LXR qemu/tests/tcg/mips/mips64-dsp/dextpdp.c

   1#include "io.h"
   2
   3int main(void)
   4{
   5    long long rt, dsp;
   6    long long achi, acli;
   7    long long res, resdsp, resdsppos;
   8    int rs;
   9    int tmp1, tmp2;
  10
  11    rs = 0xabcd1234;
  12
  13    achi = 0x12345678;
  14    acli = 0x87654321;
  15    res = 0xff;
  16    resdsp = 0x0;
  17    resdsppos = 0x2c;
  18
  19    __asm
  20        ("mthi %2, $ac1\n\t"
  21         "mtlo %3, $ac1\n\t"
  22         "wrdsp %4\n\t"
  23         "dextpdp %0, $ac1, 0x7\n\t"
  24         "rddsp %1\n\t"
  25         : "=r"(rt), "=r"(dsp)
  26         : "r"(achi), "r"(acli), "r"(rs)
  27        );
  28    tmp1 = (dsp >> 14) & 0x1;
  29    tmp2 = dsp & 0x3f;
  30
  31    if ((tmp1 != resdsp) || (rt != res) || (tmp2 != resdsppos)) {
  32        printf("dextpdp error\n");
  33        return -1;
  34    }
  35
  36    rs = 0xabcd1200;
  37
  38    achi = 0x12345678;
  39    acli = 0x87654321;
  40    resdsp = 0x1;
  41
  42    __asm
  43        ("mthi %2, $ac1\n\t"
  44         "mtlo %3, $ac1\n\t"
  45         "wrdsp %4\n\t"
  46         "dextpdp %0, $ac1, 0x7\n\t"
  47         "rddsp %1\n\t"
  48         : "=r"(rt), "=r"(dsp)
  49         : "r"(achi), "r"(acli), "r"(rs)
  50        );
  51    tmp1 = (dsp >> 14) & 0x1;
  52
  53    if (tmp1 != resdsp) {
  54        printf("dextpdp error\n");
  55        return -1;
  56    }
  57
  58    return 0;
  59}
  60