You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
160 lines
5.9 KiB
160 lines
5.9 KiB
/* |
|
File: AppleDiskPartitions.h |
|
|
|
Contains: The Apple disk partition scheme as defined in Inside Macintosh: Volume V. |
|
|
|
Version: QuickTime 7.3 |
|
|
|
Copyright: (c) 2007 (c) 2000-2001 by Apple Computer, Inc., all rights reserved |
|
|
|
Bugs?: For bug reports, consult the following page on |
|
the World Wide Web: |
|
|
|
http://developer.apple.com/bugreporter/ |
|
|
|
*/ |
|
#ifndef __APPLEDISKPARTITIONS__ |
|
#define __APPLEDISKPARTITIONS__ |
|
|
|
#ifndef __MACTYPES__ |
|
#include <MacTypes.h> |
|
#endif |
|
|
|
|
|
|
|
|
|
#if PRAGMA_ONCE |
|
#pragma once |
|
#endif |
|
|
|
#if PRAGMA_IMPORT |
|
#pragma import on |
|
#endif |
|
|
|
#if PRAGMA_STRUCT_ALIGN |
|
#pragma options align=mac68k |
|
#elif PRAGMA_STRUCT_PACKPUSH |
|
#pragma pack(push, 2) |
|
#elif PRAGMA_STRUCT_PACK |
|
#pragma pack(2) |
|
#endif |
|
|
|
/* Block 0 Definitions */ |
|
enum { |
|
sbSIGWord = 0x4552, /* signature word for Block 0 ('ER') */ |
|
sbMac = 1 /* system type for Mac */ |
|
}; |
|
|
|
/* Partition Map Signatures */ |
|
enum { |
|
pMapSIG = 0x504D, /* partition map signature ('PM') */ |
|
pdSigWord = 0x5453, /* partition map signature ('TS') */ |
|
oldPMSigWord = pdSigWord, |
|
newPMSigWord = pMapSIG |
|
}; |
|
|
|
|
|
/* Driver Descriptor Map */ |
|
struct Block0 { |
|
UInt16 sbSig; /* unique value for SCSI block 0 */ |
|
UInt16 sbBlkSize; /* block size of device */ |
|
UInt32 sbBlkCount; /* number of blocks on device */ |
|
UInt16 sbDevType; /* device type */ |
|
UInt16 sbDevId; /* device id */ |
|
UInt32 sbData; /* not used */ |
|
UInt16 sbDrvrCount; /* driver descriptor count */ |
|
UInt32 ddBlock; /* 1st driver's starting block */ |
|
UInt16 ddSize; /* size of 1st driver (512-byte blks) */ |
|
UInt16 ddType; /* system type (1 for Mac+) */ |
|
UInt16 ddPad[243]; /* ARRAY[0..242] OF INTEGER; not used */ |
|
}; |
|
typedef struct Block0 Block0; |
|
/* Driver descriptor */ |
|
struct DDMap { |
|
UInt32 ddBlock; /* 1st driver's starting block */ |
|
UInt16 ddSize; /* size of 1st driver (512-byte blks) */ |
|
UInt16 ddType; /* system type (1 for Mac+) */ |
|
}; |
|
typedef struct DDMap DDMap; |
|
/* Constants for the ddType field of the DDMap structure. */ |
|
enum { |
|
kDriverTypeMacSCSI = 0x0001, |
|
kDriverTypeMacATA = 0x0701, |
|
kDriverTypeMacSCSIChained = 0xFFFF, |
|
kDriverTypeMacATAChained = 0xF8FF |
|
}; |
|
|
|
/* Partition Map Entry */ |
|
struct Partition { |
|
UInt16 pmSig; /* unique value for map entry blk */ |
|
UInt16 pmSigPad; /* currently unused */ |
|
UInt32 pmMapBlkCnt; /* # of blks in partition map */ |
|
UInt32 pmPyPartStart; /* physical start blk of partition */ |
|
UInt32 pmPartBlkCnt; /* # of blks in this partition */ |
|
UInt8 pmPartName[32]; /* ASCII partition name */ |
|
UInt8 pmParType[32]; /* ASCII partition type */ |
|
UInt32 pmLgDataStart; /* log. # of partition's 1st data blk */ |
|
UInt32 pmDataCnt; /* # of blks in partition's data area */ |
|
UInt32 pmPartStatus; /* bit field for partition status */ |
|
UInt32 pmLgBootStart; /* log. blk of partition's boot code */ |
|
UInt32 pmBootSize; /* number of bytes in boot code */ |
|
UInt32 pmBootAddr; /* memory load address of boot code */ |
|
UInt32 pmBootAddr2; /* currently unused */ |
|
UInt32 pmBootEntry; /* entry point of boot code */ |
|
UInt32 pmBootEntry2; /* currently unused */ |
|
UInt32 pmBootCksum; /* checksum of boot code */ |
|
UInt8 pmProcessor[16]; /* ASCII for the processor type */ |
|
UInt16 pmPad[188]; /* ARRAY[0..187] OF INTEGER; not used */ |
|
}; |
|
typedef struct Partition Partition; |
|
|
|
/* Flags for the pmPartStatus field of the Partition data structure. */ |
|
enum { |
|
kPartitionAUXIsValid = 0x00000001, |
|
kPartitionAUXIsAllocated = 0x00000002, |
|
kPartitionAUXIsInUse = 0x00000004, |
|
kPartitionAUXIsBootValid = 0x00000008, |
|
kPartitionAUXIsReadable = 0x00000010, |
|
kPartitionAUXIsWriteable = 0x00000020, |
|
kPartitionAUXIsBootCodePositionIndependent = 0x00000040, |
|
kPartitionIsWriteable = 0x00000020, |
|
kPartitionIsMountedAtStartup = 0x40000000, |
|
kPartitionIsStartup = (long)0x80000000, |
|
kPartitionIsChainCompatible = 0x00000100, |
|
kPartitionIsRealDeviceDriver = 0x00000200, |
|
kPartitionCanChainToNext = 0x00000400 |
|
}; |
|
|
|
|
|
|
|
|
|
/* Well known driver signatures, stored in the first four byte of pmPad. */ |
|
enum { |
|
kPatchDriverSignature = FOUR_CHAR_CODE('ptDR'), /* SCSI and ATA[PI] patch driver */ |
|
kSCSIDriverSignature = 0x00010600, /* SCSI hard disk driver */ |
|
kATADriverSignature = FOUR_CHAR_CODE('wiki'), /* ATA hard disk driver */ |
|
kSCSICDDriverSignature = FOUR_CHAR_CODE('CDvr'), /* SCSI CD-ROM driver */ |
|
kATAPIDriverSignature = FOUR_CHAR_CODE('ATPI'), /* ATAPI CD-ROM driver */ |
|
kDriveSetupHFSSignature = FOUR_CHAR_CODE('DSU1') /* Drive Setup HFS partition */ |
|
}; |
|
|
|
|
|
|
|
|
|
#if PRAGMA_STRUCT_ALIGN |
|
#pragma options align=reset |
|
#elif PRAGMA_STRUCT_PACKPUSH |
|
#pragma pack(pop) |
|
#elif PRAGMA_STRUCT_PACK |
|
#pragma pack() |
|
#endif |
|
|
|
#ifdef PRAGMA_IMPORT_OFF |
|
#pragma import off |
|
#elif PRAGMA_IMPORT |
|
#pragma import reset |
|
#endif |
|
|
|
|
|
#endif /* __APPLEDISKPARTITIONS__ */ |
|
|
|
|