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139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/*
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*
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* (c) 2004,2005 Laurent Vivier <Laurent@lvivier.info>
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*
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*/
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#ifndef __MACOS_FILES_H__
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#define __MACOS_FILES_H__
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#include <macos/traps.h>
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enum {
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fsAtMark = 0,
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fsFromStart = 1,
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fsFromLEOF = 2,
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fsFromMark = 3
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};
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/* ParamBlockRec Structure: "Inside Macintosh: Files", p. 2-87 */
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#define COMMON_PARAMS \
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void* qLink; /* next queue entry */ \
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u_int16_t qType; /* queue type */ \
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u_int16_t ioTrap; /* routine trap */ \
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void* ioCmdAddr; /* routine address */ \
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void* ioCompletion; /* ptr to completion routine */ \
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u_int16_t ioResult; /* result code */ \
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unsigned char* ioNamePtr; /* pointer to pathname */ \
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int16_t ioVRefNum; /* volume specification */
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typedef struct ParamBlockRec ParamBlockRec_t;
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struct ParamBlockRec {
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COMMON_PARAMS
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int16_t ioRefNum; /* file reference number */
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int8_t ioVersNum; /* version number */
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int8_t ioPermssn; /* read/write permission */
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u_int32_t ioMisc; /* miscellaneaous */
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u_int32_t ioBuffer; /* data buffer */
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u_int32_t ioReqCount; /* requested number of bytes */
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u_int32_t ioActCount; /* actual number of bytes */
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u_int16_t ioPosMode; /* positioning mode and newline char */
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int32_t ioPosOffset; /* positionning offset */
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} __attribute__((packed));
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typedef struct ParamBlockRec ParamBlockRec;
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typedef struct ParamBlockRec* ParmBlkPtr;
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struct CntrlParam {
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COMMON_PARAMS
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int16_t ioCRefNum;
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int16_t csCode;
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int16_t csParam[11];
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};
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typedef struct CntrlParam CntrlParam;
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typedef CntrlParam* CntrlParamPtr;
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struct VolumeParam {
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COMMON_PARAMS
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int32_t filler2;
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int16_t ioVolIndex; /* Volume index number */
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u_int32_t ioVCrDate; /* Creation date/time */
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u_int32_t ioVLsBkUp; /* Last backup date/time */
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u_int16_t ioVAtrb; /* Volume attr */
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u_int16_t ioVNmFls; /* Number of files in directory */
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u_int16_t ioVDirSt; /* Start block of file directory */
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int16_t ioVBlLn; /* GetVolInfo:
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* length of dir in blocks
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*/
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u_int16_t ioVNmAlBlks; /* For compatibilty:
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* ioVNmAlBlks * ioVAlBlkSiz <= 2 GB
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*/
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u_int32_t ioVAlBlkSiz; /* For compatibilty:
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* ioVAlBlkSiz is <= $0000FE00 (65,024)
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*/
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u_int32_t ioVClpSiz; /*GetVolInfo: bytes to allocate at a time*/
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u_int16_t ioAlBlSt; /* Starting disk(512-byte) block in block map */
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u_int32_t ioVNxtFNum; /* GetVolInfo:
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* next free file number
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*/
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u_int16_t ioVFrBlk; /* GetVolInfo:
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* # free alloc blks for this volume
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*/
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};
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typedef struct VolumeParam VolumeParam;
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typedef VolumeParam* VolumeParamPtr;
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#define ASSERT_PBR(a) if ( sizeof(ParamBlockRec_t) != 50 ) { a }
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/* access permissions : Inside Macintosh: Devices
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* http://developer.apple.com/documentation/mac/Devices/
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*/
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enum {
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fsCurPerm = 0, /* retain current permission */
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fsRdPerm = 1, /* allow reads only */
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fsWrPerm = 2, /* allow writes only */
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fsRdWrPerm = 3 /* allow reads and writes */
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};
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struct DrvQEl {
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void* qLink;
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int16_t qType;
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int16_t dQDrive;
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int16_t dQRefNum;
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int16_t dQFSID;
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u_int16_t dQDrvSz;
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u_int16_t dQDrvSz2;
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};
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typedef struct DrvQEl DrvQEl;
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typedef DrvQEl * DrvQElPtr;
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#ifdef __mc68000__
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static inline void FInitQueue(void)
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{
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asm(Trap(_FInitQueue) ::: "%%d0", UNPRESERVED_REGS);
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}
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static inline OSErr PBGetVInfoSync(ParmBlkPtr paramBlock)
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{
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register OSErr ret asm("%%d0");
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asm("move.l %1, %%a0\n"
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Trap(_GetVolInfo)
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: "=g" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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static inline OSErr PBMountVol(ParmBlkPtr paramBlock)
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{
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register OSErr ret asm("%%d0");
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asm("move.l %1, %%a0\n"
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Trap(_MountVol)
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: "=g" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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#endif /* __mc68000__ */
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#endif /* __MACOS_FILES_H__ */
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