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1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Jiri Svoboda |
2 | * Copyright (c) 2009 Jiri Svoboda |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup genarch |
29 | /** @addtogroup genarch |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_MULTIBOOT_H_ |
35 | #ifndef KERN_MULTIBOOT_H_ |
36 | #define KERN_MULTIBOOT_H_ |
36 | #define KERN_MULTIBOOT_H_ |
37 | 37 | ||
38 | #include <arch/types.h> |
38 | #include <arch/types.h> |
39 | #include <arch/boot/memmap.h> |
39 | #include <arch/boot/memmap.h> |
40 | 40 | ||
41 | /** Multiboot 32-bit address. */ |
41 | /** Multiboot 32-bit address. */ |
42 | typedef uint32_t mbaddr_t; |
42 | typedef uint32_t mbaddr_t; |
43 | 43 | ||
44 | /** Multiboot mod structure */ |
44 | /** Multiboot mod structure */ |
45 | typedef struct { |
45 | typedef struct { |
46 | mbaddr_t start; |
46 | mbaddr_t start; |
47 | mbaddr_t end; |
47 | mbaddr_t end; |
48 | mbaddr_t string; |
48 | mbaddr_t string; |
49 | uint32_t reserved; |
49 | uint32_t reserved; |
50 | } __attribute__ ((packed)) multiboot_mod_t; |
50 | } __attribute__ ((packed)) multiboot_mod_t; |
51 | 51 | ||
52 | /** Multiboot mmap structure */ |
52 | /** Multiboot mmap structure */ |
53 | typedef struct { |
53 | typedef struct { |
54 | uint32_t size; |
54 | uint32_t size; |
55 | e820memmap_t mm_info; |
55 | e820memmap_t mm_info; |
56 | } __attribute__ ((packed)) multiboot_mmap_t; |
56 | } __attribute__ ((packed)) multiboot_mmap_t; |
57 | 57 | ||
58 | /** Multiboot information structure */ |
58 | /** Multiboot information structure */ |
59 | typedef struct { |
59 | typedef struct { |
60 | uint32_t flags; |
60 | uint32_t flags; |
61 | uint32_t mem_lower; |
61 | uint32_t mem_lower; |
62 | uint32_t mem_upper; |
62 | uint32_t mem_upper; |
63 | 63 | ||
64 | uint32_t boot_device; |
64 | uint32_t boot_device; |
65 | uint32_t cmdline; |
65 | uint32_t cmdline; |
66 | 66 | ||
67 | uint32_t mods_count; |
67 | uint32_t mods_count; |
68 | mbaddr_t mods_addr; |
68 | mbaddr_t mods_addr; |
69 | 69 | ||
70 | uint32_t syms[4]; |
70 | uint32_t syms[4]; |
71 | 71 | ||
72 | uint32_t mmap_length; |
72 | uint32_t mmap_length; |
73 | mbaddr_t mmap_addr; |
73 | mbaddr_t mmap_addr; |
74 | 74 | ||
75 | /* ... */ |
75 | /* ... */ |
76 | } __attribute__ ((packed)) multiboot_info_t; |
76 | } __attribute__ ((packed)) multiboot_info_t; |
77 | 77 | ||
78 | enum multiboot_info_flags { |
78 | enum multiboot_info_flags { |
79 | MBINFO_FLAGS_MEM = 0x01, |
79 | MBINFO_FLAGS_MEM = 0x01, |
80 | MBINFO_FLAGS_BOOT = 0x02, |
80 | MBINFO_FLAGS_BOOT = 0x02, |
81 | MBINFO_FLAGS_CMDLINE = 0x04, |
81 | MBINFO_FLAGS_CMDLINE = 0x04, |
82 | MBINFO_FLAGS_MODS = 0x08, |
82 | MBINFO_FLAGS_MODS = 0x08, |
83 | MBINFO_FLAGS_SYMS1 = 0x10, |
83 | MBINFO_FLAGS_SYMS1 = 0x10, |
84 | MBINFO_FLAGS_SYMS2 = 0x20, |
84 | MBINFO_FLAGS_SYMS2 = 0x20, |
85 | MBINFO_FLAGS_MMAP = 0x40 |
85 | MBINFO_FLAGS_MMAP = 0x40 |
86 | 86 | ||
87 | /* ... */ |
87 | /* ... */ |
88 | }; |
88 | }; |
89 | 89 | ||
90 | #define MULTIBOOT_LOADER_MAGIC 0x2BADB002 |
90 | #define MULTIBOOT_LOADER_MAGIC 0x2BADB002 |
91 | 91 | ||
92 | /** Convert 32-bit multiboot address to a pointer. */ |
92 | /** Convert 32-bit multiboot address to a pointer. */ |
93 | #define MULTIBOOT_PTR(mba) ((void *)(uintptr_t) (mba)) |
93 | #define MULTIBOOT_PTR(mba) ((void *)(uintptr_t) (mba)) |
94 | 94 | ||
95 | extern void multiboot_info_parse(uint32_t, const multiboot_info_t *); |
95 | extern void multiboot_info_parse(uint32_t, const multiboot_info_t *); |
96 | 96 | ||
97 | #endif |
97 | #endif |
98 | 98 | ||
99 | /** @} |
99 | /** @} |
100 | */ |
100 | */ |
101 | 101 |