TeslaRel410/sda4/DPL3/VRENDER/MEMTEST.C

#include <stdio.h>
#include <stdlib.h>

/* #define XP */


extern void blitz_memcpy ( int *dst, int *src, int words );

typedef int (*ifptr)( int );

ifptr addemup;

/* #define blitz_memcpy(a,b,c) memcpy(a,b,(c)<<2 ) */

int main ( int argc, char **argv )
{
  /*{{{  locals*/
  int k, t, i, *memory, memwords=16*1024*1024, halfwords;
  
  /*}}}  */

  /*{{{  grab as much ram as i can*/
  memory=NULL;
  while (memory == NULL) {
    memwords-=127;
    memory=(int *) malloc(memwords*4);
  }
  memwords-=64;
  memwords&=0xffffffc0;
  
  
  memwords=1024*512;
  
  halfwords=memwords>>1;
  
  printf ("Memwords = %d, halfwords=%d\n", memwords, halfwords );
  /*}}}  */

  while (1) {
    int k, j;
    float then, now;
    extern float second_();

    then=second_();
    for (k=0; k<1; k++ ) {
      /*{{{  set and check to i*/
      /* printf ("Setting memory[i] = i\n" ); */
      
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = i;
        }
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[i]) != i) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", i, &memory[i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  set and check to i, blitz copy, check copy*/
      /* printf ("Setting memory[i] = i, blitz_memcpy\n" ); */
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = i;
        }
        blitz_memcpy ( &memory[halfwords], memory, halfwords );
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[halfwords+i]) != i) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", halfwords+i,
               &memory[halfwords+i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  set and check to ~i, blitz copy, check copy*/
      /* printf ("Setting memory[i] = ~i, blitz_memcpy\n" ); */
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = ~i;
        }
        blitz_memcpy ( &memory[halfwords], memory, halfwords );
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[halfwords+i]) != ~i) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", halfwords+i,
               &memory[halfwords+i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  set and check to 0, blitz copy, check copy*/
      /* printf ("Setting memory[i] = 0, blitz_memcpy\n" ); */
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = 0;
        }
        blitz_memcpy ( &memory[halfwords], memory, halfwords );
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[halfwords+i]) != 0) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", halfwords+i,
               &memory[halfwords+i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  set and check to -1, blitz copy, check copy*/
      /* printf ("Setting memory[i] = -1, blitz_memcpy\n" ); */
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = -1;
        }
        blitz_memcpy ( &memory[halfwords], memory, halfwords );
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[halfwords+i]) != (-1)) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", halfwords+i,
               &memory[halfwords+i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  set and check to aa, blitz copy, check copy*/
      /* printf ("Setting memory[i] = 0xaa, blitz_memcpy\n" ); */
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = 0xaaaaaaaa;
        }
        blitz_memcpy ( &memory[halfwords], memory, halfwords );
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[halfwords+i]) != 0xaaaaaaaa) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", halfwords+i,
               &memory[halfwords+i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  set and check to 55, blitz copy, check copy*/
      /* printf ("Setting memory[i] = 0x55, blitz_memcpy\n" ); */
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = 0x55555555;
        }
        blitz_memcpy ( &memory[halfwords], memory, halfwords );
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[halfwords+i]) != 0x55555555) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", halfwords+i,
               &memory[halfwords+i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  set and check to adds 1, r16, r16, blitz copy, check copy*/
      /* printf ("Setting memory[i] = 0x96100001, blitz_memcpy\n" ); */
      for (j=0; j<6; j++ ) {
        for (i=0; i<halfwords; i++ ) {
          memory[i] = 0x96100001;
        }
        blitz_memcpy ( &memory[halfwords], memory, halfwords );
        for (i=0; i<halfwords; i++ ) {
          if ((t=memory[halfwords+i]) != 0x96100001) {
            printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", halfwords+i,
               &memory[halfwords+i], t );
          }
        }
      }
      /*}}}  */

      /*{{{  code test?*/
      /* printf ("Code fetch test, putting adds 1, r16, r16 into memory\n" ); */
      for (i=0; i<memwords; i++ ) {
        memory[i] = 0x96100001;             /* adds 1, r16, r16 */
      }
      for (i=0; i<memwords; i++ ) {
        if ((t = memory[i]) != 0x96100001) {
          printf ( "Mismatch at 0x%x (0x%x), got 0x%x\n", i,
             0x9610001, t );
        }
      }
      
      /* printf ("Patching bri r1 into penultimate location\n" ); */
      
      memory[memwords-2] = 0x40000800;    /* bri r1 */
      
      /* printf ("Calling data vector\n" ); */
      
      addemup = (ifptr) &memory[0];
      
      flush();
      
      for (j=0; j<6; j++ )
        t=(*addemup)(0);
      
      /* printf ("returned 0x%x, expected 0x%x\n", t, memwords-1 ); */
      
      /*}}}  */
    }
    now=second_();
    printf ("Done an iteration, %f seconds\n", now-then );
  }
}