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Adding some constants for driver type and driver signature

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This commit is contained in:
Laurent Vivier 2006-09-20 21:45:17 +00:00
parent f7868fb753
commit a28a9d0cc0
1 changed files with 20 additions and 0 deletions
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20
libemile/partition.h
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@ -27,6 +27,15 @@ enum {
kPartitionCanChainToNext = 0x00000400,
};
/* Constants for the Type field */
enum {
kDriverTypeMacSCSI = 0x0001,
kDriverTypeMacATA = 0x0701,
kDriverTypeMacSCSIChained = 0xFFFF,
kDriverTypeMacATAChained = 0xF8FF
};
struct DriverInfo {
int32_t Block;
int16_t Size;
@ -48,6 +57,17 @@ struct DriverDescriptor {
} __attribute__((packed));
#define ASSERT_DD(a) if ( sizeof(struct DriverDescriptor) != 512 ) { a }
/* Driver signatures, stored in the first four byte of pmPad. */
enum {
kPatchDriverSignature = 0x70744452, /* 'ptDR', SCSI and ATA[PI] patch driver */
kSCSIDriverSignature = 0x00010600, /* SCSI hard disk driver */
kATADriverSignature = 0x77696b69, /*'wiki', ATA hard disk driver */
kSCSICDDriverSignature = 0x43447672, /* 'CDvr', SCSI CD-ROM driver */
kATAPIDriverSignature = 0x41545049, /* 'ATPI', ATAPI CD-ROM driver */
kDriveSetupHFSSignature = 0x44535531, /* 'DSU1', Drive Setup HFS partition */
};
struct Partition {
int16_t Sig;
int16_t SigPad;