qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

test_dsp_r1_shll_qb.c (1068B)

      1 #include<stdio.h>
      2 #include<assert.h>
      3 
      4 int main()
      5 {
      6     int rd, rt, dsp;
      7     int result, resultdsp;
      8 
      9     rt     = 0x87654321;
     10     result  = 0x87654321;
     11     resultdsp = 0x00;
     12 
     13     __asm
     14         ("wrdsp $0\n\t"
     15          "shll.qb %0, %2, 0x00\n\t"
     16          "rddsp   %1\n\t"
     17          : "=r"(rd), "=r"(dsp)
     18          : "r"(rt)
     19         );
     20     dsp = (dsp >> 22) & 0x01;
     21     assert(dsp == resultdsp);
     22     assert(rd == result);
     23 
     24     rt     = 0x87654321;
     25     result = 0x38281808;
     26     resultdsp = 0x01;
     27 
     28     __asm
     29         ("wrdsp $0\n\t"
     30          "shll.qb %0, %2, 0x03\n\t"
     31          "rddsp   %1\n\t"
     32          : "=r"(rd), "=r"(dsp)
     33          : "r"(rt)
     34         );
     35     dsp = (dsp >> 22) & 0x01;
     36     assert(dsp == resultdsp);
     37     assert(rd == result);
     38 
     39     rt     = 0x00000001;
     40     result = 0x00000080;
     41     resultdsp = 0x00;
     42 
     43     __asm
     44         ("wrdsp $0\n\t"
     45          "shll.qb %0, %2, 0x07\n\t"
     46          "rddsp   %1\n\t"
     47          : "=r"(rd), "=r"(dsp)
     48          : "r"(rt)
     49         );
     50     dsp = (dsp >> 22) & 0x01;
     51     assert(dsp == resultdsp);
     52     assert(rd == result);
     53 
     54     return 0;
     55 }