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

tcg-runtime.c (3383B)

      1/*
      2 * Tiny Code Generator for QEMU
      3 *
      4 * Copyright (c) 2008 Fabrice Bellard
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a copy
      7 * of this software and associated documentation files (the "Software"), to deal
      8 * in the Software without restriction, including without limitation the rights
      9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10 * copies of the Software, and to permit persons to whom the Software is
     11 * furnished to do so, subject to the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be included in
     14 * all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22 * THE SOFTWARE.
     23 */
     24#include "qemu/osdep.h"
     25#include "qemu/host-utils.h"
     26#include "cpu.h"
     27#include "exec/helper-proto.h"
     28#include "exec/cpu_ldst.h"
     29#include "exec/exec-all.h"
     30#include "disas/disas.h"
     31#include "exec/log.h"
     32#include "tcg/tcg.h"
     33
     34/* 32-bit helpers */
     35
     36int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
     37{
     38    return arg1 / arg2;
     39}
     40
     41int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
     42{
     43    return arg1 % arg2;
     44}
     45
     46uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
     47{
     48    return arg1 / arg2;
     49}
     50
     51uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
     52{
     53    return arg1 % arg2;
     54}
     55
     56/* 64-bit helpers */
     57
     58uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
     59{
     60    return arg1 << arg2;
     61}
     62
     63uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
     64{
     65    return arg1 >> arg2;
     66}
     67
     68int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
     69{
     70    return arg1 >> arg2;
     71}
     72
     73int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
     74{
     75    return arg1 / arg2;
     76}
     77
     78int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
     79{
     80    return arg1 % arg2;
     81}
     82
     83uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
     84{
     85    return arg1 / arg2;
     86}
     87
     88uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
     89{
     90    return arg1 % arg2;
     91}
     92
     93uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
     94{
     95    uint64_t l, h;
     96    mulu64(&l, &h, arg1, arg2);
     97    return h;
     98}
     99
    100int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
    101{
    102    uint64_t l, h;
    103    muls64(&l, &h, arg1, arg2);
    104    return h;
    105}
    106
    107uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
    108{
    109    return arg ? clz32(arg) : zero_val;
    110}
    111
    112uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
    113{
    114    return arg ? ctz32(arg) : zero_val;
    115}
    116
    117uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
    118{
    119    return arg ? clz64(arg) : zero_val;
    120}
    121
    122uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
    123{
    124    return arg ? ctz64(arg) : zero_val;
    125}
    126
    127uint32_t HELPER(clrsb_i32)(uint32_t arg)
    128{
    129    return clrsb32(arg);
    130}
    131
    132uint64_t HELPER(clrsb_i64)(uint64_t arg)
    133{
    134    return clrsb64(arg);
    135}
    136
    137uint32_t HELPER(ctpop_i32)(uint32_t arg)
    138{
    139    return ctpop32(arg);
    140}
    141
    142uint64_t HELPER(ctpop_i64)(uint64_t arg)
    143{
    144    return ctpop64(arg);
    145}
    146
    147void HELPER(exit_atomic)(CPUArchState *env)
    148{
    149    cpu_loop_exit_atomic(env_cpu(env), GETPC());
    150}