8231fb77c6
2009-06-27 Robert Millan <rmh.grub@aybabtu.com>
* include/grub/dl.h: Include grub/elf.h.
(struct grub_dl): Add symtab field.
* kern/dl.c [GRUB_MACHINE_QEMU]: Define
GRUB_MODULES_MACHINE_READONLY.
(grub_dl_resolve_symbols): Populate mod->symtab, making a copy
of the header for read-only modules.
(grub_dl_unload): Free mod->symtab for read-only modules.
* kern/i386/dl.c: Use mod->symtab.
* kern/powerpc/dl.c: Likewise.
* kern/sparc64/dl.c: Likewise.
* kern/x86_64/dl.c: Likewise.
* conf/i386-qemu.rmk: New file.
* kern/i386/qemu/startup.S: Likewise.
* kern/i386/qemu/mmap.c: Likewise.
* boot/i386/qemu/boot.S: Likewise.
* include/grub/i386/qemu/time.h: Likewise.
* include/grub/i386/qemu/serial.h: Likewise.
* include/grub/i386/qemu/kernel.h: Likewise.
* include/grub/i386/qemu/console.h: Likewise.
* include/grub/i386/qemu/boot.h: Likewise.
* include/grub/i386/qemu/init.h: Likewise.
* include/grub/i386/qemu/machine.h: Likewise.
* include/grub/i386/qemu/loader.h: Likewise.
* include/grub/i386/qemu/memory.h: Likewise.
* conf/i386-coreboot.rmk (GRUB_BOOT_MACHINE_LINK_ADDR)
(GRUB_KERNEL_MACHINE_LINK_ADDR): New variables.
[qemu] (pkglib_IMAGES): Add `boot.img'.
[qemu] (boot_img_SOURCES, boot_img_ASFLAGS, boot_img_LDFLAGS)
[qemu] (boot_img_FORMAT): New variables.
[qemu] (bin_UTILITIES): Add `grub-mkimage'.
[qemu] (grub_mkimage_SOURCES, grub_mkimage_CFLAGS): New variables.
[qemu] (kernel_img_SOURCES, kernel_img_HEADERS, kernel_img_CFLAGS)
[qemu] (kernel_img_ASFLAGS, kernel_img_LDFLAGS)
[qemu] (kernel_img_FORMAT): New variables.
* configure.ac: Recognise `i386-qemu'.
* util/i386/pc/grub-mkimage.c (compress_kernel): Add dummy variant
(for no compression).
[GRUB_MACHINE_QEMU] (generate_image): Misc adjustments to produce
a valid i386 ROM image. Make `GRUB_KERNEL_MACHINE_COMPRESSED_SIZE',
`GRUB_KERNEL_MACHINE_INSTALL_DOS_PART' and
`GRUB_KERNEL_MACHINE_INSTALL_BSD_PART' optional features (with
ifdefs).
67 lines
1.7 KiB
ArmAsm
67 lines
1.7 KiB
ArmAsm
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 1999,2000,2001,2002,2003,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <grub/symbol.h>
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#include <grub/machine/memory.h>
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#include <grub/machine/boot.h>
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#include <grub/machine/kernel.h>
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.text
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.code16
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.globl _start
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_start:
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/* Disable interrupts. */
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cli
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jmp 1f
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. = _start + GRUB_BOOT_MACHINE_CORE_ENTRY_ADDR
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VARIABLE(grub_core_entry_addr)
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.long 0
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1:
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/* Process VGA rom. */
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call $0xc000, $0x3
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/* Set up %ds, %ss, and %es. */
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xorw %ax, %ax
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movw %ax, %ds
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movw %ax, %ss
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movw %ax, %es
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/* Set up the real mode stack. */
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movl $GRUB_MEMORY_MACHINE_REAL_STACK, %esp
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/* Transition to protected mode. We use pushl to force generation
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of a flat return address. */
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pushl $1f
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DATA32 jmp real_to_prot
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.code32
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1:
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movl grub_core_entry_addr, %edx
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jmp *%edx
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#include "../../../kern/i386/realmode.S"
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/* Intel, in its infinite wisdom, decided to put the i8086 entry point
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*right here* and this is why we need this kludge. */
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. = GRUB_BOOT_MACHINE_SIZE - 16
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jmp _start
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. = GRUB_BOOT_MACHINE_SIZE
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