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https://git.proxmox.com/git/grub2
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21e4a6fa03
Previously we had multiboot and multiboot2 declaring the same symbols. This can potentially lead to aliasing and strange behaviours when e.g. module instead of module2 is used with multiboot2. Bug: #51137
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2002,2003,2004,2007,2008,2009 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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#ifndef GRUB_MULTIBOOT_CPU_HEADER
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#define GRUB_MULTIBOOT_CPU_HEADER 1
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#define MULTIBOOT2_INITIAL_STATE { .eax = MULTIBOOT2_BOOTLOADER_MAGIC, \
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.ecx = 0, \
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.edx = 0, \
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/* Set esp to some random location in low memory to avoid breaking */ \
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/* non-compliant kernels. */ \
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.esp = 0x7ff00 \
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}
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#define MULTIBOOT_INITIAL_STATE { .eax = MULTIBOOT_BOOTLOADER_MAGIC, \
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.ecx = 0, \
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.edx = 0, \
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/* Set esp to some random location in low memory to avoid breaking */ \
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/* non-compliant kernels. */ \
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.esp = 0x7ff00 \
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}
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#define MULTIBOOT_ENTRY_REGISTER eip
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#define MULTIBOOT_MBI_REGISTER ebx
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#define MULTIBOOT2_ARCHITECTURE_CURRENT MULTIBOOT2_ARCHITECTURE_I386
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#ifdef GRUB_MACHINE_EFI
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#ifdef __x86_64__
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#define MULTIBOOT_EFI_INITIAL_STATE { .rax = MULTIBOOT_BOOTLOADER_MAGIC, \
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.rcx = 0, \
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.rdx = 0, \
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}
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#define MULTIBOOT_EFI_ENTRY_REGISTER rip
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#define MULTIBOOT_EFI_MBI_REGISTER rbx
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#endif
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#endif
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#define MULTIBOOT_ELF32_MACHINE EM_386
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#define MULTIBOOT_ELF64_MACHINE EM_X86_64
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#endif /* ! GRUB_MULTIBOOT_CPU_HEADER */
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