1 /* @r{multiboot.h - the header for Multiboot} */
2 /* @r{Copyright (C) 1999, 2001 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.} */
20 /* @r{The magic number for the Multiboot header.} */
21 #define MULTIBOOT_HEADER_MAGIC 0x1BADB002
23 /* @r{The flags for the Multiboot header.} */
25 # define MULTIBOOT_HEADER_FLAGS 0x00000003
27 # define MULTIBOOT_HEADER_FLAGS 0x00010003
30 /* @r{The magic number passed by a Multiboot-compliant boot loader.} */
31 #define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
33 /* @r{The size of our stack (16KB).} */
34 #define STACK_SIZE 0x4000
36 /* @r{C symbol format. HAVE_ASM_USCORE is defined by configure.} */
37 #ifdef HAVE_ASM_USCORE
38 # define EXT_C(sym) _ ## sym
40 # define EXT_C(sym) sym
44 /* @r{Do not include here in boot.S.} */
48 /* @r{The Multiboot header.} */
49 typedef struct multiboot_header
53 unsigned long checksum;
54 unsigned long header_addr;
55 unsigned long load_addr;
56 unsigned long load_end_addr;
57 unsigned long bss_end_addr;
58 unsigned long entry_addr;
59 @} multiboot_header_t;
61 /* @r{The symbol table for a.out.} */
62 typedef struct aout_symbol_table
64 unsigned long tabsize;
65 unsigned long strsize;
67 unsigned long reserved;
68 @} aout_symbol_table_t;
70 /* @r{The section header table for ELF.} */
71 typedef struct elf_section_header_table
77 @} elf_section_header_table_t;
79 /* @r{The Multiboot information.} */
80 typedef struct multiboot_info
83 unsigned long mem_lower;
84 unsigned long mem_upper;
85 unsigned long boot_device;
86 unsigned long cmdline;
87 unsigned long mods_count;
88 unsigned long mods_addr;
91 aout_symbol_table_t aout_sym;
92 elf_section_header_table_t elf_sec;
94 unsigned long mmap_length;
95 unsigned long mmap_addr;
98 /* @r{The module structure.} */
101 unsigned long mod_start;
102 unsigned long mod_end;
103 unsigned long string;
104 unsigned long reserved;
107 /* @r{The memory map. Be careful that the offset 0 is base_addr_low
109 typedef struct memory_map
112 unsigned long base_addr_low;
113 unsigned long base_addr_high;
114 unsigned long length_low;
115 unsigned long length_high;
119 #endif /* @r{! ASM} */