grub/kern/x86_64/efi/callwrap.S
bean 6e09b8b72e 2009-02-24 Bean <bean123ch@gmail.com>
* 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.
2009-02-24 13:19:46 +00:00

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ArmAsm

/* callwrap.S - wrapper for x86_64 efi calls */
/*
* 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>
/*
* x86_64 uses registry to pass parameters. Unfortunately, gcc and efi use
* different call conversion, so we need to do some conversion.
*
* gcc:
* %rdi, %esi, %rdx, %rcx, %r8, %r9, 8(%rsp), 16(%rsp), ...
*
* efi:
* %rcx, %rdx, %r8, %r9, 32(%rsp), 40(%rsp), 48(%rsp), ...
*
*/
.file "callwrap.S"
.text
FUNCTION(efi_wrap_0)
subq $40, %rsp
call *%rdi
addq $40, %rsp
ret
FUNCTION(efi_wrap_1)
subq $40, %rsp
mov %rsi, %rcx
call *%rdi
addq $40, %rsp
ret
FUNCTION(efi_wrap_2)
subq $40, %rsp
mov %rsi, %rcx
call *%rdi
addq $40, %rsp
ret
FUNCTION(efi_wrap_3)
subq $40, %rsp
mov %rcx, %r8
mov %rsi, %rcx
call *%rdi
addq $40, %rsp
ret
FUNCTION(efi_wrap_4)
subq $40, %rsp
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
call *%rdi
addq $40, %rsp
ret
FUNCTION(efi_wrap_5)
subq $40, %rsp
mov %r9, 32(%rsp)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
call *%rdi
addq $40, %rsp
ret
FUNCTION(efi_wrap_6)
subq $56, %rsp
mov 56+8(%rsp), %rax
mov %rax, 40(%rsp)
mov %r9, 32(%rsp)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
call *%rdi
addq $56, %rsp
ret
FUNCTION(efi_wrap_10)
subq $88, %rsp
mov 88+40(%rsp), %rax
mov %rax, 72(%rsp)
mov 88+32(%rsp), %rax
mov %rax, 64(%rsp)
mov 88+24(%rsp), %rax
mov %rax, 56(%rsp)
mov 88+16(%rsp), %rax
mov %rax, 48(%rsp)
mov 88+8(%rsp), %rax
mov %rax, 40(%rsp)
mov %r9, 32(%rsp)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
call *%rdi
addq $88, %rsp
ret