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_lts.c (1568B)

      1#include <stdio.h>
      2
      3int main(void)
      4{
      5    int a;
      6    float b, c, d;
      7    int result;
      8
      9    a = 0;
     10    b = 124.5;
     11    c = 1.4;
     12    result = 1;
     13    __asm
     14    ("lfltd:\n\t"
     15     "l.addi    %0, %0, 0x1\n\t"
     16     "lf.sflt.s %1, %2\n\t"
     17     "l.bf      lfltd\n\t"
     18     "l.nop\n\t"
     19     : "+r"(a)
     20     : "r"(b), "r"(c)
     21    );
     22    if (a != result) {
     23        printf("lf.sflt.s error\n");
     24        return -1;
     25    }
     26
     27    a = 0;
     28    b = 11.1;
     29    c = 13.1;
     30    d = 1.0;
     31    result = 2;
     32    __asm
     33    ("1:\n\t"
     34     "lf.add.s  %1, %1, %3\n\t"
     35     "l.addi    %0, %0, 1\n\t"
     36     "lf.sflt.s %1, %2\n\t"
     37     "l.bf      1b\n\t"
     38     "l.nop\n\t"
     39     : "+r"(a)
     40     : "r"(b), "r"(c), "r"(d)
     41    );
     42    if (a != result) {
     43        printf("lf.sflt.s error\n");
     44        return -1;
     45    }
     46
     47/*    int a;
     48    double b, c;
     49    int result;
     50
     51    a = 0;
     52    b = 1432.1;
     53    c = 2.4;
     54    result = 0x1;
     55    __asm
     56    ("lfltd:\n\t"
     57     "l.addi    %0, %0, 0x1\n\t"
     58     "lf.sflt.d %1, %2\n\t"
     59     "l.bf      lfltd\n\t"
     60     "l.nop\n\t"
     61     : "+r"(a)
     62     : "r"(b), "r"(c)
     63    );
     64    if (a != result) {
     65        printf("lf.sflt.d error\n");
     66        return -1;
     67    }
     68
     69    a = 0;
     70    b = 1.1;
     71    c = 19.7;
     72    result = 2;
     73    __asm
     74    ("lf.sflt.d %1, %2\n\t"
     75     "l.bf      1f\n\t"
     76     "l.nop\n\t"
     77     "l.addi %0, %0, 1\n\t"
     78     "l.addi %0, %0, 1\n\t"
     79     "l.addi %0, %0, 1\n\t"
     80     "1:\n\t"
     81     "l.addi %0, %0, 1\n\t"
     82     "l.addi %0, %0, 1\n\t"
     83     : "+r"(a), "+r"(b)
     84     : "r"(c)
     85    );
     86    if (a != result) {
     87        printf("lf.sflt.d error\n");
     88        return -1;
     89    }*/
     90
     91    return 0;
     92}