LXR qemu/target-arm/arm

   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 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/exec-all.h"
  24#include "exec/cpu_ldst.h"
  25#include "qemu/bswap.h"
  26
  27/* Load an instruction and return it in the standard little-endian order */
  28static inline uint32_t arm_ldl_code(CPUARMState *env, target_ulong addr,
  29                                    bool sctlr_b)
  30{
  31    uint32_t insn = cpu_ldl_code(env, addr);
  32    if (bswap_code(sctlr_b)) {
  33        return bswap32(insn);
  34    }
  35    return insn;
  36}
  37
  38/* Ditto, for a halfword (Thumb) instruction */
  39static inline uint16_t arm_lduw_code(CPUARMState *env, target_ulong addr,
  40                                     bool sctlr_b)
  41{
  42    uint16_t insn = cpu_lduw_code(env, addr);
  43    if (bswap_code(sctlr_b)) {
  44        return bswap16(insn);
  45    }
  46    return insn;
  47}
  48
  49#endif
  50