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
/*
|
|
* 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 2.1 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/translator.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, DisasContextBase *s,
|
|
target_ulong addr, bool sctlr_b)
|
|
{
|
|
return translator_ldl_swap(env, s, addr, bswap_code(sctlr_b));
|
|
}
|
|
|
|
/* Ditto, for a halfword (Thumb) instruction */
|
|
static inline uint16_t arm_lduw_code(CPUARMState *env, DisasContextBase* s,
|
|
target_ulong addr, bool sctlr_b)
|
|
{
|
|
#ifndef CONFIG_USER_ONLY
|
|
/* In big-endian (BE32) mode, adjacent Thumb instructions have been swapped
|
|
within each word. Undo that now. */
|
|
if (sctlr_b) {
|
|
addr ^= 2;
|
|
}
|
|
#endif
|
|
return translator_lduw_swap(env, s, addr, bswap_code(sctlr_b));
|
|
}
|
|
|
|
#endif
|