diff options
Diffstat (limited to 'target/arm/arm_ldst.h')
-rw-r--r-- | target/arm/arm_ldst.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/arm/arm_ldst.h b/target/arm/arm_ldst.h new file mode 100644 index 0000000000..a76d89f62c --- /dev/null +++ b/target/arm/arm_ldst.h @@ -0,0 +1,49 @@ +/* + * 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 = cpu_lduw_code(env, addr); + if (bswap_code(sctlr_b)) { + return bswap16(insn); + } + return insn; +} + +#endif |