Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 1007:18a548c337cb
add mail_queue
author | yutaka@localhost.localdomain |
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date | Thu, 28 Oct 2010 08:39:19 +0900 |
parents | 33630c6ff445 |
children | c67379f9d411 |
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 { |
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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 { | |
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77 |
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78 task3->write(); |
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79 task1->read(); |
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80 task2->exec(); |
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81 |
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82 delete task3; |
42 | 83 |
373 | 84 task3 = task2; |
85 task2 = task1; | |
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86 task1 = task1->next(this, 0); |
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87 |
42 | 88 } while (task1); |
89 | |
90 delete task3; | |
91 delete task2; | |
50 | 92 } |
48 | 93 |
50 | 94 |
95 void | |
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96 Scheduler::finish() |
50 | 97 { |
109 | 98 free(buff_taskList[0]); |
99 free(buff_taskList[1]); | |
42 | 100 } |
101 | |
109 | 102 /** |
298 | 103 * あらかじめ memory allocte してある TaskList の領域を |
104 * パイプラインの各処理が交代して使う。 | |
109 | 105 */ |
42 | 106 TaskListPtr |
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107 Scheduler::get_curListBuf() |
42 | 108 { |
109 | 109 buffFlag_taskList ^= 1; |
110 | |
111 return buff_taskList[buffFlag_taskList]; | |
112 } | |
113 | |
114 void | |
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115 Scheduler::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) |
109 | 116 { |
117 connector->dma_load(buf, addr, size, mask); | |
118 } | |
119 | |
120 void | |
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121 Scheduler::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask) |
109 | 122 { |
123 connector->dma_store(buf, addr, size, mask); | |
124 } | |
125 | |
126 void | |
127 Scheduler::dma_wait(uint32 mask) | |
128 { | |
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129 //printf("%d\n",mask); |
109 | 130 connector->dma_wait(mask); |
131 } | |
132 | |
133 void | |
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134 Scheduler::dma_wait(uint32 mask, int cmd) |
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135 { |
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136 connector->dma_wait(mask,cmd); |
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137 } |
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138 |
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139 void |
109 | 140 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) |
141 { | |
142 connector->dma_loadList(list, buff, mask); | |
42 | 143 } |
144 | |
145 | |
109 | 146 void |
147 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
148 { | |
149 return connector->dma_storeList(list, buff, mask); | |
150 } | |
151 | |
152 void | |
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153 Scheduler::mail_write(memaddr data) |
109 | 154 { |
155 connector->mail_write(data); | |
156 } | |
157 | |
1007 | 158 void |
159 Scheduler::mail_write_queue(memaddr data) | |
160 { | |
161 connector->mail_write_queue(data); | |
162 } | |
163 | |
164 void | |
165 Scheduler::mail_write_finish_list(memaddr data) | |
166 { | |
167 connector->mail_write(data); | |
168 } | |
169 | |
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170 memaddr |
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171 Scheduler::mail_read() |
109 | 172 { |
173 return connector->mail_read(); | |
174 } | |
175 | |
176 | |
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177 |
386 | 178 /* |
179 ここから下は、memory 以下にあるべき | |
180 */ | |
181 | |
109 | 182 void* |
183 Scheduler::global_alloc(int id, int size) | |
184 { | |
792 | 185 |
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186 globalList[id] = manager->allocate(size); |
792 | 187 |
109 | 188 return globalList[id]; |
189 } | |
190 | |
191 void* | |
192 Scheduler::global_get(int id) | |
193 { | |
194 return globalList[id]; | |
195 } | |
196 | |
197 void | |
373 | 198 Scheduler::global_set(int id, void *addr) |
199 { | |
200 globalList[id] = addr; | |
201 } | |
202 | |
203 void | |
109 | 204 Scheduler::global_free(int id) |
205 { | |
206 free(globalList[id]); | |
207 globalList[id] = NULL; | |
208 } | |
209 | |
210 /** | |
298 | 211 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
212 * これは Fifo, Cell で共通 | |
109 | 213 */ |
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214 memaddr |
109 | 215 Scheduler::mainMem_get(int id) |
216 { | |
217 return mainMemList[id]; | |
42 | 218 } |
219 | |
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220 /** |
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221 * Task load API |
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222 */ |
425 | 223 void |
872 | 224 Scheduler::allocate_code_segment(int size, int count, struct tbl *table) |
425 | 225 { |
437 | 226 // 既に overlay 領域があるので、それを追加する必要がある... |
442 | 227 code_segment_pool = createMemList(size, count); |
872 | 228 if (table) { |
229 MemorySegment* here = (MemorySegment*)( | |
230 manager->allocate(sizeof(MemorySegment))); | |
231 here->data = (void*)(table->vma); | |
232 here->size = size; | |
233 here->address = (memaddr)here; | |
234 code_segment_pool->addLast(here); | |
235 } | |
425 | 236 } |
42 | 237 |
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238 static void |
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239 load_task(Scheduler *m, int task_id) |
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240 { |
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241 MemorySegment *s = m->get_segment( |
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242 task_list[task_id].location, |
437 | 243 m->code_segment_pool, |
244 task_list[task_id].end-task_list[task_id].location); | |
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245 task_list[task_id].segment = s; |
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246 // calcurate call address |
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247 TaskObjectRun run = |
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248 (TaskObjectRun)( |
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249 (char*)task_list[task_id].segment->data + |
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250 task_list[task_id].entry_offset); |
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251 task_list[task_id].run = run; |
874 | 252 #if 0 |
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253 m->printf("loadng task id %d at 0x%x entry 0x%x location 0x%x\n",task_id, |
461 | 254 (unsigned int)(task_list[task_id].segment->data ), |
255 (unsigned int)( | |
256 (char*)task_list[task_id].segment->data + | |
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257 task_list[task_id].entry_offset), |
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258 task_list[task_id].location); |
506 | 259 #endif |
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260 } |
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261 |
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262 static void |
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263 null_loader(Scheduler *m, int task_id) |
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264 { |
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265 } |
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266 |
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267 static void |
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268 wait_load(Scheduler *m, int task_id) |
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269 { |
523 | 270 #if 0 |
442 | 271 MemorySegment *s = task_list[task_id].segment; |
272 if (s) | |
736 | 273 m->printf("wait load task id %d 0x%x\n",task_id,(int)s->data); |
442 | 274 else |
736 | 275 m->printf("wait load task id %d 000000\n",task_id); |
506 | 276 #endif |
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277 // wait for code segment load |
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278 m->wait_segment(task_list[task_id].segment); |
506 | 279 #if 0 |
736 | 280 m->printf("wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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281 (unsigned int)(task_list[task_id].run), |
439 | 282 task_list[task_id].entry_offset); |
506 | 283 #endif |
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284 } |
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285 |
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286 static void |
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287 null_waiter(Scheduler *m, int task_id) |
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288 { |
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289 } |
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290 |
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291 extern void |
464
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292 register_task(int cmd, TaskObjectRun run) |
42 | 293 { |
464
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294 task_list[cmd].run = run; |
421
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295 task_list[cmd].load = null_loader; |
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296 task_list[cmd].wait = null_waiter; |
42 | 297 } |
373 | 298 |
421
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299 extern void |
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300 register_dynamic_task(int cmd, |
441 | 301 memaddr start, int size, |
464
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302 TaskObjectRun run, int entry_offset) |
421
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303 { |
464
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304 task_list[cmd].run = run; |
421
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305 task_list[cmd].location = start; |
442 | 306 size &= 0xfffffffe; |
441 | 307 task_list[cmd].end = start+size; |
421
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308 task_list[cmd].entry_offset = entry_offset; |
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309 task_list[cmd].load = load_task; |
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310 task_list[cmd].wait = wait_load; |
506 | 311 #if 0 |
736 | 312 this->printf("cmd = %d\n",cmd); |
313 this->printf("locatation = 0x%x\n",start); | |
314 this->printf("end = 0x%x\n",start+size); | |
315 this->printf("size = 0x%x\n",size); | |
316 this->printf("entry = 0x%x\n",entry_offset); | |
506 | 317 #endif |
439 | 318 |
421
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319 } |
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320 |
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321 |
373 | 322 /*! |
386 | 323 |
324 size 単位のMemory Segment を count 個作る | |
325 | |
373 | 326 @param [size] リストの要素1つのサイズ |
327 @param [count] 要素数 | |
328 @return allocate した領域のポインタ | |
329 | |
330 */ | |
331 MemList* | |
332 Scheduler::createMemList(int size, int count) | |
333 { | |
334 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
335 uint32 seg_size = round_up16(head_size+size); | |
800
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336 char* mseg = (char*)manager->allocate(seg_size*count); |
373 | 337 MemList* mlist = new MemList((MemorySegment*)mseg); |
338 | |
388
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339 if (!hash) { |
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340 hash = new MemHash(); |
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341 } |
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342 |
373 | 343 for(int i = 0; i < count; i++) { |
344 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
345 char* data = (char*)next+head_size; | |
346 next->data = (void*)data; | |
386 | 347 next->size = size; |
395 | 348 next->address = (memaddr)next; |
373 | 349 mlist->addLast(next); |
350 } | |
351 | |
352 return mlist; | |
353 } | |
386 | 354 |
355 /*! | |
356 | |
357 Main Memory のSegmentを取得する | |
358 | |
359 @param [addr] Main Memory のアドレス | |
360 @param [m] Mem List | |
361 @return allocate した領域のポインタ | |
362 memory directory にあるべきだが... | |
363 | |
364 */ | |
387
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365 MemorySegment * |
386 | 366 Scheduler::get_segment(memaddr addr, MemList *m) |
367 { | |
449
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368 MemorySegment *s = m->getFirst(); |
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369 return get_segment(addr, m, s->size); |
437 | 370 } |
371 | |
372 MemorySegment * | |
373 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
374 { | |
375 // memory segment のsizeをoverride する場合がある | |
386 | 376 MemorySegment *s = hash->get(addr); |
377 if (s) { | |
378 /* 既に load されている */ | |
736 | 379 // this->printf("get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
391 | 380 m->moveToFirst(s); |
386 | 381 return s; |
382 } | |
383 | |
384 /* LRU なので、もっとも使われてない segment を上書きする */ | |
385 s = m->getLast(); | |
386 m->moveToFirst(s); | |
387 | |
388 memaddr old_addr = s->address; | |
387
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389 s->tag = get_tag(); |
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390 dma_load(s->data, addr, |
437 | 391 size, s->tag); |
386 | 392 /* 前のをhashから削除 */ |
393 hash->remove(old_addr); | |
394 /* 新しいaddress を登録 */ | |
395 s->address = addr; | |
396 hash->put(s->address, s); | |
397 | |
736 | 398 // this->printf("get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
439 | 399 |
386 | 400 return s; |
401 } | |
402 | |
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403 |
386 | 404 uint32 |
405 Scheduler::get_tag() | |
406 { | |
458 | 407 static int tag = 16; |
408 tag ++; | |
409 tag &= 0x0f; | |
410 return tag+16; | |
386 | 411 } |
412 | |
413 /*! | |
414 | |
415 Main Memory のSegmentを書き出す | |
416 Segment は get_segement されていて、 | |
417 追い出されていてはいけない。 | |
418 それを保証するのは難しい? | |
419 | |
420 @param [addr] Main Memory のアドレス | |
421 @param [m] Mem List | |
422 @return allocate した領域のポインタ | |
423 | |
424 */ | |
425 void | |
426 Scheduler::put_segment(MemorySegment *s) | |
427 { | |
387
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428 dma_store(s->data, s->address, |
386 | 429 s->size, s->tag); |
430 } | |
431 | |
432 /*! | |
433 | |
434 Main Memory のSegmentを読込、書き出しを待つ | |
435 | |
436 @param [id] MemorySegment のid | |
437 | |
438 */ | |
439 void | |
387
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440 Scheduler::wait_segment(MemorySegment *s) |
386 | 441 { |
391 | 442 // 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? |
443 | |
444 if (s->tag) dma_wait(s->tag); | |
445 s->tag = 0; | |
386 | 446 } |
447 | |
621 | 448 long Scheduler::get_random() { |
449 #if defined(__SPU__) | |
450 return 0; | |
451 #else | |
452 return random(); | |
453 #endif | |
454 | |
455 } | |
456 | |
736 | 457 int |
458 Scheduler::printf(const char * format, ...) | |
459 { | |
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460 #if !defined(__SPU__) || 1 |
736 | 461 va_list ap; |
462 va_start(ap,format); | |
742 | 463 int ret= vprintf0(format, ap); |
736 | 464 va_end(ap); |
465 return ret; | |
466 #else | |
467 return 0; | |
468 #endif | |
469 } | |
470 | |
471 | |
472 int | |
742 | 473 Scheduler::vprintf0(const char * format, va_list ap) |
736 | 474 { |
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475 #if !defined(__SPU__) || 1 |
736 | 476 int ret= vprintf(format, ap); |
477 return ret; | |
478 #else | |
479 return 0; | |
480 #endif | |
481 } | |
482 | |
483 | |
386 | 484 /* end */ |