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4e116893c6
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> [rth: Split out of a larger patch.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/*
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* ARM load/store instructions for code (armeb-user support)
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*
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* Copyright (c) 2012 CodeSourcery, LLC
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ARM_LDST_H
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#define ARM_LDST_H
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#include "exec/translator.h"
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#include "qemu/bswap.h"
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/* Load an instruction and return it in the standard little-endian order */
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static inline uint32_t arm_ldl_code(CPUARMState *env, DisasContextBase *s,
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target_ulong addr, bool sctlr_b)
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{
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return translator_ldl_swap(env, s, addr, bswap_code(sctlr_b));
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}
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/* Ditto, for a halfword (Thumb) instruction */
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static inline uint16_t arm_lduw_code(CPUARMState *env, DisasContextBase* s,
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target_ulong addr, bool sctlr_b)
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{
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#ifndef CONFIG_USER_ONLY
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/* In big-endian (BE32) mode, adjacent Thumb instructions have been swapped
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within each word. Undo that now. */
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if (sctlr_b) {
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addr ^= 2;
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}
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#endif
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return translator_lduw_swap(env, s, addr, bswap_code(sctlr_b));
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}
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#endif
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