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1 /* frv simulator fr450 dependent profiling code.
2
3 Copyright (C) 2001, 2004, 2007 Free Software Foundation, Inc.
4 Contributed by Red Hat
5
6 This file is part of the GNU simulators.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20
21 */
22 #define WANT_CPU
23 #define WANT_CPU_FRVBF
24
25 #include "sim-main.h"
26 #include "bfd.h"
27
28 #if WITH_PROFILE_MODEL_P
29
30 #include "profile.h"
31 #include "profile-fr400.h"
32
33 int
34 frvbf_model_fr450_u_exec (SIM_CPU *cpu, const IDESC *idesc,
35 int unit_num, int referenced)
36 {
37 return idesc->timing->units[unit_num].done;
38 }
39
40 int
41 frvbf_model_fr450_u_integer (SIM_CPU *cpu, const IDESC *idesc,
42 int unit_num, int referenced,
43 INT in_GRi, INT in_GRj, INT out_GRk,
44 INT out_ICCi_1)
45 {
46 /* Modelling for this unit is the same as for fr500. */
47 return frvbf_model_fr500_u_integer (cpu, idesc, unit_num, referenced,
48 in_GRi, in_GRj, out_GRk, out_ICCi_1);
49 }
50
51 int
52 frvbf_model_fr450_u_imul (SIM_CPU *cpu, const IDESC *idesc,
53 int unit_num, int referenced,
54 INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
55 {
56 int cycles;
57
58 if (model_insn == FRV_INSN_MODEL_PASS_1)
59 {
60 /* Pass 1 is the same as for fr500. */
61 return frvbf_model_fr500_u_imul (cpu, idesc, unit_num, referenced,
62 in_GRi, in_GRj, out_GRk, out_ICCi_1);
63 }
64
65 /* icc0-icc4 are the upper 4 fields of the CCR. */
66 if (out_ICCi_1 >= 0)
67 out_ICCi_1 += 4;
68
69 /* GRk and IACCi_1 have a latency of 1 cycle. */
70 cycles = idesc->timing->units[unit_num].done;
71 update_GRdouble_latency (cpu, out_GRk, cycles + 1);
72 update_CCR_latency (cpu, out_ICCi_1, cycles + 1);
73
74 return cycles;
75 }
76
77 int
78 frvbf_model_fr450_u_idiv (SIM_CPU *cpu, const IDESC *idesc,
79 int unit_num, int referenced,
80 INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
81 {
82 int cycles;
83
84 if (model_insn == FRV_INSN_MODEL_PASS_1)
85 {
86 /* Pass 1 is the same as for fr500. */
87 return frvbf_model_fr500_u_idiv (cpu, idesc, unit_num, referenced,
88 in_GRi, in_GRj, out_GRk, out_ICCi_1);
89 }
90
91 /* icc0-icc4 are the upper 4 fields of the CCR. */
92 if (out_ICCi_1 >= 0)
93 out_ICCi_1 += 4;
94
95 /* GRk, ICCi_1 and the divider have a latency of 18 cycles */
96 cycles = idesc->timing->units[unit_num].done;
97 update_GR_latency (cpu, out_GRk, cycles + 18);
98 update_CCR_latency (cpu, out_ICCi_1, cycles + 18);
99 update_idiv_resource_latency (cpu, 0, cycles + 18);
100
101 return cycles;
102 }
103
104 int
105 frvbf_model_fr450_u_branch (SIM_CPU *cpu, const IDESC *idesc,
106 int unit_num, int referenced,
107 INT in_GRi, INT in_GRj,
108 INT in_ICCi_2, INT in_ICCi_3)
109 {
110 /* Modelling for this unit is the same as for fr400. */
111 return frvbf_model_fr400_u_branch (cpu, idesc, unit_num, referenced,
112 in_GRi, in_GRj, in_ICCi_2, in_ICCi_3);
113 }
114
115 int
116 frvbf_model_fr450_u_trap (SIM_CPU *cpu, const IDESC *idesc,
117 int unit_num, int referenced,
118 INT in_GRi, INT in_GRj,
119 INT in_ICCi_2, INT in_FCCi_2)
120 {
121 /* Modelling for this unit is the same as for fr500. */
122 return frvbf_model_fr500_u_trap (cpu, idesc, unit_num, referenced,
123 in_GRi, in_GRj, in_ICCi_2, in_FCCi_2);
124 }
125
126 int
127 frvbf_model_fr450_u_check (SIM_CPU *cpu, const IDESC *idesc,
128 int unit_num, int referenced,
129 INT in_ICCi_3, INT in_FCCi_3)
130 {
131 /* Modelling for this unit is the same as for fr500. */
132 return frvbf_model_fr500_u_check (cpu, idesc, unit_num, referenced,
133 in_ICCi_3, in_FCCi_3);
134 }
135
136 int
137 frvbf_model_fr450_u_set_hilo (SIM_CPU *cpu, const IDESC *idesc,
138 int unit_num, int referenced,
139 INT out_GRkhi, INT out_GRklo)
140 {
141 /* Modelling for this unit is the same as for fr500. */
142 return frvbf_model_fr500_u_set_hilo (cpu, idesc, unit_num, referenced,
143 out_GRkhi, out_GRklo);
144 }
145
146 int
147 frvbf_model_fr450_u_gr_load (SIM_CPU *cpu, const IDESC *idesc,
148 int unit_num, int referenced,
149 INT in_GRi, INT in_GRj,
150 INT out_GRk, INT out_GRdoublek)
151 {
152 int cycles;
153
154 if (model_insn == FRV_INSN_MODEL_PASS_1)
155 {
156 /* Pass 1 is the same as for fr500. */
157 return frvbf_model_fr500_u_fr_load (cpu, idesc, unit_num, referenced,
158 in_GRi, in_GRj, out_GRk,
159 out_GRdoublek);
160 }
161
162 cycles = idesc->timing->units[unit_num].done;
163
164 /* The latency of GRk for a load will depend on how long it takes to retrieve
165 the the data from the cache or memory. */
166 update_GR_latency_for_load (cpu, out_GRk, cycles);
167 update_GRdouble_latency_for_load (cpu, out_GRdoublek, cycles);
168
169 if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
170 {
171 /* GNER has a latency of 2 cycles. */
172 update_SPR_latency (cpu, GNER_FOR_GR (out_GRk), cycles + 2);
173 update_SPR_latency (cpu, GNER_FOR_GR (out_GRdoublek), cycles + 2);
174 }
175
176 return cycles;
177 }
178
179 int
180 frvbf_model_fr450_u_gr_store (SIM_CPU *cpu, const IDESC *idesc,
181 int unit_num, int referenced,
182 INT in_GRi, INT in_GRj,
183 INT in_GRk, INT in_GRdoublek)
184 {
185 /* Modelling for this unit is the same as for fr500. */
186 return frvbf_model_fr500_u_gr_store (cpu, idesc, unit_num, referenced,
187 in_GRi, in_GRj, in_GRk, in_GRdoublek);
188 }
189
190 int
191 frvbf_model_fr450_u_fr_load (SIM_CPU *cpu, const IDESC *idesc,
192 int unit_num, int referenced,
193 INT in_GRi, INT in_GRj,
194 INT out_FRk, INT out_FRdoublek)
195 {
196 /* Modelling for this unit is the same as for fr400. */
197 return frvbf_model_fr400_u_fr_load (cpu, idesc, unit_num, referenced,
198 in_GRi, in_GRj, out_FRk, out_FRdoublek);
199 }
200
201 int
202 frvbf_model_fr450_u_fr_store (SIM_CPU *cpu, const IDESC *idesc,
203 int unit_num, int referenced,
204 INT in_GRi, INT in_GRj,
205 INT in_FRk, INT in_FRdoublek)
206 {
207 /* Modelling for this unit is the same as for fr400. */
208 return frvbf_model_fr400_u_fr_load (cpu, idesc, unit_num, referenced,
209 in_GRi, in_GRj, in_FRk, in_FRdoublek);
210 }
211
212 int
213 frvbf_model_fr450_u_swap (SIM_CPU *cpu, const IDESC *idesc,
214 int unit_num, int referenced,
215 INT in_GRi, INT in_GRj, INT out_GRk)
216 {
217 /* Modelling for this unit is the same as for fr500. */
218 return frvbf_model_fr500_u_swap (cpu, idesc, unit_num, referenced,
219 in_GRi, in_GRj, out_GRk);
220 }
221
222 int
223 frvbf_model_fr450_u_fr2gr (SIM_CPU *cpu, const IDESC *idesc,
224 int unit_num, int referenced,
225 INT in_FRk, INT out_GRj)
226 {
227 int cycles;
228
229 if (model_insn == FRV_INSN_MODEL_PASS_1)
230 {
231 /* Pass 1 is the same as for fr400. */
232 return frvbf_model_fr500_u_fr2gr (cpu, idesc, unit_num, referenced,
233 in_FRk, out_GRj);
234 }
235
236 /* The latency of GRj is 1 cycle. */
237 cycles = idesc->timing->units[unit_num].done;
238 update_GR_latency (cpu, out_GRj, cycles + 1);
239
240 return cycles;
241 }
242
243 int
244 frvbf_model_fr450_u_spr2gr (SIM_CPU *cpu, const IDESC *idesc,
245 int unit_num, int referenced,
246 INT in_spr, INT out_GRj)
247 {
248 /* Modelling for this unit is the same as for fr500. */
249 return frvbf_model_fr500_u_spr2gr (cpu, idesc, unit_num, referenced,
250 in_spr, out_GRj);
251 }
252
253 int
254 frvbf_model_fr450_u_gr2fr (SIM_CPU *cpu, const IDESC *idesc,
255 int unit_num, int referenced,
256 INT in_GRj, INT out_FRk)
257 {
258 /* Modelling for this unit is the same as for fr400. */
259 return frvbf_model_fr400_u_gr2fr (cpu, idesc, unit_num, referenced,
260 in_GRj, out_FRk);
261 }
262
263 int
264 frvbf_model_fr450_u_gr2spr (SIM_CPU *cpu, const IDESC *idesc,
265 int unit_num, int referenced,
266 INT in_GRj, INT out_spr)
267 {
268 /* Modelling for this unit is the same as for fr500. */
269 return frvbf_model_fr500_u_gr2spr (cpu, idesc, unit_num, referenced,
270 in_GRj, out_spr);
271 }
272
273 int
274 frvbf_model_fr450_u_media_1 (SIM_CPU *cpu, const IDESC *idesc,
275 int unit_num, int referenced,
276 INT in_FRi, INT in_FRj,
277 INT out_FRk)
278 {
279 /* Modelling for this unit is the same as for fr400. */
280 return frvbf_model_fr400_u_media_1 (cpu, idesc, unit_num, referenced,
281 in_FRi, in_FRj, out_FRk);
282 }
283
284 int
285 frvbf_model_fr450_u_media_1_quad (SIM_CPU *cpu, const IDESC *idesc,
286 int unit_num, int referenced,
287 INT in_FRi, INT in_FRj,
288 INT out_FRk)
289 {
290 /* Modelling for this unit is the same as for fr400. */
291 return frvbf_model_fr400_u_media_1_quad (cpu, idesc, unit_num, referenced,
292 in_FRi, in_FRj, out_FRk);
293 }
294
295 int
296 frvbf_model_fr450_u_media_hilo (SIM_CPU *cpu, const IDESC *idesc,
297 int unit_num, int referenced,
298 INT out_FRkhi, INT out_FRklo)
299 {
300 /* Modelling for this unit is the same as for fr400. */
301 return frvbf_model_fr400_u_media_hilo (cpu, idesc, unit_num, referenced,
302 out_FRkhi, out_FRklo);
303 }
304
305 int
306 frvbf_model_fr450_u_media_2 (SIM_CPU *cpu, const IDESC *idesc,
307 int unit_num, int referenced,
308 INT in_FRi, INT in_FRj,
309 INT out_ACC40Sk, INT out_ACC40Uk)
310 {
311 /* Modelling for this unit is the same as for fr400. */
312 return frvbf_model_fr400_u_media_2 (cpu, idesc, unit_num, referenced,
313 in_FRi, in_FRj, out_ACC40Sk,
314 out_ACC40Uk);
315 }
316
317 int
318 frvbf_model_fr450_u_media_2_quad (SIM_CPU *cpu, const IDESC *idesc,
319 int unit_num, int referenced,
320 INT in_FRi, INT in_FRj,
321 INT out_ACC40Sk, INT out_ACC40Uk)
322 {
323 /* Modelling for this unit is the same as for fr400. */
324 return frvbf_model_fr400_u_media_2_quad (cpu, idesc, unit_num, referenced,
325 in_FRi, in_FRj, out_ACC40Sk,
326 out_ACC40Uk);
327 }
328
329 int
330 frvbf_model_fr450_u_media_2_acc (SIM_CPU *cpu, const IDESC *idesc,
331 int unit_num, int referenced,
332 INT in_ACC40Si, INT out_ACC40Sk)
333 {
334 /* Modelling for this unit is the same as for fr400. */
335 return frvbf_model_fr400_u_media_2_acc (cpu, idesc, unit_num, referenced,
336 in_ACC40Si, out_ACC40Sk);
337 }
338
339 int
340 frvbf_model_fr450_u_media_2_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
341 int unit_num, int referenced,
342 INT in_ACC40Si, INT out_ACC40Sk)
343 {
344 /* Modelling for this unit is the same as for fr400. */
345 return frvbf_model_fr400_u_media_2_acc_dual (cpu, idesc, unit_num,
346 referenced, in_ACC40Si,
347 out_ACC40Sk);
348 }
349
350 int
351 frvbf_model_fr450_u_media_2_add_sub (SIM_CPU *cpu, const IDESC *idesc,
352 int unit_num, int referenced,
353 INT in_ACC40Si, INT out_ACC40Sk)
354 {
355 /* Modelling for this unit is the same as for fr400. */
356 return frvbf_model_fr400_u_media_2_add_sub (cpu, idesc, unit_num,
357 referenced, in_ACC40Si,
358 out_ACC40Sk);
359 }
360
361 int
362 frvbf_model_fr450_u_media_2_add_sub_dual (SIM_CPU *cpu, const IDESC *idesc,
363 int unit_num, int referenced,
364 INT in_ACC40Si, INT out_ACC40Sk)
365 {
366 /* Modelling for this unit is the same as for fr400. */
367 return frvbf_model_fr400_u_media_2_add_sub_dual (cpu, idesc, unit_num,
368 referenced, in_ACC40Si,
369 out_ACC40Sk);
370 }
371
372 int
373 frvbf_model_fr450_u_media_3 (SIM_CPU *cpu, const IDESC *idesc,
374 int unit_num, int referenced,
375 INT in_FRi, INT in_FRj,
376 INT out_FRk)
377 {
378 /* Modelling is the same as media unit 1. */
379 return frvbf_model_fr450_u_media_1 (cpu, idesc, unit_num, referenced,
380 in_FRi, in_FRj, out_FRk);
381 }
382
383 int
384 frvbf_model_fr450_u_media_3_dual (SIM_CPU *cpu, const IDESC *idesc,
385 int unit_num, int referenced,
386 INT in_FRi, INT out_FRk)
387 {
388 /* Modelling for this unit is the same as for fr400. */
389 return frvbf_model_fr400_u_media_3_dual (cpu, idesc, unit_num, referenced,
390 in_FRi, out_FRk);
391 }
392
393 int
394 frvbf_model_fr450_u_media_3_quad (SIM_CPU *cpu, const IDESC *idesc,
395 int unit_num, int referenced,
396 INT in_FRi, INT in_FRj,
397 INT out_FRk)
398 {
399 /* Modelling is the same as media unit 1. */
400 return frvbf_model_fr450_u_media_1_quad (cpu, idesc, unit_num, referenced,
401 in_FRi, in_FRj, out_FRk);
402 }
403
404 int
405 frvbf_model_fr450_u_media_4 (SIM_CPU *cpu, const IDESC *idesc,
406 int unit_num, int referenced,
407 INT in_ACC40Si, INT in_FRj,
408 INT out_ACC40Sk, INT out_FRk)
409 {
410 /* Modelling for this unit is the same as for fr400. */
411 return frvbf_model_fr400_u_media_4 (cpu, idesc, unit_num, referenced,
412 in_ACC40Si, in_FRj,
413 out_ACC40Sk, out_FRk);
414 }
415
416 int
417 frvbf_model_fr450_u_media_4_accg (SIM_CPU *cpu, const IDESC *idesc,
418 int unit_num, int referenced,
419 INT in_ACCGi, INT in_FRinti,
420 INT out_ACCGk, INT out_FRintk)
421 {
422 /* Modelling is the same as media-4 unit except use accumulator guards
423 as input instead of accumulators. */
424 return frvbf_model_fr450_u_media_4 (cpu, idesc, unit_num, referenced,
425 in_ACCGi, in_FRinti,
426 out_ACCGk, out_FRintk);
427 }
428
429 int
430 frvbf_model_fr450_u_media_4_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
431 int unit_num, int referenced,
432 INT in_ACC40Si, INT out_FRk)
433 {
434 /* Modelling for this unit is the same as for fr400. */
435 return frvbf_model_fr400_u_media_4_acc_dual (cpu, idesc, unit_num,
436 referenced, in_ACC40Si,
437 out_FRk);
438 }
439
440 int
441 frvbf_model_fr450_u_media_4_mclracca (SIM_CPU *cpu, const IDESC *idesc,
442 int unit_num, int referenced)
443 {
444 int cycles;
445 int acc;
446 FRV_PROFILE_STATE *ps;
447
448 if (model_insn == FRV_INSN_MODEL_PASS_1)
449 return 0;
450
451 /* The preprocessing can execute right away. */
452 cycles = idesc->timing->units[unit_num].done;
453
454 ps = CPU_PROFILE_STATE (cpu);
455
456 /* The post processing must wait for any pending ACC writes. */
457 ps->post_wait = cycles;
458 for (acc = 0; acc < 4; acc++)
459 post_wait_for_ACC (cpu, acc);
460 for (acc = 8; acc < 12; acc++)
461 post_wait_for_ACC (cpu, acc);
462
463 for (acc = 0; acc < 4; acc++)
464 {
465 update_ACC_latency (cpu, acc, ps->post_wait);
466 update_ACC_ptime (cpu, acc, 2);
467 }
468 for (acc = 8; acc < 12; acc++)
469 {
470 update_ACC_latency (cpu, acc, ps->post_wait);
471 update_ACC_ptime (cpu, acc, 2);
472 }
473
474 return cycles;
475 }
476
477 int
478 frvbf_model_fr450_u_media_6 (SIM_CPU *cpu, const IDESC *idesc,
479 int unit_num, int referenced,
480 INT in_FRi, INT out_FRk)
481 {
482 /* Modelling for this unit is the same as for fr400. */
483 return frvbf_model_fr400_u_media_6 (cpu, idesc, unit_num, referenced,
484 in_FRi, out_FRk);
485 }
486
487 int
488 frvbf_model_fr450_u_media_7 (SIM_CPU *cpu, const IDESC *idesc,
489 int unit_num, int referenced,
490 INT in_FRinti, INT in_FRintj,
491 INT out_FCCk)
492 {
493 /* Modelling for this unit is the same as for fr400. */
494 return frvbf_model_fr400_u_media_7 (cpu, idesc, unit_num, referenced,
495 in_FRinti, in_FRintj, out_FCCk);
496 }
497
498 int
499 frvbf_model_fr450_u_media_dual_expand (SIM_CPU *cpu, const IDESC *idesc,
500 int unit_num, int referenced,
501 INT in_FRi,
502 INT out_FRk)
503 {
504 /* Modelling for this unit is the same as for fr400. */
505 return frvbf_model_fr400_u_media_dual_expand (cpu, idesc, unit_num,
506 referenced, in_FRi, out_FRk);
507 }
508
509 int
510 frvbf_model_fr450_u_media_dual_htob (SIM_CPU *cpu, const IDESC *idesc,
511 int unit_num, int referenced,
512 INT in_FRj,
513 INT out_FRk)
514 {
515 /* Modelling for this unit is the same as for fr400. */
516 return frvbf_model_fr400_u_media_dual_htob (cpu, idesc, unit_num,
517 referenced, in_FRj, out_FRk);
518 }
519
520 int
521 frvbf_model_fr450_u_ici (SIM_CPU *cpu, const IDESC *idesc,
522 int unit_num, int referenced,
523 INT in_GRi, INT in_GRj)
524 {
525 /* Modelling for this unit is the same as for fr500. */
526 return frvbf_model_fr500_u_ici (cpu, idesc, unit_num, referenced,
527 in_GRi, in_GRj);
528 }
529
530 int
531 frvbf_model_fr450_u_dci (SIM_CPU *cpu, const IDESC *idesc,
532 int unit_num, int referenced,
533 INT in_GRi, INT in_GRj)
534 {
535 /* Modelling for this unit is the same as for fr500. */
536 return frvbf_model_fr500_u_dci (cpu, idesc, unit_num, referenced,
537 in_GRi, in_GRj);
538 }
539
540 int
541 frvbf_model_fr450_u_dcf (SIM_CPU *cpu, const IDESC *idesc,
542 int unit_num, int referenced,
543 INT in_GRi, INT in_GRj)
544 {
545 /* Modelling for this unit is the same as for fr500. */
546 return frvbf_model_fr500_u_dcf (cpu, idesc, unit_num, referenced,
547 in_GRi, in_GRj);
548 }
549
550 int
551 frvbf_model_fr450_u_icpl (SIM_CPU *cpu, const IDESC *idesc,
552 int unit_num, int referenced,
553 INT in_GRi, INT in_GRj)
554 {
555 /* Modelling for this unit is the same as for fr500. */
556 return frvbf_model_fr500_u_icpl (cpu, idesc, unit_num, referenced,
557 in_GRi, in_GRj);
558 }
559
560 int
561 frvbf_model_fr450_u_dcpl (SIM_CPU *cpu, const IDESC *idesc,
562 int unit_num, int referenced,
563 INT in_GRi, INT in_GRj)
564 {
565 /* Modelling for this unit is the same as for fr500. */
566 return frvbf_model_fr500_u_dcpl (cpu, idesc, unit_num, referenced,
567 in_GRi, in_GRj);
568 }
569
570 int
571 frvbf_model_fr450_u_icul (SIM_CPU *cpu, const IDESC *idesc,
572 int unit_num, int referenced,
573 INT in_GRi, INT in_GRj)
574 {
575 /* Modelling for this unit is the same as for fr500. */
576 return frvbf_model_fr500_u_icul (cpu, idesc, unit_num, referenced,
577 in_GRi, in_GRj);
578 }
579
580 int
581 frvbf_model_fr450_u_dcul (SIM_CPU *cpu, const IDESC *idesc,
582 int unit_num, int referenced,
583 INT in_GRi, INT in_GRj)
584 {
585 /* Modelling for this unit is the same as for fr500. */
586 return frvbf_model_fr500_u_dcul (cpu, idesc, unit_num, referenced,
587 in_GRi, in_GRj);
588 }
589
590 int
591 frvbf_model_fr450_u_barrier (SIM_CPU *cpu, const IDESC *idesc,
592 int unit_num, int referenced)
593 {
594 /* Modelling for this unit is the same as for fr500. */
595 return frvbf_model_fr500_u_barrier (cpu, idesc, unit_num, referenced);
596 }
597
598 int
599 frvbf_model_fr450_u_membar (SIM_CPU *cpu, const IDESC *idesc,
600 int unit_num, int referenced)
601 {
602 /* Modelling for this unit is the same as for fr500. */
603 return frvbf_model_fr500_u_membar (cpu, idesc, unit_num, referenced);
604 }
605
606 #endif /* WITH_PROFILE_MODEL_P */