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[/] [eco32/] [trunk/] [stdalone/] [dhrystone/] [port/] [dhry_utils.c] - Blame information for rev 284

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Line No. Rev Author Line
1 280 hellwig
/*
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 * dhry_utils.c -- utility functions
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 */
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#include "dhry_utils.h"
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/**************************************************************/
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clock_t times(struct tms *buf) {
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  static int firstCall = 1;
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  volatile unsigned int *timerDivisor;
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  volatile unsigned int *timerCounter;
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  if (firstCall) {
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    firstCall = 0;
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    timerDivisor = (unsigned int *) 0xF0000004;
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    *timerDivisor = 0xFFFFFFFF;
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    buf->tms_utime = 0;
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    buf->tms_stime = 0;
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    buf->tms_cutime = 0;
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    buf->tms_cstime = 0;
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  } else {
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    timerCounter = (unsigned int *) 0xF0000008;
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    /* the counter counts in units of 20 nsec */
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    /* but we want to count in units of 1 msec */
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    buf->tms_utime = (0xFFFFFFFF - *timerCounter) / 50000;
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    buf->tms_stime = 0;
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    buf->tms_cutime = 0;
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    buf->tms_cstime = 0;
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  }
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  return 0;
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}
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/**************************************************************/
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#define MAX_MALLOC      100
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static unsigned int a[MAX_MALLOC];
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static unsigned int *p = a;
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void *malloc(unsigned size) {
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  void *q;
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  size = (size + sizeof(unsigned) - 1) / sizeof(unsigned);
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  if (p + size > &a[MAX_MALLOC]) {
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    return 0;
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  }
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  q = p;
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  p += size;
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  return q;
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}

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