| 1 | /* The IGEN simulator generator for GDB, the GNU Debugger. |
| 2 | |
| 3 | Copyright 2002, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Andrew Cagney. |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | |
| 23 | #include "misc.h" |
| 24 | #include "lf.h" |
| 25 | #include "table.h" |
| 26 | |
| 27 | #include "filter.h" |
| 28 | |
| 29 | #include "ld-decode.h" |
| 30 | #include "ld-insn.h" |
| 31 | |
| 32 | #include "gen-model.h" |
| 33 | |
| 34 | #ifndef NULL |
| 35 | #define NULL 0 |
| 36 | #endif |
| 37 | |
| 38 | |
| 39 | #if 0 |
| 40 | static void |
| 41 | model_c_or_h_data (insn_table *table, lf *file, table_entry *data) |
| 42 | { |
| 43 | if (data->annex) |
| 44 | { |
| 45 | table_entry_print_cpp_line_nr (file, data->annex_line); |
| 46 | lf_print__c_code (file, data->annex); |
| 47 | lf_print__internal_reference (file); |
| 48 | lf_printf (file, "\n"); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | static void |
| 53 | model_c_or_h_function (insn_table *entry, |
| 54 | lf *file, table_entry *function, char *prefix) |
| 55 | { |
| 56 | if (function->fields[function_type] == NULL |
| 57 | || function->fields[function_type][0] == '\0') |
| 58 | { |
| 59 | error ("Model function type not specified for %s", |
| 60 | function->fields[function_name]); |
| 61 | } |
| 62 | lf_printf (file, "\n"); |
| 63 | lf_print_function_type (file, function->fields[function_type], prefix, " "); |
| 64 | lf_printf (file, "%s\n(%s);\n", |
| 65 | function->fields[function_name], |
| 66 | function->fields[function_param]); |
| 67 | lf_printf (file, "\n"); |
| 68 | } |
| 69 | |
| 70 | void |
| 71 | gen_model_h (insn_table *table, lf *file) |
| 72 | { |
| 73 | insn *insn_ptr; |
| 74 | model *model_ptr; |
| 75 | insn *macro; |
| 76 | char *name; |
| 77 | int model_create_p = 0; |
| 78 | int model_init_p = 0; |
| 79 | int model_halt_p = 0; |
| 80 | int model_mon_info_p = 0; |
| 81 | int model_mon_info_free_p = 0; |
| 82 | |
| 83 | for (macro = model_macros; macro; macro = macro->next) |
| 84 | { |
| 85 | model_c_or_h_data (table, file, macro->file_entry); |
| 86 | } |
| 87 | |
| 88 | lf_printf (file, "typedef enum _model_enum {\n"); |
| 89 | lf_printf (file, " MODEL_NONE,\n"); |
| 90 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) |
| 91 | { |
| 92 | lf_printf (file, " MODEL_%s,\n", model_ptr->name); |
| 93 | } |
| 94 | lf_printf (file, " nr_models\n"); |
| 95 | lf_printf (file, "} model_enum;\n"); |
| 96 | lf_printf (file, "\n"); |
| 97 | |
| 98 | lf_printf (file, "#define DEFAULT_MODEL MODEL_%s\n", |
| 99 | (models) ? models->name : "NONE"); |
| 100 | lf_printf (file, "\n"); |
| 101 | |
| 102 | lf_printf (file, "typedef struct _model_data model_data;\n"); |
| 103 | lf_printf (file, "typedef struct _model_time model_time;\n"); |
| 104 | lf_printf (file, "\n"); |
| 105 | |
| 106 | lf_printf (file, "extern model_enum current_model;\n"); |
| 107 | lf_printf (file, "extern const char *model_name[ (int)nr_models ];\n"); |
| 108 | lf_printf (file, |
| 109 | "extern const char *const *const model_func_unit_name[ (int)nr_models ];\n"); |
| 110 | lf_printf (file, |
| 111 | "extern const model_time *const model_time_mapping[ (int)nr_models ];\n"); |
| 112 | lf_printf (file, "\n"); |
| 113 | |
| 114 | for (insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) |
| 115 | { |
| 116 | model_c_or_h_function (table, file, insn_ptr->file_entry, |
| 117 | "INLINE_MODEL"); |
| 118 | name = insn_ptr->file_entry->fields[function_name]; |
| 119 | if (strcmp (name, "model_create") == 0) |
| 120 | model_create_p = 1; |
| 121 | else if (strcmp (name, "model_init") == 0) |
| 122 | model_init_p = 1; |
| 123 | else if (strcmp (name, "model_halt") == 0) |
| 124 | model_halt_p = 1; |
| 125 | else if (strcmp (name, "model_mon_info") == 0) |
| 126 | model_mon_info_p = 1; |
| 127 | else if (strcmp (name, "model_mon_info_free") == 0) |
| 128 | model_mon_info_free_p = 1; |
| 129 | } |
| 130 | |
| 131 | if (!model_create_p) |
| 132 | { |
| 133 | lf_print_function_type (file, "model_data *", "INLINE_MODEL", " "); |
| 134 | lf_printf (file, "model_create\n"); |
| 135 | lf_printf (file, "(sim_cpu *cpu);\n"); |
| 136 | lf_printf (file, "\n"); |
| 137 | } |
| 138 | |
| 139 | if (!model_init_p) |
| 140 | { |
| 141 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); |
| 142 | lf_printf (file, "model_init\n"); |
| 143 | lf_printf (file, "(model_data *model_ptr);\n"); |
| 144 | lf_printf (file, "\n"); |
| 145 | } |
| 146 | |
| 147 | if (!model_halt_p) |
| 148 | { |
| 149 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); |
| 150 | lf_printf (file, "model_halt\n"); |
| 151 | lf_printf (file, "(model_data *model_ptr);\n"); |
| 152 | lf_printf (file, "\n"); |
| 153 | } |
| 154 | |
| 155 | if (!model_mon_info_p) |
| 156 | { |
| 157 | lf_print_function_type (file, "model_print *", "INLINE_MODEL", " "); |
| 158 | lf_printf (file, "model_mon_info\n"); |
| 159 | lf_printf (file, "(model_data *model_ptr);\n"); |
| 160 | lf_printf (file, "\n"); |
| 161 | } |
| 162 | |
| 163 | if (!model_mon_info_free_p) |
| 164 | { |
| 165 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); |
| 166 | lf_printf (file, "model_mon_info_free\n"); |
| 167 | lf_printf (file, "(model_data *model_ptr,\n"); |
| 168 | lf_printf (file, " model_print *info_ptr);\n"); |
| 169 | lf_printf (file, "\n"); |
| 170 | } |
| 171 | |
| 172 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); |
| 173 | lf_printf (file, "model_set\n"); |
| 174 | lf_printf (file, "(const char *name);\n"); |
| 175 | } |
| 176 | |
| 177 | /****************************************************************/ |
| 178 | |
| 179 | typedef struct _model_c_passed_data model_c_passed_data; |
| 180 | struct _model_c_passed_data |
| 181 | { |
| 182 | lf *file; |
| 183 | model *model_ptr; |
| 184 | }; |
| 185 | |
| 186 | static void |
| 187 | model_c_insn (insn_table *entry, |
| 188 | lf *phony_file, void *data, insn * instruction, int depth) |
| 189 | { |
| 190 | model_c_passed_data *data_ptr = (model_c_passed_data *) data; |
| 191 | lf *file = data_ptr->file; |
| 192 | char *current_name = data_ptr->model_ptr->printable_name; |
| 193 | table_model_entry *model_ptr = instruction->file_entry->model_first; |
| 194 | |
| 195 | while (model_ptr) |
| 196 | { |
| 197 | if (model_ptr->fields[insn_model_name] == current_name) |
| 198 | { |
| 199 | lf_printf (file, " { %-*s }, /* %s */\n", |
| 200 | max_model_fields_len, |
| 201 | model_ptr->fields[insn_model_fields], |
| 202 | instruction->file_entry->fields[insn_name]); |
| 203 | return; |
| 204 | } |
| 205 | |
| 206 | model_ptr = model_ptr->next; |
| 207 | } |
| 208 | |
| 209 | lf_printf (file, " { %-*s }, /* %s */\n", |
| 210 | max_model_fields_len, |
| 211 | data_ptr->model_ptr->insn_default, |
| 212 | instruction->file_entry->fields[insn_name]); |
| 213 | } |
| 214 | |
| 215 | static void |
| 216 | model_c_function (insn_table *table, |
| 217 | lf *file, table_entry *function, const char *prefix) |
| 218 | { |
| 219 | if (function->fields[function_type] == NULL |
| 220 | || function->fields[function_type][0] == '\0') |
| 221 | { |
| 222 | error ("Model function return type not specified for %s", |
| 223 | function->fields[function_name]); |
| 224 | } |
| 225 | else |
| 226 | { |
| 227 | lf_printf (file, "\n"); |
| 228 | lf_print_function_type (file, function->fields[function_type], prefix, |
| 229 | "\n"); |
| 230 | lf_printf (file, "%s(%s)\n", function->fields[function_name], |
| 231 | function->fields[function_param]); |
| 232 | } |
| 233 | lf_printf (file, "{\n"); |
| 234 | if (function->annex) |
| 235 | { |
| 236 | lf_indent (file, +2); |
| 237 | table_entry_print_cpp_line_nr (file, function->annex_line); |
| 238 | lf_print__c_code (file, function->annex); |
| 239 | lf_indent (file, -2); |
| 240 | } |
| 241 | lf_printf (file, "}\n"); |
| 242 | lf_print__internal_reference (file); |
| 243 | lf_printf (file, "\n"); |
| 244 | } |
| 245 | |
| 246 | void |
| 247 | gen_model_c (insn_table *table, lf *file) |
| 248 | { |
| 249 | insn *insn_ptr; |
| 250 | model *model_ptr; |
| 251 | char *name; |
| 252 | int model_create_p = 0; |
| 253 | int model_init_p = 0; |
| 254 | int model_halt_p = 0; |
| 255 | int model_mon_info_p = 0; |
| 256 | int model_mon_info_free_p = 0; |
| 257 | |
| 258 | lf_printf (file, "\n"); |
| 259 | lf_printf (file, "#include \"cpu.h\"\n"); |
| 260 | lf_printf (file, "#include \"mon.h\"\n"); |
| 261 | lf_printf (file, "\n"); |
| 262 | lf_printf (file, "#ifdef HAVE_STDLIB_H\n"); |
| 263 | lf_printf (file, "#include <stdlib.h>\n"); |
| 264 | lf_printf (file, "#endif\n"); |
| 265 | lf_printf (file, "\n"); |
| 266 | |
| 267 | for (insn_ptr = model_data; insn_ptr; insn_ptr = insn_ptr->next) |
| 268 | { |
| 269 | model_c_or_h_data (table, file, insn_ptr->file_entry); |
| 270 | } |
| 271 | |
| 272 | for (insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) |
| 273 | { |
| 274 | model_c_or_h_function (table, file, insn_ptr->file_entry, |
| 275 | "/*h*/STATIC"); |
| 276 | } |
| 277 | |
| 278 | for (insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) |
| 279 | { |
| 280 | model_c_or_h_function (table, file, insn_ptr->file_entry, |
| 281 | "STATIC_INLINE_MODEL"); |
| 282 | } |
| 283 | |
| 284 | for (insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) |
| 285 | { |
| 286 | model_c_function (table, file, insn_ptr->file_entry, "/*c*/STATIC"); |
| 287 | } |
| 288 | |
| 289 | for (insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) |
| 290 | { |
| 291 | model_c_function (table, file, insn_ptr->file_entry, |
| 292 | "STATIC_INLINE_MODEL"); |
| 293 | } |
| 294 | |
| 295 | for (insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) |
| 296 | { |
| 297 | model_c_function (table, file, insn_ptr->file_entry, "INLINE_MODEL"); |
| 298 | name = insn_ptr->file_entry->fields[function_name]; |
| 299 | if (strcmp (name, "model_create") == 0) |
| 300 | model_create_p = 1; |
| 301 | else if (strcmp (name, "model_init") == 0) |
| 302 | model_init_p = 1; |
| 303 | else if (strcmp (name, "model_halt") == 0) |
| 304 | model_halt_p = 1; |
| 305 | else if (strcmp (name, "model_mon_info") == 0) |
| 306 | model_mon_info_p = 1; |
| 307 | else if (strcmp (name, "model_mon_info_free") == 0) |
| 308 | model_mon_info_free_p = 1; |
| 309 | } |
| 310 | |
| 311 | if (!model_create_p) |
| 312 | { |
| 313 | lf_print_function_type (file, "model_data *", "INLINE_MODEL", "\n"); |
| 314 | lf_printf (file, "model_create(sim_cpu *cpu)\n"); |
| 315 | lf_printf (file, "{\n"); |
| 316 | lf_printf (file, " return (model_data *)0;\n"); |
| 317 | lf_printf (file, "}\n"); |
| 318 | lf_printf (file, "\n"); |
| 319 | } |
| 320 | |
| 321 | if (!model_init_p) |
| 322 | { |
| 323 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); |
| 324 | lf_printf (file, "model_init(model_data *model_ptr)\n"); |
| 325 | lf_printf (file, "{\n"); |
| 326 | lf_printf (file, "}\n"); |
| 327 | lf_printf (file, "\n"); |
| 328 | } |
| 329 | |
| 330 | if (!model_halt_p) |
| 331 | { |
| 332 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); |
| 333 | lf_printf (file, "model_halt(model_data *model_ptr)\n"); |
| 334 | lf_printf (file, "{\n"); |
| 335 | lf_printf (file, "}\n"); |
| 336 | lf_printf (file, "\n"); |
| 337 | } |
| 338 | |
| 339 | if (!model_mon_info_p) |
| 340 | { |
| 341 | lf_print_function_type (file, "model_print *", "INLINE_MODEL", "\n"); |
| 342 | lf_printf (file, "model_mon_info(model_data *model_ptr)\n"); |
| 343 | lf_printf (file, "{\n"); |
| 344 | lf_printf (file, " return (model_print *)0;\n"); |
| 345 | lf_printf (file, "}\n"); |
| 346 | lf_printf (file, "\n"); |
| 347 | } |
| 348 | |
| 349 | if (!model_mon_info_free_p) |
| 350 | { |
| 351 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); |
| 352 | lf_printf (file, "model_mon_info_free(model_data *model_ptr,\n"); |
| 353 | lf_printf (file, " model_print *info_ptr)\n"); |
| 354 | lf_printf (file, "{\n"); |
| 355 | lf_printf (file, "}\n"); |
| 356 | lf_printf (file, "\n"); |
| 357 | } |
| 358 | |
| 359 | lf_printf (file, "/* Insn functional unit info */\n"); |
| 360 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) |
| 361 | { |
| 362 | model_c_passed_data data; |
| 363 | |
| 364 | lf_printf (file, "static const model_time model_time_%s[] = {\n", |
| 365 | model_ptr->name); |
| 366 | data.file = file; |
| 367 | data.model_ptr = model_ptr; |
| 368 | insn_table_traverse_insn (table, NULL, (void *) &data, model_c_insn); |
| 369 | |
| 370 | lf_printf (file, "};\n"); |
| 371 | lf_printf (file, "\n"); |
| 372 | lf_printf (file, "\f\n"); |
| 373 | } |
| 374 | |
| 375 | lf_printf (file, "#ifndef _INLINE_C_\n"); |
| 376 | lf_printf (file, |
| 377 | "const model_time *const model_time_mapping[ (int)nr_models ] = {\n"); |
| 378 | lf_printf (file, " (const model_time *const)0,\n"); |
| 379 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) |
| 380 | { |
| 381 | lf_printf (file, " model_time_%s,\n", model_ptr->name); |
| 382 | } |
| 383 | lf_printf (file, "};\n"); |
| 384 | lf_printf (file, "#endif\n"); |
| 385 | lf_printf (file, "\n"); |
| 386 | |
| 387 | lf_printf (file, "\f\n"); |
| 388 | lf_printf (file, "/* map model enumeration into printable string */\n"); |
| 389 | lf_printf (file, "#ifndef _INLINE_C_\n"); |
| 390 | lf_printf (file, "const char *model_name[ (int)nr_models ] = {\n"); |
| 391 | lf_printf (file, " \"NONE\",\n"); |
| 392 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) |
| 393 | { |
| 394 | lf_printf (file, " \"%s\",\n", model_ptr->printable_name); |
| 395 | } |
| 396 | lf_printf (file, "};\n"); |
| 397 | lf_printf (file, "#endif\n"); |
| 398 | lf_printf (file, "\n"); |
| 399 | |
| 400 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); |
| 401 | lf_printf (file, "model_set(const char *name)\n"); |
| 402 | lf_printf (file, "{\n"); |
| 403 | if (models) |
| 404 | { |
| 405 | lf_printf (file, " model_enum model;\n"); |
| 406 | lf_printf (file, |
| 407 | " for(model = MODEL_%s; model < nr_models; model++) {\n", |
| 408 | models->name); |
| 409 | lf_printf (file, " if(strcmp(name, model_name[model]) == 0) {\n"); |
| 410 | lf_printf (file, " current_model = model;\n"); |
| 411 | lf_printf (file, " return;\n"); |
| 412 | lf_printf (file, " }\n"); |
| 413 | lf_printf (file, " }\n"); |
| 414 | lf_printf (file, "\n"); |
| 415 | lf_printf (file, |
| 416 | " error(\"Unknown model '%%s', Models which are known are:%%s\n\",\n"); |
| 417 | lf_printf (file, " name,\n"); |
| 418 | lf_printf (file, " \""); |
| 419 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) |
| 420 | { |
| 421 | lf_printf (file, "\\n\\t%s", model_ptr->printable_name); |
| 422 | } |
| 423 | lf_printf (file, "\");\n"); |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | lf_printf (file, " error(\"No models are currently known about\");\n"); |
| 428 | } |
| 429 | |
| 430 | lf_printf (file, "}\n"); |
| 431 | } |
| 432 | |
| 433 | #endif |
| 434 | |
| 435 | |
| 436 | |
| 437 | void |
| 438 | gen_model_h (lf *file, insn_table *table) |
| 439 | { |
| 440 | lf_print__this_file_is_empty (file, "suffering bit rot"); |
| 441 | } |
| 442 | |
| 443 | |
| 444 | void |
| 445 | gen_model_c (lf *file, insn_table *table) |
| 446 | { |
| 447 | lf_print__this_file_is_empty (file, "suffering bit rot"); |
| 448 | } |