/* 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/* The size of our stack (16KB).  */#define STACK_SIZE			0x4000/* C symbol format. HAVE_ASM_USCORE is defined by configure.  */#ifdef HAVE_ASM_USCORE# define EXT_C(sym)			_ ## sym#else# define EXT_C(sym)			sym#endif#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;  union  {    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 */