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Source at commit 2054 created 11 years 10 months ago. By zef, Fixed source indent. | |
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1 | /*␊ |
2 | * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * This file contains Original Code and/or Modifications of Original Code␊ |
7 | * as defined in and that are subject to the Apple Public Source License␊ |
8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
9 | * compliance with the License. Please obtain a copy of the License at␊ |
10 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
11 | * file.␊ |
12 | * ␊ |
13 | * The Original Code and all software distributed under the License are␊ |
14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
18 | * Please see the License for the specific language governing rights and␊ |
19 | * limitations under the License.␊ |
20 | * ␊ |
21 | * @APPLE_LICENSE_HEADER_END@␊ |
22 | */␊ |
23 | /*␊ |
24 | * 2008-05-24:␊ |
25 | * Tamas Kosarszky: changed MBR_CODE_SIZE to 0x1B8 to make fdisk␊ |
26 | * compatible with Vista and GPT specifications.␊ |
27 | *␊ |
28 | * Credits goes to Dense for the idea of this modification and␊ |
29 | * Kabyl for findig this piece of source. ␊ |
30 | */␊ |
31 | /*␊ |
32 | * Copyright (c) 1997 Tobias Weingartner␊ |
33 | * All rights reserved.␊ |
34 | *␊ |
35 | * Redistribution and use in source and binary forms, with or without␊ |
36 | * modification, are permitted provided that the following conditions␊ |
37 | * are met:␊ |
38 | * 1. Redistributions of source code must retain the above copyright␊ |
39 | * notice, this list of conditions and the following disclaimer.␊ |
40 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
41 | * notice, this list of conditions and the following disclaimer in the␊ |
42 | * documentation and/or other materials provided with the distribution.␊ |
43 | * 3. All advertising materials mentioning features or use of this software␊ |
44 | * must display the following acknowledgement:␊ |
45 | * This product includes software developed by Tobias Weingartner.␊ |
46 | * 4. The name of the author may not be used to endorse or promote products␊ |
47 | * derived from this software without specific prior written permission.␊ |
48 | *␊ |
49 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR␊ |
50 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES␊ |
51 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.␊ |
52 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,␊ |
53 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT␊ |
54 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,␊ |
55 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY␊ |
56 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT␊ |
57 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF␊ |
58 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊ |
59 | */␊ |
60 | ␊ |
61 | #ifndef _MBR_H␊ |
62 | #define _MBR_H␊ |
63 | ␊ |
64 | #include "part.h"␊ |
65 | ␊ |
66 | #ifndef NDOSPART␊ |
67 | #define NDOSPART 4␊ |
68 | #define DOSPTYP_UNUSED 0 ␊ |
69 | #define DOSPTYP_EXTEND 5␊ |
70 | #define DOSPTYP_EXTENDL 15␊ |
71 | #define DOSACTIVE 128␊ |
72 | #endif␊ |
73 | ␊ |
74 | /* Various constants */␊ |
75 | #define MBR_CODE_SIZE 0x1B8␊ |
76 | #define MBR_PART_SIZE␉0x10␊ |
77 | #define MBR_PART_OFF 0x1BE␊ |
78 | #define MBR_SIG_OFF 0x1FE␊ |
79 | /* MBR_BUF_SIZE is the largest sector size we support */␊ |
80 | #define MBR_BUF_SIZE 4096␊ |
81 | ␊ |
82 | #define MBR_SIGNATURE 0xAA55␊ |
83 | ␊ |
84 | /* MBR type */␊ |
85 | typedef struct _mbr_t {␊ |
86 | off_t reloffset; /* the offset of the first extended partition that contains all the rest */␊ |
87 | off_t offset; /* the absolute offset of this partition */␊ |
88 | struct _mbr_t *next; /* pointer to the next MBR in an extended partition chain */␊ |
89 | ␉unsigned char code[MBR_CODE_SIZE];␊ |
90 | ␉unsigned short signature;␊ |
91 | ␉prt_t part[NDOSPART];␊ |
92 | unsigned char buf[MBR_BUF_SIZE];␊ |
93 | } mbr_t;␊ |
94 | ␊ |
95 | /* Prototypes */␊ |
96 | void MBR_print_disk __P((char *));␊ |
97 | void MBR_print __P((mbr_t *));␊ |
98 | void MBR_print_all __P((mbr_t *));␊ |
99 | void MBR_parse __P((disk_t *, off_t, off_t, mbr_t *));␊ |
100 | void MBR_make __P((mbr_t *));␊ |
101 | void MBR_init __P((disk_t *, mbr_t *));␊ |
102 | int MBR_read __P((disk_t *,int, off_t, mbr_t *));␊ |
103 | int MBR_write __P((disk_t *,int, mbr_t *));␊ |
104 | void MBR_pcopy __P((disk_t *, mbr_t *));␊ |
105 | mbr_t * MBR_parse_spec __P((FILE *, disk_t *));␊ |
106 | void MBR_dump __P((mbr_t *));␊ |
107 | void MBR_dump_all __P((mbr_t *));␊ |
108 | mbr_t *MBR_alloc __P((mbr_t *));␊ |
109 | void MBR_free __P((mbr_t *));␊ |
110 | mbr_t * MBR_read_all __P((disk_t *));␊ |
111 | int MBR_write_all __P((disk_t *, mbr_t *));␊ |
112 | void MBR_clear __P((mbr_t *));␊ |
113 | ␊ |
114 | /* Sanity check */␊ |
115 | #include <machine/param.h>␊ |
116 | #if (DEV_BSIZE != 512)␊ |
117 | #error "DEV_BSIZE != 512, somebody better fix me!"␊ |
118 | #endif␊ |
119 | ␊ |
120 | #endif /* _MBR_H */␊ |
121 | ␊ |
122 |