de9c615e5c
done with a dedicated section. * grub-core/boot/sparc64/ieee1275/boot.S: Remove GRUB_BOOT_VERSION. Ensure the correct position of boot_path. * grub-core/kern/i386/efi/startup.S: Remove GRUB_BOOT_VERSION. * grub-core/kern/i386/pc/startup.S: Likewise. Ensure correct position of other fields. * grub-core/kern/x86_64/efi/startup.S: Remove GRUB_BOOT_VERSION. * include/grub/boot.h: Removed. All references removed. * include/grub/sparc64/ieee1275/boot.h (GRUB_BOOT_MACHINE_VER_MAJ): Removed. (GRUB_BOOT_MACHINE_BOOT_DEVPATH): Make it lower.
129 lines
2.5 KiB
ArmAsm
129 lines
2.5 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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/*
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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 $48, %rsp
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call *%rdi
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addq $48, %rsp
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ret
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FUNCTION(efi_wrap_1)
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subq $48, %rsp
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mov %rsi, %rcx
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call *%rdi
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addq $48, %rsp
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ret
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FUNCTION(efi_wrap_2)
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subq $48, %rsp
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mov %rsi, %rcx
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call *%rdi
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addq $48, %rsp
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ret
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FUNCTION(efi_wrap_3)
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subq $48, %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 $48, %rsp
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ret
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FUNCTION(efi_wrap_4)
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subq $48, %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 $48, %rsp
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ret
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FUNCTION(efi_wrap_5)
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subq $48, %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 $48, %rsp
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ret
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FUNCTION(efi_wrap_6)
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subq $64, %rsp
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mov 64+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 $64, %rsp
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ret
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FUNCTION(efi_wrap_7)
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subq $96, %rsp
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mov 96+16(%rsp), %rax
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mov %rax, 48(%rsp)
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mov 96+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 $96, %rsp
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ret
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FUNCTION(efi_wrap_10)
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subq $96, %rsp
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mov 96+40(%rsp), %rax
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mov %rax, 72(%rsp)
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mov 96+32(%rsp), %rax
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mov %rax, 64(%rsp)
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mov 96+24(%rsp), %rax
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mov %rax, 56(%rsp)
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mov 96+16(%rsp), %rax
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mov %rax, 48(%rsp)
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mov 96+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 $96, %rsp
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ret
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