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https://github.com/yuzu-emu/unicorn.git
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c7f6786089
There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Backports 50f57e09fda4b7ffbc5ba62aad6cebf660824023
58 lines
1.7 KiB
C
58 lines
1.7 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/exec-all.h"
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#include "exec/cpu_ldst.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, target_ulong addr,
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bool sctlr_b)
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{
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uint32_t insn = cpu_ldl_code(env, addr);
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if (bswap_code(sctlr_b)) {
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return bswap32(insn);
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}
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return insn;
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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, target_ulong addr,
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bool sctlr_b)
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{
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uint16_t insn;
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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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insn = cpu_lduw_code(env, addr);
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if (bswap_code(sctlr_b)) {
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return bswap16(insn);
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}
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return insn;
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}
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#endif
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