cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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test_dsp_r1_shllv_qb.c (700B)

      1#include<stdio.h>
      2#include<assert.h>
      3
      4int main()
      5{
      6    int rd, rs, rt, dsp;
      7    int result, resultdsp;
      8
      9    rs     = 0x03;
     10    rt     = 0x87654321;
     11    result = 0x38281808;
     12    resultdsp = 0x01;
     13
     14    __asm
     15        ("shllv.qb %0, %2, %3\n\t"
     16         "rddsp   %1\n\t"
     17         : "=r"(rd), "=r"(dsp)
     18         : "r"(rt), "r"(rs)
     19        );
     20    dsp = (dsp >> 22) & 0x01;
     21    assert(rd == result);
     22
     23    rs     = 0x00;
     24    rt     = 0x87654321;
     25    result = 0x87654321;
     26    resultdsp = 0x01;
     27
     28    __asm
     29        ("shllv.qb %0, %2, %3\n\t"
     30         "rddsp   %1\n\t"
     31         : "=r"(rd), "=r"(dsp)
     32         : "r"(rt), "r"(rs)
     33        );
     34    dsp = (dsp >> 22) & 0x01;
     35    assert(rd == result);
     36
     37    return 0;
     38}