| 1 | /* Memory ops header for CGEN-based simulators. |
| 2 | Copyright (C) 1996, 1997, 1998, 1999 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 | /* Integer memory read support. |
| 31 | |
| 32 | There is no floating point support. In this context there are no |
| 33 | floating point modes, only floating point operations (whose arguments |
| 34 | and results are arrays of bits that we treat as integer modes). */ |
| 35 | |
| 36 | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) |
| 37 | #define DECLARE_GETMEM(mode, size) \ |
| 38 | MEMOPS_INLINE mode \ |
| 39 | XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a) \ |
| 40 | { \ |
| 41 | PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode)); \ |
| 42 | /* Don't read anything into "unaligned" here. Bad name choice. */\ |
| 43 | return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, pc, read_map, a); \ |
| 44 | } |
| 45 | #else |
| 46 | #define DECLARE_GETMEM(mode, size) \ |
| 47 | extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR); |
| 48 | #endif |
| 49 | |
| 50 | DECLARE_GETMEM (QI, 1) /* TAGS: GETMEMQI */ |
| 51 | DECLARE_GETMEM (UQI, 1) /* TAGS: GETMEMUQI */ |
| 52 | DECLARE_GETMEM (HI, 2) /* TAGS: GETMEMHI */ |
| 53 | DECLARE_GETMEM (UHI, 2) /* TAGS: GETMEMUHI */ |
| 54 | DECLARE_GETMEM (SI, 4) /* TAGS: GETMEMSI */ |
| 55 | DECLARE_GETMEM (USI, 4) /* TAGS: GETMEMUSI */ |
| 56 | DECLARE_GETMEM (DI, 8) /* TAGS: GETMEMDI */ |
| 57 | DECLARE_GETMEM (UDI, 8) /* TAGS: GETMEMUDI */ |
| 58 | |
| 59 | #undef DECLARE_GETMEM |
| 60 | \f |
| 61 | /* Integer memory write support. */ |
| 62 | |
| 63 | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) |
| 64 | #define DECLARE_SETMEM(mode, size) \ |
| 65 | MEMOPS_INLINE void \ |
| 66 | XCONCAT2 (SETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a, mode val) \ |
| 67 | { \ |
| 68 | PROFILE_COUNT_WRITE (cpu, a, XCONCAT2 (MODE_,mode)); \ |
| 69 | /* Don't read anything into "unaligned" here. Bad name choice. */ \ |
| 70 | XCONCAT2 (sim_core_write_unaligned_,size) (cpu, pc, write_map, a, val); \ |
| 71 | } |
| 72 | #else |
| 73 | #define DECLARE_SETMEM(mode, size) \ |
| 74 | extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, IADDR, ADDR, mode); |
| 75 | #endif |
| 76 | |
| 77 | DECLARE_SETMEM (QI, 1) /* TAGS: SETMEMQI */ |
| 78 | DECLARE_SETMEM (UQI, 1) /* TAGS: SETMEMUQI */ |
| 79 | DECLARE_SETMEM (HI, 2) /* TAGS: SETMEMHI */ |
| 80 | DECLARE_SETMEM (UHI, 2) /* TAGS: SETMEMUHI */ |
| 81 | DECLARE_SETMEM (SI, 4) /* TAGS: SETMEMSI */ |
| 82 | DECLARE_SETMEM (USI, 4) /* TAGS: SETMEMUSI */ |
| 83 | DECLARE_SETMEM (DI, 8) /* TAGS: SETMEMDI */ |
| 84 | DECLARE_SETMEM (UDI, 8) /* TAGS: SETMEMUDI */ |
| 85 | |
| 86 | #undef DECLARE_SETMEM |
| 87 | \f |
| 88 | /* Instruction read support. */ |
| 89 | |
| 90 | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) |
| 91 | #define DECLARE_GETIMEM(mode, size) \ |
| 92 | MEMOPS_INLINE mode \ |
| 93 | XCONCAT2 (GETIMEM,mode) (SIM_CPU *cpu, IADDR a) \ |
| 94 | { \ |
| 95 | /*PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode));*/ \ |
| 96 | /* Don't read anything into "unaligned" here. Bad name choice. */\ |
| 97 | return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, a, exec_map, a); \ |
| 98 | } |
| 99 | #else |
| 100 | #define DECLARE_GETIMEM(mode, size) \ |
| 101 | extern mode XCONCAT2 (GETIMEM,mode) (SIM_CPU *, ADDR); |
| 102 | #endif |
| 103 | |
| 104 | DECLARE_GETIMEM (UQI, 1) /* TAGS: GETIMEMUQI */ |
| 105 | DECLARE_GETIMEM (UHI, 2) /* TAGS: GETIMEMUHI */ |
| 106 | DECLARE_GETIMEM (USI, 4) /* TAGS: GETIMEMUSI */ |
| 107 | DECLARE_GETIMEM (UDI, 8) /* TAGS: GETIMEMUDI */ |
| 108 | |
| 109 | #undef DECLARE_GETIMEM |
| 110 | \f |
| 111 | /* Floating point support. |
| 112 | |
| 113 | ??? One can specify that the integer memory ops should be used instead, |
| 114 | and treat fp values as just a series of bits. One might even bubble |
| 115 | that notion up into the description language. However, that departs from |
| 116 | gcc. One could cross over from gcc's notion and a "series of bits" notion |
| 117 | between there and here, and thus still not require these routines. However, |
| 118 | that's a complication of its own (not that having these fns isn't). |
| 119 | But for now, we do things this way. */ |
| 120 | |
| 121 | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) |
| 122 | #define DECLARE_GETMEM(mode, size) \ |
| 123 | MEMOPS_INLINE mode \ |
| 124 | XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a) \ |
| 125 | { \ |
| 126 | PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode)); \ |
| 127 | /* Don't read anything into "unaligned" here. Bad name choice. */\ |
| 128 | return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, pc, read_map, a); \ |
| 129 | } |
| 130 | #else |
| 131 | #define DECLARE_GETMEM(mode, size) \ |
| 132 | extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR); |
| 133 | #endif |
| 134 | |
| 135 | DECLARE_GETMEM (SF, 4) /* TAGS: GETMEMSF */ |
| 136 | DECLARE_GETMEM (DF, 8) /* TAGS: GETMEMDF */ |
| 137 | |
| 138 | #undef DECLARE_GETMEM |
| 139 | |
| 140 | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) |
| 141 | #define DECLARE_SETMEM(mode, size) \ |
| 142 | MEMOPS_INLINE void \ |
| 143 | XCONCAT2 (SETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a, mode val) \ |
| 144 | { \ |
| 145 | PROFILE_COUNT_WRITE (cpu, a, XCONCAT2 (MODE_,mode)); \ |
| 146 | /* Don't read anything into "unaligned" here. Bad name choice. */ \ |
| 147 | XCONCAT2 (sim_core_write_unaligned_,size) (cpu, pc, write_map, a, val); \ |
| 148 | } |
| 149 | #else |
| 150 | #define DECLARE_SETMEM(mode, size) \ |
| 151 | extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, IADDR, ADDR, mode); |
| 152 | #endif |
| 153 | |
| 154 | DECLARE_SETMEM (SF, 4) /* TAGS: SETMEMSF */ |
| 155 | DECLARE_SETMEM (DF, 8) /* TAGS: SETMEMDF */ |
| 156 | |
| 157 | #undef DECLARE_SETMEM |
| 158 | \f |
| 159 | /* GETT<mode>: translate target value at P to host value. |
| 160 | This needn't be very efficient (i.e. can call memcpy) as this is |
| 161 | only used when interfacing with the outside world (e.g. gdb). */ |
| 162 | |
| 163 | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) |
| 164 | #define DECLARE_GETT(mode, size) \ |
| 165 | MEMOPS_INLINE mode \ |
| 166 | XCONCAT2 (GETT,mode) (unsigned char *p) \ |
| 167 | { \ |
| 168 | mode tmp; \ |
| 169 | memcpy (&tmp, p, sizeof (mode)); \ |
| 170 | return XCONCAT2 (T2H_,size) (tmp); \ |
| 171 | } |
| 172 | #else |
| 173 | #define DECLARE_GETT(mode, size) \ |
| 174 | extern mode XCONCAT2 (GETT,mode) (unsigned char *); |
| 175 | #endif |
| 176 | |
| 177 | DECLARE_GETT (QI, 1) /* TAGS: GETTQI */ |
| 178 | DECLARE_GETT (UQI, 1) /* TAGS: GETTUQI */ |
| 179 | DECLARE_GETT (HI, 2) /* TAGS: GETTHI */ |
| 180 | DECLARE_GETT (UHI, 2) /* TAGS: GETTUHI */ |
| 181 | DECLARE_GETT (SI, 4) /* TAGS: GETTSI */ |
| 182 | DECLARE_GETT (USI, 4) /* TAGS: GETTUSI */ |
| 183 | DECLARE_GETT (DI, 8) /* TAGS: GETTDI */ |
| 184 | DECLARE_GETT (UDI, 8) /* TAGS: GETTUDI */ |
| 185 | |
| 186 | #if 0 /* ??? defered until necessary */ |
| 187 | DECLARE_GETT (SF, 4) /* TAGS: GETTSF */ |
| 188 | DECLARE_GETT (DF, 8) /* TAGS: GETTDF */ |
| 189 | DECLARE_GETT (TF, 16) /* TAGS: GETTTF */ |
| 190 | #endif |
| 191 | |
| 192 | #undef DECLARE_GETT |
| 193 | \f |
| 194 | /* SETT<mode>: translate host value to target value and store at P. |
| 195 | This needn't be very efficient (i.e. can call memcpy) as this is |
| 196 | only used when interfacing with the outside world (e.g. gdb). */ |
| 197 | |
| 198 | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) |
| 199 | #define DECLARE_SETT(mode, size) \ |
| 200 | MEMOPS_INLINE void \ |
| 201 | XCONCAT2 (SETT,mode) (unsigned char *buf, mode val) \ |
| 202 | { \ |
| 203 | mode tmp; \ |
| 204 | tmp = XCONCAT2 (H2T_,size) (val); \ |
| 205 | memcpy (buf, &tmp, sizeof (mode)); \ |
| 206 | } |
| 207 | #else |
| 208 | #define DECLARE_SETT(mode, size) \ |
| 209 | extern mode XCONCAT2 (GETT,mode) (unsigned char *, mode); |
| 210 | #endif |
| 211 | |
| 212 | DECLARE_SETT (QI, 1) /* TAGS: SETTQI */ |
| 213 | DECLARE_SETT (UQI, 1) /* TAGS: SETTUQI */ |
| 214 | DECLARE_SETT (HI, 2) /* TAGS: SETTHI */ |
| 215 | DECLARE_SETT (UHI, 2) /* TAGS: SETTUHI */ |
| 216 | DECLARE_SETT (SI, 4) /* TAGS: SETTSI */ |
| 217 | DECLARE_SETT (USI, 4) /* TAGS: SETTUSI */ |
| 218 | DECLARE_SETT (DI, 8) /* TAGS: SETTDI */ |
| 219 | DECLARE_SETT (UDI, 8) /* TAGS: SETTUDI */ |
| 220 | |
| 221 | #if 0 /* ??? defered until necessary */ |
| 222 | DECLARE_SETT (SF, 4) /* TAGS: SETTSF */ |
| 223 | DECLARE_SETT (DF, 8) /* TAGS: SETTDF */ |
| 224 | DECLARE_SETT (TF, 16) /* TAGS: SETTTF */ |
| 225 | #endif |
| 226 | |
| 227 | #undef DECLARE_SETT |
| 228 | |
| 229 | #endif /* CGEN_MEM_H */ |