11d854765SPaolo Bonzini /* 21d854765SPaolo Bonzini * ARM load/store instructions for code (armeb-user support) 31d854765SPaolo Bonzini * 41d854765SPaolo Bonzini * Copyright (c) 2012 CodeSourcery, LLC 51d854765SPaolo Bonzini * 61d854765SPaolo Bonzini * This library is free software; you can redistribute it and/or 71d854765SPaolo Bonzini * modify it under the terms of the GNU Lesser General Public 81d854765SPaolo Bonzini * License as published by the Free Software Foundation; either 950f57e09SChetan Pant * version 2.1 of the License, or (at your option) any later version. 101d854765SPaolo Bonzini * 111d854765SPaolo Bonzini * This library is distributed in the hope that it will be useful, 121d854765SPaolo Bonzini * but WITHOUT ANY WARRANTY; without even the implied warranty of 131d854765SPaolo Bonzini * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 141d854765SPaolo Bonzini * Lesser General Public License for more details. 151d854765SPaolo Bonzini * 161d854765SPaolo Bonzini * You should have received a copy of the GNU Lesser General Public 171d854765SPaolo Bonzini * License along with this library; if not, see <http://www.gnu.org/licenses/>. 181d854765SPaolo Bonzini */ 191d854765SPaolo Bonzini 201d854765SPaolo Bonzini #ifndef ARM_LDST_H 211d854765SPaolo Bonzini #define ARM_LDST_H 221d854765SPaolo Bonzini 23ae82adc8SEmilio G. Cota #include "exec/translator.h" 241d854765SPaolo Bonzini #include "qemu/bswap.h" 251d854765SPaolo Bonzini 261d854765SPaolo Bonzini /* Load an instruction and return it in the standard little-endian order */ 271d854765SPaolo Bonzini static inline uint32_t arm_ldl_code(CPUARMState *env, target_ulong addr, 28f9fd40ebSPaolo Bonzini bool sctlr_b) 291d854765SPaolo Bonzini { 30ae82adc8SEmilio G. Cota return translator_ldl_swap(env, addr, bswap_code(sctlr_b)); 311d854765SPaolo Bonzini } 321d854765SPaolo Bonzini 331d854765SPaolo Bonzini /* Ditto, for a halfword (Thumb) instruction */ 341d854765SPaolo Bonzini static inline uint16_t arm_lduw_code(CPUARMState *env, target_ulong addr, 35f9fd40ebSPaolo Bonzini bool sctlr_b) 361d854765SPaolo Bonzini { 37f7478a92SJulian Brown #ifndef CONFIG_USER_ONLY 38f7478a92SJulian Brown /* In big-endian (BE32) mode, adjacent Thumb instructions have been swapped 39f7478a92SJulian Brown within each word. Undo that now. */ 40f7478a92SJulian Brown if (sctlr_b) { 41f7478a92SJulian Brown addr ^= 2; 42f7478a92SJulian Brown } 43f7478a92SJulian Brown #endif 44ae82adc8SEmilio G. Cota return translator_lduw_swap(env, addr, bswap_code(sctlr_b)); 451d854765SPaolo Bonzini } 461d854765SPaolo Bonzini 471d854765SPaolo Bonzini #endif 48