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.
116 lines
No EOL
2.3 KiB
ArmAsm
116 lines
No EOL
2.3 KiB
ArmAsm
/* callwrap.S - wrapper for x86_64 efi calls */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2006,2007,2009 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/boot.h>
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/*
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* x86_64 uses registry to pass parameters. Unfortunately, gcc and efi use
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* different call conversion, so we need to do some conversion.
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*
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* gcc:
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* %rdi, %esi, %rdx, %rcx, %r8, %r9, 8(%rsp), 16(%rsp), ...
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*
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* efi:
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* %rcx, %rdx, %r8, %r9, 32(%rsp), 40(%rsp), 48(%rsp), ...
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*
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*/
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.file "callwrap.S"
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.text
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FUNCTION(efi_wrap_0)
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subq $40, %rsp
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call *%rdi
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addq $40, %rsp
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ret
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FUNCTION(efi_wrap_1)
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subq $40, %rsp
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mov %rsi, %rcx
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call *%rdi
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addq $40, %rsp
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ret
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FUNCTION(efi_wrap_2)
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subq $40, %rsp
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mov %rsi, %rcx
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call *%rdi
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addq $40, %rsp
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ret
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FUNCTION(efi_wrap_3)
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subq $40, %rsp
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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addq $40, %rsp
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ret
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FUNCTION(efi_wrap_4)
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subq $40, %rsp
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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addq $40, %rsp
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ret
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FUNCTION(efi_wrap_5)
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subq $40, %rsp
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mov %r9, 32(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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addq $40, %rsp
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ret
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FUNCTION(efi_wrap_6)
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subq $56, %rsp
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mov 56+8(%rsp), %rax
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mov %rax, 40(%rsp)
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mov %r9, 32(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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addq $56, %rsp
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ret
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FUNCTION(efi_wrap_10)
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subq $88, %rsp
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mov 88+40(%rsp), %rax
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mov %rax, 72(%rsp)
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mov 88+32(%rsp), %rax
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mov %rax, 64(%rsp)
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mov 88+24(%rsp), %rax
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mov %rax, 56(%rsp)
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mov 88+16(%rsp), %rax
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mov %rax, 48(%rsp)
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mov 88+8(%rsp), %rax
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mov %rax, 40(%rsp)
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mov %r9, 32(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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addq $88, %rsp
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ret |