Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 923:e015a4e5e4b0
fix DMA/Mail wait profiler
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 30 Jul 2010 15:24:13 +0900 |
parents | 96536163c0a0 |
children | 33630c6ff445 |
rev | line source |
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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" |
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7 #include "SysFunc.h" |
42 | 8 #include "error.h" |
386 | 9 #include <assert.h> |
621 | 10 #include "TaskManagerImpl.h" |
42 | 11 |
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12 /* |
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13 * Edit kernel/schedule/xx.cc, Cell/spe/xx.cc will be over writen by this. |
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14 * Do not edit Cell/spe/xx.cc unless there is no kernel/schedule/xx.cc files. |
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15 */ |
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16 |
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17 TaskObject task_list[MAX_TASK_OBJECT]; |
109 | 18 |
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19 Scheduler::~Scheduler() |
109 | 20 { |
21 delete connector; | |
22 } | |
23 | |
664 | 24 static int |
25 null_run(SchedTask* smanager, void* r, void *w) | |
26 { | |
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27 smanager->printf("Calling Undefined Task %d\n", smanager->task->command==TaskArray1? smanager->atask->command: smanager->task->command); |
664 | 28 return 0; |
29 } | |
30 | |
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31 static void null_loader(Scheduler *m, int task_id); |
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32 |
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33 /*! @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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34 */ |
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35 |
42 | 36 void |
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37 Scheduler::init(TaskManagerImpl *m) |
42 | 38 { |
388
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39 hash = 0; |
664 | 40 |
41 for (int i = 0; i< MAX_TASK_OBJECT; i++) { | |
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42 task_list[i].run = null_run; |
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43 task_list[i].load = null_loader; |
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44 task_list[i].wait = null_loader; |
664 | 45 } |
46 | |
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47 set_manager(m); |
42 | 48 init_impl(); |
109 | 49 |
50 for (int i = 0; i < 2; i++) { | |
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51 buff_taskList[i] = (TaskListPtr)m->allocate(sizeof(TaskList)); |
109 | 52 } |
373 | 53 |
109 | 54 buffFlag_taskList = 0; |
55 | |
298 | 56 // bzero でもいいけど |
109 | 57 for (int i = 0; i < MAX_GLOBAL_AREA; i++) { |
373 | 58 globalList[i] = NULL; |
109 | 59 } |
60 | |
61 for (int i = 0; i < MAX_MAINMEM_AREA; i++) { | |
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62 mainMemList[i] = (memaddr)NULL; |
109 | 63 } |
373 | 64 |
109 | 65 |
42 | 66 } |
67 | |
68 void | |
685 | 69 Scheduler::run(SchedTaskBase* task1) |
42 | 70 { |
685 | 71 |
72 // Pipeline Stage | |
73 SchedTaskBase* task2 = new SchedNop(); | |
74 SchedTaskBase* task3 = new SchedNop(); | |
42 | 75 // main loop |
76 do { | |
373 | 77 task3->write(); |
78 task2->exec(); | |
79 task1->read(); | |
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80 delete task3; |
42 | 81 |
373 | 82 task3 = task2; |
83 task2 = task1; | |
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84 task1 = task1->next(this, 0); |
42 | 85 } while (task1); |
86 | |
87 delete task3; | |
88 delete task2; | |
50 | 89 } |
48 | 90 |
50 | 91 |
92 void | |
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93 Scheduler::finish() |
50 | 94 { |
109 | 95 free(buff_taskList[0]); |
96 free(buff_taskList[1]); | |
42 | 97 } |
98 | |
109 | 99 /** |
298 | 100 * あらかじめ memory allocte してある TaskList の領域を |
101 * パイプラインの各処理が交代して使う。 | |
109 | 102 */ |
42 | 103 TaskListPtr |
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104 Scheduler::get_curListBuf() |
42 | 105 { |
109 | 106 buffFlag_taskList ^= 1; |
107 | |
108 return buff_taskList[buffFlag_taskList]; | |
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 | |
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155 |
386 | 156 /* |
157 ここから下は、memory 以下にあるべき | |
158 */ | |
159 | |
109 | 160 void* |
161 Scheduler::global_alloc(int id, int size) | |
162 { | |
792 | 163 |
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164 globalList[id] = manager->allocate(size); |
792 | 165 |
109 | 166 return globalList[id]; |
167 } | |
168 | |
169 void* | |
170 Scheduler::global_get(int id) | |
171 { | |
172 return globalList[id]; | |
173 } | |
174 | |
175 void | |
373 | 176 Scheduler::global_set(int id, void *addr) |
177 { | |
178 globalList[id] = addr; | |
179 } | |
180 | |
181 void | |
109 | 182 Scheduler::global_free(int id) |
183 { | |
184 free(globalList[id]); | |
185 globalList[id] = NULL; | |
186 } | |
187 | |
188 /** | |
298 | 189 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
190 * これは Fifo, Cell で共通 | |
109 | 191 */ |
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192 memaddr |
109 | 193 Scheduler::mainMem_get(int id) |
194 { | |
195 return mainMemList[id]; | |
42 | 196 } |
197 | |
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198 /** |
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199 * Task load API |
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200 */ |
425 | 201 void |
872 | 202 Scheduler::allocate_code_segment(int size, int count, struct tbl *table) |
425 | 203 { |
437 | 204 // 既に overlay 領域があるので、それを追加する必要がある... |
442 | 205 code_segment_pool = createMemList(size, count); |
872 | 206 if (table) { |
207 MemorySegment* here = (MemorySegment*)( | |
208 manager->allocate(sizeof(MemorySegment))); | |
209 here->data = (void*)(table->vma); | |
210 here->size = size; | |
211 here->address = (memaddr)here; | |
212 code_segment_pool->addLast(here); | |
213 } | |
425 | 214 } |
42 | 215 |
421
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216 static void |
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217 load_task(Scheduler *m, int task_id) |
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218 { |
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219 MemorySegment *s = m->get_segment( |
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220 task_list[task_id].location, |
437 | 221 m->code_segment_pool, |
222 task_list[task_id].end-task_list[task_id].location); | |
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223 task_list[task_id].segment = s; |
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224 // calcurate call address |
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225 TaskObjectRun run = |
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226 (TaskObjectRun)( |
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227 (char*)task_list[task_id].segment->data + |
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228 task_list[task_id].entry_offset); |
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229 task_list[task_id].run = run; |
874 | 230 #if 0 |
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231 m->printf("loadng task id %d at 0x%x entry 0x%x location 0x%x\n",task_id, |
461 | 232 (unsigned int)(task_list[task_id].segment->data ), |
233 (unsigned int)( | |
234 (char*)task_list[task_id].segment->data + | |
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235 task_list[task_id].entry_offset), |
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236 task_list[task_id].location); |
506 | 237 #endif |
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238 } |
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239 |
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240 static void |
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241 null_loader(Scheduler *m, int task_id) |
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242 { |
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243 } |
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244 |
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245 static void |
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246 wait_load(Scheduler *m, int task_id) |
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247 { |
523 | 248 #if 0 |
442 | 249 MemorySegment *s = task_list[task_id].segment; |
250 if (s) | |
736 | 251 m->printf("wait load task id %d 0x%x\n",task_id,(int)s->data); |
442 | 252 else |
736 | 253 m->printf("wait load task id %d 000000\n",task_id); |
506 | 254 #endif |
421
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255 // wait for code segment load |
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256 m->wait_segment(task_list[task_id].segment); |
506 | 257 #if 0 |
736 | 258 m->printf("wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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259 (unsigned int)(task_list[task_id].run), |
439 | 260 task_list[task_id].entry_offset); |
506 | 261 #endif |
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262 } |
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263 |
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264 static void |
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265 null_waiter(Scheduler *m, int task_id) |
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266 { |
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267 } |
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268 |
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269 extern void |
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270 register_task(int cmd, TaskObjectRun run) |
42 | 271 { |
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272 task_list[cmd].run = run; |
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273 task_list[cmd].load = null_loader; |
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274 task_list[cmd].wait = null_waiter; |
42 | 275 } |
373 | 276 |
421
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277 extern void |
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278 register_dynamic_task(int cmd, |
441 | 279 memaddr start, int size, |
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280 TaskObjectRun run, int entry_offset) |
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281 { |
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task run is mere C function now.
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282 task_list[cmd].run = run; |
421
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283 task_list[cmd].location = start; |
442 | 284 size &= 0xfffffffe; |
441 | 285 task_list[cmd].end = start+size; |
421
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286 task_list[cmd].entry_offset = entry_offset; |
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287 task_list[cmd].load = load_task; |
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288 task_list[cmd].wait = wait_load; |
506 | 289 #if 0 |
736 | 290 this->printf("cmd = %d\n",cmd); |
291 this->printf("locatation = 0x%x\n",start); | |
292 this->printf("end = 0x%x\n",start+size); | |
293 this->printf("size = 0x%x\n",size); | |
294 this->printf("entry = 0x%x\n",entry_offset); | |
506 | 295 #endif |
439 | 296 |
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297 } |
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298 |
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299 |
373 | 300 /*! |
386 | 301 |
302 size 単位のMemory Segment を count 個作る | |
303 | |
373 | 304 @param [size] リストの要素1つのサイズ |
305 @param [count] 要素数 | |
306 @return allocate した領域のポインタ | |
307 | |
308 */ | |
309 MemList* | |
310 Scheduler::createMemList(int size, int count) | |
311 { | |
312 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
313 uint32 seg_size = round_up16(head_size+size); | |
800
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run16 word count ( not yet worked. )
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314 char* mseg = (char*)manager->allocate(seg_size*count); |
373 | 315 MemList* mlist = new MemList((MemorySegment*)mseg); |
316 | |
388
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MemHash (OS X version)
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317 if (!hash) { |
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318 hash = new MemHash(); |
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MemHash (OS X version)
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319 } |
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320 |
373 | 321 for(int i = 0; i < count; i++) { |
322 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
323 char* data = (char*)next+head_size; | |
324 next->data = (void*)data; | |
386 | 325 next->size = size; |
395 | 326 next->address = (memaddr)next; |
373 | 327 mlist->addLast(next); |
328 } | |
329 | |
330 return mlist; | |
331 } | |
386 | 332 |
333 /*! | |
334 | |
335 Main Memory のSegmentを取得する | |
336 | |
337 @param [addr] Main Memory のアドレス | |
338 @param [m] Mem List | |
339 @return allocate した領域のポインタ | |
340 memory directory にあるべきだが... | |
341 | |
342 */ | |
387
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343 MemorySegment * |
386 | 344 Scheduler::get_segment(memaddr addr, MemList *m) |
345 { | |
449
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346 MemorySegment *s = m->getFirst(); |
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get_segment fixed. and test_nogl rollback to 426. move!
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347 return get_segment(addr, m, s->size); |
437 | 348 } |
349 | |
350 MemorySegment * | |
351 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
352 { | |
353 // memory segment のsizeをoverride する場合がある | |
386 | 354 MemorySegment *s = hash->get(addr); |
355 if (s) { | |
356 /* 既に load されている */ | |
736 | 357 // this->printf("get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
391 | 358 m->moveToFirst(s); |
386 | 359 return s; |
360 } | |
361 | |
362 /* LRU なので、もっとも使われてない segment を上書きする */ | |
363 s = m->getLast(); | |
364 m->moveToFirst(s); | |
365 | |
366 memaddr old_addr = s->address; | |
387
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367 s->tag = get_tag(); |
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368 dma_load(s->data, addr, |
437 | 369 size, s->tag); |
386 | 370 /* 前のをhashから削除 */ |
371 hash->remove(old_addr); | |
372 /* 新しいaddress を登録 */ | |
373 s->address = addr; | |
374 hash->put(s->address, s); | |
375 | |
736 | 376 // this->printf("get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
439 | 377 |
386 | 378 return s; |
379 } | |
380 | |
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381 |
386 | 382 uint32 |
383 Scheduler::get_tag() | |
384 { | |
458 | 385 static int tag = 16; |
386 tag ++; | |
387 tag &= 0x0f; | |
388 return tag+16; | |
386 | 389 } |
390 | |
391 /*! | |
392 | |
393 Main Memory のSegmentを書き出す | |
394 Segment は get_segement されていて、 | |
395 追い出されていてはいけない。 | |
396 それを保証するのは難しい? | |
397 | |
398 @param [addr] Main Memory のアドレス | |
399 @param [m] Mem List | |
400 @return allocate した領域のポインタ | |
401 | |
402 */ | |
403 void | |
404 Scheduler::put_segment(MemorySegment *s) | |
405 { | |
387
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406 dma_store(s->data, s->address, |
386 | 407 s->size, s->tag); |
408 } | |
409 | |
410 /*! | |
411 | |
412 Main Memory のSegmentを読込、書き出しを待つ | |
413 | |
414 @param [id] MemorySegment のid | |
415 | |
416 */ | |
417 void | |
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418 Scheduler::wait_segment(MemorySegment *s) |
386 | 419 { |
391 | 420 // 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? |
421 | |
422 if (s->tag) dma_wait(s->tag); | |
423 s->tag = 0; | |
386 | 424 } |
425 | |
621 | 426 long Scheduler::get_random() { |
427 #if defined(__SPU__) | |
428 return 0; | |
429 #else | |
430 return random(); | |
431 #endif | |
432 | |
433 } | |
434 | |
736 | 435 int |
436 Scheduler::printf(const char * format, ...) | |
437 { | |
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fix early free of TaskArray, add SchedTaskArrayNop stage.
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438 #if !defined(__SPU__) || 1 |
736 | 439 va_list ap; |
440 va_start(ap,format); | |
742 | 441 int ret= vprintf0(format, ap); |
736 | 442 va_end(ap); |
443 return ret; | |
444 #else | |
445 return 0; | |
446 #endif | |
447 } | |
448 | |
449 | |
450 int | |
742 | 451 Scheduler::vprintf0(const char * format, va_list ap) |
736 | 452 { |
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453 #if !defined(__SPU__) || 1 |
736 | 454 int ret= vprintf(format, ap); |
455 return ret; | |
456 #else | |
457 return 0; | |
458 #endif | |
459 } | |
460 | |
461 | |
386 | 462 /* end */ |