| /* |
| * 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 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 MULTIBOOT_ARCHITECTURE_CURRENT MULTIBOOT_ARCHITECTURE_I386 |
| |
| #ifdef GRUB_MACHINE_EFI |
| #ifdef __x86_64__ |
| #define MULTIBOOT_EFI_INITIAL_STATE { .rax = MULTIBOOT_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 */ |
