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/* multiboot.h - the header for Multiboot */
/* Copyright (C) 1999, 2001 Free Software Foundation, Inc.
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Macros. */
/* The magic number for the Multiboot header. */
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
/* The flags for the Multiboot header. */
#ifdef __ELF__
# define MULTIBOOT_HEADER_FLAGS 0x00000003
#else
# define MULTIBOOT_HEADER_FLAGS 0x00010003
#endif
/* The magic number passed by a Multiboot-compliant boot loader. */
#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
#ifndef ASM
/* Do not include here in boot.S. */
/* Types. */
#include <sys/types.h>
/* The Multiboot header. */
typedef struct multiboot_header
{
uint32_t magic;
uint32_t flags;
uint32_t checksum;
uint32_t header_addr;
uint32_t load_addr;
uint32_t load_end_addr;
uint32_t bss_end_addr;
uint32_t entry_addr;
} multiboot_header_t;
/* The symbol table for a.out. */
typedef struct aout_symbol_table
{
uint32_t tabsize;
uint32_t strsize;
uint32_t addr;
uint32_t reserved;
} aout_symbol_table_t;
/* The section header table for ELF. */
typedef struct elf_section_header_table
{
uint32_t num;
uint32_t size;
uint32_t addr;
uint32_t shndx;
} elf_section_header_table_t;
/* The Multiboot information. */
typedef struct multiboot_info
{
uint32_t flags;
uint32_t mem_lower;
uint32_t mem_upper;
uint32_t boot_device;
uint32_t cmdline;
uint32_t mods_count;
uint32_t mods_addr;
union
{
aout_symbol_table_t aout_sym;
elf_section_header_table_t elf_sec;
} u;
uint32_t mmap_length;
uint32_t mmap_addr;
uint32_t drives_length;
uint32_t drives_addr;
uint32_t config_table;
uint32_t boot_loader_name;
uint32_t apm_table;
uint32_t vbe_control_info;
uint32_t vbe_mode_info;
uint32_t vbe_mode;
uint32_t vbe_interface_seg;
uint32_t vbe_interface_off;
uint32_t vbe_interface_len;
} multiboot_info_t;
/* The module structure. */
typedef struct module
{
uint32_t mod_start;
uint32_t mod_end;
uint32_t string;
uint32_t reserved;
} module_t;
/* The memory map. SIZE is the size of the structure except for the
SIZE field itself. */
typedef struct memory_map
{
uint32_t size;
uint64_t base_addr;
uint64_t length;
uint32_t type;
} memory_map_t;
#endif /* ! ASM */
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