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
|
/*
* Creation Date: <1999/07/06 15:45:12 samuel>
* Time-stamp: <2002/10/20 16:31:48 samuel>
*
* <partition_table.h>
*
* Headers describing the partition table
*
* Copyright (C) 1999, 2002 Samuel Rydh (samuel@ibrium.se)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation
*
*/
#ifndef _H_PARTITION_TABLE
#define _H_PARTITION_TABLE
/* This information is based upon IM vol V. */
#define DESC_MAP_SIGNATURE 0x4552
#define DESC_PART_SIGNATURE 0x504d
enum {
kPartitionAUXIsValid = 0x00000001,
kPartitionAUXIsAllocated = 0x00000002,
kPartitionAUXIsInUse = 0x00000004,
kPartitionAUXIsBootValid = 0x00000008,
kPartitionAUXIsReadable = 0x00000010,
kPartitionAUXIsWriteable = 0x00000020,
kPartitionAUXIsBootCodePositionIndependent = 0x00000040,
kPartitionISMountedAtStartup = 0x40000000,
kPartitionIsStartup = 0x80000000,
kPartitionIsChainCompatible = 0x00000100,
kPartitionIsRealDeviceDriver = 0x00000200,
kPartitionCanChainToNext = 0x00000400,
};
typedef struct {
u32 ddBlock; /* first block of driver */
u16 ddSize; /* driver size in blocks */
s16 ddType; /* 1 & -1 for SCSI */
} driver_entry_t;
typedef struct { /* Block 0 of a device */
u16 sbSig; /* always 0x4552 */
u16 sbBlockSize; /* 512 */
s32 sbBlkCount; /* #blocks on device */
u16 sbDevType; /* 0 */
u16 sbDevID; /* 0 */
u32 sbData; /* 0 */
s16 sbDrvrCount; /* #driver descriptors */
/* driver entries goes here */
driver_entry_t drivers[61] __attribute__ ((packed));
u16 filler1;
u32 filler2;
} desc_map_t;
typedef struct { /* Partition descriptor */
u16 pmSig; /* always 0x504d 'PM' */
u16 pmSigPad; /* 0 */
u32 pmMapBlkCnt; /* #blocks in partition map */
u32 pmPyPartStart; /* first physical block of part. */
u32 pmPartBlkCnt; /* #blocks in partition */
char pmPartName[32]; /* partition name */
char pmPartType[32]; /* partition type */
/* these fields may or may not be used */
u32 pmLgDataStart;
u32 pmDataCnt;
u32 pmPartStatus;
u32 pmLgBootStart;
u32 pmBootSize;
u32 pmBootLoad;
u32 pmBootLoad2;
u32 pmBootEntry;
u32 pmBootEntry2;
u32 pmBootCksum;
char pmProcessor[16];
char filler[376]; /* might contain extra information */
} part_entry_t;
#endif /* _H_PARTITION_TABLE */
|
