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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2004,2007,2008,2009 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/>.
*/
#ifndef GRUB_MULTIBOOT_CPU_HEADER
#define GRUB_MULTIBOOT_CPU_HEADER 1
#define MULTIBOOT2_INITIAL_STATE { .eax = MULTIBOOT2_BOOTLOADER_MAGIC, \
.ecx = 0, \
.edx = 0, \
/* Set esp to some random location in low memory to avoid breaking */ \
/* non-compliant kernels. */ \
.esp = 0x7ff00 \
}
#define MULTIBOOT_INITIAL_STATE { .eax = MULTIBOOT_BOOTLOADER_MAGIC, \
.ecx = 0, \
.edx = 0, \
/* Set esp to some random location in low memory to avoid breaking */ \
/* non-compliant kernels. */ \
.esp = 0x7ff00 \
}
#define MULTIBOOT_ENTRY_REGISTER eip
#define MULTIBOOT_MBI_REGISTER ebx
#define MULTIBOOT2_ARCHITECTURE_CURRENT MULTIBOOT2_ARCHITECTURE_I386
#ifdef GRUB_MACHINE_EFI
#ifdef __x86_64__
#define MULTIBOOT_EFI_INITIAL_STATE { .rax = MULTIBOOT_BOOTLOADER_MAGIC, \
.rcx = 0, \
.rdx = 0, \
}
#define MULTIBOOT2_EFI_INITIAL_STATE { .rax = MULTIBOOT2_BOOTLOADER_MAGIC, \
.rcx = 0, \
.rdx = 0, \
}
#define MULTIBOOT_EFI_ENTRY_REGISTER rip
#define MULTIBOOT_EFI_MBI_REGISTER rbx
#endif
#endif
#define MULTIBOOT_ELF32_MACHINE EM_386
#define MULTIBOOT_ELF64_MACHINE EM_X86_64
#endif /* ! GRUB_MULTIBOOT_CPU_HEADER */
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