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/*
* Software MMU support
*
* Generate inline load/store functions for one MMU mode and data
* size.
*
* Generate a store function as well as signed and unsigned loads.
*
* Not used directly but included from cpu_ldst.h.
*
* Copyright (c) 2003 Fabrice Bellard
*
* 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/>.
*/
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
#define DATA_TYPE uint64_t
#define SHIFT 3
#elif DATA_SIZE == 4
#define SUFFIX l
#define USUFFIX l
#define DATA_TYPE uint32_t
#define SHIFT 2
#elif DATA_SIZE == 2
#define SUFFIX w
#define USUFFIX uw
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#define SHIFT 1
#elif DATA_SIZE == 1
#define SUFFIX b
#define USUFFIX ub
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#define SHIFT 0
#else
#error unsupported data size
#endif
#if DATA_SIZE == 8
#define RES_TYPE uint64_t
#else
#define RES_TYPE uint32_t
#endif
/* generic load/store macros */
#ifdef SOFTMMU_CODE_ACCESS
static inline RES_TYPE
glue(glue(cpu_ld, USUFFIX), _code)(CPUArchState *env, target_ulong ptr)
{
TCGMemOpIdx oi = make_memop_idx(MO_TE | SHIFT, CPU_MMU_INDEX);
return glue(glue(helper_ret_ld, USUFFIX), _cmmu)(env, ptr, oi, 0);
}
#if DATA_SIZE <= 2
static inline int
glue(glue(cpu_lds, SUFFIX), _code)(CPUArchState *env, target_ulong ptr)
{
return (DATA_STYPE)glue(glue(cpu_ld, USUFFIX), _code)(env, ptr);
}
#endif
#else
static inline RES_TYPE
glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
target_ulong ptr,
uintptr_t retaddr)
{
return glue(glue(cpu_ld, USUFFIX), _mmuidx_ra)(env, ptr, CPU_MMU_INDEX,
retaddr);
}
static inline RES_TYPE
glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
{
return glue(glue(cpu_ld, USUFFIX), _mmuidx_ra)(env, ptr, CPU_MMU_INDEX, 0);
}
#if DATA_SIZE <= 2
static inline int
glue(glue(glue(cpu_lds, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
target_ulong ptr,
uintptr_t retaddr)
{
return glue(glue(cpu_lds, SUFFIX), _mmuidx_ra)(env, ptr, CPU_MMU_INDEX,
retaddr);
}
static inline int
glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
{
return glue(glue(cpu_lds, SUFFIX), _mmuidx_ra)(env, ptr, CPU_MMU_INDEX, 0);
}
#endif
/* generic store macro */
static inline void
glue(glue(glue(cpu_st, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
target_ulong ptr,
RES_TYPE v, uintptr_t retaddr)
{
glue(glue(cpu_st, SUFFIX), _mmuidx_ra)(env, ptr, v, CPU_MMU_INDEX,
retaddr);
}
static inline void
glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr,
RES_TYPE v)
{
glue(glue(cpu_st, SUFFIX), _mmuidx_ra)(env, ptr, v, CPU_MMU_INDEX, 0);
}
#endif /* !SOFTMMU_CODE_ACCESS */
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
#undef SUFFIX
#undef USUFFIX
#undef DATA_SIZE
#undef SHIFT
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