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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4377 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2009 Jiri Svoboda |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup genarch |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 35 | #ifndef KERN_MULTIBOOT_H_ |
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| 36 | #define KERN_MULTIBOOT_H_ |
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| 37 | |||
| 38 | #include <arch/types.h> |
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| 39 | #include <arch/boot/memmap.h> |
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| 40 | |||
| 41 | /** Multiboot 32-bit address. */ |
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| 42 | typedef uint32_t mbaddr_t; |
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| 43 | |||
| 44 | /** Multiboot mod structure */ |
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| 45 | typedef struct { |
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| 46 | mbaddr_t start; |
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| 47 | mbaddr_t end; |
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| 48 | mbaddr_t string; |
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| 49 | uint32_t reserved; |
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| 50 | } __attribute__ ((packed)) multiboot_mod_t; |
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| 51 | |||
| 52 | /** Multiboot mmap structure */ |
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| 53 | typedef struct { |
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| 54 | uint32_t size; |
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| 55 | e820memmap_t mm_info; |
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| 56 | } __attribute__ ((packed)) multiboot_mmap_t; |
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| 57 | |||
| 58 | /** Multiboot information structure */ |
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| 59 | typedef struct { |
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| 60 | uint32_t flags; |
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| 61 | uint32_t mem_lower; |
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| 62 | uint32_t mem_upper; |
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| 63 | |||
| 64 | uint32_t boot_device; |
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| 65 | uint32_t cmdline; |
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| 66 | |||
| 67 | uint32_t mods_count; |
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| 68 | mbaddr_t mods_addr; |
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| 69 | |||
| 70 | uint32_t syms[4]; |
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| 71 | |||
| 72 | uint32_t mmap_length; |
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| 73 | mbaddr_t mmap_addr; |
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| 74 | |||
| 75 | /* ... */ |
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| 76 | } __attribute__ ((packed)) multiboot_info_t; |
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| 77 | |||
| 78 | enum multiboot_info_flags { |
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| 79 | MBINFO_FLAGS_MEM = 0x01, |
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| 80 | MBINFO_FLAGS_BOOT = 0x02, |
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| 81 | MBINFO_FLAGS_CMDLINE = 0x04, |
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| 82 | MBINFO_FLAGS_MODS = 0x08, |
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| 83 | MBINFO_FLAGS_SYMS1 = 0x10, |
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| 84 | MBINFO_FLAGS_SYMS2 = 0x20, |
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| 85 | MBINFO_FLAGS_MMAP = 0x40 |
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| 86 | |||
| 87 | /* ... */ |
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| 88 | }; |
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| 89 | |||
| 90 | #define MULTIBOOT_LOADER_MAGIC 0x2BADB002 |
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| 91 | |||
| 92 | /** Convert 32-bit multiboot address to a pointer. */ |
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| 93 | #define MULTIBOOT_PTR(mba) ((void *)(uintptr_t) (mba)) |
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| 94 | |||
| 95 | extern void multiboot_info_parse(uint32_t, const multiboot_info_t *); |
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| 96 | |||
| 97 | #endif |
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| 98 | |||
| 99 | /** @} |
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| 100 | */ |