Commit | Line | Data |
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98fa08a5 | 1 | // SPDX-License-Identifier: LGPL-2.1-or-later |
d16005f8 | 2 | /* |
98fa08a5 | 3 | * Copyright (C) 2019-2021 Paul Cercueil <paul@crapouillou.net> |
d16005f8 PC |
4 | */ |
5 | ||
d8b04acd | 6 | #include "blockcache.h" |
d16005f8 PC |
7 | #include "debug.h" |
8 | #include "interpreter.h" | |
9 | #include "lightrec-private.h" | |
10 | #include "memmanager.h" | |
d8b04acd | 11 | #include "reaper.h" |
a59e5536 | 12 | #include "slist.h" |
d16005f8 PC |
13 | |
14 | #include <errno.h> | |
15 | #include <stdatomic.h> | |
16 | #include <stdbool.h> | |
17 | #include <stdlib.h> | |
18 | #include <pthread.h> | |
98fa08a5 PC |
19 | #ifdef __linux__ |
20 | #include <unistd.h> | |
21 | #endif | |
d16005f8 PC |
22 | |
23 | struct block_rec { | |
24 | struct block *block; | |
a59e5536 | 25 | struct slist_elm slist; |
a5a6f7b8 | 26 | unsigned int requests; |
98fa08a5 PC |
27 | bool compiling; |
28 | }; | |
29 | ||
30 | struct recompiler_thd { | |
31 | struct lightrec_cstate *cstate; | |
32 | unsigned int tid; | |
33 | pthread_t thd; | |
d16005f8 PC |
34 | }; |
35 | ||
36 | struct recompiler { | |
37 | struct lightrec_state *state; | |
d16005f8 | 38 | pthread_cond_t cond; |
98fa08a5 | 39 | pthread_cond_t cond2; |
d16005f8 | 40 | pthread_mutex_t mutex; |
878e6cda | 41 | bool stop, pause, must_flush; |
a59e5536 | 42 | struct slist_elm slist; |
98fa08a5 | 43 | |
d8b04acd PC |
44 | pthread_mutex_t alloc_mutex; |
45 | ||
98fa08a5 PC |
46 | unsigned int nb_recs; |
47 | struct recompiler_thd thds[]; | |
d16005f8 PC |
48 | }; |
49 | ||
98fa08a5 PC |
50 | static unsigned int get_processors_count(void) |
51 | { | |
878e6cda | 52 | int nb = 1; |
98fa08a5 PC |
53 | |
54 | #if defined(PTW32_VERSION) | |
55 | nb = pthread_num_processors_np(); | |
56 | #elif defined(__APPLE__) || defined(__FreeBSD__) | |
57 | int count; | |
58 | size_t size = sizeof(count); | |
59 | ||
60 | nb = sysctlbyname("hw.ncpu", &count, &size, NULL, 0) ? 1 : count; | |
11357fef | 61 | #elif defined(_SC_NPROCESSORS_ONLN) |
878e6cda | 62 | nb = (int)sysconf(_SC_NPROCESSORS_ONLN); |
98fa08a5 PC |
63 | #endif |
64 | ||
65 | return nb < 1 ? 1 : nb; | |
66 | } | |
67 | ||
a5a6f7b8 | 68 | static struct block_rec * lightrec_get_best_elm(struct slist_elm *head) |
98fa08a5 | 69 | { |
a5a6f7b8 | 70 | struct block_rec *block_rec, *best = NULL; |
98fa08a5 PC |
71 | struct slist_elm *elm; |
72 | ||
73 | for (elm = slist_first(head); elm; elm = elm->next) { | |
74 | block_rec = container_of(elm, struct block_rec, slist); | |
75 | ||
a5a6f7b8 PC |
76 | if (!block_rec->compiling |
77 | && (!best || block_rec->requests > best->requests)) | |
78 | best = block_rec; | |
98fa08a5 PC |
79 | } |
80 | ||
a5a6f7b8 | 81 | return best; |
98fa08a5 PC |
82 | } |
83 | ||
d8b04acd PC |
84 | static bool lightrec_cancel_block_rec(struct recompiler *rec, |
85 | struct block_rec *block_rec) | |
86 | { | |
87 | if (block_rec->compiling) { | |
88 | /* Block is being recompiled - wait for | |
89 | * completion */ | |
90 | pthread_cond_wait(&rec->cond2, &rec->mutex); | |
91 | ||
92 | /* We can't guarantee the signal was for us. | |
93 | * Since block_rec may have been removed while | |
94 | * we were waiting on the condition, we cannot | |
95 | * check block_rec->compiling again. The best | |
96 | * thing is just to restart the function. */ | |
97 | return false; | |
98 | } | |
99 | ||
100 | /* Block is not yet being processed - remove it from the list */ | |
101 | slist_remove(&rec->slist, &block_rec->slist); | |
102 | lightrec_free(rec->state, MEM_FOR_LIGHTREC, | |
103 | sizeof(*block_rec), block_rec); | |
104 | ||
105 | return true; | |
106 | } | |
107 | ||
108 | static void lightrec_cancel_list(struct recompiler *rec) | |
109 | { | |
110 | struct block_rec *block_rec; | |
ba3814c1 | 111 | struct slist_elm *elm, *head = &rec->slist; |
d8b04acd | 112 | |
ba3814c1 PC |
113 | for (elm = slist_first(head); elm; elm = slist_first(head)) { |
114 | block_rec = container_of(elm, struct block_rec, slist); | |
d8b04acd PC |
115 | lightrec_cancel_block_rec(rec, block_rec); |
116 | } | |
d8b04acd PC |
117 | } |
118 | ||
119 | static void lightrec_flush_code_buffer(struct lightrec_state *state, void *d) | |
120 | { | |
121 | struct recompiler *rec = d; | |
122 | ||
ba3814c1 PC |
123 | lightrec_remove_outdated_blocks(state->block_cache, NULL); |
124 | rec->must_flush = false; | |
d8b04acd PC |
125 | } |
126 | ||
98fa08a5 PC |
127 | static void lightrec_compile_list(struct recompiler *rec, |
128 | struct recompiler_thd *thd) | |
d16005f8 | 129 | { |
a59e5536 | 130 | struct block_rec *block_rec; |
d16005f8 PC |
131 | struct block *block; |
132 | int ret; | |
133 | ||
878e6cda PC |
134 | while (!rec->pause && |
135 | !!(block_rec = lightrec_get_best_elm(&rec->slist))) { | |
98fa08a5 | 136 | block_rec->compiling = true; |
a59e5536 | 137 | block = block_rec->block; |
d16005f8 PC |
138 | |
139 | pthread_mutex_unlock(&rec->mutex); | |
140 | ||
ba3814c1 | 141 | if (likely(!block_has_flag(block, BLOCK_IS_DEAD))) { |
98fa08a5 | 142 | ret = lightrec_compile_block(thd->cstate, block); |
d8b04acd PC |
143 | if (ret == -ENOMEM) { |
144 | /* Code buffer is full. Request the reaper to | |
145 | * flush it. */ | |
146 | ||
147 | pthread_mutex_lock(&rec->mutex); | |
ba3814c1 PC |
148 | block_rec->compiling = false; |
149 | pthread_cond_broadcast(&rec->cond2); | |
150 | ||
d8b04acd | 151 | if (!rec->must_flush) { |
ba3814c1 PC |
152 | rec->must_flush = true; |
153 | lightrec_cancel_list(rec); | |
154 | ||
d8b04acd PC |
155 | lightrec_reaper_add(rec->state->reaper, |
156 | lightrec_flush_code_buffer, | |
157 | rec); | |
d8b04acd PC |
158 | } |
159 | return; | |
160 | } | |
161 | ||
98fa08a5 | 162 | if (ret) { |
f5ee77ca | 163 | pr_err("Unable to compile block at "PC_FMT": %d\n", |
98fa08a5 PC |
164 | block->pc, ret); |
165 | } | |
d16005f8 PC |
166 | } |
167 | ||
168 | pthread_mutex_lock(&rec->mutex); | |
169 | ||
a5a6f7b8 | 170 | slist_remove(&rec->slist, &block_rec->slist); |
d16005f8 | 171 | lightrec_free(rec->state, MEM_FOR_LIGHTREC, |
a59e5536 | 172 | sizeof(*block_rec), block_rec); |
ba3814c1 | 173 | pthread_cond_broadcast(&rec->cond2); |
d16005f8 | 174 | } |
d16005f8 PC |
175 | } |
176 | ||
177 | static void * lightrec_recompiler_thd(void *d) | |
178 | { | |
98fa08a5 PC |
179 | struct recompiler_thd *thd = d; |
180 | struct recompiler *rec = container_of(thd, struct recompiler, thds[thd->tid]); | |
d16005f8 PC |
181 | |
182 | pthread_mutex_lock(&rec->mutex); | |
183 | ||
ea17432f | 184 | while (!rec->stop) { |
d16005f8 PC |
185 | do { |
186 | pthread_cond_wait(&rec->cond, &rec->mutex); | |
187 | ||
a59e5536 | 188 | if (rec->stop) |
189 | goto out_unlock; | |
d16005f8 | 190 | |
878e6cda | 191 | } while (rec->pause || slist_empty(&rec->slist)); |
d16005f8 | 192 | |
98fa08a5 | 193 | lightrec_compile_list(rec, thd); |
ea17432f | 194 | } |
a59e5536 | 195 | |
196 | out_unlock: | |
197 | pthread_mutex_unlock(&rec->mutex); | |
198 | return NULL; | |
d16005f8 PC |
199 | } |
200 | ||
201 | struct recompiler *lightrec_recompiler_init(struct lightrec_state *state) | |
202 | { | |
203 | struct recompiler *rec; | |
98fa08a5 | 204 | unsigned int i, nb_recs, nb_cpus; |
d16005f8 PC |
205 | int ret; |
206 | ||
98fa08a5 PC |
207 | nb_cpus = get_processors_count(); |
208 | nb_recs = nb_cpus < 2 ? 1 : nb_cpus - 1; | |
209 | ||
210 | rec = lightrec_malloc(state, MEM_FOR_LIGHTREC, sizeof(*rec) | |
211 | + nb_recs * sizeof(*rec->thds)); | |
d16005f8 PC |
212 | if (!rec) { |
213 | pr_err("Cannot create recompiler: Out of memory\n"); | |
214 | return NULL; | |
215 | } | |
216 | ||
98fa08a5 PC |
217 | for (i = 0; i < nb_recs; i++) { |
218 | rec->thds[i].tid = i; | |
219 | rec->thds[i].cstate = NULL; | |
220 | } | |
221 | ||
222 | for (i = 0; i < nb_recs; i++) { | |
223 | rec->thds[i].cstate = lightrec_create_cstate(state); | |
25851a1e | 224 | if (!rec->thds[i].cstate) { |
98fa08a5 PC |
225 | pr_err("Cannot create recompiler: Out of memory\n"); |
226 | goto err_free_cstates; | |
227 | } | |
228 | } | |
229 | ||
d16005f8 PC |
230 | rec->state = state; |
231 | rec->stop = false; | |
878e6cda | 232 | rec->pause = false; |
d8b04acd | 233 | rec->must_flush = false; |
98fa08a5 | 234 | rec->nb_recs = nb_recs; |
a59e5536 | 235 | slist_init(&rec->slist); |
d16005f8 PC |
236 | |
237 | ret = pthread_cond_init(&rec->cond, NULL); | |
238 | if (ret) { | |
239 | pr_err("Cannot init cond variable: %d\n", ret); | |
98fa08a5 | 240 | goto err_free_cstates; |
d16005f8 PC |
241 | } |
242 | ||
98fa08a5 | 243 | ret = pthread_cond_init(&rec->cond2, NULL); |
d16005f8 | 244 | if (ret) { |
98fa08a5 | 245 | pr_err("Cannot init cond variable: %d\n", ret); |
d16005f8 PC |
246 | goto err_cnd_destroy; |
247 | } | |
248 | ||
d8b04acd PC |
249 | ret = pthread_mutex_init(&rec->alloc_mutex, NULL); |
250 | if (ret) { | |
251 | pr_err("Cannot init alloc mutex variable: %d\n", ret); | |
252 | goto err_cnd2_destroy; | |
253 | } | |
254 | ||
98fa08a5 | 255 | ret = pthread_mutex_init(&rec->mutex, NULL); |
d16005f8 | 256 | if (ret) { |
98fa08a5 | 257 | pr_err("Cannot init mutex variable: %d\n", ret); |
d8b04acd | 258 | goto err_alloc_mtx_destroy; |
d16005f8 PC |
259 | } |
260 | ||
98fa08a5 PC |
261 | for (i = 0; i < nb_recs; i++) { |
262 | ret = pthread_create(&rec->thds[i].thd, NULL, | |
263 | lightrec_recompiler_thd, &rec->thds[i]); | |
264 | if (ret) { | |
265 | pr_err("Cannot create recompiler thread: %d\n", ret); | |
266 | /* TODO: Handle cleanup properly */ | |
267 | goto err_mtx_destroy; | |
268 | } | |
269 | } | |
270 | ||
271 | pr_info("Threaded recompiler started with %u workers.\n", nb_recs); | |
272 | ||
d16005f8 PC |
273 | return rec; |
274 | ||
275 | err_mtx_destroy: | |
276 | pthread_mutex_destroy(&rec->mutex); | |
d8b04acd PC |
277 | err_alloc_mtx_destroy: |
278 | pthread_mutex_destroy(&rec->alloc_mutex); | |
98fa08a5 PC |
279 | err_cnd2_destroy: |
280 | pthread_cond_destroy(&rec->cond2); | |
d16005f8 PC |
281 | err_cnd_destroy: |
282 | pthread_cond_destroy(&rec->cond); | |
98fa08a5 PC |
283 | err_free_cstates: |
284 | for (i = 0; i < nb_recs; i++) { | |
285 | if (rec->thds[i].cstate) | |
286 | lightrec_free_cstate(rec->thds[i].cstate); | |
287 | } | |
d16005f8 PC |
288 | lightrec_free(state, MEM_FOR_LIGHTREC, sizeof(*rec), rec); |
289 | return NULL; | |
290 | } | |
291 | ||
292 | void lightrec_free_recompiler(struct recompiler *rec) | |
293 | { | |
98fa08a5 PC |
294 | unsigned int i; |
295 | ||
d16005f8 PC |
296 | rec->stop = true; |
297 | ||
298 | /* Stop the thread */ | |
299 | pthread_mutex_lock(&rec->mutex); | |
98fa08a5 | 300 | pthread_cond_broadcast(&rec->cond); |
d8b04acd | 301 | lightrec_cancel_list(rec); |
d16005f8 | 302 | pthread_mutex_unlock(&rec->mutex); |
98fa08a5 PC |
303 | |
304 | for (i = 0; i < rec->nb_recs; i++) | |
305 | pthread_join(rec->thds[i].thd, NULL); | |
306 | ||
307 | for (i = 0; i < rec->nb_recs; i++) | |
308 | lightrec_free_cstate(rec->thds[i].cstate); | |
d16005f8 PC |
309 | |
310 | pthread_mutex_destroy(&rec->mutex); | |
d8b04acd | 311 | pthread_mutex_destroy(&rec->alloc_mutex); |
d16005f8 | 312 | pthread_cond_destroy(&rec->cond); |
98fa08a5 | 313 | pthread_cond_destroy(&rec->cond2); |
d16005f8 PC |
314 | lightrec_free(rec->state, MEM_FOR_LIGHTREC, sizeof(*rec), rec); |
315 | } | |
316 | ||
317 | int lightrec_recompiler_add(struct recompiler *rec, struct block *block) | |
318 | { | |
a5a6f7b8 | 319 | struct slist_elm *elm; |
a59e5536 | 320 | struct block_rec *block_rec; |
a5a6f7b8 | 321 | u32 pc1, pc2; |
a59e5536 | 322 | int ret = 0; |
d16005f8 PC |
323 | |
324 | pthread_mutex_lock(&rec->mutex); | |
325 | ||
d8b04acd PC |
326 | /* If the recompiler must flush the code cache, we can't add the new |
327 | * job. It will be re-added next time the block's address is jumped to | |
328 | * again. */ | |
329 | if (rec->must_flush) | |
330 | goto out_unlock; | |
331 | ||
a59e5536 | 332 | /* If the block is marked as dead, don't compile it, it will be removed |
333 | * as soon as it's safe. */ | |
ba3814c1 | 334 | if (block_has_flag(block, BLOCK_IS_DEAD)) |
a59e5536 | 335 | goto out_unlock; |
336 | ||
a5a6f7b8 | 337 | for (elm = slist_first(&rec->slist); elm; elm = elm->next) { |
a59e5536 | 338 | block_rec = container_of(elm, struct block_rec, slist); |
339 | ||
d16005f8 | 340 | if (block_rec->block == block) { |
a5a6f7b8 PC |
341 | /* The block to compile is already in the queue - |
342 | * increment its counter to increase its priority */ | |
343 | block_rec->requests++; | |
344 | goto out_unlock; | |
345 | } | |
d16005f8 | 346 | |
a5a6f7b8 PC |
347 | pc1 = kunseg(block_rec->block->pc); |
348 | pc2 = kunseg(block->pc); | |
349 | if (pc2 >= pc1 && pc2 < pc1 + block_rec->block->nb_ops * 4) { | |
350 | /* The block we want to compile is already covered by | |
351 | * another one in the queue - increment its counter to | |
352 | * increase its priority */ | |
353 | block_rec->requests++; | |
a59e5536 | 354 | goto out_unlock; |
d16005f8 PC |
355 | } |
356 | } | |
357 | ||
358 | /* By the time this function was called, the block has been recompiled | |
359 | * and ins't in the wait list anymore. Just return here. */ | |
ba3814c1 | 360 | if (block->function && !block_has_flag(block, BLOCK_SHOULD_RECOMPILE)) |
a59e5536 | 361 | goto out_unlock; |
d16005f8 PC |
362 | |
363 | block_rec = lightrec_malloc(rec->state, MEM_FOR_LIGHTREC, | |
364 | sizeof(*block_rec)); | |
365 | if (!block_rec) { | |
a59e5536 | 366 | ret = -ENOMEM; |
367 | goto out_unlock; | |
d16005f8 PC |
368 | } |
369 | ||
f5ee77ca | 370 | pr_debug("Adding block "PC_FMT" to recompiler\n", block->pc); |
d16005f8 PC |
371 | |
372 | block_rec->block = block; | |
98fa08a5 | 373 | block_rec->compiling = false; |
a5a6f7b8 | 374 | block_rec->requests = 1; |
a59e5536 | 375 | |
376 | elm = &rec->slist; | |
377 | ||
a5a6f7b8 | 378 | /* Push the new entry to the front of the queue */ |
a59e5536 | 379 | slist_append(elm, &block_rec->slist); |
d16005f8 PC |
380 | |
381 | /* Signal the thread */ | |
382 | pthread_cond_signal(&rec->cond); | |
d16005f8 | 383 | |
a59e5536 | 384 | out_unlock: |
385 | pthread_mutex_unlock(&rec->mutex); | |
98fa08a5 | 386 | |
a59e5536 | 387 | return ret; |
d16005f8 PC |
388 | } |
389 | ||
390 | void lightrec_recompiler_remove(struct recompiler *rec, struct block *block) | |
391 | { | |
392 | struct block_rec *block_rec; | |
a59e5536 | 393 | struct slist_elm *elm; |
d16005f8 PC |
394 | |
395 | pthread_mutex_lock(&rec->mutex); | |
396 | ||
98fa08a5 PC |
397 | while (true) { |
398 | for (elm = slist_first(&rec->slist); elm; elm = elm->next) { | |
399 | block_rec = container_of(elm, struct block_rec, slist); | |
a59e5536 | 400 | |
d8b04acd PC |
401 | if (block_rec->block == block) { |
402 | if (lightrec_cancel_block_rec(rec, block_rec)) | |
403 | goto out_unlock; | |
98fa08a5 | 404 | |
98fa08a5 | 405 | break; |
d16005f8 | 406 | } |
98fa08a5 | 407 | } |
d16005f8 | 408 | |
98fa08a5 | 409 | if (!elm) |
d16005f8 | 410 | break; |
d16005f8 PC |
411 | } |
412 | ||
98fa08a5 | 413 | out_unlock: |
d16005f8 PC |
414 | pthread_mutex_unlock(&rec->mutex); |
415 | } | |
416 | ||
98fa08a5 PC |
417 | void * lightrec_recompiler_run_first_pass(struct lightrec_state *state, |
418 | struct block *block, u32 *pc) | |
d16005f8 | 419 | { |
ba3814c1 | 420 | u8 old_flags; |
d16005f8 | 421 | |
98fa08a5 PC |
422 | /* There's no point in running the first pass if the block will never |
423 | * be compiled. Let the main loop run the interpreter instead. */ | |
ba3814c1 | 424 | if (block_has_flag(block, BLOCK_NEVER_COMPILE)) |
98fa08a5 PC |
425 | return NULL; |
426 | ||
ba3814c1 PC |
427 | /* The block is marked as dead, and will be removed the next time the |
428 | * reaper is run. In the meantime, the old function can still be | |
429 | * executed. */ | |
430 | if (block_has_flag(block, BLOCK_IS_DEAD)) | |
431 | return block->function; | |
432 | ||
98fa08a5 PC |
433 | /* If the block is already fully tagged, there is no point in running |
434 | * the first pass. Request a recompilation of the block, and maybe the | |
435 | * interpreter will run the block in the meantime. */ | |
ba3814c1 | 436 | if (block_has_flag(block, BLOCK_FULLY_TAGGED)) |
98fa08a5 PC |
437 | lightrec_recompiler_add(state->rec, block); |
438 | ||
d16005f8 | 439 | if (likely(block->function)) { |
ba3814c1 PC |
440 | if (block_has_flag(block, BLOCK_FULLY_TAGGED)) { |
441 | old_flags = block_set_flags(block, BLOCK_NO_OPCODE_LIST); | |
d16005f8 | 442 | |
ba3814c1 | 443 | if (!(old_flags & BLOCK_NO_OPCODE_LIST)) { |
f5ee77ca | 444 | pr_debug("Block "PC_FMT" is fully tagged" |
d16005f8 PC |
445 | " - free opcode list\n", block->pc); |
446 | ||
447 | /* The block was already compiled but the opcode list | |
448 | * didn't get freed yet - do it now */ | |
ba3814c1 | 449 | lightrec_free_opcode_list(state, block->opcode_list); |
d16005f8 PC |
450 | } |
451 | } | |
452 | ||
453 | return block->function; | |
454 | } | |
455 | ||
456 | /* Mark the opcode list as freed, so that the threaded compiler won't | |
457 | * free it while we're using it in the interpreter. */ | |
ba3814c1 | 458 | old_flags = block_set_flags(block, BLOCK_NO_OPCODE_LIST); |
d16005f8 PC |
459 | |
460 | /* Block wasn't compiled yet - run the interpreter */ | |
98fa08a5 | 461 | *pc = lightrec_emulate_block(state, block, *pc); |
d16005f8 | 462 | |
ba3814c1 PC |
463 | if (!(old_flags & BLOCK_NO_OPCODE_LIST)) |
464 | block_clear_flags(block, BLOCK_NO_OPCODE_LIST); | |
d16005f8 PC |
465 | |
466 | /* The block got compiled while the interpreter was running. | |
467 | * We can free the opcode list now. */ | |
ba3814c1 PC |
468 | if (block->function && block_has_flag(block, BLOCK_FULLY_TAGGED)) { |
469 | old_flags = block_set_flags(block, BLOCK_NO_OPCODE_LIST); | |
d16005f8 | 470 | |
ba3814c1 | 471 | if (!(old_flags & BLOCK_NO_OPCODE_LIST)) { |
f5ee77ca | 472 | pr_debug("Block "PC_FMT" is fully tagged" |
ba3814c1 PC |
473 | " - free opcode list\n", block->pc); |
474 | ||
475 | lightrec_free_opcode_list(state, block->opcode_list); | |
476 | } | |
d16005f8 PC |
477 | } |
478 | ||
479 | return NULL; | |
480 | } | |
d8b04acd PC |
481 | |
482 | void lightrec_code_alloc_lock(struct lightrec_state *state) | |
483 | { | |
484 | pthread_mutex_lock(&state->rec->alloc_mutex); | |
485 | } | |
486 | ||
487 | void lightrec_code_alloc_unlock(struct lightrec_state *state) | |
488 | { | |
489 | pthread_mutex_unlock(&state->rec->alloc_mutex); | |
490 | } | |
878e6cda PC |
491 | |
492 | void lightrec_recompiler_pause(struct recompiler *rec) | |
493 | { | |
494 | rec->pause = true; | |
495 | ||
496 | pthread_mutex_lock(&rec->mutex); | |
497 | pthread_cond_broadcast(&rec->cond); | |
498 | lightrec_cancel_list(rec); | |
499 | pthread_mutex_unlock(&rec->mutex); | |
500 | } | |
501 | ||
502 | void lightrec_recompiler_unpause(struct recompiler *rec) | |
503 | { | |
504 | rec->pause = false; | |
505 | } |