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130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/*
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*
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* (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
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*
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*/
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#include <sys/types.h>
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#ifndef _PARTITION_H
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#define _PARTITION_H
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static __attribute__((used)) char* partition_header = "$CVSHeader$";
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enum {
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kPartitionAUXIsValid= 0x00000001,
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kPartitionAUXIsAllocated = 0x00000002,
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kPartitionAUXIsInUse= 0x00000004,
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kPartitionAUXIsBootValid = 0x00000008,
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kPartitionAUXIsReadable = 0x00000010,
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kPartitionAUXIsWriteable = 0x00000020,
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kPartitionAUXIsBootCodePositionIndependent = 0x00000040,
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kPartitionIsMountedAtStartup = 0x40000000,
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kPartitionIsStartup = 0x80000000,
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kPartitionIsChainCompatible = 0x00000100,
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kPartitionIsRealDeviceDriver = 0x00000200,
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kPartitionCanChainToNext = 0x00000400,
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};
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/* Constants for the Type field */
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enum {
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kDriverTypeMacSCSI = 0x0001,
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kDriverTypeMacATA = 0x0701,
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kDriverTypeMacSCSIChained = 0xFFFF,
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kDriverTypeMacATAChained = 0xF8FF
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};
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struct DriverInfo {
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int32_t Block;
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int16_t Size;
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int16_t Type;
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} __attribute__((packed));
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#define DD_MAX_DRIVER 61
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struct DriverDescriptor {
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int16_t Sig;
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int16_t BlkSize;
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int32_t BlkCount;
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int16_t DevType;
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int16_t DevId;
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int32_t Data;
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int16_t DrvrCount;
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struct DriverInfo DrvInfo[DD_MAX_DRIVER];
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int8_t Pad[6];
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} __attribute__((packed));
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#define ASSERT_DD(a) if ( sizeof(struct DriverDescriptor) != 512 ) { a }
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/* Driver signatures, stored in the first four byte of pmPad. */
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enum {
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kPatchDriverSignature = 0x70744452, /* 'ptDR', SCSI and ATA[PI] patch driver */
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kSCSIDriverSignature = 0x00010600, /* SCSI hard disk driver */
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kATADriverSignature = 0x77696b69, /*'wiki', ATA hard disk driver */
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kSCSICDDriverSignature = 0x43447672, /* 'CDvr', SCSI CD-ROM driver */
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kATAPIDriverSignature = 0x41545049, /* 'ATPI', ATAPI CD-ROM driver */
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kDriveSetupHFSSignature = 0x44535531, /* 'DSU1', Drive Setup HFS partition */
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};
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enum {
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kPatchMesh = 0x6d657368, /* 'mesh', fixes MESH bug */
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kPatchSCSI = 0x73637369, /* 'scsi' enable booting from CDROM */
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kPatchRuby = 0x72756279, /* 'ruby', volume larger than 2GB */
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kPatchSnag = 0x736e6167, /* 'snag', enable C key to boot CDROM */
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};
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struct Partition {
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int16_t Sig;
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int16_t SigPad;
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int32_t MapBlkCnt;
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int32_t PyPartStart;
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int32_t PartBlkCnt;
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char PartName[32];
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char PartType[32];
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int32_t LgDataStart;
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int32_t DataCnt;
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int32_t PartStatus;
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int32_t LgBootStart;
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int32_t BootSize;
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int32_t BootAddr;
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int32_t BootAddr2;
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int32_t BootEntry;
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int32_t BootEntry2;
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int32_t BootCksum;
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char Processor[16];
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int16_t Pad[188];
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} __attribute__((packed));
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#define ASSERT_P(a) if ( sizeof(struct Partition) != 512 ) { a }
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#define DD_SIGNATURE 0x4552
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#define MAP_SIGNATURE 0x504D
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#define APPLE_PARTITION_MAP "Apple_partition_map"
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#define APPLE_DRIVER "Apple_Driver"
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#define APPLE_DRIVER43 "Apple_Driver43"
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#define APPLE_MFS "Apple_MFS"
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#define APPLE_HFS "Apple_HFS"
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#define APPLE_UNIX_SVR2 "Apple_Unix_SVR2"
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#define APPLE_PRODOS "Apple_PRODOS"
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#define APPLE_FREE "Apple_Free"
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#define APPLE_SCRATCH "Apple_Scratch"
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#define APPLE_DRIVER_ATA "Apple_Driver_ATA"
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#define APPLE_DRIVER_ATAPI "Apple_Driver_ATAPI"
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#define APPLE_DRIVER43_CD "Apple_Driver43_CD"
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#define APPLE_FWDRIVER "Apple_FWDriver"
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#define APPLE_VOID "Apple_Void"
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#define APPLE_PATCHES "Apple_Patches"
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#define MAP_NAME_LEN 256
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typedef struct {
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int fd;
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char name[MAP_NAME_LEN];
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int current;
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struct DriverDescriptor drivers;
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struct Partition partition;
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} emile_map_t;
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#endif
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