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 #if DATA_SIZE == 8
  26 #define SUFFIX q
  27 #define USUFFIX q
  28 #define DATA_TYPE uint64_t
  29 #elif DATA_SIZE == 4
  30 #define SUFFIX l
  31 #define USUFFIX l
  32 #define DATA_TYPE uint32_t
  33 #elif DATA_SIZE == 2
  34 #define SUFFIX w
  35 #define USUFFIX uw
  36 #define DATA_TYPE uint16_t
  37 #define DATA_STYPE int16_t
  38 #elif DATA_SIZE == 1
  39 #define SUFFIX b
  40 #define USUFFIX ub
  41 #define DATA_TYPE uint8_t
  42 #define DATA_STYPE int8_t
  43 #else
  44 #error unsupported data size
  45 #endif
  46
  47 #if DATA_SIZE == 8
  48 #define RES_TYPE uint64_t
  49 #else
  50 #define RES_TYPE uint32_t
  51 #endif
  52
  53 static inline RES_TYPE
  54 glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
  55 {
  56     return glue(glue(ld, USUFFIX), _p)(g2h(ptr));
  57 }
  58
  59 static inline RES_TYPE
  60 glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
  61                                                   target_ulong ptr,
  62                                                   uintptr_t retaddr)
  63 {
  64     return glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(env, ptr);
  65 }
  66
  67 #if DATA_SIZE <= 2
  68 static inline int
  69 glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
  70 {
  71     return glue(glue(lds, SUFFIX), _p)(g2h(ptr));
  72 }
  73
  74 static inline int
  75 glue(glue(glue(cpu_lds, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
  76                                                   target_ulong ptr,
  77                                                   uintptr_t retaddr)
  78 {
  79     return glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(env, ptr);
  80 }
  81 #endif
  82
  83 #ifndef CODE_ACCESS
  84 static inline void
  85 glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr,
  86                                       RES_TYPE v)
  87 {
  88     glue(glue(st, SUFFIX), _p)(g2h(ptr), v);
  89 }
  90
  91 static inline void
  92 glue(glue(glue(cpu_st, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
  93                                                   target_ulong ptr,
  94                                                   RES_TYPE v,
  95                                                   uintptr_t retaddr)
  96 {
  97     glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(env, ptr, v);
  98 }
  99 #endif
 100
 101 #undef RES_TYPE
 102 #undef DATA_TYPE
 103 #undef DATA_STYPE
 104 #undef SUFFIX
 105 #undef USUFFIX
 106 #undef DATA_SIZE