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_prepend.c (480B)

      1#include<stdio.h>
      2#include<assert.h>
      3
      4int main()
      5{
      6    int rs, rt;
      7    int result;
      8
      9    rs = 0x12345678;
     10    rt = 0x87654321;
     11    result = 0x87654321;
     12    __asm
     13        ("prepend %0, %1, 0x00\n\t"
     14         : "+r"(rt)
     15         : "r"(rs)
     16        );
     17    assert(rt == result);
     18
     19    rs = 0x12345678;
     20    rt = 0x87654321;
     21    result = 0xACF10ECA;
     22    __asm
     23        ("prepend %0, %1, 0x0F\n\t"
     24         : "+r"(rt)
     25         : "r"(rs)
     26        );
     27    assert(rt == result);
     28
     29    return 0;
     30}