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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mfrom_table_gen.c (660B)

      1#define _GNU_SOURCE
      2#include "qemu/osdep.h"
      3#include <math.h>
      4
      5int main(void)
      6{
      7    double d;
      8    uint8_t n;
      9    int i;
     10
     11    printf("static const uint8_t mfrom_ROM_table[602] =\n{\n    ");
     12    for (i = 0; i < 602; i++) {
     13        /*
     14         * Extremely decomposed:
     15         *                    -T0 / 256
     16         * T0 = 256 * log10(10          + 1.0) + 0.5
     17         */
     18        d = -i;
     19        d /= 256.0;
     20        d = exp10(d);
     21        d += 1.0;
     22        d = log10(d);
     23        d *= 256;
     24        d += 0.5;
     25        n = d;
     26        printf("%3d, ", n);
     27        if ((i & 7) == 7) {
     28            printf("\n    ");
     29        }
     30    }
     31    printf("\n};\n");
     32
     33    return 0;
     34}