speedtools.h

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#ifndef SPEEDTOOLS_H_INCLUDED
#define SPEEDTOOLS_H_INCLUDED

#define PREFETCH_2048(x) \
    { int *pfetcha = (int *) x; \
        prefetchnta( pfetcha ); \
        prefetchnta( pfetcha + 64 ); \
        prefetchnta( pfetcha + 128 ); \
        prefetchnta( pfetcha + 192 ); \
        pfetcha += 256; \
        prefetchnta( pfetcha ); \
        prefetchnta( pfetcha + 64 ); \
        prefetchnta( pfetcha + 128 ); \
        prefetchnta( pfetcha + 192 ); }

static inline unsigned int read_pf(volatile unsigned int *addr)
{
    return *addr;
}

#define READ_PREFETCH_2048(x) \
    { int * pfetcha = (int *) x; \
        read_pf(pfetcha);       read_pf(pfetcha + 16);  read_pf(pfetcha + 32);  read_pf(pfetcha + 48); \
        read_pf(pfetcha + 64);  read_pf(pfetcha + 80);  read_pf(pfetcha + 96);  read_pf(pfetcha + 112); \
        read_pf(pfetcha + 128); read_pf(pfetcha + 144); read_pf(pfetcha + 160); read_pf(pfetcha + 176); \
        read_pf(pfetcha + 192); read_pf(pfetcha + 208); read_pf(pfetcha + 224); read_pf(pfetcha + 240); \
        pfetcha += 256;                                                 \
        read_pf(pfetcha);       read_pf(pfetcha + 16);  read_pf(pfetcha + 32);  read_pf(pfetcha + 48); \
        read_pf(pfetcha + 64);  read_pf(pfetcha + 80);  read_pf(pfetcha + 96);  read_pf(pfetcha + 112); \
        read_pf(pfetcha + 128); read_pf(pfetcha + 144); read_pf(pfetcha + 160); read_pf(pfetcha + 176); \
        read_pf(pfetcha + 192); read_pf(pfetcha + 208); read_pf(pfetcha + 224); read_pf(pfetcha + 240); }

#endif /* SPEEDTOOLS_H_INCLUDED */