Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 698:dcaa40ec963d
no compile error for Task Array
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 13 Dec 2009 20:14:18 +0900 |
| parents | b386522827ae |
| children | 31d0a5baafdf |
| rev | line source |
|---|---|
| 48 | 1 #include <stdio.h> |
| 50 | 2 #include <stdlib.h> |
| 42 | 3 #include "Scheduler.h" |
| 4 #include "SchedNop.h" | |
| 5 #include "error.h" | |
| 386 | 6 #include <assert.h> |
| 621 | 7 #include "TaskManagerImpl.h" |
| 42 | 8 |
|
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9 /* |
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10 * Edit kernel/schedule/xx.cc, Cell/spe/xx.cc will be over writen by this. |
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11 * Do not edit Cell/spe/xx.cc unless there is no kernel/schedule/xx.cc files. |
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12 */ |
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13 |
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14 TaskObject task_list[MAX_TASK_OBJECT]; |
| 109 | 15 |
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16 Scheduler::~Scheduler() |
| 109 | 17 { |
| 18 delete connector; | |
| 19 } | |
| 20 | |
| 664 | 21 static int |
| 22 null_run(SchedTask* smanager, void* r, void *w) | |
| 23 { | |
| 24 printf("Calling Undefined Task\n"); | |
| 25 return 0; | |
| 26 } | |
| 27 | |
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28 static void null_loader(Scheduler *m, int task_id); |
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29 |
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30 /*! @brief speTaskの入出力のパイプラインバッファを確保する |
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31 */ |
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32 |
| 42 | 33 void |
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34 Scheduler::init(TaskManagerImpl *m) |
| 42 | 35 { |
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36 hash = 0; |
| 664 | 37 |
| 38 for (int i = 0; i< MAX_TASK_OBJECT; i++) { | |
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39 task_list[i].run = null_run; |
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40 task_list[i].load = null_loader; |
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41 task_list[i].wait = null_loader; |
| 664 | 42 } |
| 43 | |
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44 set_manager(m); |
| 42 | 45 init_impl(); |
| 109 | 46 |
| 47 for (int i = 0; i < 2; i++) { | |
| 373 | 48 buff_taskList[i] = (TaskListPtr)allocate(sizeof(TaskList)); |
| 109 | 49 } |
| 373 | 50 |
| 109 | 51 buffFlag_taskList = 0; |
| 52 | |
| 298 | 53 // bzero でもいいけど |
| 109 | 54 for (int i = 0; i < MAX_GLOBAL_AREA; i++) { |
| 373 | 55 globalList[i] = NULL; |
| 109 | 56 } |
| 57 | |
| 58 for (int i = 0; i < MAX_MAINMEM_AREA; i++) { | |
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59 mainMemList[i] = (memaddr)NULL; |
| 109 | 60 } |
| 373 | 61 |
| 109 | 62 |
| 42 | 63 } |
| 64 | |
| 65 void | |
| 685 | 66 Scheduler::run(SchedTaskBase* task1) |
| 42 | 67 { |
| 685 | 68 |
| 69 // Pipeline Stage | |
| 70 SchedTaskBase* task2 = new SchedNop(); | |
| 71 SchedTaskBase* task3 = new SchedNop(); | |
| 42 | 72 |
| 73 // main loop | |
| 74 do { | |
| 373 | 75 __debug("----------\n"); |
| 76 task3->write(); | |
| 77 task2->exec(); | |
| 78 task1->read(); | |
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79 delete task3; |
| 42 | 80 |
| 373 | 81 task3 = task2; |
| 82 task2 = task1; | |
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83 task1 = task1->next(this, 0); |
| 42 | 84 } while (task1); |
| 85 | |
| 86 delete task3; | |
| 87 delete task2; | |
| 50 | 88 } |
| 48 | 89 |
| 50 | 90 |
| 91 void | |
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92 Scheduler::finish() |
| 50 | 93 { |
| 109 | 94 free(buff_taskList[0]); |
| 95 free(buff_taskList[1]); | |
| 42 | 96 } |
| 97 | |
| 109 | 98 /** |
| 298 | 99 * あらかじめ memory allocte してある TaskList の領域を |
| 100 * パイプラインの各処理が交代して使う。 | |
| 109 | 101 */ |
| 42 | 102 TaskListPtr |
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103 Scheduler::get_curListBuf() |
| 42 | 104 { |
| 109 | 105 buffFlag_taskList ^= 1; |
| 106 | |
| 107 return buff_taskList[buffFlag_taskList]; | |
| 108 } | |
| 109 | |
| 110 | |
| 111 void | |
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112 Scheduler::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 113 { |
| 114 connector->dma_load(buf, addr, size, mask); | |
| 115 } | |
| 116 | |
| 117 void | |
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118 Scheduler::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 119 { |
| 120 connector->dma_store(buf, addr, size, mask); | |
| 121 } | |
| 122 | |
| 123 void | |
| 124 Scheduler::dma_wait(uint32 mask) | |
| 125 { | |
| 126 connector->dma_wait(mask); | |
| 127 } | |
| 128 | |
| 129 void | |
| 130 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) | |
| 131 { | |
| 132 connector->dma_loadList(list, buff, mask); | |
| 42 | 133 } |
| 134 | |
| 135 | |
| 109 | 136 void |
| 137 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
| 138 { | |
| 139 return connector->dma_storeList(list, buff, mask); | |
| 140 } | |
| 141 | |
| 142 void | |
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143 Scheduler::mail_write(memaddr data) |
| 109 | 144 { |
| 145 connector->mail_write(data); | |
| 146 } | |
| 147 | |
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148 memaddr |
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149 Scheduler::mail_read() |
| 109 | 150 { |
| 151 return connector->mail_read(); | |
| 152 } | |
| 153 | |
| 154 | |
| 386 | 155 /* |
| 156 ここから下は、memory 以下にあるべき | |
| 157 */ | |
| 158 | |
| 109 | 159 void* |
| 160 Scheduler::global_alloc(int id, int size) | |
| 161 { | |
| 162 globalList[id] = allocate(size); | |
| 163 return globalList[id]; | |
| 164 } | |
| 165 | |
| 166 void* | |
| 167 Scheduler::global_get(int id) | |
| 168 { | |
| 169 return globalList[id]; | |
| 170 } | |
| 171 | |
| 172 void | |
| 373 | 173 Scheduler::global_set(int id, void *addr) |
| 174 { | |
| 175 globalList[id] = addr; | |
| 176 } | |
| 177 | |
| 178 void | |
| 109 | 179 Scheduler::global_free(int id) |
| 180 { | |
| 181 free(globalList[id]); | |
| 182 globalList[id] = NULL; | |
| 183 } | |
| 184 | |
| 185 /** | |
| 298 | 186 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
| 187 * これは Fifo, Cell で共通 | |
| 109 | 188 */ |
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189 memaddr |
| 109 | 190 Scheduler::mainMem_get(int id) |
| 191 { | |
| 192 return mainMemList[id]; | |
| 42 | 193 } |
| 194 | |
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195 /** |
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196 * Task load API |
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197 */ |
| 425 | 198 void |
| 442 | 199 Scheduler::allocate_code_segment(int size, int count) |
| 425 | 200 { |
| 437 | 201 // 既に overlay 領域があるので、それを追加する必要がある... |
| 442 | 202 code_segment_pool = createMemList(size, count); |
| 425 | 203 } |
| 42 | 204 |
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205 static void |
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206 load_task(Scheduler *m, int task_id) |
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207 { |
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208 MemorySegment *s = m->get_segment( |
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209 task_list[task_id].location, |
| 437 | 210 m->code_segment_pool, |
| 211 task_list[task_id].end-task_list[task_id].location); | |
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212 task_list[task_id].segment = s; |
| 506 | 213 #if 0 |
| 461 | 214 fprintf(stderr,"loadng task id %d at 0x%x entry 0x%x\n",task_id, |
| 215 (unsigned int)(task_list[task_id].segment->data ), | |
| 216 (unsigned int)( | |
| 217 (char*)task_list[task_id].segment->data + | |
| 218 task_list[task_id].entry_offset)); | |
| 506 | 219 #endif |
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220 } |
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221 |
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222 static void |
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223 null_loader(Scheduler *m, int task_id) |
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224 { |
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225 } |
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226 |
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227 static void |
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228 wait_load(Scheduler *m, int task_id) |
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229 { |
| 523 | 230 #if 0 |
| 442 | 231 MemorySegment *s = task_list[task_id].segment; |
| 232 if (s) | |
| 233 fprintf(stderr,"wait load task id %d 0x%x\n",task_id,(int)s->data); | |
| 234 else | |
| 235 fprintf(stderr,"wait load task id %d 000000\n",task_id); | |
| 506 | 236 #endif |
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237 // wait for code segment load |
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238 m->wait_segment(task_list[task_id].segment); |
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239 // calcurate call address |
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240 TaskObjectRun run = |
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241 (TaskObjectRun)( |
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242 (char*)task_list[task_id].segment->data + |
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243 task_list[task_id].entry_offset); |
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244 task_list[task_id].run = run; |
| 506 | 245 #if 0 |
| 439 | 246 fprintf(stderr,"wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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247 (unsigned int)run, |
| 439 | 248 task_list[task_id].entry_offset); |
| 506 | 249 #endif |
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250 } |
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251 |
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252 static void |
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253 null_waiter(Scheduler *m, int task_id) |
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254 { |
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255 } |
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256 |
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257 extern void |
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258 register_task(int cmd, TaskObjectRun run) |
| 42 | 259 { |
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260 task_list[cmd].run = run; |
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261 task_list[cmd].load = null_loader; |
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262 task_list[cmd].wait = null_waiter; |
| 42 | 263 } |
| 373 | 264 |
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265 extern void |
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266 register_dynamic_task(int cmd, |
| 441 | 267 memaddr start, int size, |
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268 TaskObjectRun run, int entry_offset) |
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269 { |
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270 task_list[cmd].run = run; |
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271 task_list[cmd].location = start; |
| 442 | 272 size &= 0xfffffffe; |
| 441 | 273 task_list[cmd].end = start+size; |
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274 task_list[cmd].entry_offset = entry_offset; |
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275 task_list[cmd].load = load_task; |
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276 task_list[cmd].wait = wait_load; |
| 506 | 277 #if 0 |
| 439 | 278 fprintf(stderr,"cmd = %d\n",cmd); |
| 441 | 279 fprintf(stderr,"locatation = 0x%x\n",start); |
| 280 fprintf(stderr,"end = 0x%x\n",start+size); | |
| 281 fprintf(stderr,"size = 0x%x\n",size); | |
| 439 | 282 fprintf(stderr,"entry = 0x%x\n",entry_offset); |
| 506 | 283 #endif |
| 439 | 284 |
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285 } |
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286 |
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287 |
| 373 | 288 /*! |
| 386 | 289 |
| 290 size 単位のMemory Segment を count 個作る | |
| 291 | |
| 373 | 292 @param [size] リストの要素１つのサイズ |
| 293 @param [count] 要素数 | |
| 294 @return allocate した領域のポインタ | |
| 295 | |
| 296 */ | |
| 297 MemList* | |
| 298 Scheduler::createMemList(int size, int count) | |
| 299 { | |
| 300 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
| 301 uint32 seg_size = round_up16(head_size+size); | |
| 302 char* mseg = (char*)allocate(seg_size*count); | |
| 303 MemList* mlist = new MemList((MemorySegment*)mseg); | |
| 304 | |
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305 if (!hash) { |
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306 hash = new MemHash(); |
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307 } |
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308 |
| 373 | 309 for(int i = 0; i < count; i++) { |
| 310 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
| 311 char* data = (char*)next+head_size; | |
| 312 next->data = (void*)data; | |
| 386 | 313 next->size = size; |
| 395 | 314 next->address = (memaddr)next; |
| 373 | 315 mlist->addLast(next); |
| 316 } | |
| 317 | |
| 318 return mlist; | |
| 319 } | |
| 386 | 320 |
| 321 /*! | |
| 322 | |
| 323 Main Memory のSegmentを取得する | |
| 324 | |
| 325 @param [addr] Main Memory のアドレス | |
| 326 @param [m] Mem List | |
| 327 @return allocate した領域のポインタ | |
| 328 memory directory にあるべきだが... | |
| 329 | |
| 330 */ | |
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331 MemorySegment * |
| 386 | 332 Scheduler::get_segment(memaddr addr, MemList *m) |
| 333 { | |
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334 MemorySegment *s = m->getFirst(); |
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335 return get_segment(addr, m, s->size); |
| 437 | 336 } |
| 337 | |
| 338 MemorySegment * | |
| 339 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
| 340 { | |
| 341 // memory segment のsizeをoverride する場合がある | |
| 386 | 342 MemorySegment *s = hash->get(addr); |
| 343 if (s) { | |
| 344 /* 既に load されている */ | |
| 439 | 345 // fprintf(stderr,"get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
| 391 | 346 m->moveToFirst(s); |
| 386 | 347 return s; |
| 348 } | |
| 349 | |
| 350 /* LRU なので、もっとも使われてない segment を上書きする */ | |
| 351 s = m->getLast(); | |
| 352 m->moveToFirst(s); | |
| 353 | |
| 354 memaddr old_addr = s->address; | |
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355 s->tag = get_tag(); |
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356 dma_load(s->data, addr, |
| 437 | 357 size, s->tag); |
| 386 | 358 /* 前のをhashから削除 */ |
| 359 hash->remove(old_addr); | |
| 360 /* 新しいaddress を登録 */ | |
| 361 s->address = addr; | |
| 362 hash->put(s->address, s); | |
| 363 | |
| 439 | 364 // fprintf(stderr,"get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
| 365 | |
| 386 | 366 return s; |
| 367 } | |
| 368 | |
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369 |
| 386 | 370 uint32 |
| 371 Scheduler::get_tag() | |
| 372 { | |
| 458 | 373 static int tag = 16; |
| 374 tag ++; | |
| 375 tag &= 0x0f; | |
| 376 return tag+16; | |
| 386 | 377 } |
| 378 | |
| 379 /*! | |
| 380 | |
| 381 Main Memory のSegmentを書き出す | |
| 382 Segment は get_segement されていて、 | |
| 383 追い出されていてはいけない。 | |
| 384 それを保証するのは難しい? | |
| 385 | |
| 386 @param [addr] Main Memory のアドレス | |
| 387 @param [m] Mem List | |
| 388 @return allocate した領域のポインタ | |
| 389 | |
| 390 */ | |
| 391 void | |
| 392 Scheduler::put_segment(MemorySegment *s) | |
| 393 { | |
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394 dma_store(s->data, s->address, |
| 386 | 395 s->size, s->tag); |
| 396 } | |
| 397 | |
| 398 /*! | |
| 399 | |
| 400 Main Memory のSegmentを読込、書き出しを待つ | |
| 401 | |
| 402 @param [id] MemorySegment のid | |
| 403 | |
| 404 */ | |
| 405 void | |
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406 Scheduler::wait_segment(MemorySegment *s) |
| 386 | 407 { |
| 391 | 408 // えーと、dma してない時には、skip しないとだめなんじゃないの? |
| 409 | |
| 410 if (s->tag) dma_wait(s->tag); | |
| 411 s->tag = 0; | |
| 386 | 412 } |
| 413 | |
| 621 | 414 HTask * Scheduler::create_task(int cmd) { return manager->create_task(cmd); } |
| 634 | 415 HTaskPtr Scheduler::create_task(int cmd, memaddr r, long rs, memaddr w, long ws) { |
| 416 return manager->create_task(cmd,r,rs,w,ws); | |
| 417 } | |
| 418 | |
| 621 | 419 void Scheduler::set_task_depend(HTask * master, HTask * slave) { |
| 420 manager->set_task_depend(master, slave) ; | |
| 421 } | |
| 422 void Scheduler::spawn_task(HTask * t) { manager->spawn_task(t); } | |
| 423 void Scheduler::set_task_cpu(HTask * t, CPU_TYPE cpu) { manager->set_task_cpu(t,cpu); } | |
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424 void* Scheduler::allocate(int size,int align) { return manager->allocate(size,align); } |
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425 void* Scheduler::allocate(int size) { return manager->allocate(size,DEFAULT_ALIGNMENT); } |
| 621 | 426 long Scheduler::get_random() { |
| 427 #if defined(__SPU__) | |
| 428 return 0; | |
| 429 #else | |
| 430 return random(); | |
| 431 #endif | |
| 432 | |
| 433 } | |
| 434 | |
| 386 | 435 /* end */ |