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mips multiboot2 support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-04-03 14:14:48 +02:00
parent a60f822cb2
commit 8c46a785e3
7 changed files with 69 additions and 16 deletions
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14
include/grub/i386/multiboot.h
View file

@ -24,4 +24,18 @@ extern char *grub_multiboot_payload_orig;
extern grub_addr_t grub_multiboot_payload_dest;
extern grub_size_t grub_multiboot_payload_size;
#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
#define MULTIBOOT_ELF32_MACHINE EM_386
#define MULTIBOOT_ELF64_MACHINE EM_X86_64
#endif /* ! GRUB_MULTIBOOT_CPU_HEADER */

36
include/grub/mips/multiboot.h Normal file
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@ -0,0 +1,36 @@
/*
* 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
extern grub_uint32_t grub_multiboot_payload_eip;
extern char *grub_multiboot_payload_orig;
extern grub_addr_t grub_multiboot_payload_dest;
extern grub_size_t grub_multiboot_payload_size;
#define MULTIBOOT_INITIAL_STATE { .gpr[4] = MULTIBOOT_BOOTLOADER_MAGIC, \
.jumpreg = 1 }
#define MULTIBOOT_ENTRY_REGISTER gpr[1]
#define MULTIBOOT_MBI_REGISTER gpr[5]
#define MULTIBOOT_ARCHITECTURE_CURRENT MULTIBOOT_ARCHITECTURE_MIPS32
#define MULTIBOOT_ELF32_MACHINE EM_MIPS
#define MULTIBOOT_ELF64_MACHINE EM_MIPS
#endif /* ! GRUB_MULTIBOOT_CPU_HEADER */

3
include/multiboot2.h
View file

@ -61,7 +61,8 @@
#define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5
#define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6
#define GRUB_MULTIBOOT_ARCHITECTURE_I386 0
#define MULTIBOOT_ARCHITECTURE_I386 0
#define MULTIBOOT_ARCHITECTURE_MIPS32 4
#define MULTIBOOT_HEADER_TAG_OPTIONAL 1
#define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1