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_r5900_mtlohi1.c (995B)

      1/*
      2 * Test R5900-specific MTLO1 and MTHI1.
      3 */
      4
      5#include <stdio.h>
      6#include <inttypes.h>
      7#include <assert.h>
      8
      9int main()
     10{
     11    int32_t tlo  = 12207031, thi  = 305175781;
     12    int32_t tlo1 = 32452867, thi1 = 49979687;
     13    int32_t flo, fhi, flo1, fhi1;
     14
     15    /* Test both LO/HI and LO1/HI1 to verify separation. */
     16    __asm__ __volatile__ (
     17            "    mtlo  %4\n"
     18            "    mthi  %5\n"
     19            "    mtlo1 %6\n"
     20            "    mthi1 %7\n"
     21            "    move  %0, $0\n"
     22            "    move  %1, $0\n"
     23            "    move  %2, $0\n"
     24            "    move  %3, $0\n"
     25            "    mflo  %0\n"
     26            "    mfhi  %1\n"
     27            "    mflo1 %2\n"
     28            "    mfhi1 %3\n"
     29            : "=r" (flo),  "=r" (fhi),
     30              "=r" (flo1), "=r" (fhi1)
     31            : "r" (tlo),  "r" (thi),
     32              "r" (tlo1), "r" (thi1));
     33
     34    assert(flo  == 12207031);
     35    assert(fhi  == 305175781);
     36    assert(flo1 == 32452867);
     37    assert(fhi1 == 49979687);
     38
     39    return 0;
     40}