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136 lines
2.9 KiB
C
136 lines
2.9 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_DEVICES_H__
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#define __MACOS_DEVICES_H__
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#include <macos/traps.h>
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#include <macos/types.h>
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#include <macos/files.h>
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#include <macos/errors.h>
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#include <macos/osutils.h>
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typedef struct
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{
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short drvrFlags;
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short drvrDelay;
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short drvrEMask;
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short drvrMenu;
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short drvrOpen;
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short drvrPrime;
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short drvrCtl;
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short drvrStatus;
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short drvrClose;
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unsigned char drvrName[];
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} DriverHeader;
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enum {
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dVMImmuneMask = 0x0001, /* driver does not need VM protection */
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dOpenedMask = 0x0020, /* driver is open */
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dRAMBasedMask = 0x0040, /* dCtlDriver is a handle (1) or pointer (0) */
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drvrActiveMask = 0x0080 /* driver is currently processing a request */
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};
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struct DCtlEntry {
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void* dCtlDriver;
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volatile short dCtlFlags;
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QHdr dCtlQHdr;
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volatile long dCtlPosition;
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void** dCtlStorage;
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short dCtlRefNum;
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long dCtlCurTicks;
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void* dCtlWindow;
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short dCtlDelay;
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short dCtlEMask;
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short dCtlMenu;
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};
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typedef struct DCtlEntry DCtlEntry;
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typedef DCtlEntry * DCtlPtr;
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typedef DCtlPtr * DCtlHandle;
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#ifdef __mc68000__
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static inline OSErr PBCloseSync(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(_PBCloseSync)
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: "=d" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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static inline OSErr PBControlSync(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(_PBControlSync)
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: "=d" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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static inline OSErr PBOpenSync(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(_PBOpenSync)
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: "=d" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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static inline OSErr PBReadSync(ParamBlockRec_t* 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(_PBReadSync)
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: "=d" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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static inline OSErr PBStatusSync(ParamBlockRec_t* 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(_PBStatusSync)
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: "=d" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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static inline OSErr PBWriteSync(ParamBlockRec_t* 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(_PBWriteSync)
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: "=d" (ret) : "g" (paramBlock) : UNPRESERVED_REGS);
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return ret;
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}
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static inline OSErr DrvrRemove(int refNum)
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{
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register OSErr ret asm("%%d0");
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asm("move.l %1, %%d0\n"
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Trap(_DrvrRemove)
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: "=d" (ret) : "g" (refNum) : UNPRESERVED_REGS);
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return ret;
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}
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#endif /* __mc68000__ */
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extern OSErr OpenDriver(ConstStr255Param name, short *drvrRefNum);
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extern OSErr CloseDriver(short refNum);
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extern OSErr SerGetBuf(short refNum, long *count);
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extern DCtlHandle GetDCtlEntry(short refNum);
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#endif /* __MACOS_DEVICES_H__ */
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