Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 800:2708c4a7bade
run16 word count ( not yet worked. )
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 21 May 2010 07:47:25 +0900 |
| parents | f2497e0ecd7c |
| children | daab9cd6f91f |
| rev | line source |
|---|---|
| 48 | 1 #include <stdio.h> |
| 50 | 2 #include <stdlib.h> |
| 736 | 3 #include <stdarg.h> |
| 42 | 4 #include "Scheduler.h" |
| 736 | 5 #include "SchedTask.h" |
| 42 | 6 #include "SchedNop.h" |
| 7 #include "error.h" | |
| 386 | 8 #include <assert.h> |
| 621 | 9 #include "TaskManagerImpl.h" |
| 42 | 10 |
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11 /* |
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12 * Edit kernel/schedule/xx.cc, Cell/spe/xx.cc will be over writen by this. |
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13 * Do not edit Cell/spe/xx.cc unless there is no kernel/schedule/xx.cc files. |
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14 */ |
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15 |
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16 TaskObject task_list[MAX_TASK_OBJECT]; |
| 109 | 17 |
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18 Scheduler::~Scheduler() |
| 109 | 19 { |
| 20 delete connector; | |
| 21 } | |
| 22 | |
| 664 | 23 static int |
| 24 null_run(SchedTask* smanager, void* r, void *w) | |
| 25 { | |
| 736 | 26 smanager->printf("Calling Undefined Task\n"); |
| 664 | 27 return 0; |
| 28 } | |
| 29 | |
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30 static void null_loader(Scheduler *m, int task_id); |
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31 |
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32 /*! @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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33 */ |
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34 |
| 42 | 35 void |
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36 Scheduler::init(TaskManagerImpl *m) |
| 42 | 37 { |
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38 hash = 0; |
| 664 | 39 |
| 40 for (int i = 0; i< MAX_TASK_OBJECT; i++) { | |
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41 task_list[i].run = null_run; |
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42 task_list[i].load = null_loader; |
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43 task_list[i].wait = null_loader; |
| 664 | 44 } |
| 45 | |
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46 set_manager(m); |
| 42 | 47 init_impl(); |
| 109 | 48 |
| 49 for (int i = 0; i < 2; i++) { | |
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50 buff_taskList[i] = (TaskListPtr)m->allocate(sizeof(TaskList)); |
| 109 | 51 } |
| 373 | 52 |
| 109 | 53 buffFlag_taskList = 0; |
| 54 | |
| 298 | 55 // bzero でもいいけど |
| 109 | 56 for (int i = 0; i < MAX_GLOBAL_AREA; i++) { |
| 373 | 57 globalList[i] = NULL; |
| 109 | 58 } |
| 59 | |
| 60 for (int i = 0; i < MAX_MAINMEM_AREA; i++) { | |
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61 mainMemList[i] = (memaddr)NULL; |
| 109 | 62 } |
| 373 | 63 |
| 109 | 64 |
| 42 | 65 } |
| 66 | |
| 67 void | |
| 685 | 68 Scheduler::run(SchedTaskBase* task1) |
| 42 | 69 { |
| 685 | 70 |
| 71 // Pipeline Stage | |
| 72 SchedTaskBase* task2 = new SchedNop(); | |
| 73 SchedTaskBase* task3 = new SchedNop(); | |
| 42 | 74 |
| 75 // main loop | |
| 76 do { | |
| 373 | 77 __debug("----------\n"); |
| 78 task3->write(); | |
| 79 task2->exec(); | |
| 80 task1->read(); | |
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81 delete task3; |
| 42 | 82 |
| 373 | 83 task3 = task2; |
| 84 task2 = task1; | |
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85 task1 = task1->next(this, 0); |
| 42 | 86 } while (task1); |
| 87 | |
| 88 delete task3; | |
| 89 delete task2; | |
| 50 | 90 } |
| 48 | 91 |
| 50 | 92 |
| 93 void | |
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94 Scheduler::finish() |
| 50 | 95 { |
| 109 | 96 free(buff_taskList[0]); |
| 97 free(buff_taskList[1]); | |
| 42 | 98 } |
| 99 | |
| 109 | 100 /** |
| 298 | 101 * あらかじめ memory allocte してある TaskList の領域を |
| 102 * パイプラインの各処理が交代して使う。 | |
| 109 | 103 */ |
| 42 | 104 TaskListPtr |
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105 Scheduler::get_curListBuf() |
| 42 | 106 { |
| 109 | 107 buffFlag_taskList ^= 1; |
| 108 | |
| 109 return buff_taskList[buffFlag_taskList]; | |
| 110 } | |
| 111 | |
| 112 | |
| 113 void | |
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114 Scheduler::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 115 { |
| 116 connector->dma_load(buf, addr, size, mask); | |
| 117 } | |
| 118 | |
| 119 void | |
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120 Scheduler::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 121 { |
| 122 connector->dma_store(buf, addr, size, mask); | |
| 123 } | |
| 124 | |
| 125 void | |
| 126 Scheduler::dma_wait(uint32 mask) | |
| 127 { | |
| 128 connector->dma_wait(mask); | |
| 129 } | |
| 130 | |
| 131 void | |
| 132 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) | |
| 133 { | |
| 134 connector->dma_loadList(list, buff, mask); | |
| 42 | 135 } |
| 136 | |
| 137 | |
| 109 | 138 void |
| 139 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
| 140 { | |
| 141 return connector->dma_storeList(list, buff, mask); | |
| 142 } | |
| 143 | |
| 144 void | |
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145 Scheduler::mail_write(memaddr data) |
| 109 | 146 { |
| 147 connector->mail_write(data); | |
| 148 } | |
| 149 | |
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150 memaddr |
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151 Scheduler::mail_read() |
| 109 | 152 { |
| 153 return connector->mail_read(); | |
| 154 } | |
| 155 | |
| 156 | |
| 386 | 157 /* |
| 158 ここから下は、memory 以下にあるべき | |
| 159 */ | |
| 160 | |
| 109 | 161 void* |
| 162 Scheduler::global_alloc(int id, int size) | |
| 163 { | |
| 792 | 164 |
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165 globalList[id] = manager->allocate(size); |
| 792 | 166 |
| 109 | 167 return globalList[id]; |
| 168 } | |
| 169 | |
| 170 void* | |
| 171 Scheduler::global_get(int id) | |
| 172 { | |
| 173 return globalList[id]; | |
| 174 } | |
| 175 | |
| 176 void | |
| 373 | 177 Scheduler::global_set(int id, void *addr) |
| 178 { | |
| 179 globalList[id] = addr; | |
| 180 } | |
| 181 | |
| 182 void | |
| 109 | 183 Scheduler::global_free(int id) |
| 184 { | |
| 185 free(globalList[id]); | |
| 186 globalList[id] = NULL; | |
| 187 } | |
| 188 | |
| 189 /** | |
| 298 | 190 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
| 191 * これは Fifo, Cell で共通 | |
| 109 | 192 */ |
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193 memaddr |
| 109 | 194 Scheduler::mainMem_get(int id) |
| 195 { | |
| 196 return mainMemList[id]; | |
| 42 | 197 } |
| 198 | |
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199 /** |
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200 * Task load API |
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201 */ |
| 425 | 202 void |
| 442 | 203 Scheduler::allocate_code_segment(int size, int count) |
| 425 | 204 { |
| 437 | 205 // 既に overlay 領域があるので、それを追加する必要がある... |
| 442 | 206 code_segment_pool = createMemList(size, count); |
| 425 | 207 } |
| 42 | 208 |
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209 static void |
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210 load_task(Scheduler *m, int task_id) |
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211 { |
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212 MemorySegment *s = m->get_segment( |
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213 task_list[task_id].location, |
| 437 | 214 m->code_segment_pool, |
| 215 task_list[task_id].end-task_list[task_id].location); | |
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216 task_list[task_id].segment = s; |
| 506 | 217 #if 0 |
| 736 | 218 m->printf("loadng task id %d at 0x%x entry 0x%x\n",task_id, |
| 461 | 219 (unsigned int)(task_list[task_id].segment->data ), |
| 220 (unsigned int)( | |
| 221 (char*)task_list[task_id].segment->data + | |
| 222 task_list[task_id].entry_offset)); | |
| 506 | 223 #endif |
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224 } |
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225 |
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226 static void |
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227 null_loader(Scheduler *m, int task_id) |
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228 { |
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229 } |
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230 |
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231 static void |
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232 wait_load(Scheduler *m, int task_id) |
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233 { |
| 523 | 234 #if 0 |
| 442 | 235 MemorySegment *s = task_list[task_id].segment; |
| 236 if (s) | |
| 736 | 237 m->printf("wait load task id %d 0x%x\n",task_id,(int)s->data); |
| 442 | 238 else |
| 736 | 239 m->printf("wait load task id %d 000000\n",task_id); |
| 506 | 240 #endif |
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241 // wait for code segment load |
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242 m->wait_segment(task_list[task_id].segment); |
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243 // calcurate call address |
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244 TaskObjectRun run = |
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245 (TaskObjectRun)( |
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246 (char*)task_list[task_id].segment->data + |
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247 task_list[task_id].entry_offset); |
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248 task_list[task_id].run = run; |
| 506 | 249 #if 0 |
| 736 | 250 m->printf("wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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251 (unsigned int)run, |
| 439 | 252 task_list[task_id].entry_offset); |
| 506 | 253 #endif |
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254 } |
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255 |
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256 static void |
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257 null_waiter(Scheduler *m, int task_id) |
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258 { |
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259 } |
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260 |
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261 extern void |
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262 register_task(int cmd, TaskObjectRun run) |
| 42 | 263 { |
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264 task_list[cmd].run = run; |
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265 task_list[cmd].load = null_loader; |
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266 task_list[cmd].wait = null_waiter; |
| 42 | 267 } |
| 373 | 268 |
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269 extern void |
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270 register_dynamic_task(int cmd, |
| 441 | 271 memaddr start, int size, |
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272 TaskObjectRun run, int entry_offset) |
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273 { |
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274 task_list[cmd].run = run; |
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275 task_list[cmd].location = start; |
| 442 | 276 size &= 0xfffffffe; |
| 441 | 277 task_list[cmd].end = start+size; |
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278 task_list[cmd].entry_offset = entry_offset; |
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279 task_list[cmd].load = load_task; |
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280 task_list[cmd].wait = wait_load; |
| 506 | 281 #if 0 |
| 736 | 282 this->printf("cmd = %d\n",cmd); |
| 283 this->printf("locatation = 0x%x\n",start); | |
| 284 this->printf("end = 0x%x\n",start+size); | |
| 285 this->printf("size = 0x%x\n",size); | |
| 286 this->printf("entry = 0x%x\n",entry_offset); | |
| 506 | 287 #endif |
| 439 | 288 |
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289 } |
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290 |
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291 |
| 373 | 292 /*! |
| 386 | 293 |
| 294 size 単位のMemory Segment を count 個作る | |
| 295 | |
| 373 | 296 @param [size] リストの要素１つのサイズ |
| 297 @param [count] 要素数 | |
| 298 @return allocate した領域のポインタ | |
| 299 | |
| 300 */ | |
| 301 MemList* | |
| 302 Scheduler::createMemList(int size, int count) | |
| 303 { | |
| 304 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
| 305 uint32 seg_size = round_up16(head_size+size); | |
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306 char* mseg = (char*)manager->allocate(seg_size*count); |
| 373 | 307 MemList* mlist = new MemList((MemorySegment*)mseg); |
| 308 | |
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309 if (!hash) { |
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310 hash = new MemHash(); |
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311 } |
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312 |
| 373 | 313 for(int i = 0; i < count; i++) { |
| 314 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
| 315 char* data = (char*)next+head_size; | |
| 316 next->data = (void*)data; | |
| 386 | 317 next->size = size; |
| 395 | 318 next->address = (memaddr)next; |
| 373 | 319 mlist->addLast(next); |
| 320 } | |
| 321 | |
| 322 return mlist; | |
| 323 } | |
| 386 | 324 |
| 325 /*! | |
| 326 | |
| 327 Main Memory のSegmentを取得する | |
| 328 | |
| 329 @param [addr] Main Memory のアドレス | |
| 330 @param [m] Mem List | |
| 331 @return allocate した領域のポインタ | |
| 332 memory directory にあるべきだが... | |
| 333 | |
| 334 */ | |
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335 MemorySegment * |
| 386 | 336 Scheduler::get_segment(memaddr addr, MemList *m) |
| 337 { | |
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338 MemorySegment *s = m->getFirst(); |
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339 return get_segment(addr, m, s->size); |
| 437 | 340 } |
| 341 | |
| 342 MemorySegment * | |
| 343 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
| 344 { | |
| 345 // memory segment のsizeをoverride する場合がある | |
| 386 | 346 MemorySegment *s = hash->get(addr); |
| 347 if (s) { | |
| 348 /* 既に load されている */ | |
| 736 | 349 // this->printf("get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
| 391 | 350 m->moveToFirst(s); |
| 386 | 351 return s; |
| 352 } | |
| 353 | |
| 354 /* LRU なので、もっとも使われてない segment を上書きする */ | |
| 355 s = m->getLast(); | |
| 356 m->moveToFirst(s); | |
| 357 | |
| 358 memaddr old_addr = s->address; | |
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359 s->tag = get_tag(); |
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360 dma_load(s->data, addr, |
| 437 | 361 size, s->tag); |
| 386 | 362 /* 前のをhashから削除 */ |
| 363 hash->remove(old_addr); | |
| 364 /* 新しいaddress を登録 */ | |
| 365 s->address = addr; | |
| 366 hash->put(s->address, s); | |
| 367 | |
| 736 | 368 // this->printf("get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
| 439 | 369 |
| 386 | 370 return s; |
| 371 } | |
| 372 | |
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373 |
| 386 | 374 uint32 |
| 375 Scheduler::get_tag() | |
| 376 { | |
| 458 | 377 static int tag = 16; |
| 378 tag ++; | |
| 379 tag &= 0x0f; | |
| 380 return tag+16; | |
| 386 | 381 } |
| 382 | |
| 383 /*! | |
| 384 | |
| 385 Main Memory のSegmentを書き出す | |
| 386 Segment は get_segement されていて、 | |
| 387 追い出されていてはいけない。 | |
| 388 それを保証するのは難しい? | |
| 389 | |
| 390 @param [addr] Main Memory のアドレス | |
| 391 @param [m] Mem List | |
| 392 @return allocate した領域のポインタ | |
| 393 | |
| 394 */ | |
| 395 void | |
| 396 Scheduler::put_segment(MemorySegment *s) | |
| 397 { | |
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398 dma_store(s->data, s->address, |
| 386 | 399 s->size, s->tag); |
| 400 } | |
| 401 | |
| 402 /*! | |
| 403 | |
| 404 Main Memory のSegmentを読込、書き出しを待つ | |
| 405 | |
| 406 @param [id] MemorySegment のid | |
| 407 | |
| 408 */ | |
| 409 void | |
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410 Scheduler::wait_segment(MemorySegment *s) |
| 386 | 411 { |
| 391 | 412 // 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? |
| 413 | |
| 414 if (s->tag) dma_wait(s->tag); | |
| 415 s->tag = 0; | |
| 386 | 416 } |
| 417 | |
| 621 | 418 long Scheduler::get_random() { |
| 419 #if defined(__SPU__) | |
| 420 return 0; | |
| 421 #else | |
| 422 return random(); | |
| 423 #endif | |
| 424 | |
| 425 } | |
| 426 | |
| 736 | 427 int |
| 428 Scheduler::printf(const char * format, ...) | |
| 429 { | |
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430 #if !defined(__SPU__) || 1 |
| 736 | 431 va_list ap; |
| 432 va_start(ap,format); | |
| 742 | 433 int ret= vprintf0(format, ap); |
| 736 | 434 va_end(ap); |
| 435 return ret; | |
| 436 #else | |
| 437 return 0; | |
| 438 #endif | |
| 439 } | |
| 440 | |
| 441 | |
| 442 int | |
| 742 | 443 Scheduler::vprintf0(const char * format, va_list ap) |
| 736 | 444 { |
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445 #if !defined(__SPU__) || 1 |
| 736 | 446 int ret= vprintf(format, ap); |
| 447 return ret; | |
| 448 #else | |
| 449 return 0; | |
| 450 #endif | |
| 451 } | |
| 452 | |
| 453 | |
| 386 | 454 /* end */ |