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57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/*
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*
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* (c) 2005 Laurent Vivier <Laurent@lvivier.info>
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <macos/lowmem.h>
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#include <macos/devices.h>
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#include <macos/video.h>
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#include "misc.h"
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void turn_off_interrupts()
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{
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int i;
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short count;
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DCtlHandle *currentHandle;
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DCtlPtr currentPtr;
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DriverHeader *driverPtr, **driverHandle;
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short refnum;
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volatile OSErr err; /* because -O2 remove call to PBControlSync() otherwise... */
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VDParamBlock pb;
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VDFlagRec flag;
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count = LMGetUnitTableEntryCount();
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currentHandle = (DCtlEntry ***) LMGetUTableBase();
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for (i = 0; i < count; i++)
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{
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if (!currentHandle[i])
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continue;
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currentPtr = *(currentHandle[i]);
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if (currentPtr->dCtlFlags & dRAMBasedMask)
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{
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driverHandle = (void*)(currentPtr->dCtlDriver);
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if (!driverHandle)
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continue;
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driverPtr = *driverHandle;
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}
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else
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driverPtr = (void*)(currentPtr->dCtlDriver);
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err = OpenDriver(driverPtr->drvrName, &refnum);
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if (err != noErr)
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continue;
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pb.ioRefNum = refnum;
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pb.csCode = 7; /* SetInterrupt */
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flag.flag = 1;
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pb.csParam = &flag;
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err = PBControlSync((ParmBlkPtr) &pb);
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}
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}
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