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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pack.c (469B)

      1#include <unistd.h>
      2
      3int main(void)
      4{
      5    char data[] = {0xaa, 0xaa, 0xf1, 0xf2, 0xf3, 0xc4, 0xaa, 0xaa};
      6    char exp[] = {0xaa, 0xaa, 0x00, 0x01, 0x23, 0x4c, 0xaa, 0xaa};
      7    int i;
      8
      9    asm volatile(
     10        "    pack 2(4,%[data]),2(4,%[data])\n"
     11        :
     12        : [data] "r" (&data[0])
     13        : "memory");
     14    for (i = 0; i < 8; i++) {
     15        if (data[i] != exp[i]) {
     16            write(1, "bad data\n", 9);
     17            return 1;
     18        }
     19    }
     20    return 0;
     21}