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

op_addsub.h (1841B)

      1/*
      2 * ARMv6 integer SIMD operations.
      3 *
      4 * Copyright (c) 2007 CodeSourcery.
      5 * Written by Paul Brook
      6 *
      7 * This code is licensed under the GPL.
      8 */
      9
     10#ifdef ARITH_GE
     11#define GE_ARG , void *gep
     12#define DECLARE_GE uint32_t ge = 0
     13#define SET_GE *(uint32_t *)gep = ge
     14#else
     15#define GE_ARG
     16#define DECLARE_GE do{}while(0)
     17#define SET_GE do{}while(0)
     18#endif
     19
     20#define RESULT(val, n, width) \
     21    res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width)
     22
     23uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG)
     24{
     25    uint32_t res = 0;
     26    DECLARE_GE;
     27
     28    ADD16(a, b, 0);
     29    ADD16(a >> 16, b >> 16, 1);
     30    SET_GE;
     31    return res;
     32}
     33
     34uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG)
     35{
     36    uint32_t res = 0;
     37    DECLARE_GE;
     38
     39    ADD8(a, b, 0);
     40    ADD8(a >> 8, b >> 8, 1);
     41    ADD8(a >> 16, b >> 16, 2);
     42    ADD8(a >> 24, b >> 24, 3);
     43    SET_GE;
     44    return res;
     45}
     46
     47uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG)
     48{
     49    uint32_t res = 0;
     50    DECLARE_GE;
     51
     52    SUB16(a, b, 0);
     53    SUB16(a >> 16, b >> 16, 1);
     54    SET_GE;
     55    return res;
     56}
     57
     58uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG)
     59{
     60    uint32_t res = 0;
     61    DECLARE_GE;
     62
     63    SUB8(a, b, 0);
     64    SUB8(a >> 8, b >> 8, 1);
     65    SUB8(a >> 16, b >> 16, 2);
     66    SUB8(a >> 24, b >> 24, 3);
     67    SET_GE;
     68    return res;
     69}
     70
     71uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG)
     72{
     73    uint32_t res = 0;
     74    DECLARE_GE;
     75
     76    ADD16(a, b >> 16, 0);
     77    SUB16(a >> 16, b, 1);
     78    SET_GE;
     79    return res;
     80}
     81
     82uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG)
     83{
     84    uint32_t res = 0;
     85    DECLARE_GE;
     86
     87    SUB16(a, b >> 16, 0);
     88    ADD16(a >> 16, b, 1);
     89    SET_GE;
     90    return res;
     91}
     92
     93#undef GE_ARG
     94#undef DECLARE_GE
     95#undef SET_GE
     96#undef RESULT
     97
     98#undef ARITH_GE
     99#undef PFX
    100#undef ADD16
    101#undef SUB16
    102#undef ADD8
    103#undef SUB8