/* * 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 . */ #ifndef ARM_LDST_H #define ARM_LDST_H #include "exec/translator.h" #include "qemu/bswap.h" #include /* 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) { TCGContext *tcg_ctx = env->uc->tcg_ctx; return translator_ldl_swap(tcg_ctx, env, addr, bswap_code(sctlr_b)); } /* Ditto, for a halfword (Thumb) instruction */ static inline uint16_t arm_lduw_code(CPUARMState *env, target_ulong addr, bool sctlr_b) { TCGContext *tcg_ctx = env->uc->tcg_ctx; /* In big-endian (BE32) mode, adjacent Thumb instructions have been swapped within each word. Undo that now. */ // Unicorn: Note that we don't have any loader so this patch makes no sense. // And sctlr_b is 0 in aarch64. // if (sctlr_b) { // addr ^= 2; // } return translator_lduw_swap(tcg_ctx, env, addr, bswap_code(sctlr_b)); } #endif