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Split relocators from mips branch

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2009-11-25 23:39:59 +01:00
parent 6717926e6e
commit 636813f768
19 changed files with 1356 additions and 216 deletions
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30
include/grub/i386/memory.h Normal file
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@ -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 <http://www.gnu.org/licenses/>.
*/
#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 */

11
include/grub/i386/multiboot.h
View file

@ -27,16 +27,11 @@ void grub_multiboot2_real_boot (grub_addr_t entry,
struct 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 */

5
include/grub/i386/pc/memory.h
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@ -27,6 +27,8 @@
#include <grub/memory.h>
#endif
#include <grub/i386/memory.h>
/* 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)
@ -62,9 +64,6 @@
/* 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

41
include/grub/i386/relocator.h Normal file
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@ -0,0 +1,41 @@
/*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_RELOCATOR_CPU_HEADER
#define GRUB_RELOCATOR_CPU_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
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 */