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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arm_ldst.h (1644B)

      1/*
      2 * ARM load/store instructions for code (armeb-user support)
      3 *
      4 *  Copyright (c) 2012 CodeSourcery, LLC
      5 *
      6 * This library is free software; you can redistribute it and/or
      7 * modify it under the terms of the GNU Lesser General Public
      8 * License as published by the Free Software Foundation; either
      9 * version 2.1 of the License, or (at your option) any later version.
     10 *
     11 * This library is distributed in the hope that it will be useful,
     12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 * Lesser General Public License for more details.
     15 *
     16 * You should have received a copy of the GNU Lesser General Public
     17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
     18 */
     19
     20#ifndef ARM_LDST_H
     21#define ARM_LDST_H
     22
     23#include "exec/translator.h"
     24#include "qemu/bswap.h"
     25
     26/* Load an instruction and return it in the standard little-endian order */
     27static inline uint32_t arm_ldl_code(CPUARMState *env, DisasContextBase *s,
     28                                    target_ulong addr, bool sctlr_b)
     29{
     30    return translator_ldl_swap(env, s, addr, bswap_code(sctlr_b));
     31}
     32
     33/* Ditto, for a halfword (Thumb) instruction */
     34static inline uint16_t arm_lduw_code(CPUARMState *env, DisasContextBase* s,
     35                                     target_ulong addr, bool sctlr_b)
     36{
     37#ifndef CONFIG_USER_ONLY
     38    /* In big-endian (BE32) mode, adjacent Thumb instructions have been swapped
     39       within each word.  Undo that now.  */
     40    if (sctlr_b) {
     41        addr ^= 2;
     42    }
     43#endif
     44    return translator_lduw_swap(env, s, addr, bswap_code(sctlr_b));
     45}
     46
     47#endif