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[/] [or1k/] [trunk/] [or1ksim/] [testbench/] [mem_test.c] - Blame information for rev 1778

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Line No. Rev Author Line
1 538 markom
/* Simple test, which tests whether memory accesses are performed correctly.
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   WARNING: Requires big endian host!!! */
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#include "support.h"
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unsigned long _ul, *pul;
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unsigned short *pus;
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unsigned char *puc;
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int main ()
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{
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  unsigned long cnt = 0;
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  _ul = 0x12345678;
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  pul = &_ul;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  pus = (unsigned short *)&_ul;
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  report (*pus);
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  cnt = (cnt + *pus) << 1;
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  pus++;
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  report (*pus);
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  cnt = (cnt + *pus) << 1;
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  puc = (unsigned char *)&_ul;
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  report (*puc);
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  cnt = (cnt + *puc) << 1;
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  puc++;
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  report (*puc);
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  cnt = (cnt + *puc) << 1;
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  puc++;
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  report (*puc);
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  cnt = (cnt + *puc) << 1;
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  puc++;
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  report (*puc);
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  cnt = (cnt + *puc) << 1;
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  *pul = 0xdeaddead;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  pus = (unsigned short *)&_ul;
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  *pus = 0x5678;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  pus++;
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  *pus = 0x1234;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  puc = (unsigned char *)&_ul;
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  *puc = 0xdd;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  puc++;
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  *puc = 0xcc;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  puc++;
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  *puc = 0xbb;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  puc++;
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  *puc = 0xaa;
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  report (*pul);
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  cnt = (cnt + *pul) << 1;
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  report (cnt);
69 546 simons
  cnt ^= 0xdeaddead ^ 0xda25e544;
70 538 markom
  report(cnt);
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  return (cnt != 0xdeaddead);
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}

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