/* * ARM load/store instructions for code (armeb-user support) * * Copyright (c) 2012 CodeSourcery, LLC * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef ARM_LDST_H #define ARM_LDST_H #include "exec/exec-all.h" #include "exec/cpu_ldst.h" #include "qemu/bswap.h" /* Load an instruction and return it in the standard little-endian order */ static inline uint32_t arm_ldl_code(CPUARMState *env, target_ulong addr, bool sctlr_b) { uint32_t insn = cpu_ldl_code(env, addr); if (bswap_code(sctlr_b)) { return bswap32(insn); } return insn; } /* Ditto, for a halfword (Thumb) instruction */ static inline uint16_t arm_lduw_code(CPUARMState *env, target_ulong addr, bool sctlr_b) { uint16_t insn; #ifndef CONFIG_USER_ONLY /* In big-endian (BE32) mode, adjacent Thumb instructions have been swapped within each word. Undo that now. */ if (sctlr_b) { addr ^= 2; } #endif insn = cpu_lduw_code(env, addr); if (bswap_code(sctlr_b)) { return bswap16(insn); } return insn; } #endif