_range): Add missing volatile keyword. + * include/grub/kernel.h (OBJ_TYPE_FONT): New enum value. + * include/grub/mips/at_keyboard.h: New file. + * include/grub/mips/cache.h: Likewise. + * include/grub/mips/io.h: Likewise. + * include/grub/mips/kernel.h: Likewise. + * include/grub/mips/libgcc.h: Likewise. + * include/grub/mips/pci.h: Likewise. + * include/grub/mips/qemu-mips/boot.h: Likewise. + * include/grub/mips/qemu-mips/kernel.h: Likewise. + * include/grub/mips/qemu-mips/loader.h: Likewise. + * include/grub/mips/qemu-mips/memory.h: Likewise. + * include/grub/mips/qemu-mips/serial.h: Likewise. + * include/grub/mips/qemu-mips/time.h: Likewise. + * include/grub/mips/reboot.h: Likewise. + * include/grub/mips/relocator.h: Likewise. + * include/grub/mips/time.h: Likewise. + * include/grub/mips/types.h: Likewise. + * include/grub/mips/yeeloong/at_keyboard.h: Likewise. + * include/grub/mips/yeeloong/boot.h: Likewise. + * include/grub/mips/yeeloong/kernel.h: Likewise. + * include/grub/mips/yeeloong/loader.h: Likewise. + * include/grub/mips/yeeloong/memory.h: Likewise. + * include/grub/mips/yeeloong/pci.h: Likewise. + * include/grub/mips/yeeloong/serial.h: Likewise. + * include/grub/mips/yeeloong/time.h: Likewise. + * kern/dl.c (grub_dl_resolve_symbols): Handle STT_OBJECT correctly. + * kern/elf.c (grub_elf32_size): New parameter. All users + updated. + (grub_elf64_size): Likewise. + * kern/main.c (grub_main): Call grub_arch_dl_init_linker if necessary. + Load modules before saying "Welcome to GRUB!". + Call grub_refresh after saying "Welcome to GRUB!". + * kern/mips/cache.S: New file. + * kern/mips/cache_flush.S: Likewise. + * kern/mips/dl.c: Likewise. + * kern/mips/init.c: Likewise. + * kern/mips/qemu-mips/init.c: Likewise. + * kern/mips/startup.S: Likewise. + * kern/mips/yeeloong/init.c: Likewise. + * kern/term.c (grub_putcode): Handle NULL terminal. + (grub_getcharwidth): Likewise. + (grub_getkey): Likewise. + (grub_checkkey): Likewise. + (grub_getkeystatus): Likewise. + (grub_getxy): Likewise. + (grub_getwh): Likewise. + (grub_gotoxy): Likewise. + (grub_cls): Likewise. + (grub_setcolorstate): Likewise. + (grub_setcolor): Likewise. + (grub_getcolor): Likewise. + (grub_refresh): Likewise. + * lib/mips/relocator.c (JUMP_SIZEOF): Fix incorrect value. + (write_jump): Add hatch nop. + * lib/mips/relocator_asm.S: Use kern/mips/cache_flush.S. + * lib/mips/setjmp.S: New file. + * loader/mips/linux.c: Likewise. + * term/i386/pc/at_keyboard.c: Move from here ... + * term/at_keyboard.c: ... to here. + * term/i386/pc/serial.c: Moved from here ... + * term/serial.c: ... to here. All users updated. + (TEXT_HEIGHT): Set to 24 to fit linux terminal. + (serial_hw_io_addr): Use GRUB_MACHINE_SERIAL_PORTS. + (serial_translate_key_sequence): Avoid deadlock. + (grub_serial_getkey): Handle backspace. + (grub_serial_putchar): Fix newline handling. + * util/i386/pc/grub-mkimage.c: Move from here ... + * util/grub-mkrawimage.c: ... to here. All users updated. + (generate_image): New parameters 'font_path' and 'format'. + Support embedding font. + Use grub_host_to_target* instead of grub_cpu_to_le*. + (generate_image) [GRUB_MACHINE_MIPS]: Support ELF encapsulation. + (options) [GRUB_PLATFORM_IMAGE_DEFAULT]: New option "--format". + (options): New option "--font". + (usage): Likewise. + (main) [GRUB_PLATFORM_IMAGE_DEFAULT]: Handle "--format". + (main): Handle "--font". + * term/gfxterm.c (grub_virtual_screen): New member bg_color_display. + (grub_virtual_screen_setup): Set bg_color_display. + (redraw_screen_rect): Use bg_color_display instead of incorrect + bg_color. + (grub_gfxterm_cls): Likewise. + * util/elf/grub-mkimage.c (load_modules): New parameter 'config_path'. + Support embedding config file. + (add_segments): Likewise. + (options): New option "--config". + (main): Handle "--config". + * video/sm712.c: New file. From 1c7926d8237bea29467f496369972ac4451d4e23 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 14:02:37 +0100 Subject: [PATCH 099/128] Remove leftover in mips.rmk --- conf/mips.rmk | 57 --------------------------------------------------- 1 file changed, 57 deletions(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 8c99d9813..5c96a969f 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -27,63 +27,6 @@ kernel_syms.lst: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h genke # Programs pkglib_IMAGES = kernel.img - -# Utilities. -sbin_UTILITIES = grub-mkdevicemap -ifeq ($(enable_grub_emu), yes) -sbin_UTILITIES += grub-emu -endif - -# For grub-mkdevicemap. -grub_mkdevicemap_SOURCES = util/grub-mkdevicemap.c util/deviceiter.c \ - util/devicemap.c util/misc.c - -# For grub-emu -util/grub-emu.c_DEPENDENCIES = grub_emu_init.h -grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ - commands/configfile.c commands/help.c \ - commands/search.c commands/handler.c commands/test.c \ - commands/ls.c commands/blocklist.c commands/hexdump.c \ - lib/hexdump.c commands/reboot.c \ - lib/envblk.c commands/loadenv.c \ - commands/gptsync.c commands/probe.c commands/xnu_uuid.c \ - commands/password.c commands/keystatus.c \ - disk/loopback.c \ - \ - fs/affs.c fs/cpio.c fs/fat.c fs/ext2.c fs/hfs.c \ - fs/hfsplus.c fs/iso9660.c fs/udf.c fs/jfs.c fs/minix.c \ - fs/ntfs.c fs/ntfscomp.c fs/reiserfs.c fs/sfs.c \ - fs/ufs.c fs/ufs2.c fs/xfs.c fs/afs.c fs/afs_be.c \ - fs/befs.c fs/befs_be.c fs/tar.c \ - \ - io/gzio.c \ - kern/device.c kern/disk.c kern/dl.c kern/elf.c kern/env.c \ - kern/err.c kern/file.c kern/fs.c commands/boot.c kern/main.c \ - kern/misc.c kern/parser.c kern/partition.c kern/reader.c \ - kern/rescue_reader.c kern/rescue_parser.c \ - kern/term.c kern/list.c kern/handler.c fs/fshelp.c \ - kern/command.c kern/corecmd.c commands/extcmd.c \ - lib/arg.c normal/cmdline.c normal/datetime.c \ - normal/completion.c normal/misc.c \ - normal/handler.c normal/auth.c normal/autofs.c normal/main.c \ - normal/menu.c \ - normal/menu_text.c \ - normal/menu_entry.c normal/menu_viewer.c \ - normal/color.c \ - script/sh/main.c script/sh/execute.c script/sh/function.c \ - script/sh/lexer.c script/sh/script.c \ - partmap/amiga.c partmap/apple.c partmap/msdos.c partmap/sun.c \ - partmap/acorn.c \ - util/console.c util/hostfs.c util/grub-emu.c util/misc.c \ - util/hostdisk.c util/getroot.c \ - \ - disk/raid.c disk/raid5_recover.c disk/raid6_recover.c \ - disk/mdraid_linux.c disk/dmraid_nvidia.c disk/lvm.c \ - commands/parttool.c parttool/msdospart.c \ - grub_script.tab.c grub_emu_init.c - -grub_emu_LDFLAGS = $(LIBCURSES) - kernel_img_SOURCES = kern/$(target_cpu)/startup.S \ kern/main.c kern/device.c kern/$(target_cpu)/init.c \ kern/$(target_cpu)/$(target_machine)/init.c \ From 3478d0aa2e372fade831ab5f911eff22a68d98bf Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 14:05:56 +0100 Subject: [PATCH 100/128] Fix warning --- loader/mips/linux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 86f4201b0..4d9045a65 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -174,7 +174,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), grub_elf_t elf = 0; int i; int size; - void *extra; + void *extra = NULL; grub_uint32_t *linux_argv, *linux_envp; char *linux_args; grub_err_t err; From d065a04ae4a9eddef91fc52be1e0deb7c9bd3902 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 14:28:11 +0100 Subject: [PATCH 101/128] Fix lexer.c name in mips.rmk --- conf/mips.rmk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index 5c96a969f..63c755c49 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -6,7 +6,7 @@ COMMON_CFLAGS += -mexplicit-relocs -mflush-func=grub_cpu_flush_cache COMMON_LDFLAGS += -nostdlib # Used by various components. These rules need to precede them. -script/sh/lexer.c_DEPENDENCIES = grub_script.tab.h +script/lexer.c_DEPENDENCIES = grub_script.tab.h # Images. From f0299c60d477a90fa96c595b47ca06baec2b5ff8 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 2 Dec 2009 21:01:02 +0100 Subject: [PATCH 102/128] Fix handling of >32K relocations --- kern/mips/dl.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/kern/mips/dl.c b/kern/mips/dl.c index f2a0af0d5..485955e7f 100644 --- a/kern/mips/dl.c +++ b/kern/mips/dl.c @@ -162,18 +162,23 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) case R_MIPS_HI16: { grub_uint32_t value; + Elf_Rel *rel2; /* Handle partner lo16 relocation. Lower part is treated as signed. Hence add 0x8000 to compensate. */ value = (*(grub_uint16_t *) addr << 16) + sym->st_value + 0x8000; - if (rel + 1 < max && ELF_R_SYM (rel[1].r_info) - == ELF_R_SYM (rel[0].r_info) - && ELF_R_TYPE (rel[1].r_info) == R_MIPS_LO16) - value += *(grub_uint16_t *) - ((char *) seg->addr + rel[1].r_offset); - *(grub_uint16_t *) addr += (value >> 16) & 0xffff; + for (rel2 = rel + 1; rel2 < max; rel2++) + if (ELF_R_SYM (rel2->r_info) + == ELF_R_SYM (rel->r_info) + && ELF_R_TYPE (rel2->r_info) == R_MIPS_LO16) + { + value += *(grub_int16_t *) + ((char *) seg->addr + rel2->r_offset); + break; + } + *(grub_uint16_t *) addr = (value >> 16) & 0xffff; } break; case R_MIPS_LO16: From c4282e6cb3dfc4e2eaf6b7e8df89e0662e564b42 Mon Sep 17 00:00:00 2001 From: Robert Millan Date: Fri, 4 Dec 2009 00:05:48 +0000 Subject: [PATCH 103/128] Remove mips/reboot.h. --- ChangeLog.mips | 1 - include/grub/mips/reboot.h | 24 ------------------------ 2 files changed, 25 deletions(-) delete mode 100644 include/grub/mips/reboot.h diff --git a/ChangeLog.mips b/ChangeLog.mips index cdfe05532..f5f048298 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -63,7 +63,6 @@ * include/grub/mips/qemu-mips/memory.h: Likewise. * include/grub/mips/qemu-mips/serial.h: Likewise. * include/grub/mips/qemu-mips/time.h: Likewise. - * include/grub/mips/reboot.h: Likewise. * include/grub/mips/relocator.h: Likewise. * include/grub/mips/time.h: Likewise. * include/grub/mips/types.h: Likewise. diff --git a/include/grub/mips/reboot.h b/include/grub/mips/reboot.h deleted file mode 100644 index b28fca158..000000000 --- a/include/grub/mips/reboot.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2008 Free Software Foundation, Inc. - * - * GRUB is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GRUB is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GRUB. If not, see . - */ - -#ifndef GRUB_REBOOT_CPU_HEADER -#define GRUB_REBOOT_CPU_HEADER 1 - -extern void grub_reboot (void); - -#endif From bef393d4b355926078aae8c952a972e01e2adc56 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 5 Dec 2009 18:46:28 +0100 Subject: [PATCH 104/128] fix qemu and coreboot ports --- conf/i386-coreboot.rmk | 4 +++- conf/i386-pc.rmk | 2 +- conf/mips.rmk | 2 +- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/conf/i386-coreboot.rmk b/conf/i386-coreboot.rmk index d0f953c8a..b6e810605 100644 --- a/conf/i386-coreboot.rmk +++ b/conf/i386-coreboot.rmk @@ -53,9 +53,11 @@ boot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)$(GRUB_BOOT_MACHINE_LI boot_img_FORMAT = binary bin_UTILITIES += grub-mkimage -grub_mkimage_SOURCES = util/i386/pc/grub-mkimage.c util/misc.c \ +grub_mkimage_SOURCES = util/grub-mkrawimage.c util/misc.c \ util/resolve.c gnulib/progname.c grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR) +util/grub-mkrawimage.c_DEPENDENCIES = Makefile + pkglib_IMAGES += kernel.img kernel_img_SOURCES = kern/i386/qemu/startup.S \ diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk index c1b1e596e..598e46043 100644 --- a/conf/i386-pc.rmk +++ b/conf/i386-pc.rmk @@ -87,7 +87,7 @@ sbin_UTILITIES = grub-setup grub_mkimage_SOURCES = gnulib/progname.c util/grub-mkrawimage.c util/misc.c \ util/resolve.c lib/LzmaEnc.c lib/LzFind.c grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR) -util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile +util/grub-mkrawimage.c_DEPENDENCIES = Makefile # For grub-setup. util/i386/pc/grub-setup.c_DEPENDENCIES = grub_setup_init.h diff --git a/conf/mips.rmk b/conf/mips.rmk index 63c755c49..a6fcaf88e 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -52,7 +52,7 @@ bin_UTILITIES += grub-mkimage grub_mkimage_SOURCES = gnulib/progname.c util/grub-mkrawimage.c util/misc.c \ util/resolve.c lib/LzmaEnc.c lib/LzFind.c grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(LINK_BASE) -util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile +util/grub-mkrawimage.c_DEPENDENCIES = Makefile # Modules. pkglib_MODULES = memdisk.mod \ From a22078eb4fbdbb0e667b15c3d74a5b1ad192bcc9 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 6 Dec 2009 15:32:32 +0100 Subject: [PATCH 105/128] Startup code cleanup --- kern/mips/startup.S | 73 +++++++++++++++++++++++++----------------- util/grub-mkrawimage.c | 5 +-- 2 files changed, 44 insertions(+), 34 deletions(-) diff --git a/kern/mips/startup.S b/kern/mips/startup.S index b27442102..7c59e761e 100644 --- a/kern/mips/startup.S +++ b/kern/mips/startup.S @@ -42,27 +42,55 @@ kernel_image_size: .long 0 codestart: /* Decompress the payload. */ - move $t9, $ra - addiu $t2, $t9, GRUB_KERNEL_CPU_RAW_SIZE - BASE_ADDR - lui $t1, %hi(compressed) - addiu $t1, %lo(compressed) - lw $t3, (GRUB_KERNEL_CPU_COMPRESSED_SIZE - BASE_ADDR)($t9) + move $s0, $ra + addiu $a0, $s0, GRUB_KERNEL_CPU_RAW_SIZE - BASE_ADDR + lui $a1, %hi(compressed) + addiu $a1, %lo(compressed) + lw $a2, (GRUB_KERNEL_CPU_COMPRESSED_SIZE - BASE_ADDR)($s0) + move $s1, $a1 - /* $t2 contains source compressed address, $t1 is destination, - $t3 is compressed size. FIXME: put LZMA here. Don't clober $t9 + /* $a0 contains source compressed address, $a1 is destination, + $a2 is compressed size. FIXME: put LZMA here. Don't clober $s0, $s1. + On return $v0 contains uncompressed size. */ + move $v0, $a2 reloccont: - lb $t4, 0($t2) - sb $t4, 0($t1) - addiu $t1,$t1,1 - addiu $t2,$t2,1 - addiu $t3, 0xffff - bne $t3, $0, reloccont + lb $t4, 0($a0) + sb $t4, 0($a1) + addiu $a1,$a1,1 + addiu $a0,$a0,1 + addiu $a2, 0xffff + bne $a2, $0, reloccont + + move $a0, $s1 + move $a1, $v0 + +#include "cache_flush.S" + + lui $t1, %hi(cont) + addiu $t1, %lo(cont) + + jr $t1 + . = _start + GRUB_KERNEL_CPU_RAW_SIZE +compressed: + . = _start + GRUB_KERNEL_CPU_PREFIX + +VARIABLE(grub_prefix) + + /* to be filled by grub-mkelfimage */ + + /* + * Leave some breathing room for the prefix. + */ + + . = _start + GRUB_KERNEL_CPU_DATA_END + +cont: /* Move the modules out of BSS. */ lui $t1, %hi(_start) addiu $t1, %lo(_start) - lw $t2, (GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE - BASE_ADDR)($t9) + lw $t2, (GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE - BASE_ADDR)($s0) addu $t2, $t1, $t2 lui $t1, %hi(_end) @@ -72,7 +100,7 @@ reloccont: nor $t3, $t3, $0 and $t1, $t1, $t3 - lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($t9) + lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($s0) /* Backward copy. */ add $t1, $t1, $t3 @@ -105,20 +133,5 @@ bsscont: lui $t1, %hi(grub_main) addiu $t1, %lo(grub_main) -#if __mips >= 2 - sync -#endif jr $t1 - . = _start + GRUB_KERNEL_CPU_RAW_SIZE -compressed: - . = _start + GRUB_KERNEL_CPU_PREFIX - -VARIABLE(grub_prefix) - /* to be filled by grub-mkelfimage */ - - /* - * Leave some breathing room for the prefix. - */ - - . = _start + GRUB_KERNEL_CPU_DATA_END diff --git a/util/grub-mkrawimage.c b/util/grub-mkrawimage.c index bbdbf9c8b..5399f4c42 100644 --- a/util/grub-mkrawimage.c +++ b/util/grub-mkrawimage.c @@ -363,10 +363,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X); target_addr = ALIGN_UP (GRUB_KERNEL_MACHINE_LINK_ADDR - + kernel_size + total_module_size - + 0x100000 - // + BSS_SIZE - , 32); + + kernel_size + total_module_size, 32); ehdr->e_entry = grub_host_to_target32 (target_addr); phdr->p_vaddr = grub_host_to_target32 (target_addr); phdr->p_paddr = grub_host_to_target32 (target_addr); From d5b44e501d227f7b687f895eaa66ae980cfc4902 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 7 Dec 2009 02:09:39 +0100 Subject: [PATCH 106/128] retrieve firmware arguments --- include/grub/mips/kernel.h | 2 +- kern/mips/startup.S | 87 ++++++++++++++++++++++++++++++++++++-- 2 files changed, 85 insertions(+), 4 deletions(-) diff --git a/include/grub/mips/kernel.h b/include/grub/mips/kernel.h index 29f7e4d4e..8b68f7b6b 100644 --- a/include/grub/mips/kernel.h +++ b/include/grub/mips/kernel.h @@ -25,7 +25,7 @@ #define GRUB_KERNEL_MACHINE_LINK_ALIGN 32 -#define GRUB_KERNEL_CPU_RAW_SIZE 0x100 +#define GRUB_KERNEL_CPU_RAW_SIZE 0x200 #define GRUB_KERNEL_CPU_COMPRESSED_SIZE 0x8 #define GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE 0xc #define GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE 0x10 diff --git a/kern/mips/startup.S b/kern/mips/startup.S index 7c59e761e..5e3fb7ad5 100644 --- a/kern/mips/startup.S +++ b/kern/mips/startup.S @@ -31,6 +31,7 @@ __start: _start: start: bal codestart +base: . = _start + GRUB_KERNEL_CPU_COMPRESSED_SIZE compressed_size: .long 0 @@ -41,8 +42,69 @@ total_module_size: kernel_image_size: .long 0 codestart: - /* Decompress the payload. */ + /* Save our base. */ move $s0, $ra + + /* Parse arguments. Has to be done before relocation. + So need to do it in asm. */ +#ifdef GRUB_MACHINE_MIPS_YEELOONG + /* $a2 has the environment. */ + move $t0, $a2 +argcont: + lw $t1, 0($t0) + beq $t1, $zero, argdone +#define DO_PARSE(str, reg) \ + addiu $t2, $s0, (str-base);\ + bal parsestr;\ + beq $v0, $zero, 1f;\ + move reg, $v0;\ + b 2f;\ +1: + DO_PARSE (busclockstr, $s2) + DO_PARSE (cpuclockstr, $s3) + DO_PARSE (memsizestr, $s4) + DO_PARSE (highmemsizestr, $s5) +2: + addiu $t0, $t0, 4 + b argcont +parsestr: + move $v0, $zero + move $t3, $t1 +3: + lb $t4, 0($t2) + lb $t5, 0($t3) + addiu $t2, $t2, 1 + addiu $t3, $t3, 1 + beq $t5, $zero, 1f + beq $t5, $t4, 3b + bne $t4, $zero, 1f + + addiu $t3, $t3, 0xffff +digcont: + lb $t5, 0($t3) + /* Substract '0' from digit. */ + addiu $t5, $t5, 0xffd0 + bltz $t5, 1f + addiu $t4, $t5, 0xfff7 + bgtz $t4, 1f + /* Multiply $v0 by 10 with bitshifts. */ + sll $v0, $v0, 1 + sll $t4, $v0, 2 + addu $v0, $v0, $t4 + addu $v0, $v0, $t5 + addiu $t3, $t3, 1 + b digcont +1: + jr $ra +busclockstr: .asciiz "busclock=" +cpuclockstr: .asciiz "cpuclock=" +memsizestr: .asciiz "memsize=" +highmemsizestr: .asciiz "highmemsize=" + .p2align 2 +argdone: +#endif + + /* Decompress the payload. */ addiu $a0, $s0, GRUB_KERNEL_CPU_RAW_SIZE - BASE_ADDR lui $a1, %hi(compressed) addiu $a1, %lo(compressed) @@ -50,7 +112,8 @@ codestart: move $s1, $a1 /* $a0 contains source compressed address, $a1 is destination, - $a2 is compressed size. FIXME: put LZMA here. Don't clober $s0, $s1. + $a2 is compressed size. FIXME: put LZMA here. Don't clober $s0, + $s1, $s2, $s3, $s4 and $s5. On return $v0 contains uncompressed size. */ move $v0, $a2 @@ -84,9 +147,27 @@ VARIABLE(grub_prefix) */ . = _start + GRUB_KERNEL_CPU_DATA_END - +#ifdef GRUB_MACHINE_MIPS_YEELOONG +VARIABLE (grub_arch_busclock) + .long 0 +VARIABLE (grub_arch_cpuclock) + .long 0 +VARIABLE (grub_arch_memsize) + .long 0 +VARIABLE (grub_arch_highmemsize) + .long 0 +#endif cont: +#ifdef GRUB_MACHINE_MIPS_YEELOONG + lui $t1, %hi(grub_arch_busclock) + addiu $t1, %lo(grub_arch_busclock) + sw $s2, 0($t1) + sw $s3, 4($t1) + sw $s4, 8($t1) + sw $s5, 12($t1) +#endif + /* Move the modules out of BSS. */ lui $t1, %hi(_start) addiu $t1, %lo(_start) From 0f355bc6b321c2b8755de4facbd484145ddb4312 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 7 Dec 2009 16:16:10 +0100 Subject: [PATCH 107/128] add memory routines --- conf/mips-yeeloong.rmk | 7 +++ include/grub/mips/yeeloong/memory.h | 22 ++++++++-- kern/mips/yeeloong/init.c | 51 ++++++++++++++++------ loader/mips/linux.c | 35 +++++++++++++-- mmap/mips/yeeloong/uppermem.c | 66 +++++++++++++++++++++++++++++ mmap/mmap.c | 2 +- 6 files changed, 164 insertions(+), 19 deletions(-) create mode 100644 mmap/mips/yeeloong/uppermem.c diff --git a/conf/mips-yeeloong.rmk b/conf/mips-yeeloong.rmk index 16909487d..a06b3fa5e 100644 --- a/conf/mips-yeeloong.rmk +++ b/conf/mips-yeeloong.rmk @@ -40,3 +40,10 @@ pkglib_MODULES += ata_pthru.mod ata_pthru_mod_SOURCES = disk/ata_pthru.c ata_pthru_mod_CFLAGS = $(COMMON_CFLAGS) ata_pthru_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For mmap.mod. +pkglib_MODULES += mmap.mod +mmap_mod_SOURCES = mmap/mmap.c mmap/mips/yeeloong/uppermem.c +mmap_mod_CFLAGS = $(COMMON_CFLAGS) +mmap_mod_LDFLAGS = $(COMMON_LDFLAGS) +mmap_mod_ASFLAGS = $(COMMON_ASFLAGS) diff --git a/include/grub/mips/yeeloong/memory.h b/include/grub/mips/yeeloong/memory.h index bc8f47b12..c85db712a 100644 --- a/include/grub/mips/yeeloong/memory.h +++ b/include/grub/mips/yeeloong/memory.h @@ -26,15 +26,22 @@ #endif #define GRUB_MACHINE_MEMORY_STACK_HIGH 0x801ffff0 -#define GRUB_MACHINE_MEMORY_USABLE 0x81000000 +#define GRUB_ARCH_LOWMEMVSTART 0x80000000 +#define GRUB_ARCH_LOWMEMPSTART 0x00000000 +#define GRUB_ARCH_LOWMEMMAXSIZE 0x10000000 +#define GRUB_ARCH_HIGHMEMPSTART 0x10000000 + #define GRUB_MACHINE_MEMORY_AVAILABLE 1 +#define GRUB_MACHINE_MEMORY_MAX_TYPE 1 + /* This one is special: it's used internally but is never reported + by firmware. */ +#define GRUB_MACHINE_MEMORY_HOLE 2 +#define GRUB_MACHINE_MEMORY_RESERVED GRUB_MACHINE_MEMORY_HOLE #ifndef ASM_FILE grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate) (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); -grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) - (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); static inline grub_err_t grub_machine_mmap_register (grub_uint64_t start __attribute__ ((unused)), @@ -49,6 +56,15 @@ grub_machine_mmap_unregister (int handle __attribute__ ((unused))) { return GRUB_ERR_NONE; } + +grub_uint64_t grub_mmap_get_lower (void); +grub_uint64_t grub_mmap_get_upper (void); + +extern grub_uint32_t EXPORT_VAR (grub_arch_memsize); +extern grub_uint32_t EXPORT_VAR (grub_arch_highmemsize); +extern grub_uint32_t EXPORT_VAR (grub_arch_busclock); +extern grub_uint32_t EXPORT_VAR (grub_arch_cpuclock); + #endif #endif diff --git a/kern/mips/yeeloong/init.c b/kern/mips/yeeloong/init.c index 01acd4f1c..1bd9d2ed9 100644 --- a/kern/mips/yeeloong/init.c +++ b/kern/mips/yeeloong/init.c @@ -28,8 +28,6 @@ #include #include -#define RAMSIZE (64 << 20) - grub_uint32_t grub_get_rtc (void) { @@ -38,11 +36,48 @@ grub_get_rtc (void) return (calln++) >> 8; } +grub_err_t +grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, + grub_uint64_t, + grub_uint32_t)) +{ + hook (GRUB_ARCH_LOWMEMPSTART, grub_arch_memsize << 20, + GRUB_MACHINE_MEMORY_AVAILABLE); + hook (GRUB_ARCH_HIGHMEMPSTART, grub_arch_highmemsize << 20, + GRUB_MACHINE_MEMORY_AVAILABLE); + return GRUB_ERR_NONE; +} + + +static void * +get_modules_end (void) +{ + struct grub_module_info *modinfo; + struct grub_module_header *header; + grub_addr_t modbase; + + modbase = grub_arch_modules_addr (); + modinfo = (struct grub_module_info *) modbase; + + /* Check if there are any modules. */ + if ((modinfo == 0) || modinfo->magic != GRUB_MODULE_MAGIC) + return modinfo; + + for (header = (struct grub_module_header *) (modbase + modinfo->offset); + header < (struct grub_module_header *) (modbase + modinfo->size); + header = (struct grub_module_header *) ((char *) header + header->size)); + + return header; +} + void grub_machine_init (void) { - grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_USABLE, - RAMSIZE - (GRUB_MACHINE_MEMORY_USABLE & 0x7fffffff)); + void *modend; + modend = get_modules_end (); + grub_mm_init_region (modend, (grub_arch_memsize << 20) + - (((grub_addr_t) modend) - GRUB_ARCH_LOWMEMVSTART)); + /* FIXME: use upper memory as well. */ grub_install_get_time_ms (grub_rtc_get_time_ms); } @@ -69,11 +104,3 @@ grub_reboot (void) while (1); } -grub_err_t -grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, - grub_uint64_t, - grub_uint32_t)) -{ - hook (0, RAMSIZE, GRUB_MACHINE_MEMORY_AVAILABLE); - return GRUB_ERR_NONE; -} diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 4d9045a65..635f84a28 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -26,6 +26,10 @@ #include #include #include +#include + +/* For frequencies. */ +#include #define ELF32_LOADMASK (0x00000000UL) #define ELF64_LOADMASK (0x0000000000000000ULL) @@ -176,7 +180,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), int size; void *extra = NULL; grub_uint32_t *linux_argv, *linux_envp; - char *linux_args; + char *linux_args, *linux_envs; grub_err_t err; if (argc == 0) @@ -218,7 +222,12 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), size += ALIGN_UP (sizeof ("rd_size=0xXXXXXXXXXXXXXXXX"), 4); /* For the environment. */ - size += sizeof (grub_uint32_t); + size += sizeof (grub_uint32_t); + size += 4 * sizeof (grub_uint32_t); + size += ALIGN_UP (sizeof ("memsize=XXXXXXXXXXXXXXXXXXXX"), 4) + + ALIGN_UP (sizeof ("highmemsize=XXXXXXXXXXXXXXXXXXXX"), 4) + + ALIGN_UP (sizeof ("busclock=XXXXXXXXXX"), 4) + + ALIGN_UP (sizeof ("cpuclock=XXXXXXXXXX"), 4); if (grub_elf_is_elf32 (elf)) err = grub_linux_load32 (elf, &extra, size); @@ -276,7 +285,27 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), linux_envp = extra; envp_off = (grub_uint8_t *) linux_envp - (grub_uint8_t *) playground; - linux_envp[0] = 0; + linux_envs = (char *) (linux_envp + 5); + grub_sprintf (linux_envs, "memsize=%lld", (unsigned long long) grub_mmap_get_lower () >> 20); + linux_envp[0] = (grub_uint8_t *) linux_envs - (grub_uint8_t *) playground + + target_addr; + linux_envs += ALIGN_UP (grub_strlen (linux_envs) + 1, 4); + grub_sprintf (linux_envs, "highmemsize=%lld", (unsigned long long) grub_mmap_get_upper () >> 20); + linux_envp[1] = (grub_uint8_t *) linux_envs - (grub_uint8_t *) playground + + target_addr; + linux_envs += ALIGN_UP (grub_strlen (linux_envs) + 1, 4); + + grub_sprintf (linux_envs, "busclock=%d", grub_arch_busclock); + linux_envp[2] = (grub_uint8_t *) linux_envs - (grub_uint8_t *) playground + + target_addr; + linux_envs += ALIGN_UP (grub_strlen (linux_envs) + 1, 4); + grub_sprintf (linux_envs, "cpuclock=%d", grub_arch_cpuclock); + linux_envp[3] = (grub_uint8_t *) linux_envs - (grub_uint8_t *) playground + + target_addr; + linux_envs += ALIGN_UP (grub_strlen (linux_envs) + 1, 4); + + + linux_envp[4] = 0; grub_loader_set (grub_linux_boot, grub_linux_unload, 1); initrd_loaded = 0; diff --git a/mmap/mips/yeeloong/uppermem.c b/mmap/mips/yeeloong/uppermem.c new file mode 100644 index 000000000..3c5f814de --- /dev/null +++ b/mmap/mips/yeeloong/uppermem.c @@ -0,0 +1,66 @@ +/* Compute amount of lower and upper memory till the first hole. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include +#include + +grub_uint64_t +grub_mmap_get_lower (void) +{ + grub_uint64_t lower = 0; + + auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); + int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, + grub_uint32_t type) + { + if (type != GRUB_MACHINE_MEMORY_AVAILABLE) + return 0; + if (addr == 0) + lower = size; + return 0; + } + + grub_mmap_iterate (hook); + if (lower > GRUB_ARCH_LOWMEMMAXSIZE) + lower = GRUB_ARCH_LOWMEMMAXSIZE; + return lower; +} + +grub_uint64_t +grub_mmap_get_upper (void) +{ + grub_uint64_t upper = 0; + + auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); + int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, + grub_uint32_t type) + { + if (type != GRUB_MACHINE_MEMORY_AVAILABLE) + return 0; + if (addr <= GRUB_ARCH_HIGHMEMPSTART && addr + size + > GRUB_ARCH_HIGHMEMPSTART) + upper = addr + size - GRUB_ARCH_HIGHMEMPSTART; + return 0; + } + + grub_mmap_iterate (hook); + return upper; +} diff --git a/mmap/mmap.c b/mmap/mmap.c index 7598cf501..d379a99f9 100644 --- a/mmap/mmap.c +++ b/mmap/mmap.c @@ -52,7 +52,7 @@ grub_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, #ifdef GRUB_MACHINE_MEMORY_AVAILABLE [GRUB_MACHINE_MEMORY_AVAILABLE] = 1, #endif -#ifdef GRUB_MACHINE_MEMORY_RESERVED +#if defined (GRUB_MACHINE_MEMORY_RESERVED) && GRUB_MACHINE_MEMORY_RESERVED != GRUB_MACHINE_MEMORY_HOLE [GRUB_MACHINE_MEMORY_RESERVED] = 3, #endif #ifdef GRUB_MACHINE_MEMORY_ACPI From 52d67f54e0236f9e0def0c48f4753d47991450ae Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 7 Dec 2009 16:51:21 +0100 Subject: [PATCH 108/128] fix linux parameter passing on mips --- loader/mips/linux.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 635f84a28..bb71d63e9 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -204,15 +204,14 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), /* For arguments. */ linux_argc = argc; /* Main arguments. */ - size = (linux_argc + 1) * sizeof (grub_uint32_t); + size = (linux_argc) * sizeof (grub_uint32_t); /* Initrd address and size. */ size += 2 * sizeof (grub_uint32_t); /* NULL terminator. */ size += sizeof (grub_uint32_t); - /* First arguments are always "a0" and "a1". */ + /* First argument is always "a0". */ size += ALIGN_UP (sizeof ("a0"), 4); - size += ALIGN_UP (sizeof ("a1"), 4); /* Normal arguments. */ for (i = 1; i < argc; i++) size += ALIGN_UP (grub_strlen (argv[i]) + 1, 4); @@ -244,7 +243,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), linux_argv = extra; argv_off = (grub_uint8_t *) linux_argv - (grub_uint8_t *) playground; - extra = linux_argv + (linux_argc + 1 + 1 + 2); + extra = linux_argv + (linux_argc + 1 + 2); linux_args = extra; grub_memcpy (linux_args, "a0", sizeof ("a0")); @@ -253,12 +252,6 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), linux_argv++; linux_args += ALIGN_UP (sizeof ("a0"), 4); - grub_memcpy (linux_args, "a1", sizeof ("a1")); - *linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground - + target_addr; - linux_argv++; - linux_args += ALIGN_UP (sizeof ("a1"), 4); - for (i = 1; i < argc; i++) { grub_memcpy (linux_args, argv[i], grub_strlen (argv[i]) + 1); From d114e89ca8223fc37118cfc47768be87b64f1e99 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 9 Dec 2009 17:58:48 +0100 Subject: [PATCH 109/128] Add clock --- include/grub/mips/yeeloong/memory.h | 2 -- include/grub/mips/yeeloong/time.h | 7 +++++-- include/grub/time.h | 2 +- kern/mips/yeeloong/init.c | 14 +++++++++++--- loader/mips/linux.c | 1 + 5 files changed, 18 insertions(+), 8 deletions(-) diff --git a/include/grub/mips/yeeloong/memory.h b/include/grub/mips/yeeloong/memory.h index c85db712a..922db2404 100644 --- a/include/grub/mips/yeeloong/memory.h +++ b/include/grub/mips/yeeloong/memory.h @@ -62,8 +62,6 @@ grub_uint64_t grub_mmap_get_upper (void); extern grub_uint32_t EXPORT_VAR (grub_arch_memsize); extern grub_uint32_t EXPORT_VAR (grub_arch_highmemsize); -extern grub_uint32_t EXPORT_VAR (grub_arch_busclock); -extern grub_uint32_t EXPORT_VAR (grub_arch_cpuclock); #endif diff --git a/include/grub/mips/yeeloong/time.h b/include/grub/mips/yeeloong/time.h index a73f64dea..7f468bf12 100644 --- a/include/grub/mips/yeeloong/time.h +++ b/include/grub/mips/yeeloong/time.h @@ -21,10 +21,13 @@ #include -#define GRUB_TICKS_PER_SECOND 1000 +#define GRUB_TICKS_PER_SECOND (grub_arch_cpuclock / 2) /* Return the real time in ticks. */ -grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); +grub_uint64_t EXPORT_FUNC (grub_get_rtc) (void); + +extern grub_uint32_t EXPORT_VAR (grub_arch_busclock); +extern grub_uint32_t EXPORT_VAR (grub_arch_cpuclock); static inline void grub_cpu_idle(void) diff --git a/include/grub/time.h b/include/grub/time.h index 115fbd95e..5aafdc9ed 100644 --- a/include/grub/time.h +++ b/include/grub/time.h @@ -23,7 +23,7 @@ #include #include -#ifdef GRUB_MACHINE_EMU +#if defined (GRUB_MACHINE_EMU) || defined (GRUB_UTIL) #define GRUB_TICKS_PER_SECOND 100000 #else #include diff --git a/kern/mips/yeeloong/init.c b/kern/mips/yeeloong/init.c index 1bd9d2ed9..8b93ac18f 100644 --- a/kern/mips/yeeloong/init.c +++ b/kern/mips/yeeloong/init.c @@ -28,12 +28,20 @@ #include #include -grub_uint32_t +/* FIXME: use interrupt to count high. */ +grub_uint64_t grub_get_rtc (void) { - static grub_uint64_t calln = 0; + static grub_uint32_t high = 0; + static grub_uint32_t last = 0; + grub_uint32_t low; - return (calln++) >> 8; + asm volatile ("mfc0 %0, $9": "=r" (low)); + if (low < last) + high++; + last = low; + + return (((grub_uint64_t) high) << 32) | low; } grub_err_t diff --git a/loader/mips/linux.c b/loader/mips/linux.c index bb71d63e9..8d7cda0ed 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -30,6 +30,7 @@ /* For frequencies. */ #include +#include #define ELF32_LOADMASK (0x00000000UL) #define ELF64_LOADMASK (0x0000000000000000ULL) From 546d06078308974936c686040dc24287fcabc681 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 9 Dec 2009 19:39:21 +0100 Subject: [PATCH 110/128] grub-install for yeeloong --- conf/mips-yeeloong.rmk | 4 ++++ util/grub-install.in | 30 +++++++++++++++++++++++------- 2 files changed, 27 insertions(+), 7 deletions(-) diff --git a/conf/mips-yeeloong.rmk b/conf/mips-yeeloong.rmk index a06b3fa5e..d28194ebc 100644 --- a/conf/mips-yeeloong.rmk +++ b/conf/mips-yeeloong.rmk @@ -47,3 +47,7 @@ mmap_mod_SOURCES = mmap/mmap.c mmap/mips/yeeloong/uppermem.c mmap_mod_CFLAGS = $(COMMON_CFLAGS) mmap_mod_LDFLAGS = $(COMMON_LDFLAGS) mmap_mod_ASFLAGS = $(COMMON_ASFLAGS) + +sbin_SCRIPTS += grub-install +grub_install_SOURCES = util/grub-install.in + diff --git a/util/grub-install.in b/util/grub-install.in index 4df620812..494ac6bc3 100644 --- a/util/grub-install.in +++ b/util/grub-install.in @@ -29,10 +29,11 @@ PACKAGE_TARNAME=@PACKAGE_TARNAME@ PACKAGE_VERSION=@PACKAGE_VERSION@ target_cpu=@target_cpu@ platform=@platform@ +font=@datadir@/@PACKAGE_TARNAME@/ascii.pf2 pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}` grub_setup=${sbindir}/`echo grub-setup | sed ${transform}` -if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then +if [ "${target_cpu}-${platform}" = "i386-pc" ] || [ "${target_cpu}-${platform}" = "mips-yeeloong" ] ; then grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}` else grub_mkimage=${bindir}/`echo grub-mkelfimage | sed ${transform}` @@ -79,6 +80,11 @@ if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then cat <&2 usage exit 1 @@ -274,21 +282,27 @@ partmap_module=`$grub_probe --target=partmap --device ${grub_device} 2> /dev/nul # Device abstraction module, if any (lvm, raid). devabstraction_module=`$grub_probe --target=abstraction --device ${grub_device}` +if [ "${target_cpu}-${platform}" = "mips-yeeloong" ] ; then + modules="sm712 gfxterm at_keyboard $modules" +fi + # The order in this list is critical. Be careful when modifying it. modules="$modules $disk_module" modules="$modules $fs_module $partmap_module $devabstraction_module" prefix_drive= if [ "x${devabstraction_module}" = "x" ] ; then - if echo "${install_device}" | grep -qx "(.*)" ; then - install_drive="${install_device}" - else - install_drive="`$grub_probe --target=drive --device ${install_device}`" + if [ x"${install_device}" != x ]; then + if echo "${install_device}" | grep -qx "(.*)" ; then + install_drive="${install_device}" + else + install_drive="`$grub_probe --target=drive --device ${install_device}`" + fi + install_drive="`echo ${install_drive} | sed -e s/,[0-9]*[a-z]*//g`" fi grub_drive="`$grub_probe --target=drive --device ${grub_device}`" # Strip partition number - install_drive="`echo ${install_drive} | sed -e s/,[0-9]*[a-z]*//g`" grub_drive="`echo ${grub_drive} | sed -e s/,[0-9]*[a-z]*//g`" if [ "$disk_module" = ata ] ; then # generic method (used on coreboot and ata mod) @@ -323,6 +337,8 @@ if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then # Now perform the installation. $grub_setup ${setup_verbose} ${setup_force} --directory=${grubdir} --device-map=${device_map} \ ${install_device} || exit 1 +elif [ "${target_cpu}-${platform}" = "mips-yeeloong" ] ; then + $grub_mkimage -f ${font} -d ${pkglibdir} -O elf --output=/boot/grub.elf --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1 else $grub_mkimage -d ${pkglibdir} --output=/boot/multiboot.img --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1 fi From 02772f981b413ff6bbd13744570737ec2fc6bae6 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 9 Dec 2009 20:34:14 +0100 Subject: [PATCH 111/128] correct return value of checkkey for null-terminal --- kern/term.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kern/term.c b/kern/term.c index 0e3595df3..52a265a6d 100644 --- a/kern/term.c +++ b/kern/term.c @@ -145,7 +145,7 @@ int grub_checkkey (void) { if (!grub_cur_term_input) - return 0; + return -1; return (grub_cur_term_input->checkkey) (); } From 8f44a91ea999abd9b5ce2821c82f4f9f2981bc71 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 9 Dec 2009 21:47:58 +0100 Subject: [PATCH 112/128] Fix bug in at_keyboard which blocked the menu countdown. --- term/at_keyboard.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/term/at_keyboard.c b/term/at_keyboard.c index 5d8dc3d89..9171430f4 100644 --- a/term/at_keyboard.c +++ b/term/at_keyboard.c @@ -24,6 +24,7 @@ #include static short at_keyboard_status = 0; +static int pending_key = -1; #define KEYBOARD_STATUS_SHIFT_L (1 << 0) #define KEYBOARD_STATUS_SHIFT_R (1 << 1) @@ -192,14 +193,27 @@ grub_at_keyboard_getkey_noblock (void) static int grub_at_keyboard_checkkey (void) { - /* FIXME: this will be triggered by BREAK events. */ - return KEYBOARD_ISREADY (grub_inb (KEYBOARD_REG_STATUS)) ? 1 : -1; + if (pending_key != -1) + return 1; + + pending_key = grub_at_keyboard_getkey_noblock (); + + if (pending_key != -1) + return 1; + + return -1; } static int grub_at_keyboard_getkey (void) { int key; + if (pending_key != -1) + { + key = pending_key; + pending_key = -1; + return key; + } do { key = grub_at_keyboard_getkey_noblock (); @@ -210,6 +224,8 @@ grub_at_keyboard_getkey (void) static grub_err_t grub_keyboard_controller_init (void) { + pending_key = -1; + at_keyboard_status = 0; grub_keyboard_controller_orig = grub_keyboard_controller_read (); grub_keyboard_controller_write (grub_keyboard_controller_orig | KEYBOARD_SCANCODE_SET1); return GRUB_ERR_NONE; From febfc12c6ee6b04d5a02320b8741a098738f8057 Mon Sep 17 00:00:00 2001 From: Robert Millan Date: Thu, 10 Dec 2009 22:38:54 +0000 Subject: [PATCH 113/128] 2009-12-10 Robert Millan * include/grub/mips/libgcc.h: Only export symbols for functions that libgcc provides. --- ChangeLog.mips | 5 +++++ include/grub/mips/libgcc.h | 16 +++++++++++++++- 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/ChangeLog.mips b/ChangeLog.mips index f5f048298..d12b0d180 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -1,3 +1,8 @@ +2009-12-10 Robert Millan + + * include/grub/mips/libgcc.h: Only export symbols for functions + that libgcc provides. + 2009-12-02 Vladimir Serbinenko MIPS support. diff --git a/include/grub/mips/libgcc.h b/include/grub/mips/libgcc.h index 3bea2f998..f06ea1c1c 100644 --- a/include/grub/mips/libgcc.h +++ b/include/grub/mips/libgcc.h @@ -1,6 +1,6 @@ /* * GRUB -- GRand Unified Bootloader - * Copyright (C) 2004,2007 Free Software Foundation, Inc. + * Copyright (C) 2004,2007,2009 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -16,9 +16,23 @@ * along with GRUB. If not, see . */ +#include + +#ifdef HAVE___ASHLDI3 void EXPORT_FUNC (__ashldi3) (void); +#endif +#ifdef HAVE___ASHRDI3 void EXPORT_FUNC (__ashrdi3) (void); +#endif +#ifdef HAVE___LSHRDI3 void EXPORT_FUNC (__lshrdi3) (void); +#endif +#ifdef HAVE___UCMPDI2 void EXPORT_FUNC (__ucmpdi2) (void); +#endif +#ifdef HAVE___BSWAPSI2 void EXPORT_FUNC (__bswapsi2) (void); +#endif +#ifdef HAVE___BSWAPDI2 void EXPORT_FUNC (__bswapdi2) (void); +#endif From d4af2a73dc93ff2febf98924e22fc802e5d115db Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Fri, 11 Dec 2009 22:14:09 +0100 Subject: [PATCH 114/128] datetime for yeeloong --- conf/i386-coreboot.rmk | 2 +- conf/i386-ieee1275.rmk | 2 +- conf/i386-pc.rmk | 2 +- conf/mips-yeeloong.rmk | 19 +++++++ include/grub/cmos.h | 72 ++++++++++++++++++++++++ include/grub/i386/cmos.h | 48 +--------------- include/grub/mips/cmos.h | 1 + include/grub/mips/yeeloong/cmos.h | 28 +++++++++ lib/{i386/datetime.c => cmos_datetime.c} | 6 +- 9 files changed, 127 insertions(+), 53 deletions(-) create mode 100644 include/grub/cmos.h create mode 100644 include/grub/mips/cmos.h create mode 100644 include/grub/mips/yeeloong/cmos.h rename lib/{i386/datetime.c => cmos_datetime.c} (95%) diff --git a/conf/i386-coreboot.rmk b/conf/i386-coreboot.rmk index b6e810605..794e9a993 100644 --- a/conf/i386-coreboot.rmk +++ b/conf/i386-coreboot.rmk @@ -185,7 +185,7 @@ lspci_mod_CFLAGS = $(COMMON_CFLAGS) lspci_mod_LDFLAGS = $(COMMON_LDFLAGS) # For datetime.mod -datetime_mod_SOURCES = lib/i386/datetime.c +datetime_mod_SOURCES = lib/cmos_datetime.c datetime_mod_CFLAGS = $(COMMON_CFLAGS) datetime_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/i386-ieee1275.rmk b/conf/i386-ieee1275.rmk index 4ee334325..5481cf1f7 100644 --- a/conf/i386-ieee1275.rmk +++ b/conf/i386-ieee1275.rmk @@ -122,7 +122,7 @@ lspci_mod_CFLAGS = $(COMMON_CFLAGS) lspci_mod_LDFLAGS = $(COMMON_LDFLAGS) # For datetime.mod -datetime_mod_SOURCES = lib/i386/datetime.c +datetime_mod_SOURCES = lib/cmos_datetime.c datetime_mod_CFLAGS = $(COMMON_CFLAGS) datetime_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk index 598e46043..baba84939 100644 --- a/conf/i386-pc.rmk +++ b/conf/i386-pc.rmk @@ -306,7 +306,7 @@ pxecmd_mod_CFLAGS = $(COMMON_CFLAGS) pxecmd_mod_LDFLAGS = $(COMMON_LDFLAGS) # For datetime.mod -datetime_mod_SOURCES = lib/i386/datetime.c +datetime_mod_SOURCES = lib/cmos_datetime.c datetime_mod_CFLAGS = $(COMMON_CFLAGS) datetime_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/mips-yeeloong.rmk b/conf/mips-yeeloong.rmk index d28194ebc..4257bba74 100644 --- a/conf/mips-yeeloong.rmk +++ b/conf/mips-yeeloong.rmk @@ -48,6 +48,25 @@ mmap_mod_CFLAGS = $(COMMON_CFLAGS) mmap_mod_LDFLAGS = $(COMMON_LDFLAGS) mmap_mod_ASFLAGS = $(COMMON_ASFLAGS) +# For datetime.mod +pkglib_MODULES += datetime.mod +datetime_mod_SOURCES = lib/cmos_datetime.c +datetime_mod_CFLAGS = $(COMMON_CFLAGS) +datetime_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For date.mod +pkglib_MODULES += date.mod +date_mod_SOURCES = commands/date.c +date_mod_CFLAGS = $(COMMON_CFLAGS) +date_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For datehook.mod +pkglib_MODULES += datehook.mod +datehook_mod_SOURCES = hook/datehook.c +datehook_mod_CFLAGS = $(COMMON_CFLAGS) +datehook_mod_LDFLAGS = $(COMMON_LDFLAGS) + + sbin_SCRIPTS += grub-install grub_install_SOURCES = util/grub-install.in diff --git a/include/grub/cmos.h b/include/grub/cmos.h new file mode 100644 index 000000000..f508e3bf6 --- /dev/null +++ b/include/grub/cmos.h @@ -0,0 +1,72 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008, 2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_CMOS_H +#define GRUB_CMOS_H 1 + +#include +#include +#include + +#define GRUB_CMOS_INDEX_SECOND 0 +#define GRUB_CMOS_INDEX_SECOND_ALARM 1 +#define GRUB_CMOS_INDEX_MINUTE 2 +#define GRUB_CMOS_INDEX_MINUTE_ALARM 3 +#define GRUB_CMOS_INDEX_HOUR 4 +#define GRUB_CMOS_INDEX_HOUR_ALARM 5 +#define GRUB_CMOS_INDEX_DAY_OF_WEEK 6 +#define GRUB_CMOS_INDEX_DAY_OF_MONTH 7 +#define GRUB_CMOS_INDEX_MONTH 8 +#define GRUB_CMOS_INDEX_YEAR 9 + +#define GRUB_CMOS_INDEX_STATUS_A 0xA +#define GRUB_CMOS_INDEX_STATUS_B 0xB +#define GRUB_CMOS_INDEX_STATUS_C 0xC +#define GRUB_CMOS_INDEX_STATUS_D 0xD + +#define GRUB_CMOS_STATUS_B_DAYLIGHT 1 +#define GRUB_CMOS_STATUS_B_24HOUR 2 +#define GRUB_CMOS_STATUS_B_BINARY 4 + +static inline grub_uint8_t +grub_bcd_to_num (grub_uint8_t a) +{ + return ((a >> 4) * 10 + (a & 0xF)); +} + +static inline grub_uint8_t +grub_num_to_bcd (grub_uint8_t a) +{ + return (((a / 10) << 4) + (a % 10)); +} + +static inline grub_uint8_t +grub_cmos_read (grub_uint8_t index) +{ + grub_outb (index, GRUB_CMOS_ADDR_REG); + return grub_inb (GRUB_CMOS_DATA_REG); +} + +static inline void +grub_cmos_write (grub_uint8_t index, grub_uint8_t value) +{ + grub_outb (index, GRUB_CMOS_ADDR_REG); + grub_outb (value, GRUB_CMOS_DATA_REG); +} + +#endif /* GRUB_CMOS_H */ diff --git a/include/grub/i386/cmos.h b/include/grub/i386/cmos.h index 1c0530dba..8b1fa3586 100644 --- a/include/grub/i386/cmos.h +++ b/include/grub/i386/cmos.h @@ -20,55 +20,9 @@ #define GRUB_CPU_CMOS_H 1 #include -#include +#include #define GRUB_CMOS_ADDR_REG 0x70 #define GRUB_CMOS_DATA_REG 0x71 -#define GRUB_CMOS_INDEX_SECOND 0 -#define GRUB_CMOS_INDEX_SECOND_ALARM 1 -#define GRUB_CMOS_INDEX_MINUTE 2 -#define GRUB_CMOS_INDEX_MINUTE_ALARM 3 -#define GRUB_CMOS_INDEX_HOUR 4 -#define GRUB_CMOS_INDEX_HOUR_ALARM 5 -#define GRUB_CMOS_INDEX_DAY_OF_WEEK 6 -#define GRUB_CMOS_INDEX_DAY_OF_MONTH 7 -#define GRUB_CMOS_INDEX_MONTH 8 -#define GRUB_CMOS_INDEX_YEAR 9 - -#define GRUB_CMOS_INDEX_STATUS_A 0xA -#define GRUB_CMOS_INDEX_STATUS_B 0xB -#define GRUB_CMOS_INDEX_STATUS_C 0xC -#define GRUB_CMOS_INDEX_STATUS_D 0xD - -#define GRUB_CMOS_STATUS_B_DAYLIGHT 1 -#define GRUB_CMOS_STATUS_B_24HOUR 2 -#define GRUB_CMOS_STATUS_B_BINARY 4 - -static inline grub_uint8_t -grub_bcd_to_num (grub_uint8_t a) -{ - return ((a >> 4) * 10 + (a & 0xF)); -} - -static inline grub_uint8_t -grub_num_to_bcd (grub_uint8_t a) -{ - return (((a / 10) << 4) + (a % 10)); -} - -static inline grub_uint8_t -grub_cmos_read (grub_uint8_t index) -{ - grub_outb (index, GRUB_CMOS_ADDR_REG); - return grub_inb (GRUB_CMOS_DATA_REG); -} - -static inline void -grub_cmos_write (grub_uint8_t index, grub_uint8_t value) -{ - grub_outb (index, GRUB_CMOS_ADDR_REG); - grub_outb (value, GRUB_CMOS_DATA_REG); -} - #endif /* GRUB_CPU_CMOS_H */ diff --git a/include/grub/mips/cmos.h b/include/grub/mips/cmos.h new file mode 100644 index 000000000..79a7a4c1b --- /dev/null +++ b/include/grub/mips/cmos.h @@ -0,0 +1 @@ +#include diff --git a/include/grub/mips/yeeloong/cmos.h b/include/grub/mips/yeeloong/cmos.h new file mode 100644 index 000000000..f2a32d736 --- /dev/null +++ b/include/grub/mips/yeeloong/cmos.h @@ -0,0 +1,28 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_CPU_CMOS_H +#define GRUB_CPU_CMOS_H 1 + +#include +#include + +#define GRUB_CMOS_ADDR_REG 0xbfd00070 +#define GRUB_CMOS_DATA_REG 0xbfd00071 + +#endif /* GRUB_CPU_CMOS_H */ diff --git a/lib/i386/datetime.c b/lib/cmos_datetime.c similarity index 95% rename from lib/i386/datetime.c rename to lib/cmos_datetime.c index 63858ed03..8db60b48c 100644 --- a/lib/i386/datetime.c +++ b/lib/cmos_datetime.c @@ -1,7 +1,7 @@ -/* kern/i386/datetime.c - x86 CMOS datetime function. +/* kern/cmos_datetime.c - CMOS datetime function. * * GRUB -- GRand Unified Bootloader - * Copyright (C) 2008 Free Software Foundation, Inc. + * Copyright (C) 2008,2009 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,7 +18,7 @@ */ #include -#include +#include grub_err_t grub_get_datetime (struct grub_datetime *datetime) From 5417641c666b64feb035c9b893a45e8987071390 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 12 Dec 2009 02:33:15 +0100 Subject: [PATCH 115/128] Fix loading of modules of size not divisible by 4 --- util/grub-mkrawimage.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/util/grub-mkrawimage.c b/util/grub-mkrawimage.c index 5399f4c42..58b30f5be 100644 --- a/util/grub-mkrawimage.c +++ b/util/grub-mkrawimage.c @@ -134,7 +134,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], if (config_path) { - config_size = grub_util_get_image_size (config_path) + 1; + config_size = ALIGN_UP(grub_util_get_image_size (config_path) + 1, 4); grub_util_info ("the size of config file is 0x%x", config_size); total_module_size += config_size + sizeof (struct grub_module_header); } @@ -163,15 +163,17 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], for (p = path_list; p; p = p->next) { struct grub_module_header *header; - size_t mod_size; + size_t mod_size, orig_size; - mod_size = grub_util_get_image_size (p->name); + orig_size = grub_util_get_image_size (p->name); + mod_size = ALIGN_UP(orig_size, 4); header = (struct grub_module_header *) (kernel_img + offset); memset (header, 0, sizeof (struct grub_module_header)); header->type = OBJ_TYPE_ELF; header->size = grub_host_to_target32 (mod_size + sizeof (*header)); offset += sizeof (*header); + memset (kernel_img + offset + orig_size, 0, mod_size - orig_size); grub_util_load_image (p->name, kernel_img + offset); offset += mod_size; From b66948bd8852092def61b4e7c07e680dc10e2680 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 12 Dec 2009 02:33:41 +0100 Subject: [PATCH 116/128] setjmp on mips --- include/grub/mips/setjmp.h | 27 ++++++++++++++++ lib/mips/setjmp.S | 65 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 92 insertions(+) create mode 100644 include/grub/mips/setjmp.h diff --git a/include/grub/mips/setjmp.h b/include/grub/mips/setjmp.h new file mode 100644 index 000000000..5e5985586 --- /dev/null +++ b/include/grub/mips/setjmp.h @@ -0,0 +1,27 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2004,2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_SETJMP_CPU_HEADER +#define GRUB_SETJMP_CPU_HEADER 1 + +typedef unsigned long grub_jmp_buf[11]; + +int grub_setjmp (grub_jmp_buf env) __attribute__ ((returns_twice)); +void grub_longjmp (grub_jmp_buf env, int val) __attribute__ ((noreturn)); + +#endif /* ! GRUB_SETJMP_CPU_HEADER */ diff --git a/lib/mips/setjmp.S b/lib/mips/setjmp.S index e69de29bb..8ab6222c4 100644 --- a/lib/mips/setjmp.S +++ b/lib/mips/setjmp.S @@ -0,0 +1,65 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include + + .file "setjmp.S" + + .text + +/* + * int grub_setjmp (grub_jmp_buf env) + */ +FUNCTION(grub_setjmp) + sw $s0, 0($a0) + sw $s1, 4($a0) + sw $s2, 8($a0) + sw $s3, 12($a0) + sw $s4, 16($a0) + sw $s5, 20($a0) + sw $s6, 24($a0) + sw $s7, 28($a0) + sw $s8, 32($a0) + sw $gp, 36($a0) + sw $sp, 40($a0) + sw $ra, 44($a0) + move $v0, $zero + move $v1, $zero + jr $ra +/* + * int grub_longjmp (grub_jmp_buf env, int val) + */ +FUNCTION(grub_longjmp) + lw $s0, 0($a0) + lw $s1, 4($a0) + lw $s2, 8($a0) + lw $s3, 12($a0) + lw $s4, 16($a0) + lw $s5, 20($a0) + lw $s6, 24($a0) + lw $s7, 28($a0) + lw $s8, 32($a0) + lw $gp, 36($a0) + lw $sp, 40($a0) + lw $ra, 44($a0) + move $v0, $a1 + bne $v0, $zero, 1f + addiu $v0, $v0, 1 +1: + move $v1, $zero + jr $ra From 7cba88bbde9f37089f4bce8eaefec1e77f0c9903 Mon Sep 17 00:00:00 2001 From: Felix Zielcke Date: Sun, 13 Dec 2009 21:03:47 +0100 Subject: [PATCH 117/128] Include instead of in kern/i386/qemu/mmap.c to fix a compiler warning --- kern/i386/qemu/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kern/i386/qemu/mmap.c b/kern/i386/qemu/mmap.c index 4ccae023a..c7fc4f45e 100644 --- a/kern/i386/qemu/mmap.c +++ b/kern/i386/qemu/mmap.c @@ -22,7 +22,7 @@ #include #include #include -#include +#include #define QEMU_CMOS_MEMSIZE_HIGH 0x35 #define QEMU_CMOS_MEMSIZE_LOW 0x34 From ffb2403f5fadfd83cd8abaf716078f4f93cb24ed Mon Sep 17 00:00:00 2001 From: Robert Millan Date: Tue, 15 Dec 2009 21:06:04 +0000 Subject: [PATCH 118/128] Undo DEFAULT_VIDEO_MODE kludge (correct solution is in gfxmenu branch) --- term/gfxterm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/term/gfxterm.c b/term/gfxterm.c index 20dc11c20..972c7236d 100644 --- a/term/gfxterm.c +++ b/term/gfxterm.c @@ -27,7 +27,7 @@ #include #include -#define DEFAULT_VIDEO_MODE "1024x600" +#define DEFAULT_VIDEO_MODE "1024x768,800x600,640x480" #define DEFAULT_BORDER_WIDTH 10 #define DEFAULT_STANDARD_COLOR 0x07 From b617a75beff8af749ee5f35183f37c27472f4a37 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 21 Dec 2009 22:38:51 +0100 Subject: [PATCH 119/128] Fix compilation on ppc --- loader/powerpc/ieee1275/linux.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/loader/powerpc/ieee1275/linux.c b/loader/powerpc/ieee1275/linux.c index 79fbf0b02..1056ab9eb 100644 --- a/loader/powerpc/ieee1275/linux.c +++ b/loader/powerpc/ieee1275/linux.c @@ -110,7 +110,7 @@ grub_linux_load32 (grub_elf_t elf) if (entry == 0) entry = 0x01400000; - linux_size = grub_elf32_size (elf); + linux_size = grub_elf32_size (elf, 0); if (linux_size == 0) return grub_errno; /* Pad it; the kernel scribbles over memory beyond its load address. */ @@ -160,7 +160,7 @@ grub_linux_load64 (grub_elf_t elf) if (entry == 0) entry = 0x01400000; - linux_size = grub_elf64_size (elf); + linux_size = grub_elf64_size (elf, 0); if (linux_size == 0) return grub_errno; /* Pad it; the kernel scribbles over memory beyond its load address. */ From 45a8e94c9ceb0a29f9c4b8e0cb1356af9fd5aa4d Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 28 Dec 2009 01:06:48 +0100 Subject: [PATCH 120/128] Ensure embeded config finishes with \0 --- util/grub-mkrawimage.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/util/grub-mkrawimage.c b/util/grub-mkrawimage.c index 8186c8601..c5af6ad82 100644 --- a/util/grub-mkrawimage.c +++ b/util/grub-mkrawimage.c @@ -106,7 +106,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], { char *kernel_img, *core_img; size_t kernel_size, total_module_size, core_size; - size_t memdisk_size = 0, font_size = 0, config_size = 0; + size_t memdisk_size = 0, font_size = 0, config_size = 0, config_size_pure = 0; char *kernel_path; size_t offset; struct grub_util_path_list *path_list, *p, *next; @@ -134,7 +134,8 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], if (config_path) { - config_size = ALIGN_UP(grub_util_get_image_size (config_path) + 1, 4); + config_size_pure = grub_util_get_image_size (config_path) + 1; + config_size = ALIGN_UP(config_size_pure, 4); grub_util_info ("the size of config file is 0x%x", config_size); total_module_size += config_size + sizeof (struct grub_module_header); } @@ -218,8 +219,8 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], offset += sizeof (*header); grub_util_load_image (config_path, kernel_img + offset); + *(kernel_img + offset + config_size_pure - 1) = 0; offset += config_size; - *(kernel_img + offset - 1) = 0; } grub_util_info ("kernel_img=%p, kernel_size=0x%x", kernel_img, kernel_size); From 94c201f71436ecfc131ca2cbac9a4497ffb6822c Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 28 Dec 2009 01:07:18 +0100 Subject: [PATCH 121/128] Add forgotten config_opt parameter --- util/grub-install.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/grub-install.in b/util/grub-install.in index c59065072..ad01ff6fc 100644 --- a/util/grub-install.in +++ b/util/grub-install.in @@ -347,7 +347,7 @@ if [ "${target_cpu}-${platform}" = "i386-pc" ] || [ "${target_cpu}-${platform}" $grub_setup ${setup_verbose} ${setup_force} --directory=${grubdir} --device-map=${device_map} \ ${install_device} || exit 1 elif [ "${target_cpu}-${platform}" = "mips-yeeloong" ] ; then - $grub_mkimage -f ${font} -d ${pkglibdir} -O elf --output=/boot/grub.elf --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1 + $grub_mkimage ${config_opt} -f ${font} -d ${pkglibdir} -O elf --output=/boot/grub.elf --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1 else $grub_mkimage ${config_opt} -d ${pkglibdir} --output=/boot/multiboot.img --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1 fi From 8291c2a3c929359652cf115dae40e40110018f6a Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 29 Dec 2009 18:40:52 +0100 Subject: [PATCH 122/128] Fix a missing declaration --- video/sm712.c | 1 + 1 file changed, 1 insertion(+) diff --git a/video/sm712.c b/video/sm712.c index 52e43e9ae..5383b695e 100644 --- a/video/sm712.c +++ b/video/sm712.c @@ -68,6 +68,7 @@ grub_video_sm712_setup (unsigned int width, unsigned int height, grub_err_t err; int found = 0; + auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused))); int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused))) { grub_pci_address_t addr; From 0997ea7a43b941074c370b631dbf0012ce35471d Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 29 Dec 2009 22:19:00 +0100 Subject: [PATCH 123/128] Fix compilation on sparc64 --- loader/sparc64/ieee1275/linux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/loader/sparc64/ieee1275/linux.c b/loader/sparc64/ieee1275/linux.c index 3af93df7d..6513626d4 100644 --- a/loader/sparc64/ieee1275/linux.c +++ b/loader/sparc64/ieee1275/linux.c @@ -246,7 +246,7 @@ grub_linux_load64 (grub_elf_t elf) linux_entry = elf->ehdr.ehdr64.e_entry; linux_addr = 0x40004000; off = 0x4000; - linux_size = grub_elf64_size (elf); + linux_size = grub_elf64_size (elf, 0); if (linux_size == 0) return grub_errno; From ba2d24dc113d5c2634797860ede3de57904ee700 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 30 Dec 2009 15:31:45 +0100 Subject: [PATCH 124/128] Add missing -ffreestanding on mips --- conf/mips.rmk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/conf/mips.rmk b/conf/mips.rmk index a6fcaf88e..1ef9579e8 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -2,7 +2,7 @@ # -*- makefile -*- COMMON_ASFLAGS += -nostdinc -COMMON_CFLAGS += -mexplicit-relocs -mflush-func=grub_cpu_flush_cache +COMMON_CFLAGS += -ffreestanding -mexplicit-relocs -mflush-func=grub_cpu_flush_cache COMMON_LDFLAGS += -nostdlib # Used by various components. These rules need to precede them. From 502dc3e5c4e36ac4c6fc3112c8afad79ab123342 Mon Sep 17 00:00:00 2001 From: Felix Zielcke Date: Mon, 11 Jan 2010 11:30:47 +0100 Subject: [PATCH 125/128] 2010-01-11 Felix Zielcke * po/POTFILES: Replace `term/i386/pc/serial.c' with `term/serial.c'. --- ChangeLog.mips | 4 ++++ po/POTFILES | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/ChangeLog.mips b/ChangeLog.mips index d12b0d180..1bbe1c273 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -1,3 +1,7 @@ +2010-01-11 Felix Zielcke + + * po/POTFILES: Replace `term/i386/pc/serial.c' with `term/serial.c'. + 2009-12-10 Robert Millan * include/grub/mips/libgcc.h: Only export symbols for functions diff --git a/po/POTFILES b/po/POTFILES index d6b20fef6..04a3516fa 100644 --- a/po/POTFILES +++ b/po/POTFILES @@ -75,7 +75,7 @@ normal/menu_entry.c normal/menu_text.c normal/misc.c -term/i386/pc/serial.c +term/serial.c util/grub-mkrawimage.c util/i386/pc/grub-setup.c From 4df7b90f9434e341fd0402acb578d11b44eb5de3 Mon Sep 17 00:00:00 2001 From: Robert Millan Date: Mon, 18 Jan 2010 22:07:05 +0000 Subject: [PATCH 126/128] Add (unused) mode_mask parameter to grub_video_sm712_setup() --- video/sm712.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/video/sm712.c b/video/sm712.c index 5383b695e..1e0f59b9d 100644 --- a/video/sm712.c +++ b/video/sm712.c @@ -1,6 +1,6 @@ /* * GRUB -- GRand Unified Bootloader - * Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc. + * Copyright (C) 2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -62,7 +62,7 @@ grub_video_sm712_video_fini (void) static grub_err_t grub_video_sm712_setup (unsigned int width, unsigned int height, - unsigned int mode_type) + unsigned int mode_type, unsigned int mode_mask __attribute__ ((unused))) { int depth; grub_err_t err; From e3538adaea469c20a2ab77d97891b068bb5b6013 Mon Sep 17 00:00:00 2001 From: Robert Millan Date: Wed, 20 Jan 2010 01:19:53 +0000 Subject: [PATCH 127/128] 2009-12-20 Robert Millan * kern/mips/yeeloong/init.c (grub_video_sm712_init) (grub_video_video_init, grub_video_bitmap_init) (grub_font_manager_init, grub_term_gfxterm_init) (grub_at_keyboard_init): New extern declarations. (grub_machine_init): Initialize gfxterm and at_keyboard. * kern/main.c (grub_main): Revert grub_printf delay kludge. * util/grub-install.in: Revert embed of `at_keyboard.mod' and `gfxterm.mod' into core image. * conf/mips.rmk (pkglib_IMAGES, kernel_img_SOURCES) (kernel_img_CFLAGS, kernel_img_ASFLAGS, kernel_img_LDFLAGS) (kernel_img_FORMAT): Copy to ... * conf/mips-qemu-mips.rmk (pkglib_IMAGES, kernel_img_SOURCES) (kernel_img_CFLAGS, kernel_img_ASFLAGS, kernel_img_LDFLAGS) (kernel_img_FORMAT): ... here, and ... * conf/mips-yeeloong.rmk (pkglib_IMAGES, kernel_img_SOURCES) (kernel_img_CFLAGS, kernel_img_ASFLAGS, kernel_img_LDFLAGS) (kernel_img_FORMAT): ... here. (kernel_img_SOURCES): Add files necessary for output (gfxterm) and input (at_keyboard) terminals in kernel. (kernel_img_CFLAGS): Add `-DUSE_ASCII_FAILBACK'. (pkglib_MODULES): Remove `pci.mod'. (pci_mod_SOURCES, pci_mod_CFLAGS, pci_mod_LDFLAGS) (sm712_mod_SOURCES, sm712_mod_CFLAGS, sm712_mod_LDFLAGS) (at_keyboard_mod_SOURCES, at_keyboard_mod_CFLAGS) (at_keyboard_mod_LDFLAGS): Remove variables. --- ChangeLog.mips | 35 +++++++++++++++++++++++++++++++++ conf/mips-qemu-mips.rmk | 17 ++++++++++++++++ conf/mips-yeeloong.rmk | 41 +++++++++++++++++++++++---------------- conf/mips.rmk | 18 ----------------- kern/main.c | 12 ++++++------ kern/mips/yeeloong/init.c | 19 +++++++++++++++++- util/grub-install.in | 4 ---- 7 files changed, 100 insertions(+), 46 deletions(-) diff --git a/ChangeLog.mips b/ChangeLog.mips index 1bbe1c273..12797095d 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -1,3 +1,38 @@ +2009-12-20 Robert Millan + + * kern/mips/yeeloong/init.c (grub_video_sm712_init) + (grub_video_video_init, grub_video_bitmap_init) + (grub_font_manager_init, grub_term_gfxterm_init) + (grub_at_keyboard_init): New extern declarations. + (grub_machine_init): Initialize gfxterm and at_keyboard. + + * kern/main.c (grub_main): Revert grub_printf delay kludge. + + * util/grub-install.in: Revert embed of `at_keyboard.mod' and + `gfxterm.mod' into core image. + + * conf/mips.rmk (pkglib_IMAGES, kernel_img_SOURCES) + (kernel_img_CFLAGS, kernel_img_ASFLAGS, kernel_img_LDFLAGS) + (kernel_img_FORMAT): Copy to ... + + * conf/mips-qemu-mips.rmk (pkglib_IMAGES, kernel_img_SOURCES) + (kernel_img_CFLAGS, kernel_img_ASFLAGS, kernel_img_LDFLAGS) + (kernel_img_FORMAT): ... here, and ... + + * conf/mips-yeeloong.rmk (pkglib_IMAGES, kernel_img_SOURCES) + (kernel_img_CFLAGS, kernel_img_ASFLAGS, kernel_img_LDFLAGS) + (kernel_img_FORMAT): ... here. + + (kernel_img_SOURCES): Add files necessary for output (gfxterm) + and input (at_keyboard) terminals in kernel. + (kernel_img_CFLAGS): Add `-DUSE_ASCII_FAILBACK'. + + (pkglib_MODULES): Remove `pci.mod'. + (pci_mod_SOURCES, pci_mod_CFLAGS, pci_mod_LDFLAGS) + (sm712_mod_SOURCES, sm712_mod_CFLAGS, sm712_mod_LDFLAGS) + (at_keyboard_mod_SOURCES, at_keyboard_mod_CFLAGS) + (at_keyboard_mod_LDFLAGS): Remove variables. + 2010-01-11 Felix Zielcke * po/POTFILES: Replace `term/i386/pc/serial.c' with `term/serial.c'. diff --git a/conf/mips-qemu-mips.rmk b/conf/mips-qemu-mips.rmk index d5a985a13..e06370122 100644 --- a/conf/mips-qemu-mips.rmk +++ b/conf/mips-qemu-mips.rmk @@ -4,3 +4,20 @@ target_machine=qemu-mips COMMON_CFLAGS += -march=mips3 COMMON_ASFLAGS += -march=mips3 include $(srcdir)/conf/mips.mk + +pkglib_IMAGES = kernel.img +kernel_img_SOURCES = kern/$(target_cpu)/startup.S \ + kern/main.c kern/device.c kern/$(target_cpu)/init.c \ + kern/$(target_cpu)/$(target_machine)/init.c \ + kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ + kern/misc.c kern/mm.c kern/term.c \ + kern/rescue_parser.c kern/rescue_reader.c \ + kern/list.c kern/handler.c kern/command.c kern/corecmd.c \ + kern/parser.c kern/partition.c kern/env.c kern/$(target_cpu)/dl.c \ + kern/generic/millisleep.c kern/generic/rtc_get_time_ms.c kern/time.c \ + symlist.c kern/$(target_cpu)/cache.S +kernel_img_CFLAGS = $(COMMON_CFLAGS) +kernel_img_ASFLAGS = $(COMMON_ASFLAGS) +kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -static-libgcc -lgcc \ + -Wl,-N,-S,-Ttext,$(LINK_BASE),-Bstatic +kernel_img_FORMAT = binary diff --git a/conf/mips-yeeloong.rmk b/conf/mips-yeeloong.rmk index 4257bba74..964f29384 100644 --- a/conf/mips-yeeloong.rmk +++ b/conf/mips-yeeloong.rmk @@ -5,11 +5,30 @@ COMMON_CFLAGS += -march=mips3 COMMON_ASFLAGS += -march=mips3 include $(srcdir)/conf/mips.mk -# For pci.mod. -pkglib_MODULES += pci.mod -pci_mod_SOURCES = bus/pci.c bus/bonito.c -pci_mod_CFLAGS = $(COMMON_CFLAGS) -pci_mod_LDFLAGS = $(COMMON_LDFLAGS) +pkglib_IMAGES = kernel.img +kernel_img_SOURCES = kern/$(target_cpu)/startup.S \ + kern/main.c kern/device.c kern/$(target_cpu)/init.c \ + kern/$(target_cpu)/$(target_machine)/init.c \ + kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ + kern/misc.c kern/mm.c kern/term.c \ + kern/rescue_parser.c kern/rescue_reader.c \ + kern/list.c kern/handler.c kern/command.c kern/corecmd.c \ + kern/parser.c kern/partition.c kern/env.c kern/$(target_cpu)/dl.c \ + kern/generic/millisleep.c kern/generic/rtc_get_time_ms.c kern/time.c \ + kern/$(target_cpu)/cache.S \ + \ + term/at_keyboard.c \ + font/font_cmd.c font/font.c io/bufio.c \ + video/video.c video/fb/video_fb.c video/fb/fbblit.c \ + video/fb/fbfill.c video/fb/fbutil.c video/bitmap.c \ + video/sm712.c bus/pci.c bus/bonito.c \ + term/gfxterm.c commands/extcmd.c lib/arg.c \ + symlist.c +kernel_img_CFLAGS = $(COMMON_CFLAGS) -DUSE_ASCII_FAILBACK +kernel_img_ASFLAGS = $(COMMON_ASFLAGS) +kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -static-libgcc -lgcc \ + -Wl,-N,-S,-Ttext,$(LINK_BASE),-Bstatic +kernel_img_FORMAT = binary # For ata.mod. pkglib_MODULES += ata.mod @@ -17,24 +36,12 @@ ata_mod_SOURCES = disk/ata.c ata_mod_CFLAGS = $(COMMON_CFLAGS) ata_mod_LDFLAGS = $(COMMON_LDFLAGS) -# For pci.mod. -pkglib_MODULES += sm712.mod -sm712_mod_SOURCES = video/sm712.c -sm712_mod_CFLAGS = $(COMMON_CFLAGS) -sm712_mod_LDFLAGS = $(COMMON_LDFLAGS) - # For lspci.mod pkglib_MODULES += lspci.mod lspci_mod_SOURCES = commands/lspci.c lspci_mod_CFLAGS = $(COMMON_CFLAGS) lspci_mod_LDFLAGS = $(COMMON_LDFLAGS) -# For at_keyboard.mod. -pkglib_MODULES += at_keyboard.mod -at_keyboard_mod_SOURCES = term/at_keyboard.c -at_keyboard_mod_CFLAGS = $(COMMON_CFLAGS) -at_keyboard_mod_LDFLAGS = $(COMMON_LDFLAGS) - # For ata_pthru.mod. pkglib_MODULES += ata_pthru.mod ata_pthru_mod_SOURCES = disk/ata_pthru.c diff --git a/conf/mips.rmk b/conf/mips.rmk index 55fd83d73..fedfb4c54 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -25,24 +25,6 @@ symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h gensymlist. kernel_syms.lst: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h genkernsyms.sh /bin/sh genkernsyms.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1) -# Programs -pkglib_IMAGES = kernel.img -kernel_img_SOURCES = kern/$(target_cpu)/startup.S \ - kern/main.c kern/device.c kern/$(target_cpu)/init.c \ - kern/$(target_cpu)/$(target_machine)/init.c \ - kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ - kern/misc.c kern/mm.c kern/term.c \ - kern/rescue_parser.c kern/rescue_reader.c \ - kern/list.c kern/handler.c kern/command.c kern/corecmd.c \ - kern/parser.c kern/partition.c kern/env.c kern/$(target_cpu)/dl.c \ - kern/generic/millisleep.c kern/generic/rtc_get_time_ms.c kern/time.c \ - symlist.c kern/$(target_cpu)/cache.S -kernel_img_CFLAGS = $(COMMON_CFLAGS) -kernel_img_ASFLAGS = $(COMMON_ASFLAGS) -kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -static-libgcc -lgcc \ - -Wl,-N,-S,-Ttext,$(LINK_BASE),-Bstatic -kernel_img_FORMAT = binary - # Scripts. sbin_SCRIPTS = bin_SCRIPTS = diff --git a/kern/main.c b/kern/main.c index ae32d47f6..57a0f4a3d 100644 --- a/kern/main.c +++ b/kern/main.c @@ -152,6 +152,12 @@ grub_main (void) /* First of all, initialize the machine. */ grub_machine_init (); + /* Hello. */ + grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); + grub_printf ("Welcome to GRUB!\n\n"); + grub_refresh (); + grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); + /* Load pre-loaded modules and free the space. */ grub_register_exported_symbols (); #ifdef GRUB_LINKER_HAVE_INIT @@ -159,12 +165,6 @@ grub_main (void) #endif grub_load_modules (); - /* Hello. */ - grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT); - grub_printf ("Welcome to GRUB!\n\n"); - grub_refresh (); - grub_setcolorstate (GRUB_TERM_COLOR_STANDARD); - /* It is better to set the root device as soon as possible, for convenience. */ grub_machine_set_prefix (); diff --git a/kern/mips/yeeloong/init.c b/kern/mips/yeeloong/init.c index 8b93ac18f..14e8a39a2 100644 --- a/kern/mips/yeeloong/init.c +++ b/kern/mips/yeeloong/init.c @@ -1,6 +1,6 @@ /* * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 Free Software Foundation, Inc. + * Copyright (C) 2009,2010 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -28,6 +28,13 @@ #include #include +extern void grub_video_sm712_init (void); +extern void grub_video_video_init (void); +extern void grub_video_bitmap_init (void); +extern void grub_font_manager_init (void); +extern void grub_term_gfxterm_init (void); +extern void grub_at_keyboard_init (void); + /* FIXME: use interrupt to count high. */ grub_uint64_t grub_get_rtc (void) @@ -87,6 +94,16 @@ grub_machine_init (void) - (((grub_addr_t) modend) - GRUB_ARCH_LOWMEMVSTART)); /* FIXME: use upper memory as well. */ grub_install_get_time_ms (grub_rtc_get_time_ms); + + /* Initialize output terminal (can't be done earlier, as gfxterm + relies on a working heap. */ + grub_video_sm712_init (); + grub_video_video_init (); + grub_video_bitmap_init (); + grub_font_manager_init (); + grub_term_gfxterm_init (); + + grub_at_keyboard_init (); } void diff --git a/util/grub-install.in b/util/grub-install.in index 509593d63..bb323d706 100644 --- a/util/grub-install.in +++ b/util/grub-install.in @@ -292,10 +292,6 @@ partmap_module=`$grub_probe --target=partmap --device ${grub_device} 2> /dev/nul # Device abstraction module, if any (lvm, raid). devabstraction_module=`$grub_probe --target=abstraction --device ${grub_device}` -if [ "${target_cpu}-${platform}" = "mips-yeeloong" ] ; then - modules="sm712 gfxterm at_keyboard $modules" -fi - # The order in this list is critical. Be careful when modifying it. modules="$modules $disk_module" modules="$modules $fs_module $partmap_module $devabstraction_module" From ff9890710e5f06fa93e856acf61ab1a6366d8a87 Mon Sep 17 00:00:00 2001 From: Robert Millan Date: Wed, 20 Jan 2010 01:29:06 +0000 Subject: [PATCH 128/128] 2009-12-20 Robert Millan * loader/mips/linux.c (grub_cmd_initrd) (GRUB_MOD_INIT(linux)): Adjust and gettextize a few strings. --- ChangeLog.mips | 5 +++++ loader/mips/linux.c | 10 +++++----- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/ChangeLog.mips b/ChangeLog.mips index 12797095d..274bf7dc4 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -1,3 +1,8 @@ +2009-12-20 Robert Millan + + * loader/mips/linux.c (grub_cmd_initrd) + (GRUB_MOD_INIT(linux)): Adjust and gettextize a few strings. + 2009-12-20 Robert Millan * kern/mips/yeeloong/init.c (grub_video_sm712_init) diff --git a/loader/mips/linux.c b/loader/mips/linux.c index 8d7cda0ed..b52f098ac 100644 --- a/loader/mips/linux.c +++ b/loader/mips/linux.c @@ -1,7 +1,7 @@ /* linux.c - boot Linux */ /* * GRUB -- GRand Unified Bootloader - * Copyright (C) 2003, 2004, 2005, 2007, 2009 Free Software Foundation, Inc. + * Copyright (C) 2003,2004,2005,2007,2009,2010 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -318,10 +318,10 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), grub_size_t overhead; if (argc == 0) - return grub_error (GRUB_ERR_BAD_ARGUMENT, "no initrd specified"); + return grub_error (GRUB_ERR_BAD_ARGUMENT, "No initrd specified"); if (!loaded) - return grub_error (GRUB_ERR_BAD_ARGUMENT, "You need to load the kernel first."); + return grub_error (GRUB_ERR_BAD_ARGUMENT, "You need to load Linux first."); if (initrd_loaded) return grub_error (GRUB_ERR_BAD_ARGUMENT, "Only one initrd can be loaded."); @@ -376,9 +376,9 @@ static grub_command_t cmd_linux, cmd_initrd; GRUB_MOD_INIT(linux) { cmd_linux = grub_register_command ("linux", grub_cmd_linux, - 0, "load a linux kernel"); + 0, N_("Load Linux.")); cmd_initrd = grub_register_command ("initrd", grub_cmd_initrd, - 0, "load an initrd"); + 0, N_("Load initrd.")); my_mod = mod; }