124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 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_MACHO_H
|
|
#define GRUB_MACHO_H 1
|
|
#include <grub/types.h>
|
|
|
|
/* Multi-architecture header. Always in big-endian. */
|
|
struct grub_macho_fat_header
|
|
{
|
|
grub_uint32_t magic;
|
|
grub_uint32_t nfat_arch;
|
|
} __attribute__ ((packed));
|
|
#define GRUB_MACHO_FAT_MAGIC 0xcafebabe
|
|
|
|
typedef grub_uint32_t grub_macho_cpu_type_t;
|
|
typedef grub_uint32_t grub_macho_cpu_subtype_t;
|
|
|
|
/* Architecture descriptor. Always in big-endian. */
|
|
struct grub_macho_fat_arch
|
|
{
|
|
grub_macho_cpu_type_t cputype;
|
|
grub_macho_cpu_subtype_t cpusubtype;
|
|
grub_uint32_t offset;
|
|
grub_uint32_t size;
|
|
grub_uint32_t align;
|
|
} __attribute__ ((packed));
|
|
|
|
/* File header for 32-bit. Always in native-endian. */
|
|
struct grub_macho_header32
|
|
{
|
|
#define GRUB_MACHO_MAGIC32 0xfeedface
|
|
grub_uint32_t magic;
|
|
grub_macho_cpu_type_t cputype;
|
|
grub_macho_cpu_subtype_t cpusubtype;
|
|
grub_uint32_t filetype;
|
|
grub_uint32_t ncmds;
|
|
grub_uint32_t sizeofcmds;
|
|
grub_uint32_t flags;
|
|
} __attribute__ ((packed));
|
|
|
|
/* File header for 64-bit. Always in native-endian. */
|
|
struct grub_macho_header64
|
|
{
|
|
#define GRUB_MACHO_MAGIC64 0xfeedfacf
|
|
grub_uint32_t magic;
|
|
grub_macho_cpu_type_t cputype;
|
|
grub_macho_cpu_subtype_t cpusubtype;
|
|
grub_uint32_t filetype;
|
|
grub_uint32_t ncmds;
|
|
grub_uint32_t sizeofcmds;
|
|
grub_uint32_t flags;
|
|
grub_uint32_t reserved;
|
|
} __attribute__ ((packed));
|
|
|
|
/* Convenience union. What do we need to load to identify the file type. */
|
|
union grub_macho_filestart
|
|
{
|
|
struct grub_macho_fat_header fat;
|
|
struct grub_macho_header32 thin32;
|
|
struct grub_macho_header64 thin64;
|
|
} __attribute__ ((packed));
|
|
|
|
/* Common header of Mach-O commands. */
|
|
struct grub_macho_cmd
|
|
{
|
|
grub_uint32_t cmd;
|
|
grub_uint32_t cmdsize;
|
|
} __attribute__ ((packed));
|
|
|
|
typedef grub_uint32_t grub_macho_vmprot_t;
|
|
|
|
/* 32-bit segment command. */
|
|
struct grub_macho_segment32
|
|
{
|
|
#define GRUB_MACHO_CMD_SEGMENT32 1
|
|
grub_uint32_t cmd;
|
|
grub_uint32_t cmdsize;
|
|
grub_uint8_t segname[16];
|
|
grub_uint32_t vmaddr;
|
|
grub_uint32_t vmsize;
|
|
grub_uint32_t fileoff;
|
|
grub_uint32_t filesize;
|
|
grub_macho_vmprot_t maxprot;
|
|
grub_macho_vmprot_t initprot;
|
|
grub_uint32_t nsects;
|
|
grub_uint32_t flags;
|
|
} __attribute__ ((packed));
|
|
|
|
/* 64-bit segment command. */
|
|
struct grub_macho_segment64
|
|
{
|
|
#define GRUB_MACHO_CMD_SEGMENT64 0x19
|
|
grub_uint32_t cmd;
|
|
grub_uint32_t cmdsize;
|
|
grub_uint8_t segname[16];
|
|
grub_uint64_t vmaddr;
|
|
grub_uint64_t vmsize;
|
|
grub_uint64_t fileoff;
|
|
grub_uint64_t filesize;
|
|
grub_macho_vmprot_t maxprot;
|
|
grub_macho_vmprot_t initprot;
|
|
grub_uint32_t nsects;
|
|
grub_uint32_t flags;
|
|
} __attribute__ ((packed));
|
|
|
|
#define GRUB_MACHO_CMD_THREAD 5
|
|
|
|
#endif
|