1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* $OpenBSD: disklabel.h,v 1.5 2005/11/04 13:33:59 uwe Exp $ */
/* $OpenBSD: disklabel.h,v 1.5 2005/11/04 13:33:59 uwe Exp $ */
/* $NetBSD: disklabel.h,v 1.2 2001/11/25 19:02:03 thorpej Exp $ */
/*
* Copyright (c) 1994 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* disklabel.h
*
* machine specific disk label info
*
* Created : 04/10/94
*/
#ifndef _ARM_DISKLABEL_H_
#define _ARM_DISKLABEL_H_
#define LABELSECTOR 1 /* sector containing label */
#define LABELOFFSET 0 /* offset of label in sector */
#define MAXPARTITIONS 16 /* number of partitions */
#define RAW_PART 2 /* raw partition: XX?c */
#include <sys/dkbad.h>
#if 0
#include <arm/disklabel_acorn.h>
#include <sys/disklabel_mbr.h>
#endif
/* MBR partition table */
#define DOSBBSECTOR 0 /* MBR sector number */
#define DOSPARTOFF 446 /* Offset of MBR partition table */
#define NDOSPART 4 /* # of partitions in MBR */
#define DOSMAGICOFF 510 /* Offset of magic number */
#define DOSMAGIC 0xaa55 /* Actual magic number */
#define MBRMAGIC DOSMAGIC
#define DOSMBR_SIGNATURE MBRMAGIC
#define DOSMBR_SIGNATURE_OFF DOSMAGICOFF
#define DOSACTIVE 0x80
struct dos_partition {
u_int8_t dp_flag; /* bootstrap flags */
u_int8_t dp_shd; /* starting head */
u_int8_t dp_ssect; /* starting sector */
u_int8_t dp_scyl; /* starting cylinder */
u_int8_t dp_typ; /* partition type (see below) */
u_int8_t dp_ehd; /* end head */
u_int8_t dp_esect; /* end sector */
u_int8_t dp_ecyl; /* end cylinder */
u_int32_t dp_start; /* absolute starting sector number */
u_int32_t dp_size; /* partition size in sectors */
};
/* Known DOS partition types. */
#define DOSPTYP_UNUSED 0x00 /* Unused partition */
#define DOSPTYP_FAT12 0x01 /* 12-bit FAT */
#define DOSPTYP_FAT16S 0x04 /* 16-bit FAT, less than 32M */
#define DOSPTYP_EXTEND 0x05 /* Extended; contains sub-partitions */
#define DOSPTYP_FAT16B 0x06 /* 16-bit FAT, more than 32M */
#define DOSPTYP_FAT32 0x0b /* 32-bit FAT */
#define DOSPTYP_FAT32L 0x0c /* 32-bit FAT, LBA-mapped */
#define DOSPTYP_FAT16C 0x0e /* 16-bit FAT, CHS-mapped */
#define DOSPTYP_EXTENDL 0x0f /* Extended, LBA-mapped; contains sub-partitions */
#define DOSPTYP_ONTRACK 0x54
#define DOSPTYP_LINUX 0x83 /* That other thing */
#define DOSPTYP_FREEBSD 0xa5 /* FreeBSD partition type */
#define DOSPTYP_OPENBSD 0xa6 /* OpenBSD partition type */
#define DOSPTYP_NETBSD 0xa9 /* NetBSD partition type */
/* Isolate the relevant bits to get sector and cylinder. */
#define DPSECT(s) ((s) & 0x3f)
#define DPCYL(c, s) ((c) + (((s) & 0xc0) << 2))
#ifdef __ARMEL__
#define get_le(x) (*((u_int32_t *)x))
#else
static __inline u_int32_t get_le(void *p);
static __inline u_int32_t
get_le(void *p)
{
u_int8_t *_p = (u_int8_t *)p;
int x;
x = _p[0];
x |= _p[1] << 8;
x |= _p[2] << 16;
x |= _p[3] << 24;
return x;
}
#endif
#define NMBRPART 4
struct cpu_disklabel {
struct dos_partition dosparts[NMBRPART];
struct dkbad bad;
};
#endif /* _ARM_DISKLABEL_H_ */
|
