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_r2_addu_ph.c (601B)

      1#include<stdio.h>
      2#include<assert.h>
      3
      4int main()
      5{
      6    int rd, rs, rt;
      7    int dsp;
      8    int result;
      9
     10    rs     = 0x00FF00FF;
     11    rt     = 0x00010001;
     12    result = 0x01000100;
     13    __asm
     14        ("addu.ph %0, %1, %2\n\t"
     15         : "=r"(rd)
     16         : "r"(rs), "r"(rt)
     17        );
     18    assert(rd == result);
     19
     20    rs     = 0xFFFF1111;
     21    rt     = 0x00020001;
     22    result = 0x00011112;
     23    __asm
     24        ("addu.ph %0, %2, %3\n\t"
     25         "rddsp %1\n\t"
     26         : "=r"(rd), "=r"(dsp)
     27         : "r"(rs), "r"(rt)
     28        );
     29    assert(rd == result);
     30    assert(((dsp >> 20) & 0x01) == 1);
     31
     32    return 0;
     33}