include/exec/cpu_ldst_useronly_template.h

   1 /*
   2  *  User-only accessor function support
   3  *
   4  * Generate inline load/store functions for one data size.
   5  *
   6  * Generate a store function as well as signed and unsigned loads.
   7  *
   8  * Not used directly but included from cpu_ldst.h.
   9  *
  10  *  Copyright (c) 2015 Linaro Limited
  11  *
  12  * This library is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Lesser General Public
  14  * License as published by the Free Software Foundation; either
  15  * version 2 of the License, or (at your option) any later version.
  16  *
  17  * This library is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public
  23  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  24  */
  25
  26 #if !defined(CODE_ACCESS)
  27 #include "trace-root.h"
  28 #endif
  29
  30 #include "trace/mem.h"
  31
  32 #if DATA_SIZE == 8
  33 #define SUFFIX q
  34 #define USUFFIX q
  35 #define DATA_TYPE uint64_t
  36 #elif DATA_SIZE == 4
  37 #define SUFFIX l
  38 #define USUFFIX l
  39 #define DATA_TYPE uint32_t
  40 #elif DATA_SIZE == 2
  41 #define SUFFIX w
  42 #define USUFFIX uw
  43 #define DATA_TYPE uint16_t
  44 #define DATA_STYPE int16_t
  45 #elif DATA_SIZE == 1
  46 #define SUFFIX b
  47 #define USUFFIX ub
  48 #define DATA_TYPE uint8_t
  49 #define DATA_STYPE int8_t
  50 #else
  51 #error unsupported data size
  52 #endif
  53
  54 #if DATA_SIZE == 8
  55 #define RES_TYPE uint64_t
  56 #else
  57 #define RES_TYPE uint32_t
  58 #endif
  59
  60 static inline RES_TYPE
  61 glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
  62 {
  63 #if !defined(CODE_ACCESS)
  64     trace_guest_mem_before_exec(
  65         ENV_GET_CPU(env), ptr,
  66         trace_mem_build_info(DATA_SIZE, false, MO_TE, false));
  67 #endif
  68     return glue(glue(ld, USUFFIX), _p)(g2h(ptr));
  69 }
  70
  71 static inline RES_TYPE
  72 glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
  73                                                   target_ulong ptr,
  74                                                   uintptr_t retaddr)
  75 {
  76     RES_TYPE ret;
  77     helper_retaddr = retaddr;
  78     ret = glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(env, ptr);
  79     helper_retaddr = 0;
  80     return ret;
  81 }
  82
  83 #if DATA_SIZE <= 2
  84 static inline int
  85 glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
  86 {
  87 #if !defined(CODE_ACCESS)
  88     trace_guest_mem_before_exec(
  89         ENV_GET_CPU(env), ptr,
  90         trace_mem_build_info(DATA_SIZE, true, MO_TE, false));
  91 #endif
  92     return glue(glue(lds, SUFFIX), _p)(g2h(ptr));
  93 }
  94
  95 static inline int
  96 glue(glue(glue(cpu_lds, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
  97                                                   target_ulong ptr,
  98                                                   uintptr_t retaddr)
  99 {
 100     int ret;
 101     helper_retaddr = retaddr;
 102     ret = glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(env, ptr);
 103     helper_retaddr = 0;
 104     return ret;
 105 }
 106 #endif
 107
 108 #ifndef CODE_ACCESS
 109 static inline void
 110 glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr,
 111                                       RES_TYPE v)
 112 {
 113 #if !defined(CODE_ACCESS)
 114     trace_guest_mem_before_exec(
 115         ENV_GET_CPU(env), ptr,
 116         trace_mem_build_info(DATA_SIZE, false, MO_TE, true));
 117 #endif
 118     glue(glue(st, SUFFIX), _p)(g2h(ptr), v);
 119 }
 120
 121 static inline void
 122 glue(glue(glue(cpu_st, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
 123                                                   target_ulong ptr,
 124                                                   RES_TYPE v,
 125                                                   uintptr_t retaddr)
 126 {
 127     helper_retaddr = retaddr;
 128     glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(env, ptr, v);
 129     helper_retaddr = 0;
 130 }
 131 #endif
 132
 133 #undef RES_TYPE
 134 #undef DATA_TYPE
 135 #undef DATA_STYPE
 136 #undef SUFFIX
 137 #undef USUFFIX
 138 #undef DATA_SIZE