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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
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. */
/* The flags for the Multiboot header. */
#ifdef __ELF__
# define MULTIBOOT_HEADER_FLAGS 0x00000003
# define MULTIBOOT_HEADER_FLAGS 0x00010003
/* The magic number passed by a Multiboot-compliant boot loader. */
/* The size of our stack (16KB). */
#define STACK_SIZE 0x4000
/* C symbol format. HAVE_ASM_USCORE is defined by configure. */
# define EXT_C(sym) _ ## sym
# define EXT_C(sym) sym
#ifndef ASM
/* Do not include here in boot.S. */
/* Types. */
/* The Multiboot header. */
typedef struct multiboot_header
unsigned long magic;
unsigned long flags;
unsigned long checksum;
unsigned long header_addr;
unsigned long load_addr;
unsigned long load_end_addr;
unsigned long bss_end_addr;
unsigned long entry_addr;
} multiboot_header_t;
/* The symbol table for a.out. */
typedef struct aout_symbol_table
unsigned long tabsize;
unsigned long strsize;
unsigned long addr;
unsigned long reserved;
} aout_symbol_table_t;
/* The section header table for ELF. */
typedef struct elf_section_header_table
unsigned long num;
unsigned long size;
unsigned long addr;
unsigned long shndx;
} elf_section_header_table_t;
/* The Multiboot information. */
typedef struct multiboot_info
unsigned long flags;
unsigned long mem_lower;
unsigned long mem_upper;
unsigned long boot_device;
unsigned long cmdline;
unsigned long mods_count;
unsigned long mods_addr;
aout_symbol_table_t aout_sym;
elf_section_header_table_t elf_sec;
} u;
unsigned long mmap_length;
unsigned long mmap_addr;
} multiboot_info_t;
/* The module structure. */
typedef struct module
unsigned long mod_start;
unsigned long mod_end;
unsigned long string;
unsigned long reserved;
} module_t;
/* The memory map. Be careful that the offset 0 is base_addr_low
but no size. */
typedef struct memory_map
unsigned long size;
unsigned long base_addr_low;
unsigned long base_addr_high;
unsigned long length_low;
unsigned long length_high;
unsigned long type;
} memory_map_t;
#endif /* ! ASM */