src/spu/system/moc_wtick_spu.c

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#include <moc.h>

// if Time-Source is "gettimeofday()" from sys/time.h
// surprisingly this works out of the box. and it seems to be a
// global synchronized time. no internal information how it is
// implemented was found so far, but I think its communicating
// with the PPU because there is no known instance on the SPU
// capable of handling this except the SPU timer library.
// so be carefull using this.
#if defined(MOC_SPU_TIMESOURCE_TIMEOFDAY)
#undef MOC_SPU_TIMESOURCE_SPUTIME

#include <time.h>
#include <sys/time.h>

double MOC_Wtick(void)
    {
    return 1.0 / ((double) CLOCKS_PER_SEC);
    }

// if Time-Source is the SPU timer library
// this library seems to have prototype-status and its path isn't
// the default. therefore the sputimer-library needs to be explicitly
// linked to any MOC-application.
#elif defined(MOC_SPU_TIMESOURCE_SPUTIME)
#undef MOC_SPU_TIMESOURCE_TIMEOFDAY

#define IMOC_TIMEBASE 79800000

double MOC_Wtick(void)
    {
    return 1.0/((double)IMOC_TIMEBASE);
    }

// if no time-source
// some dummy-functions
#else

double MOC_Wtick(void)
    {
    return 0;
    }

#endif

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