cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

test_lf_les.c (1527B)

      1#include <stdio.h>
      2
      3int main(void)
      4{
      5    int a;
      6    float b, c;
      7    int result;
      8
      9    a = 0;
     10    b = 1234.2;
     11    c = 12.4;
     12    result = 0x1;
     13    __asm
     14    ("lfles:\n\t"
     15     "l.addi    %0, %0, 0x1\n\t"
     16     "lf.sfle.s %1, %2\n\t"
     17     "l.bf      lfles\n\t"
     18     "l.nop\n\t"
     19     : "+r"(a)
     20     : "r"(b), "r"(c)
     21    );
     22    if (a != result) {
     23        printf("lf.sfle.s error\n");
     24        return -1;
     25    }
     26
     27    b = 1.1;
     28    c = 19.4;
     29    result = 0x3;
     30    __asm
     31    ("l.addi    %0, %0, 0x1\n\t"
     32     "l.addi    %0, %0, 0x1\n\t"
     33     "lf.sfle.s %1, %2\n\t"
     34     "l.bf      1f\n\t"
     35     "l.nop\n\t"
     36     "l.addi    %0, %0, 0x1\n\t"
     37     "l.addi    %0, %0, 0x1\n\t"
     38     "1:\n\t"
     39     : "+r"(a)
     40     : "r"(b), "r"(c)
     41    );
     42    if (a != result) {
     43        printf("lf.sfle.s error\n");
     44        return -1;
     45    }
     46
     47/*    int a;
     48    double b, c;
     49    int result;
     50
     51    a = 0;
     52    b = 1212.5;
     53    c = 123.5;
     54    result = 0x1;
     55    __asm
     56    ("lfled:\n\t"
     57     "l.addi    %0, %0, 0x1\n\t"
     58     "lf.sfle.d %1, %2\n\t"
     59     "l.bf      lfled\n\t"
     60     "l.nop\n\t"
     61     : "+r"(a)
     62     : "r"(b), "r"(c)
     63    );
     64    if (a != result) {
     65        printf("lf.sfle.d error\n");
     66        return -1;
     67    }
     68
     69    b = 13.5;
     70    c = 113.5;
     71    result = 0x2;
     72    __asm
     73    ("l.addi    %0, %0, 0x1\n\t"
     74     "lf.sfle.d %1, %2\n\t"
     75     "l.bf      1f\n\t"
     76     "l.nop\n\t"
     77     "l.addi    %0, %0, 0x1\n\t"
     78     "1:\n\t"
     79     : "+r"(a)
     80     : "r"(b), "r"(c)
     81    );
     82    if (a != result) {
     83        printf("lf.sfle.d error\n");
     84        return -1;
     85    }*/
     86
     87    return 0;
     88}