source: libcaca/trunk/kernel/multiboot.h @ 4300

Last change on this file since 4300 was 4300, checked in by sam, 5 years ago

Fix the source code to reduce testsuite errors.

  • Property svn:keywords set to Id
File size: 2.9 KB
Line 
1/* multiboot.h - the header for Multiboot */
2/* Copyright (C) 1999  Free Software Foundation, Inc.
3
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.
8
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.
13
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.  */
17
18/* Macros.  */
19
20/* The magic number for the Multiboot header.  */
21#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
22
23/* The flags for the Multiboot header.  */
24#define MULTIBOOT_HEADER_FLAGS 0x00010003
25
26/* The magic number passed by a Multiboot-compliant boot loader.  */
27#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
28
29/* The size of our stack (16KB).  */
30#define STACK_SIZE 0x4000
31
32/* C symbol format. HAVE_ASM_USCORE is defined by configure.  */
33#ifdef HAVE_ASM_USCORE
34# define EXT_C(sym) _ ## sym
35#else
36# define EXT_C(sym) sym
37#endif
38
39#ifndef ASM
40/* Do not include here in boot.S.  */
41
42/* Types.  */
43
44/* The Multiboot header.  */
45typedef struct multiboot_header
46{
47  unsigned long magic;
48  unsigned long flags;
49  unsigned long checksum;
50  unsigned long header_addr;
51  unsigned long load_addr;
52  unsigned long load_end_addr;
53  unsigned long bss_end_addr;
54  unsigned long entry_addr;
55} multiboot_header_t;
56
57/* The symbol table for a.out.  */
58typedef struct aout_symbol_table
59{
60  unsigned long tabsize;
61  unsigned long strsize;
62  unsigned long addr;
63  unsigned long reserved;
64} aout_symbol_table_t;
65
66/* The section header table for ELF.  */
67typedef struct elf_section_header_table
68{
69  unsigned long num;
70  unsigned long size;
71  unsigned long addr;
72  unsigned long shndx;
73} elf_section_header_table_t;
74
75/* The Multiboot information.  */
76typedef struct multiboot_info
77{
78  unsigned long flags;
79  unsigned long mem_lower;
80  unsigned long mem_upper;
81  unsigned long boot_device;
82  unsigned long cmdline;
83  unsigned long mods_count;
84  unsigned long mods_addr;
85  union
86  {
87    aout_symbol_table_t aout_sym;
88    elf_section_header_table_t elf_sec;
89  } u;
90  unsigned long mmap_length;
91  unsigned long mmap_addr;
92} multiboot_info_t;
93
94/* The module structure.  */
95typedef struct module
96{
97  unsigned long mod_start;
98  unsigned long mod_end;
99  unsigned long string;
100  unsigned long reserved;
101} module_t;
102
103/* The memory map. Be careful that the offset 0 is base_addr_low
104   but no size.  */
105typedef struct memory_map
106{
107  unsigned long size;
108  unsigned long base_addr_low;
109  unsigned long base_addr_high;
110  unsigned long length_low;
111  unsigned long length_high;
112  unsigned long type;
113} memory_map_t;
114
115#endif /* ! ASM */
Note: See TracBrowser for help on using the repository browser.