cond_broadcast.h

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/* PROLOG END TAG zYx                                              */
#ifndef _SPU_COND_BROADCAST_H_
#define _SPU_COND_BROADCAST_H_

#include "sync_utils.h"
#include "cond.h"
#include <spu_mfcio.h>

/**
 * cond_broadcast - indicate that a condition is true.
 * @cond: handle to effective address of condition variable.
 */
static __inline void _cond_broadcast(cond_ea_t cond)
{
    char _tmp[256];                                     
    char *tmp = (char *) ALIGN(_tmp, 128);              
    volatile unsigned short *buf = (volatile unsigned short *) &tmp[0];       
    unsigned int size = 128, tagid = 0;                          
    u32 offset;                                         
    addr64 ea64;          

    ea64.ull = ALIGN128_EA(cond);
    offset = OFFSET128_EA_U16(cond);
    MFC_DMA(buf, ea64, size, tagid, MFC_GETLLAR_CMD);
    spu_readch(MFC_RdAtomicStat);

    /* set the condition variable to the count. So that
     * all the threads  */
    buf[offset] = buf[offset + 1];
    MFC_DMA(buf, ea64, size, tagid, MFC_PUTLLUC_CMD);
    spu_readch(MFC_RdAtomicStat);
}

#endif /* _SPU_COND_BROADCAST_H_ */