1 /* multiboot2.h - Multiboot 2 header file. */
2 /* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to
6 * deal in the Software without restriction, including without limitation the
7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
8 * sell copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY
17 * DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
19 * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 #ifndef MULTIBOOT_HEADER
23 #define MULTIBOOT_HEADER 1
25 /* How many bytes from the start of the file we search for the header. */
26 #define MULTIBOOT_SEARCH 32768
27 #define MULTIBOOT_HEADER_ALIGN 8
29 /* The magic field should contain this. */
30 #define MULTIBOOT2_HEADER_MAGIC 0xe85250d6
32 /* This should be in %eax. */
33 #define MULTIBOOT2_BOOTLOADER_MAGIC 0x36d76289
35 /* Alignment of multiboot modules. */
36 #define MULTIBOOT_MOD_ALIGN 0x00001000
38 /* Alignment of the multiboot info structure. */
39 #define MULTIBOOT_INFO_ALIGN 0x00000008
41 /* Flags set in the 'flags' member of the multiboot header. */
43 #define MULTIBOOT_TAG_ALIGN 8
44 #define MULTIBOOT_TAG_TYPE_END 0
45 #define MULTIBOOT_TAG_TYPE_CMDLINE 1
46 #define MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME 2
47 #define MULTIBOOT_TAG_TYPE_MODULE 3
48 #define MULTIBOOT_TAG_TYPE_BASIC_MEMINFO 4
49 #define MULTIBOOT_TAG_TYPE_BOOTDEV 5
50 #define MULTIBOOT_TAG_TYPE_MMAP 6
51 #define MULTIBOOT_TAG_TYPE_VBE 7
52 #define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8
53 #define MULTIBOOT_TAG_TYPE_ELF_SECTIONS 9
54 #define MULTIBOOT_TAG_TYPE_APM 10
55 #define MULTIBOOT_TAG_TYPE_EFI32 11
56 #define MULTIBOOT_TAG_TYPE_EFI64 12
57 #define MULTIBOOT_TAG_TYPE_SMBIOS 13
58 #define MULTIBOOT_TAG_TYPE_ACPI_OLD 14
59 #define MULTIBOOT_TAG_TYPE_ACPI_NEW 15
60 #define MULTIBOOT_TAG_TYPE_NETWORK 16
61 #define MULTIBOOT_TAG_TYPE_EFI_MMAP 17
62 #define MULTIBOOT_TAG_TYPE_EFI_BS 18
64 #define MULTIBOOT_HEADER_TAG_END 0
65 #define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1
66 #define MULTIBOOT_HEADER_TAG_ADDRESS 2
67 #define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS 3
68 #define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4
69 #define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5
70 #define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6
71 #define MULTIBOOT_HEADER_TAG_EFI_BS 7
73 #define MULTIBOOT_ARCHITECTURE_I386 0
74 #define MULTIBOOT_ARCHITECTURE_MIPS32 4
75 #define MULTIBOOT_HEADER_TAG_OPTIONAL 1
77 #define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1
78 #define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2
82 typedef unsigned char multiboot_uint8_t
;
83 typedef unsigned short multiboot_uint16_t
;
84 typedef unsigned int multiboot_uint32_t
;
85 typedef unsigned long long multiboot_uint64_t
;
87 struct multiboot_header
89 /* Must be MULTIBOOT_MAGIC - see above. */
90 multiboot_uint32_t magic
;
93 multiboot_uint32_t architecture
;
95 /* Total header length. */
96 multiboot_uint32_t header_length
;
98 /* The above fields plus this one must equal 0 mod 2^32. */
99 multiboot_uint32_t checksum
;
102 struct multiboot_header_tag
104 multiboot_uint16_t type
;
105 multiboot_uint16_t flags
;
106 multiboot_uint32_t size
;
109 struct multiboot_header_tag_information_request
111 multiboot_uint16_t type
;
112 multiboot_uint16_t flags
;
113 multiboot_uint32_t size
;
114 multiboot_uint32_t requests
[0];
117 struct multiboot_header_tag_address
119 multiboot_uint16_t type
;
120 multiboot_uint16_t flags
;
121 multiboot_uint32_t size
;
122 multiboot_uint32_t header_addr
;
123 multiboot_uint32_t load_addr
;
124 multiboot_uint32_t load_end_addr
;
125 multiboot_uint32_t bss_end_addr
;
128 struct multiboot_header_tag_entry_address
130 multiboot_uint16_t type
;
131 multiboot_uint16_t flags
;
132 multiboot_uint32_t size
;
133 multiboot_uint32_t entry_addr
;
136 struct multiboot_header_tag_console_flags
138 multiboot_uint16_t type
;
139 multiboot_uint16_t flags
;
140 multiboot_uint32_t size
;
141 multiboot_uint32_t console_flags
;
144 struct multiboot_header_tag_framebuffer
146 multiboot_uint16_t type
;
147 multiboot_uint16_t flags
;
148 multiboot_uint32_t size
;
149 multiboot_uint32_t width
;
150 multiboot_uint32_t height
;
151 multiboot_uint32_t depth
;
154 struct multiboot_header_tag_module_align
156 multiboot_uint16_t type
;
157 multiboot_uint16_t flags
;
158 multiboot_uint32_t size
;
159 multiboot_uint32_t width
;
160 multiboot_uint32_t height
;
161 multiboot_uint32_t depth
;
164 struct multiboot_color
166 multiboot_uint8_t red
;
167 multiboot_uint8_t green
;
168 multiboot_uint8_t blue
;
171 struct multiboot_mmap_entry
173 multiboot_uint64_t addr
;
174 multiboot_uint64_t len
;
175 #define MULTIBOOT_MEMORY_AVAILABLE 1
176 #define MULTIBOOT_MEMORY_RESERVED 2
177 #define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
178 #define MULTIBOOT_MEMORY_NVS 4
179 #define MULTIBOOT_MEMORY_BADRAM 5
180 multiboot_uint32_t type
;
181 multiboot_uint32_t zero
;
183 typedef struct multiboot_mmap_entry multiboot_memory_map_t
;
187 multiboot_uint32_t type
;
188 multiboot_uint32_t size
;
191 struct multiboot_tag_string
193 multiboot_uint32_t type
;
194 multiboot_uint32_t size
;
198 struct multiboot_tag_module
200 multiboot_uint32_t type
;
201 multiboot_uint32_t size
;
202 multiboot_uint32_t mod_start
;
203 multiboot_uint32_t mod_end
;
207 struct multiboot_tag_basic_meminfo
209 multiboot_uint32_t type
;
210 multiboot_uint32_t size
;
211 multiboot_uint32_t mem_lower
;
212 multiboot_uint32_t mem_upper
;
215 struct multiboot_tag_bootdev
217 multiboot_uint32_t type
;
218 multiboot_uint32_t size
;
219 multiboot_uint32_t biosdev
;
220 multiboot_uint32_t slice
;
221 multiboot_uint32_t part
;
224 struct multiboot_tag_mmap
226 multiboot_uint32_t type
;
227 multiboot_uint32_t size
;
228 multiboot_uint32_t entry_size
;
229 multiboot_uint32_t entry_version
;
230 struct multiboot_mmap_entry entries
[0];
233 struct multiboot_vbe_info_block
235 multiboot_uint8_t external_specification
[512];
238 struct multiboot_vbe_mode_info_block
240 multiboot_uint8_t external_specification
[256];
243 struct multiboot_tag_vbe
245 multiboot_uint32_t type
;
246 multiboot_uint32_t size
;
248 multiboot_uint16_t vbe_mode
;
249 multiboot_uint16_t vbe_interface_seg
;
250 multiboot_uint16_t vbe_interface_off
;
251 multiboot_uint16_t vbe_interface_len
;
253 struct multiboot_vbe_info_block vbe_control_info
;
254 struct multiboot_vbe_mode_info_block vbe_mode_info
;
257 struct multiboot_tag_framebuffer_common
259 multiboot_uint32_t type
;
260 multiboot_uint32_t size
;
262 multiboot_uint64_t framebuffer_addr
;
263 multiboot_uint32_t framebuffer_pitch
;
264 multiboot_uint32_t framebuffer_width
;
265 multiboot_uint32_t framebuffer_height
;
266 multiboot_uint8_t framebuffer_bpp
;
267 #define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
268 #define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
269 #define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
270 multiboot_uint8_t framebuffer_type
;
271 multiboot_uint16_t reserved
;
274 struct multiboot_tag_framebuffer
276 struct multiboot_tag_framebuffer_common common
;
282 multiboot_uint16_t framebuffer_palette_num_colors
;
283 struct multiboot_color framebuffer_palette
[0];
287 multiboot_uint8_t framebuffer_red_field_position
;
288 multiboot_uint8_t framebuffer_red_mask_size
;
289 multiboot_uint8_t framebuffer_green_field_position
;
290 multiboot_uint8_t framebuffer_green_mask_size
;
291 multiboot_uint8_t framebuffer_blue_field_position
;
292 multiboot_uint8_t framebuffer_blue_mask_size
;
297 struct multiboot_tag_elf_sections
299 multiboot_uint32_t type
;
300 multiboot_uint32_t size
;
301 multiboot_uint32_t num
;
302 multiboot_uint32_t entsize
;
303 multiboot_uint32_t shndx
;
307 struct multiboot_tag_apm
309 multiboot_uint32_t type
;
310 multiboot_uint32_t size
;
311 multiboot_uint16_t version
;
312 multiboot_uint16_t cseg
;
313 multiboot_uint32_t offset
;
314 multiboot_uint16_t cseg_16
;
315 multiboot_uint16_t dseg
;
316 multiboot_uint16_t flags
;
317 multiboot_uint16_t cseg_len
;
318 multiboot_uint16_t cseg_16_len
;
319 multiboot_uint16_t dseg_len
;
322 struct multiboot_tag_efi32
324 multiboot_uint32_t type
;
325 multiboot_uint32_t size
;
326 multiboot_uint32_t pointer
;
329 struct multiboot_tag_efi64
331 multiboot_uint32_t type
;
332 multiboot_uint32_t size
;
333 multiboot_uint64_t pointer
;
336 struct multiboot_tag_smbios
338 multiboot_uint32_t type
;
339 multiboot_uint32_t size
;
340 multiboot_uint8_t major
;
341 multiboot_uint8_t minor
;
342 multiboot_uint8_t reserved
[6];
343 multiboot_uint8_t tables
[0];
346 struct multiboot_tag_old_acpi
348 multiboot_uint32_t type
;
349 multiboot_uint32_t size
;
350 multiboot_uint8_t rsdp
[0];
353 struct multiboot_tag_new_acpi
355 multiboot_uint32_t type
;
356 multiboot_uint32_t size
;
357 multiboot_uint8_t rsdp
[0];
360 struct multiboot_tag_network
362 multiboot_uint32_t type
;
363 multiboot_uint32_t size
;
364 multiboot_uint8_t dhcpack
[0];
367 struct multiboot_tag_efi_mmap
369 multiboot_uint32_t type
;
370 multiboot_uint32_t size
;
371 multiboot_uint32_t descr_size
;
372 multiboot_uint32_t descr_vers
;
373 multiboot_uint8_t efi_mmap
[0];
376 #endif /* ! ASM_FILE */
378 #endif /* ! MULTIBOOT_HEADER */