Commit | Line | Data |
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feaee4bd AC |
1 | /* The IGEN simulator generator for GDB, the GNU Debugger. |
2 | ||
9b254dd1 | 3 | Copyright 2002, 2007, 2008 Free Software Foundation, Inc. |
feaee4bd AC |
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 | |
4744ac1b | 11 | the Free Software Foundation; either version 3 of the License, or |
feaee4bd AC |
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 | |
4744ac1b | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
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 | |
4e0bf4c4 | 41 | model_c_or_h_data (insn_table *table, lf *file, table_entry *data) |
c906108c | 42 | { |
4e0bf4c4 AC |
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 | } | |
c906108c SS |
50 | } |
51 | ||
52 | static void | |
4e0bf4c4 AC |
53 | model_c_or_h_function (insn_table *entry, |
54 | lf *file, table_entry *function, char *prefix) | |
c906108c SS |
55 | { |
56 | if (function->fields[function_type] == NULL | |
4e0bf4c4 AC |
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"); | |
c906108c SS |
68 | } |
69 | ||
4e0bf4c4 AC |
70 | void |
71 | gen_model_h (insn_table *table, lf *file) | |
c906108c SS |
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 | ||
4e0bf4c4 AC |
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"); | |
c906108c SS |
175 | } |
176 | ||
177 | /****************************************************************/ | |
178 | ||
179 | typedef struct _model_c_passed_data model_c_passed_data; | |
4e0bf4c4 AC |
180 | struct _model_c_passed_data |
181 | { | |
c906108c SS |
182 | lf *file; |
183 | model *model_ptr; | |
184 | }; | |
185 | ||
186 | static void | |
4e0bf4c4 AC |
187 | model_c_insn (insn_table *entry, |
188 | lf *phony_file, void *data, insn * instruction, int depth) | |
c906108c | 189 | { |
4e0bf4c4 | 190 | model_c_passed_data *data_ptr = (model_c_passed_data *) data; |
c906108c SS |
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 | ||
4e0bf4c4 AC |
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; | |
c906108c SS |
207 | } |
208 | ||
4e0bf4c4 AC |
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]); | |
c906108c SS |
213 | } |
214 | ||
215 | static void | |
4e0bf4c4 AC |
216 | model_c_function (insn_table *table, |
217 | lf *file, table_entry *function, const char *prefix) | |
c906108c SS |
218 | { |
219 | if (function->fields[function_type] == NULL | |
220 | || function->fields[function_type][0] == '\0') | |
221 | { | |
4e0bf4c4 AC |
222 | error ("Model function return type not specified for %s", |
223 | function->fields[function_name]); | |
c906108c SS |
224 | } |
225 | else | |
226 | { | |
4e0bf4c4 AC |
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]); | |
c906108c | 232 | } |
4e0bf4c4 | 233 | lf_printf (file, "{\n"); |
c906108c SS |
234 | if (function->annex) |
235 | { | |
4e0bf4c4 AC |
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); | |
c906108c | 240 | } |
4e0bf4c4 AC |
241 | lf_printf (file, "}\n"); |
242 | lf_print__internal_reference (file); | |
243 | lf_printf (file, "\n"); | |
c906108c SS |
244 | } |
245 | ||
4e0bf4c4 AC |
246 | void |
247 | gen_model_c (insn_table *table, lf *file) | |
c906108c SS |
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 | ||
4e0bf4c4 AC |
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"); | |
c906108c | 428 | } |
c906108c | 429 | |
4e0bf4c4 | 430 | lf_printf (file, "}\n"); |
c906108c SS |
431 | } |
432 | ||
433 | #endif | |
434 | ||
435 | ||
436 | ||
437 | void | |
4e0bf4c4 | 438 | gen_model_h (lf *file, insn_table *table) |
c906108c SS |
439 | { |
440 | lf_print__this_file_is_empty (file, "suffering bit rot"); | |
441 | } | |
442 | ||
443 | ||
444 | void | |
4e0bf4c4 | 445 | gen_model_c (lf *file, insn_table *table) |
c906108c SS |
446 | { |
447 | lf_print__this_file_is_empty (file, "suffering bit rot"); | |
448 | } |