Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 873:3b9536925fb8
fix hash problem ( unsigned int-> long overflow )
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 04 Jul 2010 19:01:24 +0900 |
| parents | e49c1b29c43d |
| children | 8df4323f9fdb |
| 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 void | |
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113 Scheduler::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 114 { |
| 115 connector->dma_load(buf, addr, size, mask); | |
| 116 } | |
| 117 | |
| 118 void | |
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119 Scheduler::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 120 { |
| 121 connector->dma_store(buf, addr, size, mask); | |
| 122 } | |
| 123 | |
| 124 void | |
| 125 Scheduler::dma_wait(uint32 mask) | |
| 126 { | |
| 127 connector->dma_wait(mask); | |
| 128 } | |
| 129 | |
| 130 void | |
| 131 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) | |
| 132 { | |
| 133 connector->dma_loadList(list, buff, mask); | |
| 42 | 134 } |
| 135 | |
| 136 | |
| 109 | 137 void |
| 138 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
| 139 { | |
| 140 return connector->dma_storeList(list, buff, mask); | |
| 141 } | |
| 142 | |
| 143 void | |
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144 Scheduler::mail_write(memaddr data) |
| 109 | 145 { |
| 146 connector->mail_write(data); | |
| 147 } | |
| 148 | |
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149 memaddr |
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150 Scheduler::mail_read() |
| 109 | 151 { |
| 152 return connector->mail_read(); | |
| 153 } | |
| 154 | |
| 155 | |
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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 |
| 872 | 203 Scheduler::allocate_code_segment(int size, int count, struct tbl *table) |
| 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); |
| 872 | 207 if (table) { |
| 208 MemorySegment* here = (MemorySegment*)( | |
| 209 manager->allocate(sizeof(MemorySegment))); | |
| 210 here->data = (void*)(table->vma); | |
| 211 here->size = size; | |
| 212 here->address = (memaddr)here; | |
| 213 code_segment_pool->addLast(here); | |
| 214 } | |
| 425 | 215 } |
| 42 | 216 |
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217 static void |
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218 load_task(Scheduler *m, int task_id) |
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219 { |
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220 MemorySegment *s = m->get_segment( |
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221 task_list[task_id].location, |
| 437 | 222 m->code_segment_pool, |
| 223 task_list[task_id].end-task_list[task_id].location); | |
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224 task_list[task_id].segment = s; |
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225 // calcurate call address |
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226 TaskObjectRun run = |
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227 (TaskObjectRun)( |
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228 (char*)task_list[task_id].segment->data + |
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229 task_list[task_id].entry_offset); |
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230 task_list[task_id].run = run; |
| 872 | 231 #if 1 |
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232 m->printf("loadng task id %d at 0x%x entry 0x%x location 0x%x\n",task_id, |
| 461 | 233 (unsigned int)(task_list[task_id].segment->data ), |
| 234 (unsigned int)( | |
| 235 (char*)task_list[task_id].segment->data + | |
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236 task_list[task_id].entry_offset), |
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237 task_list[task_id].location); |
| 506 | 238 #endif |
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239 } |
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240 |
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241 static void |
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242 null_loader(Scheduler *m, int task_id) |
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243 { |
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244 } |
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245 |
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246 static void |
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247 wait_load(Scheduler *m, int task_id) |
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248 { |
| 523 | 249 #if 0 |
| 442 | 250 MemorySegment *s = task_list[task_id].segment; |
| 251 if (s) | |
| 736 | 252 m->printf("wait load task id %d 0x%x\n",task_id,(int)s->data); |
| 442 | 253 else |
| 736 | 254 m->printf("wait load task id %d 000000\n",task_id); |
| 506 | 255 #endif |
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256 // wait for code segment load |
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257 m->wait_segment(task_list[task_id].segment); |
| 506 | 258 #if 0 |
| 736 | 259 m->printf("wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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260 (unsigned int)(task_list[task_id].run), |
| 439 | 261 task_list[task_id].entry_offset); |
| 506 | 262 #endif |
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263 } |
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264 |
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265 static void |
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266 null_waiter(Scheduler *m, int task_id) |
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267 { |
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268 } |
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269 |
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270 extern void |
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271 register_task(int cmd, TaskObjectRun run) |
| 42 | 272 { |
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273 task_list[cmd].run = run; |
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274 task_list[cmd].load = null_loader; |
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275 task_list[cmd].wait = null_waiter; |
| 42 | 276 } |
| 373 | 277 |
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278 extern void |
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279 register_dynamic_task(int cmd, |
| 441 | 280 memaddr start, int size, |
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281 TaskObjectRun run, int entry_offset) |
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282 { |
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283 task_list[cmd].run = run; |
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284 task_list[cmd].location = start; |
| 442 | 285 size &= 0xfffffffe; |
| 441 | 286 task_list[cmd].end = start+size; |
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287 task_list[cmd].entry_offset = entry_offset; |
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288 task_list[cmd].load = load_task; |
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289 task_list[cmd].wait = wait_load; |
| 506 | 290 #if 0 |
| 736 | 291 this->printf("cmd = %d\n",cmd); |
| 292 this->printf("locatation = 0x%x\n",start); | |
| 293 this->printf("end = 0x%x\n",start+size); | |
| 294 this->printf("size = 0x%x\n",size); | |
| 295 this->printf("entry = 0x%x\n",entry_offset); | |
| 506 | 296 #endif |
| 439 | 297 |
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298 } |
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299 |
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300 |
| 373 | 301 /*! |
| 386 | 302 |
| 303 size 単位のMemory Segment を count 個作る | |
| 304 | |
| 373 | 305 @param [size] リストの要素１つのサイズ |
| 306 @param [count] 要素数 | |
| 307 @return allocate した領域のポインタ | |
| 308 | |
| 309 */ | |
| 310 MemList* | |
| 311 Scheduler::createMemList(int size, int count) | |
| 312 { | |
| 313 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
| 314 uint32 seg_size = round_up16(head_size+size); | |
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315 char* mseg = (char*)manager->allocate(seg_size*count); |
| 373 | 316 MemList* mlist = new MemList((MemorySegment*)mseg); |
| 317 | |
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388
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318 if (!hash) { |
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319 hash = new MemHash(); |
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320 } |
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321 |
| 373 | 322 for(int i = 0; i < count; i++) { |
| 323 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
| 324 char* data = (char*)next+head_size; | |
| 325 next->data = (void*)data; | |
| 386 | 326 next->size = size; |
| 395 | 327 next->address = (memaddr)next; |
| 373 | 328 mlist->addLast(next); |
| 329 } | |
| 330 | |
| 331 return mlist; | |
| 332 } | |
| 386 | 333 |
| 334 /*! | |
| 335 | |
| 336 Main Memory のSegmentを取得する | |
| 337 | |
| 338 @param [addr] Main Memory のアドレス | |
| 339 @param [m] Mem List | |
| 340 @return allocate した領域のポインタ | |
| 341 memory directory にあるべきだが... | |
| 342 | |
| 343 */ | |
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344 MemorySegment * |
| 386 | 345 Scheduler::get_segment(memaddr addr, MemList *m) |
| 346 { | |
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347 MemorySegment *s = m->getFirst(); |
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348 return get_segment(addr, m, s->size); |
| 437 | 349 } |
| 350 | |
| 351 MemorySegment * | |
| 352 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
| 353 { | |
| 354 // memory segment のsizeをoverride する場合がある | |
| 386 | 355 MemorySegment *s = hash->get(addr); |
| 356 if (s) { | |
| 357 /* 既に load されている */ | |
| 736 | 358 // this->printf("get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
| 391 | 359 m->moveToFirst(s); |
| 386 | 360 return s; |
| 361 } | |
| 362 | |
| 363 /* LRU なので、もっとも使われてない segment を上書きする */ | |
| 364 s = m->getLast(); | |
| 365 m->moveToFirst(s); | |
| 366 | |
| 367 memaddr old_addr = s->address; | |
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368 s->tag = get_tag(); |
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369 dma_load(s->data, addr, |
| 437 | 370 size, s->tag); |
| 386 | 371 /* 前のをhashから削除 */ |
| 372 hash->remove(old_addr); | |
| 373 /* 新しいaddress を登録 */ | |
| 374 s->address = addr; | |
| 375 hash->put(s->address, s); | |
| 376 | |
| 736 | 377 // this->printf("get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
| 439 | 378 |
| 386 | 379 return s; |
| 380 } | |
| 381 | |
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382 |
| 386 | 383 uint32 |
| 384 Scheduler::get_tag() | |
| 385 { | |
| 458 | 386 static int tag = 16; |
| 387 tag ++; | |
| 388 tag &= 0x0f; | |
| 389 return tag+16; | |
| 386 | 390 } |
| 391 | |
| 392 /*! | |
| 393 | |
| 394 Main Memory のSegmentを書き出す | |
| 395 Segment は get_segement されていて、 | |
| 396 追い出されていてはいけない。 | |
| 397 それを保証するのは難しい? | |
| 398 | |
| 399 @param [addr] Main Memory のアドレス | |
| 400 @param [m] Mem List | |
| 401 @return allocate した領域のポインタ | |
| 402 | |
| 403 */ | |
| 404 void | |
| 405 Scheduler::put_segment(MemorySegment *s) | |
| 406 { | |
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407 dma_store(s->data, s->address, |
| 386 | 408 s->size, s->tag); |
| 409 } | |
| 410 | |
| 411 /*! | |
| 412 | |
| 413 Main Memory のSegmentを読込、書き出しを待つ | |
| 414 | |
| 415 @param [id] MemorySegment のid | |
| 416 | |
| 417 */ | |
| 418 void | |
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419 Scheduler::wait_segment(MemorySegment *s) |
| 386 | 420 { |
| 391 | 421 // 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? |
| 422 | |
| 423 if (s->tag) dma_wait(s->tag); | |
| 424 s->tag = 0; | |
| 386 | 425 } |
| 426 | |
| 621 | 427 long Scheduler::get_random() { |
| 428 #if defined(__SPU__) | |
| 429 return 0; | |
| 430 #else | |
| 431 return random(); | |
| 432 #endif | |
| 433 | |
| 434 } | |
| 435 | |
| 736 | 436 int |
| 437 Scheduler::printf(const char * format, ...) | |
| 438 { | |
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439 #if !defined(__SPU__) || 1 |
| 736 | 440 va_list ap; |
| 441 va_start(ap,format); | |
| 742 | 442 int ret= vprintf0(format, ap); |
| 736 | 443 va_end(ap); |
| 444 return ret; | |
| 445 #else | |
| 446 return 0; | |
| 447 #endif | |
| 448 } | |
| 449 | |
| 450 | |
| 451 int | |
| 742 | 452 Scheduler::vprintf0(const char * format, va_list ap) |
| 736 | 453 { |
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454 #if !defined(__SPU__) || 1 |
| 736 | 455 int ret= vprintf(format, ap); |
| 456 return ret; | |
| 457 #else | |
| 458 return 0; | |
| 459 #endif | |
| 460 } | |
| 461 | |
| 462 | |
| 386 | 463 /* end */ |