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-i386-shift.h (4861B)


      1
      2#define exec_op glue(exec_, OP)
      3#define exec_opq glue(glue(exec_, OP), q)
      4#define exec_opl glue(glue(exec_, OP), l)
      5#define exec_opw glue(glue(exec_, OP), w)
      6#define exec_opb glue(glue(exec_, OP), b)
      7
      8#ifndef OP_SHIFTD
      9
     10#ifdef OP_NOBYTE
     11#define EXECSHIFT(size, rsize, res, s1, s2, flags) \
     12    asm ("push %4\n\t"\
     13         "popf\n\t"\
     14         stringify(OP) size " %" rsize "2, %" rsize "0\n\t" \
     15         "pushf\n\t"\
     16         "pop %1\n\t"\
     17         : "=g" (res), "=g" (flags)\
     18         : "r" (s1), "0" (res), "1" (flags));
     19#else
     20#define EXECSHIFT(size, rsize, res, s1, s2, flags) \
     21    asm ("push %4\n\t"\
     22         "popf\n\t"\
     23         stringify(OP) size " %%cl, %" rsize "0\n\t" \
     24         "pushf\n\t"\
     25         "pop %1\n\t"\
     26         : "=q" (res), "=g" (flags)\
     27         : "c" (s1), "0" (res), "1" (flags));
     28#endif
     29
     30#if defined(__x86_64__)
     31void exec_opq(long s2, long s0, long s1, long iflags)
     32{
     33    long res, flags;
     34    res = s0;
     35    flags = iflags;
     36    EXECSHIFT("q", "", res, s1, s2, flags);
     37    /* overflow is undefined if count != 1 */
     38    if (s1 != 1)
     39      flags &= ~CC_O;
     40    printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
     41           stringify(OP) "q", s0, s1, res, iflags, flags & CC_MASK);
     42}
     43#endif
     44
     45void exec_opl(long s2, long s0, long s1, long iflags)
     46{
     47    long res, flags;
     48    res = s0;
     49    flags = iflags;
     50    EXECSHIFT("l", "k", res, s1, s2, flags);
     51    /* overflow is undefined if count != 1 */
     52    if (s1 != 1)
     53      flags &= ~CC_O;
     54    printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
     55           stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
     56}
     57
     58void exec_opw(long s2, long s0, long s1, long iflags)
     59{
     60    long res, flags;
     61    res = s0;
     62    flags = iflags;
     63    EXECSHIFT("w", "w", res, s1, s2, flags);
     64    /* overflow is undefined if count != 1 */
     65    if (s1 != 1)
     66      flags &= ~CC_O;
     67    printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
     68           stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
     69}
     70
     71#else
     72#define EXECSHIFT(size, rsize, res, s1, s2, flags) \
     73    asm ("push %4\n\t"\
     74         "popf\n\t"\
     75         stringify(OP) size " %%cl, %" rsize "5, %" rsize "0\n\t" \
     76         "pushf\n\t"\
     77         "pop %1\n\t"\
     78         : "=g" (res), "=g" (flags)\
     79         : "c" (s1), "0" (res), "1" (flags), "r" (s2));
     80
     81#if defined(__x86_64__)
     82void exec_opq(long s2, long s0, long s1, long iflags)
     83{
     84    long res, flags;
     85    res = s0;
     86    flags = iflags;
     87    EXECSHIFT("q", "", res, s1, s2, flags);
     88    /* overflow is undefined if count != 1 */
     89    if (s1 != 1)
     90      flags &= ~CC_O;
     91    printf("%-10s A=" FMTLX " B=" FMTLX " C=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
     92           stringify(OP) "q", s0, s2, s1, res, iflags, flags & CC_MASK);
     93}
     94#endif
     95
     96void exec_opl(long s2, long s0, long s1, long iflags)
     97{
     98    long res, flags;
     99    res = s0;
    100    flags = iflags;
    101    EXECSHIFT("l", "k", res, s1, s2, flags);
    102    /* overflow is undefined if count != 1 */
    103    if (s1 != 1)
    104      flags &= ~CC_O;
    105    printf("%-10s A=" FMTLX " B=" FMTLX " C=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
    106           stringify(OP) "l", s0, s2, s1, res, iflags, flags & CC_MASK);
    107}
    108
    109void exec_opw(long s2, long s0, long s1, long iflags)
    110{
    111    long res, flags;
    112    res = s0;
    113    flags = iflags;
    114    EXECSHIFT("w", "w", res, s1, s2, flags);
    115    /* overflow is undefined if count != 1 */
    116    if (s1 != 1)
    117      flags &= ~CC_O;
    118    printf("%-10s A=" FMTLX " B=" FMTLX " C=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
    119           stringify(OP) "w", s0, s2, s1, res, iflags, flags & CC_MASK);
    120}
    121
    122#endif
    123
    124#ifndef OP_NOBYTE
    125void exec_opb(long s0, long s1, long iflags)
    126{
    127    long res, flags;
    128    res = s0;
    129    flags = iflags;
    130    EXECSHIFT("b", "b", res, s1, 0, flags);
    131    /* overflow is undefined if count != 1 */
    132    if (s1 != 1)
    133      flags &= ~CC_O;
    134    printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n",
    135           stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
    136}
    137#endif
    138
    139void exec_op(long s2, long s0, long s1)
    140{
    141    s2 = i2l(s2);
    142    s0 = i2l(s0);
    143#if defined(__x86_64__)
    144    exec_opq(s2, s0, s1, 0);
    145#endif
    146    exec_opl(s2, s0, s1, 0);
    147#ifdef OP_SHIFTD
    148    exec_opw(s2, s0, s1, 0);
    149#else
    150    exec_opw(s2, s0, s1, 0);
    151#endif
    152#ifndef OP_NOBYTE
    153    exec_opb(s0, s1, 0);
    154#endif
    155#ifdef OP_CC
    156#if defined(__x86_64__)
    157    exec_opq(s2, s0, s1, CC_C);
    158#endif
    159    exec_opl(s2, s0, s1, CC_C);
    160    exec_opw(s2, s0, s1, CC_C);
    161    exec_opb(s0, s1, CC_C);
    162#endif
    163}
    164
    165void glue(test_, OP)(void)
    166{
    167    int i, n;
    168#if defined(__x86_64__)
    169    n = 64;
    170#else
    171    n = 32;
    172#endif
    173    for(i = 0; i < n; i++)
    174        exec_op(0x21ad3d34, 0x12345678, i);
    175    for(i = 0; i < n; i++)
    176        exec_op(0x813f3421, 0x82345679, i);
    177}
    178
    179void *glue(_test_, OP) __init_call = glue(test_, OP);
    180
    181#undef OP
    182#undef OP_CC
    183#undef OP_SHIFTD
    184#undef OP_NOBYTE
    185#undef EXECSHIFT