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_shilov.c (879B)

      1#include<stdio.h>
      2#include<assert.h>
      3
      4int main()
      5{
      6    int rs, ach, acl;
      7    int resulth, resultl;
      8
      9    rs  = 0x0F;
     10    ach = 0xBBAACCFF;
     11    acl = 0x1C3B001D;
     12
     13    resulth = 0x17755;
     14    resultl = 0x99fe3876;
     15
     16    __asm
     17        ("mthi %0, $ac1\n\t"
     18         "mtlo %1, $ac1\n\t"
     19         "shilov $ac1, %2\n\t"
     20         "mfhi %0, $ac1\n\t"
     21         "mflo %1, $ac1\n\t"
     22         : "+r"(ach), "+r"(acl)
     23         : "r"(rs)
     24        );
     25    assert(ach == resulth);
     26    assert(acl == resultl);
     27
     28
     29    rs  = 0xffffffff;
     30    ach = 0x1;
     31    acl = 0x80000000;
     32
     33    resulth = 0x3;
     34    resultl = 0x0;
     35
     36    __asm
     37        ("mthi %0, $ac1\n\t"
     38         "mtlo %1, $ac1\n\t"
     39         "shilov $ac1, %2\n\t"
     40         "mfhi %0, $ac1\n\t"
     41         "mflo %1, $ac1\n\t"
     42         : "+r"(ach), "+r"(acl)
     43         : "r"(rs)
     44        );
     45    assert(ach == resulth);
     46    assert(acl == resultl);
     47
     48    return 0;
     49}