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-shift128.c (5613B)

      1/*
      2 * Test unsigned left and right shift
      3 *
      4 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
      5 * See the COPYING.LIB file in the top-level directory.
      6 *
      7 */
      8
      9#include "qemu/osdep.h"
     10#include "qemu/host-utils.h"
     11
     12typedef struct {
     13    uint64_t low;
     14    uint64_t high;
     15    uint64_t rlow;
     16    uint64_t rhigh;
     17    int32_t shift;
     18    bool overflow;
     19} test_data;
     20
     21static const test_data test_ltable[] = {
     22    { 0x4C7ULL, 0x0ULL, 0x00000000000004C7ULL,
     23      0x0000000000000000ULL,   0, false },
     24    { 0x001ULL, 0x0ULL, 0x0000000000000002ULL,
     25      0x0000000000000000ULL,   1, false },
     26    { 0x001ULL, 0x0ULL, 0x0000000000000004ULL,
     27      0x0000000000000000ULL,   2, false },
     28    { 0x001ULL, 0x0ULL, 0x0000000000000010ULL,
     29      0x0000000000000000ULL,   4, false },
     30    { 0x001ULL, 0x0ULL, 0x0000000000000100ULL,
     31      0x0000000000000000ULL,   8, false },
     32    { 0x001ULL, 0x0ULL, 0x0000000000010000ULL,
     33      0x0000000000000000ULL,  16, false },
     34    { 0x001ULL, 0x0ULL, 0x0000000080000000ULL,
     35      0x0000000000000000ULL,  31, false },
     36    { 0x001ULL, 0x0ULL, 0x0000200000000000ULL,
     37      0x0000000000000000ULL,  45, false },
     38    { 0x001ULL, 0x0ULL, 0x1000000000000000ULL,
     39      0x0000000000000000ULL,  60, false },
     40    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     41      0x0000000000000001ULL,  64, false },
     42    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     43      0x0000000000010000ULL,  80, false },
     44    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     45      0x8000000000000000ULL, 127, false },
     46    { 0x000ULL, 0x1ULL, 0x0000000000000000ULL,
     47      0x0000000000000000ULL,  64,  true },
     48    { 0x008ULL, 0x0ULL, 0x0000000000000000ULL,
     49      0x0000000000000008ULL,  64, false },
     50    { 0x008ULL, 0x0ULL, 0x0000000000000000ULL,
     51      0x8000000000000000ULL, 124, false },
     52    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     53      0x4000000000000000ULL, 126, false },
     54    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     55      0x8000000000000000ULL, 127, false },
     56    { 0x001ULL, 0x0ULL, 0x0000000000000001ULL,
     57      0x0000000000000000ULL, 128,  false },
     58    { 0x000ULL, 0x0ULL, 0x0000000000000000ULL,
     59      0x0000000000000000ULL, 200, false },
     60    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     61      0x0000000000000100ULL, 200,  false },
     62    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     63      0x8000000000000000ULL,  -1, false },
     64    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     65      0x8000000000000000ULL, INT32_MAX, false },
     66    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     67      0x4000000000000000ULL,  -2, false },
     68    { 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
     69      0x4000000000000000ULL, INT32_MAX - 1, false },
     70    { 0x8888888888888888ULL, 0x9999999999999999ULL,
     71      0x8000000000000000ULL, 0x9888888888888888ULL, 60, true },
     72    { 0x8888888888888888ULL, 0x9999999999999999ULL,
     73      0x0000000000000000ULL, 0x8888888888888888ULL, 64, true },
     74};
     75
     76static const test_data test_rtable[] = {
     77    { 0x00000000000004C7ULL, 0x0ULL, 0x00000000000004C7ULL, 0x0ULL,  0, false },
     78    { 0x0800000000000000ULL, 0x0ULL, 0x0400000000000000ULL, 0x0ULL,  1, false },
     79    { 0x0800000000000000ULL, 0x0ULL, 0x0200000000000000ULL, 0x0ULL,  2, false },
     80    { 0x0800000000000000ULL, 0x0ULL, 0x0008000000000000ULL, 0x0ULL,  8, false },
     81    { 0x0800000000000000ULL, 0x0ULL, 0x0000080000000000ULL, 0x0ULL, 16, false },
     82    { 0x0800000000000000ULL, 0x0ULL, 0x0000000008000000ULL, 0x0ULL, 32, false },
     83    { 0x8000000000000000ULL, 0x0ULL, 0x0000000000000001ULL, 0x0ULL, 63, false },
     84    { 0x8000000000000000ULL, 0x0ULL, 0x0000000000000000ULL, 0x0ULL, 64, false },
     85    { 0x0000000000000000ULL, 0x8000000000000000ULL,
     86      0x0000000000000000ULL, 0x8000000000000000ULL, 128, false },
     87    { 0x0000000000000000ULL, 0x8000000000000000ULL,
     88      0x0080000000000000ULL, 0x0000000000000000ULL, 200, false },
     89    { 0x0000000000000000ULL, 0x0000000000000000ULL,
     90      0x0000000000000000ULL, 0x0000000000000000ULL, 200, false },
     91    { 0x0000000000000000ULL, 0x8000000000000000ULL,
     92      0x0000000000000000ULL, 0x0000000000000080ULL, -200, false },
     93    { 0x8000000000000000ULL, 0x8000000000000000ULL,
     94      0x0000000080000000ULL, 0x0000000080000000ULL, 32, false },
     95    { 0x0800000000000000ULL, 0x0800000000000000ULL,
     96      0x0800000000000000ULL, 0x0000000000000000ULL, 64, false },
     97    { 0x0800000000000000ULL, 0x0800000000000000ULL,
     98      0x0008000000000000ULL, 0x0000000000000000ULL, 72, false },
     99    { 0x8000000000000000ULL, 0x8000000000000000ULL,
    100      0x0000000000000001ULL, 0x0000000000000000ULL, 127, false },
    101    { 0x0000000000000000ULL, 0x8000000000000000ULL,
    102      0x0000000000000001ULL, 0x0000000000000000ULL, -1, false },
    103    { 0x0000000000000000ULL, 0x8000000000000000ULL,
    104      0x0000000000000002ULL, 0x0000000000000000ULL, -2, false },
    105};
    106
    107static void test_lshift(void)
    108{
    109    int i;
    110
    111    for (i = 0; i < ARRAY_SIZE(test_ltable); ++i) {
    112        bool overflow = false;
    113        test_data tmp = test_ltable[i];
    114        ulshift(&tmp.low, &tmp.high, tmp.shift, &overflow);
    115        g_assert_cmpuint(tmp.low, ==, tmp.rlow);
    116        g_assert_cmpuint(tmp.high, ==, tmp.rhigh);
    117        g_assert_cmpuint(tmp.overflow, ==, overflow);
    118    }
    119}
    120
    121static void test_rshift(void)
    122{
    123    int i;
    124
    125    for (i = 0; i < ARRAY_SIZE(test_rtable); ++i) {
    126        test_data tmp = test_rtable[i];
    127        urshift(&tmp.low, &tmp.high, tmp.shift);
    128        g_assert_cmpuint(tmp.low, ==, tmp.rlow);
    129        g_assert_cmpuint(tmp.high, ==, tmp.rhigh);
    130    }
    131}
    132
    133int main(int argc, char **argv)
    134{
    135    g_test_init(&argc, &argv, NULL);
    136    g_test_add_func("/host-utils/test_lshift", test_lshift);
    137    g_test_add_func("/host-utils/test_rshift", test_rshift);
    138    return g_test_run();
    139}