Subversion Repositories HelenOS

Rev

Rev 4022 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
3984 svoboda 1
/*
4022 svoboda 2
 * Copyright (c) 2009 Jiri Svoboda
3984 svoboda 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
4022 svoboda 29
/** @addtogroup genarch
3984 svoboda 30
 * @{
31
 */
32
/** @file
33
 */
34
 
4022 svoboda 35
#ifndef KERN_MULTIBOOT_H_
36
#define KERN_MULTIBOOT_H_
3984 svoboda 37
 
38
#include <arch/types.h>
39
#include <arch/boot/memmap.h>
40
 
4022 svoboda 41
/** Multiboot 32-bit address. */
42
typedef uint32_t mbaddr_t;
43
 
3984 svoboda 44
/** Multiboot mod structure */
45
typedef struct {
4022 svoboda 46
    mbaddr_t start;
47
    mbaddr_t end;
48
    mbaddr_t string;
3984 svoboda 49
    uint32_t reserved;
4022 svoboda 50
} __attribute__ ((packed)) multiboot_mod_t;
3984 svoboda 51
 
52
/** Multiboot mmap structure */
53
typedef struct {
54
    uint32_t size;
55
    e820memmap_t mm_info;
4022 svoboda 56
} __attribute__ ((packed)) multiboot_mmap_t;
3984 svoboda 57
 
58
/** Multiboot information structure */
59
typedef struct {
60
    uint32_t flags;
4022 svoboda 61
    uint32_t mem_lower;
62
    uint32_t mem_upper;
4015 decky 63
 
3984 svoboda 64
    uint32_t boot_device;
4022 svoboda 65
    uint32_t cmdline;
4015 decky 66
 
3984 svoboda 67
    uint32_t mods_count;
4022 svoboda 68
    mbaddr_t mods_addr;
4015 decky 69
 
3984 svoboda 70
    uint32_t syms[4];
4015 decky 71
 
3984 svoboda 72
    uint32_t mmap_length;
4022 svoboda 73
    mbaddr_t mmap_addr;
4015 decky 74
 
3984 svoboda 75
    /* ... */
4022 svoboda 76
} __attribute__ ((packed)) multiboot_info_t;
3984 svoboda 77
 
4022 svoboda 78
enum multiboot_info_flags {
4015 decky 79
    MBINFO_FLAGS_MEM     = 0x01,
80
    MBINFO_FLAGS_BOOT    = 0x02,
81
    MBINFO_FLAGS_CMDLINE = 0x04,
82
    MBINFO_FLAGS_MODS    = 0x08,
83
    MBINFO_FLAGS_SYMS1   = 0x10,
84
    MBINFO_FLAGS_SYMS2   = 0x20,
85
    MBINFO_FLAGS_MMAP    = 0x40
86
 
3984 svoboda 87
    /* ... */
88
};
89
 
4022 svoboda 90
#define MULTIBOOT_LOADER_MAGIC  0x2BADB002
91
 
92
/** Convert 32-bit multiboot address to a pointer. */
93
#define MULTIBOOT_PTR(mba) ((void *)(uintptr_t) (mba))
94
 
95
extern void multiboot_info_parse(uint32_t, const multiboot_info_t *);
96
 
3984 svoboda 97
#endif
98
 
99
/** @}
100
 */