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
63 #define MULTIBOOT_TAG_TYPE_EFI32_IH 19
64 #define MULTIBOOT_TAG_TYPE_EFI64_IH 20
65 #define MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR 21
67 #define MULTIBOOT_HEADER_TAG_END 0
68 #define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1
69 #define MULTIBOOT_HEADER_TAG_ADDRESS 2
70 #define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS 3
71 #define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4
72 #define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5
73 #define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6
74 #define MULTIBOOT_HEADER_TAG_EFI_BS 7
75 #define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64 9
76 #define MULTIBOOT_HEADER_TAG_RELOCATABLE 10
78 #define MULTIBOOT_ARCHITECTURE_I386 0
79 #define MULTIBOOT_ARCHITECTURE_MIPS32 4
80 #define MULTIBOOT_HEADER_TAG_OPTIONAL 1
82 #define MULTIBOOT_LOAD_PREFERENCE_NONE 0
83 #define MULTIBOOT_LOAD_PREFERENCE_LOW 1
84 #define MULTIBOOT_LOAD_PREFERENCE_HIGH 2
86 #define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1
87 #define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2
91 typedef unsigned char multiboot_uint8_t;
92 typedef unsigned short multiboot_uint16_t;
93 typedef unsigned int multiboot_uint32_t;
94 typedef unsigned long long multiboot_uint64_t;
96 struct multiboot_header
98 /* Must be MULTIBOOT_MAGIC - see above. */
99 multiboot_uint32_t magic;
102 multiboot_uint32_t architecture;
104 /* Total header length. */
105 multiboot_uint32_t header_length;
107 /* The above fields plus this one must equal 0 mod 2^32. */
108 multiboot_uint32_t checksum;
111 struct multiboot_header_tag
113 multiboot_uint16_t type;
114 multiboot_uint16_t flags;
115 multiboot_uint32_t size;
118 struct multiboot_header_tag_information_request
120 multiboot_uint16_t type;
121 multiboot_uint16_t flags;
122 multiboot_uint32_t size;
123 multiboot_uint32_t requests[0];
126 struct multiboot_header_tag_address
128 multiboot_uint16_t type;
129 multiboot_uint16_t flags;
130 multiboot_uint32_t size;
131 multiboot_uint32_t header_addr;
132 multiboot_uint32_t load_addr;
133 multiboot_uint32_t load_end_addr;
134 multiboot_uint32_t bss_end_addr;
137 struct multiboot_header_tag_entry_address
139 multiboot_uint16_t type;
140 multiboot_uint16_t flags;
141 multiboot_uint32_t size;
142 multiboot_uint32_t entry_addr;
145 struct multiboot_header_tag_console_flags
147 multiboot_uint16_t type;
148 multiboot_uint16_t flags;
149 multiboot_uint32_t size;
150 multiboot_uint32_t console_flags;
153 struct multiboot_header_tag_framebuffer
155 multiboot_uint16_t type;
156 multiboot_uint16_t flags;
157 multiboot_uint32_t size;
158 multiboot_uint32_t width;
159 multiboot_uint32_t height;
160 multiboot_uint32_t depth;
163 struct multiboot_header_tag_module_align
165 multiboot_uint16_t type;
166 multiboot_uint16_t flags;
167 multiboot_uint32_t size;
170 struct multiboot_header_tag_relocatable
172 multiboot_uint16_t type;
173 multiboot_uint16_t flags;
174 multiboot_uint32_t size;
175 multiboot_uint32_t min_addr;
176 multiboot_uint32_t max_addr;
177 multiboot_uint32_t align;
178 multiboot_uint32_t preference;
181 struct multiboot_color
183 multiboot_uint8_t red;
184 multiboot_uint8_t green;
185 multiboot_uint8_t blue;
188 struct multiboot_mmap_entry
190 multiboot_uint64_t addr;
191 multiboot_uint64_t len;
192 #define MULTIBOOT_MEMORY_AVAILABLE 1
193 #define MULTIBOOT_MEMORY_RESERVED 2
194 #define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
195 #define MULTIBOOT_MEMORY_NVS 4
196 #define MULTIBOOT_MEMORY_BADRAM 5
197 multiboot_uint32_t type;
198 multiboot_uint32_t zero;
200 typedef struct multiboot_mmap_entry multiboot_memory_map_t;
204 multiboot_uint32_t type;
205 multiboot_uint32_t size;
208 struct multiboot_tag_string
210 multiboot_uint32_t type;
211 multiboot_uint32_t size;
215 struct multiboot_tag_module
217 multiboot_uint32_t type;
218 multiboot_uint32_t size;
219 multiboot_uint32_t mod_start;
220 multiboot_uint32_t mod_end;
224 struct multiboot_tag_basic_meminfo
226 multiboot_uint32_t type;
227 multiboot_uint32_t size;
228 multiboot_uint32_t mem_lower;
229 multiboot_uint32_t mem_upper;
232 struct multiboot_tag_bootdev
234 multiboot_uint32_t type;
235 multiboot_uint32_t size;
236 multiboot_uint32_t biosdev;
237 multiboot_uint32_t slice;
238 multiboot_uint32_t part;
241 struct multiboot_tag_mmap
243 multiboot_uint32_t type;
244 multiboot_uint32_t size;
245 multiboot_uint32_t entry_size;
246 multiboot_uint32_t entry_version;
247 struct multiboot_mmap_entry entries[0];
250 struct multiboot_vbe_info_block
252 multiboot_uint8_t external_specification[512];
255 struct multiboot_vbe_mode_info_block
257 multiboot_uint8_t external_specification[256];
260 struct multiboot_tag_vbe
262 multiboot_uint32_t type;
263 multiboot_uint32_t size;
265 multiboot_uint16_t vbe_mode;
266 multiboot_uint16_t vbe_interface_seg;
267 multiboot_uint16_t vbe_interface_off;
268 multiboot_uint16_t vbe_interface_len;
270 struct multiboot_vbe_info_block vbe_control_info;
271 struct multiboot_vbe_mode_info_block vbe_mode_info;
274 struct multiboot_tag_framebuffer_common
276 multiboot_uint32_t type;
277 multiboot_uint32_t size;
279 multiboot_uint64_t framebuffer_addr;
280 multiboot_uint32_t framebuffer_pitch;
281 multiboot_uint32_t framebuffer_width;
282 multiboot_uint32_t framebuffer_height;
283 multiboot_uint8_t framebuffer_bpp;
284 #define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
285 #define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
286 #define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
287 multiboot_uint8_t framebuffer_type;
288 multiboot_uint16_t reserved;
291 struct multiboot_tag_framebuffer
293 struct multiboot_tag_framebuffer_common common;
299 multiboot_uint16_t framebuffer_palette_num_colors;
300 struct multiboot_color framebuffer_palette[0];
304 multiboot_uint8_t framebuffer_red_field_position;
305 multiboot_uint8_t framebuffer_red_mask_size;
306 multiboot_uint8_t framebuffer_green_field_position;
307 multiboot_uint8_t framebuffer_green_mask_size;
308 multiboot_uint8_t framebuffer_blue_field_position;
309 multiboot_uint8_t framebuffer_blue_mask_size;
314 struct multiboot_tag_elf_sections
316 multiboot_uint32_t type;
317 multiboot_uint32_t size;
318 multiboot_uint32_t num;
319 multiboot_uint32_t entsize;
320 multiboot_uint32_t shndx;
324 struct multiboot_tag_apm
326 multiboot_uint32_t type;
327 multiboot_uint32_t size;
328 multiboot_uint16_t version;
329 multiboot_uint16_t cseg;
330 multiboot_uint32_t offset;
331 multiboot_uint16_t cseg_16;
332 multiboot_uint16_t dseg;
333 multiboot_uint16_t flags;
334 multiboot_uint16_t cseg_len;
335 multiboot_uint16_t cseg_16_len;
336 multiboot_uint16_t dseg_len;
339 struct multiboot_tag_efi32
341 multiboot_uint32_t type;
342 multiboot_uint32_t size;
343 multiboot_uint32_t pointer;
346 struct multiboot_tag_efi64
348 multiboot_uint32_t type;
349 multiboot_uint32_t size;
350 multiboot_uint64_t pointer;
353 struct multiboot_tag_smbios
355 multiboot_uint32_t type;
356 multiboot_uint32_t size;
357 multiboot_uint8_t major;
358 multiboot_uint8_t minor;
359 multiboot_uint8_t reserved[6];
360 multiboot_uint8_t tables[0];
363 struct multiboot_tag_old_acpi
365 multiboot_uint32_t type;
366 multiboot_uint32_t size;
367 multiboot_uint8_t rsdp[0];
370 struct multiboot_tag_new_acpi
372 multiboot_uint32_t type;
373 multiboot_uint32_t size;
374 multiboot_uint8_t rsdp[0];
377 struct multiboot_tag_network
379 multiboot_uint32_t type;
380 multiboot_uint32_t size;
381 multiboot_uint8_t dhcpack[0];
384 struct multiboot_tag_efi_mmap
386 multiboot_uint32_t type;
387 multiboot_uint32_t size;
388 multiboot_uint32_t descr_size;
389 multiboot_uint32_t descr_vers;
390 multiboot_uint8_t efi_mmap[0];
393 struct multiboot_tag_efi32_ih
395 multiboot_uint32_t type;
396 multiboot_uint32_t size;
397 multiboot_uint32_t pointer;
400 struct multiboot_tag_efi64_ih
402 multiboot_uint32_t type;
403 multiboot_uint32_t size;
404 multiboot_uint64_t pointer;
407 struct multiboot_tag_load_base_addr
409 multiboot_uint32_t type;
410 multiboot_uint32_t size;
411 multiboot_uint32_t load_base_addr;
414 #endif /* ! ASM_FILE */
416 #endif /* ! MULTIBOOT_HEADER */