![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to multiboot.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Qemu by Fabrice Bellard] / qemu / roms / ipxe / src / arch / i386 / include|
Return to multiboot.h CVS log | Up to [Qemu by Fabrice Bellard] / qemu / roms / ipxe / src / arch / i386 / include |
1.1 root 1: #ifndef _MULTIBOOT_H
2: #define _MULTIBOOT_H
3:
4: /**
5: * @file
6: *
7: * Multiboot operating systems
8: *
9: */
10:
11: FILE_LICENCE ( GPL2_OR_LATER );
12:
13: #include <stdint.h>
14:
15: /** The magic number for the Multiboot header */
16: #define MULTIBOOT_HEADER_MAGIC 0x1BADB002
17:
18: /** Boot modules must be page aligned */
19: #define MB_FLAG_PGALIGN 0x00000001
20:
21: /** Memory map must be provided */
22: #define MB_FLAG_MEMMAP 0x00000002
23:
24: /** Video mode information must be provided */
25: #define MB_FLAG_VIDMODE 0x00000004
26:
27: /** Image is a raw multiboot image (not ELF) */
28: #define MB_FLAG_RAW 0x00010000
29:
30: /**
31: * The magic number passed by a Multiboot-compliant boot loader
32: *
33: * Must be passed in register %eax when jumping to the Multiboot OS
34: * image.
35: */
36: #define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
37:
38: /** Multiboot information structure mem_* fields are valid */
39: #define MBI_FLAG_MEM 0x00000001
40:
41: /** Multiboot information structure boot_device field is valid */
42: #define MBI_FLAG_BOOTDEV 0x00000002
43:
44: /** Multiboot information structure cmdline field is valid */
45: #define MBI_FLAG_CMDLINE 0x00000004
46:
47: /** Multiboot information structure module fields are valid */
48: #define MBI_FLAG_MODS 0x00000008
49:
50: /** Multiboot information structure a.out symbol table is valid */
51: #define MBI_FLAG_AOUT 0x00000010
52:
53: /** Multiboot information struture ELF section header table is valid */
54: #define MBI_FLAG_ELF 0x00000020
55:
56: /** Multiboot information structure memory map is valid */
57: #define MBI_FLAG_MMAP 0x00000040
58:
59: /** Multiboot information structure drive list is valid */
60: #define MBI_FLAG_DRIVES 0x00000080
61:
62: /** Multiboot information structure ROM configuration field is valid */
63: #define MBI_FLAG_CFGTBL 0x00000100
64:
65: /** Multiboot information structure boot loader name field is valid */
66: #define MBI_FLAG_LOADER 0x00000200
67:
68: /** Multiboot information structure APM table is valid */
69: #define MBI_FLAG_APM 0x00000400
70:
71: /** Multiboot information structure video information is valid */
72: #define MBI_FLAG_VBE 0x00000800
73:
74: /** A multiboot header */
75: struct multiboot_header {
76: uint32_t magic;
77: uint32_t flags;
78: uint32_t checksum;
79: uint32_t header_addr;
80: uint32_t load_addr;
81: uint32_t load_end_addr;
82: uint32_t bss_end_addr;
83: uint32_t entry_addr;
84: } __attribute__ (( packed, may_alias ));
85:
86: /** A multiboot a.out symbol table */
87: struct multiboot_aout_symbol_table {
88: uint32_t tabsize;
89: uint32_t strsize;
90: uint32_t addr;
91: uint32_t reserved;
92: } __attribute__ (( packed, may_alias ));
93:
94: /** A multiboot ELF section header table */
95: struct multiboot_elf_section_header_table {
96: uint32_t num;
97: uint32_t size;
98: uint32_t addr;
99: uint32_t shndx;
100: } __attribute__ (( packed, may_alias ));
101:
102: /** A multiboot information structure */
103: struct multiboot_info {
104: uint32_t flags;
105: uint32_t mem_lower;
106: uint32_t mem_upper;
107: uint32_t boot_device;
108: uint32_t cmdline;
109: uint32_t mods_count;
110: uint32_t mods_addr;
111: union {
112: struct multiboot_aout_symbol_table aout_syms;
113: struct multiboot_elf_section_header_table elf_sections;
114: } syms;
115: uint32_t mmap_length;
116: uint32_t mmap_addr;
117: uint32_t drives_length;
118: uint32_t drives_addr;
119: uint32_t config_table;
120: uint32_t boot_loader_name;
121: uint32_t apm_table;
122: uint32_t vbe_control_info;
123: uint32_t vbe_mode_info;
124: uint16_t vbe_mode;
125: uint16_t vbe_interface_seg;
126: uint16_t vbe_interface_off;
127: uint16_t vbe_interface_len;
128: } __attribute__ (( packed, may_alias ));
129:
130: /** A multiboot module structure */
131: struct multiboot_module {
132: uint32_t mod_start;
133: uint32_t mod_end;
134: uint32_t string;
135: uint32_t reserved;
136: } __attribute__ (( packed, may_alias ));
137:
138: /** A multiboot memory map entry */
139: struct multiboot_memory_map {
140: uint32_t size;
141: uint64_t base_addr;
142: uint64_t length;
143: uint32_t type;
144: } __attribute__ (( packed, may_alias ));
145:
146: /** Usable RAM */
147: #define MBMEM_RAM 1
148:
149: #endif /* _MULTIBOOT_H */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.