sim/common/cgen-mem.h

   1 /* Memory ops header for CGEN-based simulators.
   2    Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
   3    Contributed by Cygnus Solutions.
   4
   5 This file is part of the GNU Simulators.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with this program; if not, write to the Free Software Foundation, Inc.,
  19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef CGEN_MEM_H
  22 #define CGEN_MEM_H
  23
  24 #ifdef MEMOPS_DEFINE_INLINE
  25 #define MEMOPS_INLINE
  26 #else
  27 #define MEMOPS_INLINE extern inline
  28 #endif
  29
  30 /* Memory read support.  */
  31
  32 #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
  33 #define DECLARE_GETMEM(mode, size) \
  34 MEMOPS_INLINE mode \
  35 XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a) \
  36 { \
  37   PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode)); \
  38   /* Don't read anything into "unaligned" here.  Bad name choice.  */\
  39   return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, pc, read_map, a); \
  40 }
  41 #else
  42 #define DECLARE_GETMEM(mode, size) \
  43 extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR);
  44 #endif
  45
  46 DECLARE_GETMEM (QI, 1)
  47 DECLARE_GETMEM (UQI, 1)
  48 DECLARE_GETMEM (HI, 2)
  49 DECLARE_GETMEM (UHI, 2)
  50 DECLARE_GETMEM (SI, 4)
  51 DECLARE_GETMEM (USI, 4)
  52 DECLARE_GETMEM (DI, 8)
  53 DECLARE_GETMEM (UDI, 8)
  54
  55 #undef DECLARE_GETMEM
  56
  57 #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
  58 #define DECLARE_GETMEM(mode, size) \
  59 MEMOPS_INLINE mode \
  60 XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a) \
  61 { \
  62   PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode)); \
  63   /* Don't read anything into "unaligned" here.  Bad name choice.  */\
  64   return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, pc, read_map, a); \
  65 }
  66 #else
  67 #define DECLARE_GETMEM(mode, size) \
  68 extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR);
  69 #endif
  70
  71 DECLARE_GETMEM (SF, 4)
  72 DECLARE_GETMEM (DF, 8)
  73 /*DECLARE_GETMEM (TF, 16)*/
  74
  75 #undef DECLARE_GETMEM
  76 \f
  77 /* Memory write support.  */
  78
  79 #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
  80 #define DECLARE_SETMEM(mode, size) \
  81 MEMOPS_INLINE void \
  82 XCONCAT2 (SETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a, mode val) \
  83 { \
  84   PROFILE_COUNT_WRITE (cpu, a, XCONCAT2 (MODE_,mode)); \
  85   /* Don't read anything into "unaligned" here.  Bad name choice.  */ \
  86   XCONCAT2 (sim_core_write_unaligned_,size) (cpu, pc, write_map, a, val); \
  87 }
  88 #else
  89 #define DECLARE_SETMEM(mode, size) \
  90 extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, IADDR, ADDR, mode);
  91 #endif
  92
  93 DECLARE_SETMEM (QI, 1)
  94 DECLARE_SETMEM (UQI, 1)
  95 DECLARE_SETMEM (HI, 2)
  96 DECLARE_SETMEM (UHI, 2)
  97 DECLARE_SETMEM (SI, 4)
  98 DECLARE_SETMEM (USI, 4)
  99 DECLARE_SETMEM (DI, 8)
 100 DECLARE_SETMEM (UDI, 8)
 101
 102 /*
 103 DECLARE_SETMEM (SF, 4)
 104 DECLARE_SETMEM (DF, 8)
 105 DECLARE_SETMEM (TF, 16)
 106 */
 107
 108 #undef DECLARE_SETMEM
 109 \f
 110 /* Instruction read support.  */
 111
 112 #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
 113 #define DECLARE_GETIMEM(mode, size) \
 114 MEMOPS_INLINE mode \
 115 XCONCAT2 (GETIMEM,mode) (SIM_CPU *cpu, IADDR a) \
 116 { \
 117   /*PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode));*/ \
 118   /* Don't read anything into "unaligned" here.  Bad name choice.  */\
 119   return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, a, exec_map, a); \
 120 }
 121 #else
 122 #define DECLARE_GETIMEM(mode, size) \
 123 extern mode XCONCAT2 (GETIMEM,mode) (SIM_CPU *, ADDR);
 124 #endif
 125
 126 DECLARE_GETIMEM (UQI, 1)
 127 DECLARE_GETIMEM (UHI, 2)
 128 DECLARE_GETIMEM (USI, 4)
 129 DECLARE_GETIMEM (UDI, 8)
 130
 131 #undef DECLARE_GETIMEM
 132 \f
 133 /* GETT<mode>: translate target value at P to host value.
 134    This needn't be very efficient (i.e. can call memcpy) as this is
 135    only used when interfacing with the outside world (e.g. gdb).  */
 136
 137 #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
 138 #define DECLARE_GETT(mode, size) \
 139 MEMOPS_INLINE mode \
 140 XCONCAT2 (GETT,mode) (unsigned char *p) \
 141 { \
 142   mode tmp; \
 143   memcpy (&tmp, p, sizeof (mode)); \
 144   return XCONCAT2 (T2H_,size) (tmp); \
 145 }
 146 #else
 147 #define DECLARE_GETT(mode, size) \
 148 extern mode XCONCAT2 (GETT,mode) (unsigned char *);
 149 #endif
 150
 151 DECLARE_GETT (QI, 1)
 152 DECLARE_GETT (UQI, 1)
 153 DECLARE_GETT (HI, 2)
 154 DECLARE_GETT (UHI, 2)
 155 DECLARE_GETT (SI, 4)
 156 DECLARE_GETT (USI, 4)
 157 DECLARE_GETT (DI, 8)
 158 DECLARE_GETT (UDI, 8)
 159
 160 /*
 161 DECLARE_GETT (SF, 4)
 162 DECLARE_GETT (DF, 8)
 163 DECLARE_GETT (TF, 16)
 164 */
 165
 166 #undef DECLARE_GETT
 167 \f
 168 /* SETT<mode>: translate host value to target value and store at P.
 169    This needn't be very efficient (i.e. can call memcpy) as this is
 170    only used when interfacing with the outside world (e.g. gdb).  */
 171
 172 #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
 173 #define DECLARE_SETT(mode, size) \
 174 MEMOPS_INLINE void \
 175 XCONCAT2 (SETT,mode) (unsigned char *buf, mode val) \
 176 { \
 177   mode tmp; \
 178   tmp = XCONCAT2 (H2T_,size) (val); \
 179   memcpy (buf, &tmp, sizeof (mode)); \
 180 }
 181 #else
 182 #define DECLARE_SETT(mode, size) \
 183 extern mode XCONCAT2 (GETT,mode) (unsigned char *, mode);
 184 #endif
 185
 186 DECLARE_SETT (QI, 1)
 187 DECLARE_SETT (UQI, 1)
 188 DECLARE_SETT (HI, 2)
 189 DECLARE_SETT (UHI, 2)
 190 DECLARE_SETT (SI, 4)
 191 DECLARE_SETT (USI, 4)
 192 DECLARE_SETT (DI, 8)
 193 DECLARE_SETT (UDI, 8)
 194
 195 /*
 196 DECLARE_SETT (SF, 4)
 197 DECLARE_SETT (DF, 8)
 198 DECLARE_SETT (TF, 16)
 199 */
 200
 201 #undef DECLARE_SETT
 202
 203 #endif /* CGEN_MEM_H */