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_addqh_w.c (520B)

      1#include<stdio.h>
      2#include<assert.h>
      3
      4int main()
      5{
      6    int rd, rs, rt;
      7    int result;
      8
      9    rs     = 0x00000010;
     10    rt     = 0x00000001;
     11    result = 0x00000008;
     12
     13    __asm
     14        ("addqh.w  %0, %1, %2\n\t"
     15         : "=r"(rd)
     16         : "r"(rs), "r"(rt)
     17        );
     18
     19    assert(rd == result);
     20
     21    rs     = 0xFFFFFFFE;
     22    rt     = 0x00000001;
     23    result = 0xFFFFFFFF;
     24
     25    __asm
     26        ("addqh.w  %0, %1, %2\n\t"
     27         : "=r"(rd)
     28         : "r"(rs), "r"(rt)
     29        );
     30
     31    assert(rd == result);
     32
     33    return 0;
     34}