Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 635:8cc609285bbe
SimpleTask worked on Mac OS X
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 18 Nov 2009 18:36:25 +0900 |
| parents | 0558abba673c |
| children | 7405d92733a8 |
| 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 |
| 109 | 14 Scheduler::TaskObject task_list[MAX_TASK_OBJECT]; |
| 15 | |
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16 Scheduler::~Scheduler() |
| 109 | 17 { |
| 18 delete connector; | |
| 19 } | |
| 20 | |
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21 /*! @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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22 */ |
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23 |
| 42 | 24 void |
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25 Scheduler::init(TaskManagerImpl *m) |
| 42 | 26 { |
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27 hash = 0; |
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28 set_manager(m); |
| 42 | 29 init_impl(); |
| 109 | 30 |
| 31 for (int i = 0; i < 2; i++) { | |
| 373 | 32 buff_taskList[i] = (TaskListPtr)allocate(sizeof(TaskList)); |
| 109 | 33 } |
| 373 | 34 |
| 109 | 35 buffFlag_taskList = 0; |
| 36 | |
| 298 | 37 // bzero でもいいけど |
| 109 | 38 for (int i = 0; i < MAX_GLOBAL_AREA; i++) { |
| 373 | 39 globalList[i] = NULL; |
| 109 | 40 } |
| 41 | |
| 42 for (int i = 0; i < MAX_MAINMEM_AREA; i++) { | |
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43 mainMemList[i] = (memaddr)NULL; |
| 109 | 44 } |
| 373 | 45 |
| 109 | 46 |
| 42 | 47 } |
| 48 | |
| 49 void | |
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50 Scheduler::run() |
| 42 | 51 { |
| 52 task1 = new SchedNop(); | |
| 53 task2 = new SchedNop(); | |
| 54 task3 = new SchedNop(); | |
| 55 | |
| 56 // main loop | |
| 57 do { | |
| 373 | 58 __debug("----------\n"); |
| 59 task3->write(); | |
| 60 task2->exec(); | |
| 61 task1->read(); | |
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62 delete task3; |
| 42 | 63 |
| 373 | 64 task3 = task2; |
| 65 task2 = task1; | |
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66 task1 = task1->next(this, 0); |
| 42 | 67 } while (task1); |
| 68 | |
| 69 delete task3; | |
| 70 delete task2; | |
| 50 | 71 } |
| 48 | 72 |
| 50 | 73 |
| 74 void | |
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75 Scheduler::finish() |
| 50 | 76 { |
| 109 | 77 free(buff_taskList[0]); |
| 78 free(buff_taskList[1]); | |
| 42 | 79 } |
| 80 | |
| 109 | 81 /** |
| 298 | 82 * あらかじめ memory allocte してある TaskList の領域を |
| 83 * パイプラインの各処理が交代して使う。 | |
| 109 | 84 */ |
| 42 | 85 TaskListPtr |
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86 Scheduler::get_curListBuf() |
| 42 | 87 { |
| 109 | 88 buffFlag_taskList ^= 1; |
| 89 | |
| 90 return buff_taskList[buffFlag_taskList]; | |
| 91 } | |
| 92 | |
| 93 | |
| 94 void | |
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95 Scheduler::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 96 { |
| 97 connector->dma_load(buf, addr, size, mask); | |
| 98 } | |
| 99 | |
| 100 void | |
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101 Scheduler::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 102 { |
| 103 connector->dma_store(buf, addr, size, mask); | |
| 104 } | |
| 105 | |
| 106 void | |
| 107 Scheduler::dma_wait(uint32 mask) | |
| 108 { | |
| 109 connector->dma_wait(mask); | |
| 110 } | |
| 111 | |
| 112 void | |
| 113 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) | |
| 114 { | |
| 115 connector->dma_loadList(list, buff, mask); | |
| 42 | 116 } |
| 117 | |
| 118 | |
| 109 | 119 void |
| 120 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
| 121 { | |
| 122 return connector->dma_storeList(list, buff, mask); | |
| 123 } | |
| 124 | |
| 125 void | |
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126 Scheduler::mail_write(memaddr data) |
| 109 | 127 { |
| 128 connector->mail_write(data); | |
| 129 } | |
| 130 | |
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131 memaddr |
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132 Scheduler::mail_read() |
| 109 | 133 { |
| 134 return connector->mail_read(); | |
| 135 } | |
| 136 | |
| 137 | |
| 386 | 138 /* |
| 139 ここから下は、memory 以下にあるべき | |
| 140 */ | |
| 141 | |
| 109 | 142 void* |
| 143 Scheduler::global_alloc(int id, int size) | |
| 144 { | |
| 145 globalList[id] = allocate(size); | |
| 146 return globalList[id]; | |
| 147 } | |
| 148 | |
| 149 void* | |
| 150 Scheduler::global_get(int id) | |
| 151 { | |
| 152 return globalList[id]; | |
| 153 } | |
| 154 | |
| 155 void | |
| 373 | 156 Scheduler::global_set(int id, void *addr) |
| 157 { | |
| 158 globalList[id] = addr; | |
| 159 } | |
| 160 | |
| 161 void | |
| 109 | 162 Scheduler::global_free(int id) |
| 163 { | |
| 164 free(globalList[id]); | |
| 165 globalList[id] = NULL; | |
| 166 } | |
| 167 | |
| 168 /** | |
| 298 | 169 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
| 170 * これは Fifo, Cell で共通 | |
| 109 | 171 */ |
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172 memaddr |
| 109 | 173 Scheduler::mainMem_get(int id) |
| 174 { | |
| 175 return mainMemList[id]; | |
| 42 | 176 } |
| 177 | |
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178 /** |
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179 * Task load API |
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180 */ |
| 425 | 181 void |
| 442 | 182 Scheduler::allocate_code_segment(int size, int count) |
| 425 | 183 { |
| 437 | 184 // 既に overlay 領域があるので、それを追加する必要がある... |
| 442 | 185 code_segment_pool = createMemList(size, count); |
| 425 | 186 } |
| 42 | 187 |
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188 static void |
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189 load_task(Scheduler *m, int task_id) |
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190 { |
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191 MemorySegment *s = m->get_segment( |
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192 task_list[task_id].location, |
| 437 | 193 m->code_segment_pool, |
| 194 task_list[task_id].end-task_list[task_id].location); | |
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195 task_list[task_id].segment = s; |
| 506 | 196 #if 0 |
| 461 | 197 fprintf(stderr,"loadng task id %d at 0x%x entry 0x%x\n",task_id, |
| 198 (unsigned int)(task_list[task_id].segment->data ), | |
| 199 (unsigned int)( | |
| 200 (char*)task_list[task_id].segment->data + | |
| 201 task_list[task_id].entry_offset)); | |
| 506 | 202 #endif |
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203 } |
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204 |
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205 static void |
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206 null_loader(Scheduler *m, int task_id) |
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207 { |
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208 } |
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209 |
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210 static void |
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211 wait_load(Scheduler *m, int task_id) |
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212 { |
| 523 | 213 #if 0 |
| 442 | 214 MemorySegment *s = task_list[task_id].segment; |
| 215 if (s) | |
| 216 fprintf(stderr,"wait load task id %d 0x%x\n",task_id,(int)s->data); | |
| 217 else | |
| 218 fprintf(stderr,"wait load task id %d 000000\n",task_id); | |
| 506 | 219 #endif |
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220 // wait for code segment load |
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221 m->wait_segment(task_list[task_id].segment); |
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222 // calcurate call address |
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223 TaskObjectRun run = |
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224 (TaskObjectRun)( |
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225 (char*)task_list[task_id].segment->data + |
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226 task_list[task_id].entry_offset); |
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227 task_list[task_id].run = run; |
| 506 | 228 #if 0 |
| 439 | 229 fprintf(stderr,"wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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230 (unsigned int)run, |
| 439 | 231 task_list[task_id].entry_offset); |
| 506 | 232 #endif |
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233 } |
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234 |
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235 static void |
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236 null_waiter(Scheduler *m, int task_id) |
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237 { |
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238 } |
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239 |
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240 extern void |
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241 register_task(int cmd, TaskObjectRun run) |
| 42 | 242 { |
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243 task_list[cmd].run = run; |
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244 task_list[cmd].load = null_loader; |
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245 task_list[cmd].wait = null_waiter; |
| 42 | 246 } |
| 373 | 247 |
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248 extern void |
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249 register_dynamic_task(int cmd, |
| 441 | 250 memaddr start, int size, |
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251 TaskObjectRun run, int entry_offset) |
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252 { |
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253 task_list[cmd].run = run; |
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254 task_list[cmd].location = start; |
| 442 | 255 size &= 0xfffffffe; |
| 441 | 256 task_list[cmd].end = start+size; |
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257 task_list[cmd].entry_offset = entry_offset; |
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258 task_list[cmd].load = load_task; |
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259 task_list[cmd].wait = wait_load; |
| 506 | 260 #if 0 |
| 439 | 261 fprintf(stderr,"cmd = %d\n",cmd); |
| 441 | 262 fprintf(stderr,"locatation = 0x%x\n",start); |
| 263 fprintf(stderr,"end = 0x%x\n",start+size); | |
| 264 fprintf(stderr,"size = 0x%x\n",size); | |
| 439 | 265 fprintf(stderr,"entry = 0x%x\n",entry_offset); |
| 506 | 266 #endif |
| 439 | 267 |
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268 } |
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269 |
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270 |
| 373 | 271 /*! |
| 386 | 272 |
| 273 size 単位のMemory Segment を count 個作る | |
| 274 | |
| 373 | 275 @param [size] リストの要素１つのサイズ |
| 276 @param [count] 要素数 | |
| 277 @return allocate した領域のポインタ | |
| 278 | |
| 279 */ | |
| 280 MemList* | |
| 281 Scheduler::createMemList(int size, int count) | |
| 282 { | |
| 283 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
| 284 uint32 seg_size = round_up16(head_size+size); | |
| 285 char* mseg = (char*)allocate(seg_size*count); | |
| 286 MemList* mlist = new MemList((MemorySegment*)mseg); | |
| 287 | |
|
388
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288 if (!hash) { |
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289 hash = new MemHash(); |
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290 } |
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291 |
| 373 | 292 for(int i = 0; i < count; i++) { |
| 293 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
| 294 char* data = (char*)next+head_size; | |
| 295 next->data = (void*)data; | |
| 386 | 296 next->size = size; |
| 395 | 297 next->address = (memaddr)next; |
| 373 | 298 mlist->addLast(next); |
| 299 } | |
| 300 | |
| 301 return mlist; | |
| 302 } | |
| 386 | 303 |
| 304 /*! | |
| 305 | |
| 306 Main Memory のSegmentを取得する | |
| 307 | |
| 308 @param [addr] Main Memory のアドレス | |
| 309 @param [m] Mem List | |
| 310 @return allocate した領域のポインタ | |
| 311 memory directory にあるべきだが... | |
| 312 | |
| 313 */ | |
|
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314 MemorySegment * |
| 386 | 315 Scheduler::get_segment(memaddr addr, MemList *m) |
| 316 { | |
|
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317 MemorySegment *s = m->getFirst(); |
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318 return get_segment(addr, m, s->size); |
| 437 | 319 } |
| 320 | |
| 321 MemorySegment * | |
| 322 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
| 323 { | |
| 324 // memory segment のsizeをoverride する場合がある | |
| 386 | 325 MemorySegment *s = hash->get(addr); |
| 326 if (s) { | |
| 327 /* 既に load されている */ | |
| 439 | 328 // fprintf(stderr,"get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
| 391 | 329 m->moveToFirst(s); |
| 386 | 330 return s; |
| 331 } | |
| 332 | |
| 333 /* LRU なので、もっとも使われてない segment を上書きする */ | |
| 334 s = m->getLast(); | |
| 335 m->moveToFirst(s); | |
| 336 | |
| 337 memaddr old_addr = s->address; | |
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338 s->tag = get_tag(); |
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339 dma_load(s->data, addr, |
| 437 | 340 size, s->tag); |
| 386 | 341 /* 前のをhashから削除 */ |
| 342 hash->remove(old_addr); | |
| 343 /* 新しいaddress を登録 */ | |
| 344 s->address = addr; | |
| 345 hash->put(s->address, s); | |
| 346 | |
| 439 | 347 // fprintf(stderr,"get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
| 348 | |
| 386 | 349 return s; |
| 350 } | |
| 351 | |
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352 |
| 386 | 353 uint32 |
| 354 Scheduler::get_tag() | |
| 355 { | |
| 458 | 356 static int tag = 16; |
| 357 tag ++; | |
| 358 tag &= 0x0f; | |
| 359 return tag+16; | |
| 386 | 360 } |
| 361 | |
| 362 /*! | |
| 363 | |
| 364 Main Memory のSegmentを書き出す | |
| 365 Segment は get_segement されていて、 | |
| 366 追い出されていてはいけない。 | |
| 367 それを保証するのは難しい? | |
| 368 | |
| 369 @param [addr] Main Memory のアドレス | |
| 370 @param [m] Mem List | |
| 371 @return allocate した領域のポインタ | |
| 372 | |
| 373 */ | |
| 374 void | |
| 375 Scheduler::put_segment(MemorySegment *s) | |
| 376 { | |
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377 dma_store(s->data, s->address, |
| 386 | 378 s->size, s->tag); |
| 379 } | |
| 380 | |
| 381 /*! | |
| 382 | |
| 383 Main Memory のSegmentを読込、書き出しを待つ | |
| 384 | |
| 385 @param [id] MemorySegment のid | |
| 386 | |
| 387 */ | |
| 388 void | |
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389 Scheduler::wait_segment(MemorySegment *s) |
| 386 | 390 { |
| 391 | 391 // 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? |
| 392 | |
| 393 if (s->tag) dma_wait(s->tag); | |
| 394 s->tag = 0; | |
| 386 | 395 } |
| 396 | |
| 621 | 397 HTask * Scheduler::create_task(int cmd) { return manager->create_task(cmd); } |
| 634 | 398 HTaskPtr Scheduler::create_task(int cmd, memaddr r, long rs, memaddr w, long ws) { |
| 399 return manager->create_task(cmd,r,rs,w,ws); | |
| 400 } | |
| 401 | |
| 621 | 402 void Scheduler::set_task_depend(HTask * master, HTask * slave) { |
| 403 manager->set_task_depend(master, slave) ; | |
| 404 } | |
| 405 void Scheduler::spawn_task(HTask * t) { manager->spawn_task(t); } | |
| 406 void Scheduler::set_task_cpu(HTask * t, CPU_TYPE cpu) { manager->set_task_cpu(t,cpu); } | |
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407 void* Scheduler::allocate(int size,int align) { return manager->allocate(size,align); } |
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408 void* Scheduler::allocate(int size) { return manager->allocate(size,DEFAULT_ALIGNMENT); } |
| 621 | 409 long Scheduler::get_random() { |
| 410 #if defined(__SPU__) | |
| 411 return 0; | |
| 412 #else | |
| 413 return random(); | |
| 414 #endif | |
| 415 | |
| 416 } | |
| 417 | |
| 386 | 418 /* end */ |