6e09b8b72e
* configure.ac: Check for -mcmodel=large in x86_64 target. * include/grub/efi/api.h (efi_call_10): New macro. (efi_wrap_10): New function. * include/grub/efi/pe32.h (GRUB_PE32_REL_BASE_HIGH): New macro. (GRUB_PE32_REL_BASED_HIGH): Likewise. (GRUB_PE32_REL_BASED_LOW): Likewise. (GRUB_PE32_REL_BASED_HIGHLOW): Likewise. (GRUB_PE32_REL_BASED_HIGHADJ): Likewise. (GRUB_PE32_REL_BASED_MIPS_JMPADDR): Likewise. (GRUB_PE32_REL_BASED_SECTION): Likewise. (GRUB_PE32_REL_BASED_REL): Likewise. (GRUB_PE32_REL_BASED_IA64_IMM64): Likewise. (GRUB_PE32_REL_BASED_DIR64): Likewise. (GRUB_PE32_REL_BASED_HIGH3ADJ): Likewise. * kern/x86_64/dl.c (grub_arch_dl_relocate_symbols): Fixed relocation issue. * kern/x86_64/efi/callwrap.S (efi_wrap_6): Bug fix. (efi_wrap_10): New function. * kern/x86_64/efi/startup.S (codestart): Use relative addressing. * loader/efi/appleloader.c (devpath_5): Add support for late 2008 MB/MBP model (NV chipset). (devdata_devs): Add devpath_5 to the list. * load/i386/efi/linux.c (video_base): Remove variable. (RGB_MASK): New macro. (RGB_MAGIC): Likewise. (LINE_MIN): Likewise. (LINE_MAX): Likewise. (FBTEST_STEP): Likewise. (FBTEST_COUNT): Likewise. (fb_list): New variable. (grub_find_video_card): Remove function. (find_framebuf): New function. (grub_linux_setup_video): Use find_framebuf to get frame buffer and line length. * util/i386/efi/grub-mkimage.c (grub_reloc_section): Fix relocation problem for x86_64.
86 lines
2.1 KiB
ArmAsm
86 lines
2.1 KiB
ArmAsm
/* startup.S - bootstrap GRUB itself */
|
|
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <grub/symbol.h>
|
|
#include <grub/boot.h>
|
|
|
|
.file "startup.S"
|
|
.text
|
|
.globl start, _start
|
|
.code64
|
|
|
|
start:
|
|
_start:
|
|
jmp codestart
|
|
|
|
/*
|
|
* Compatibility version number
|
|
*
|
|
* These MUST be at byte offset 6 and 7 of the executable
|
|
* DO NOT MOVE !!!
|
|
*/
|
|
. = EXT_C(start) + 0x6
|
|
.byte GRUB_BOOT_VERSION_MAJOR, GRUB_BOOT_VERSION_MINOR
|
|
|
|
/*
|
|
* This is a special data area 8 bytes from the beginning.
|
|
*/
|
|
|
|
. = EXT_C(start) + 0x8
|
|
|
|
VARIABLE(grub_prefix)
|
|
/* to be filled by grub-mkimage */
|
|
|
|
/*
|
|
* Leave some breathing room for the prefix.
|
|
*/
|
|
|
|
. = EXT_C(start) + 0x50
|
|
|
|
codestart:
|
|
movq %rcx, EXT_C(grub_efi_image_handle)(%rip)
|
|
movq %rdx, EXT_C(grub_efi_system_table)(%rip)
|
|
|
|
call EXT_C(grub_main)
|
|
ret
|
|
|
|
.code32
|
|
|
|
FUNCTION(grub_linux_real_boot)
|
|
/* Turn off PG bit in CR0 and set CR3 to zero. */
|
|
movl %cr0, %eax
|
|
andl $0x7FFFFFFF, %eax
|
|
movl %eax, %cr0
|
|
|
|
/* Setup EFER (Extended Feature Enable Register). */
|
|
movl $0xc0000080, %ecx
|
|
rdmsr
|
|
|
|
/* Disable Long Mode. */
|
|
andl $0xFFFFFEFF, %eax
|
|
|
|
/* Make changes effective. */
|
|
wrmsr
|
|
|
|
/* Disable PAE. */
|
|
xorl %eax, %eax
|
|
movl %eax, %cr4
|
|
|
|
jmp *%ebx
|