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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