Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/SchedTask.cc @ 403:8611780d479f
clean up and add more info on task_list
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 23 Sep 2009 12:04:29 +0900 |
| parents | 8c5fa57128cb |
| children | cd77224d4224 |
| rev | line source |
|---|---|
| 308 | 1 #include <stdlib.h> |
| 2 #include <string.h> | |
| 42 | 3 #include "SchedTask.h" |
| 308 | 4 #include "SchedTaskList.h" |
| 5 #include "SchedNop2Ready.h" | |
| 6 #include "DmaManager.h" | |
| 7 #include "error.h" | |
| 8 #include "TaskManager.h" | |
|
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いろいろ fix 。詳しくは TaskManager/Changelog、test_render/Changelog を
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9 |
| 308 | 10 extern Scheduler::TaskObject task_list[MAX_TASK_OBJECT]; |
| 11 | |
| 373 | 12 //#define NO_PIPELINE |
| 308 | 13 |
| 14 SchedTask * | |
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15 createSchedTask(Scheduler *scheduler, TaskPtr task) |
| 302 | 16 { |
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17 return task_list[task->command].creator(scheduler); |
| 308 | 18 } |
| 19 | |
| 373 | 20 |
| 308 | 21 SchedTask::SchedTask() |
| 22 { | |
| 23 __list = NULL; | |
| 24 __task = NULL; | |
| 25 __inListData = NULL; | |
| 26 __outListData = NULL; | |
| 27 __readbuf = NULL; | |
| 28 __writebuf = NULL; | |
| 29 __scheduler = NULL; | |
| 30 __taskGroup = NULL; | |
| 31 __renew_flag = 0; | |
| 32 __cur_index = 0; | |
| 33 __flag_renewTask = SCHED_TASK_NORMAL; | |
| 373 | 34 |
| 308 | 35 ex_init = &SchedTask::ex_init_normal; |
| 36 ex_read = &SchedTask::ex_read_normal; | |
| 37 ex_exec = &SchedTask::ex_exec_normal; | |
| 38 ex_write = &SchedTask::ex_write_normal; | |
| 39 ex_next = &SchedTask::ex_next_normal; | |
| 40 | |
| 41 run_func = &SchedTask::run; | |
| 373 | 42 run_func1 = &SchedTask::run; |
| 308 | 43 } |
| 44 | |
| 45 /** | |
| 46 * dma_store の wait を行う | |
| 47 * このタスクが RenewTask だった場合、 | |
| 48 * __inListData や __outListData は | |
| 49 * Scheduler の持つ、使い回しの buffer ではなく | |
| 50 * 新たに allocate されたものなので、ここで free する | |
| 51 */ | |
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52 SchedTask::~SchedTask() |
| 308 | 53 { |
| 54 if (__flag_renewTask == SCHED_TASK_RENEW) { | |
| 373 | 55 free(__inListData); |
| 308 | 56 free(__outListData); |
| 373 | 57 |
| 58 /** | |
| 59 * __list != NULL の場合、 | |
| 60 * この Task が __list の最後の Task になるので (SchedTask::next 参照) | |
| 61 * このタイミングで __list を解放する | |
| 62 * (free に渡されるアドレスが正しいものとなる)。 | |
| 63 * それ以外の Task では当然解放しない。 | |
| 64 * __list == NULL なので、free に渡しても無問題 | |
| 65 */ | |
| 66 free(__list); | |
| 308 | 67 } |
| 68 | |
| 321 | 69 |
| 308 | 70 } |
| 71 | |
| 373 | 72 /** |
| 308 | 73 * このタスクを Renew Task とし、それに応じた関数をセットする |
| 74 */ | |
| 75 void | |
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76 SchedTask::__setRenew() |
| 308 | 77 { |
| 78 __flag_renewTask = SCHED_TASK_RENEW; | |
| 79 | |
| 80 ex_init = &SchedTask::ex_init_renew; | |
| 81 ex_read = &SchedTask::ex_read_renew; | |
| 82 ex_exec = &SchedTask::ex_exec_renew; | |
| 373 | 83 ex_write = &SchedTask::ex_write_renew; |
| 308 | 84 ex_next = &SchedTask::ex_next_renew; |
| 85 } | |
| 86 | |
| 87 void | |
| 88 SchedTask::__init__(TaskListPtr _list, TaskPtr _task, int index, | |
| 373 | 89 ListDataPtr rbuf, ListDataPtr wbuf, Scheduler* sc) |
| 308 | 90 { |
| 91 __list = _list; | |
| 92 __task = _task; | |
| 93 __inListData = rbuf; | |
| 94 __outListData = wbuf; | |
| 95 __scheduler = sc; | |
| 96 __cur_index = index; | |
| 97 | |
| 98 __scheduler->mainMem_wait(); | |
| 99 | |
| 100 (this->*ex_init)(); | |
| 101 } | |
| 102 | |
| 103 /** | |
| 104 * PPE 内で生成されたタスクの ex_init() | |
| 105 */ | |
| 106 void | |
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107 SchedTask::ex_init_normal() |
| 308 | 108 { |
| 109 __scheduler->dma_load(__inListData, (uint32)__task->inData, | |
| 373 | 110 sizeof(ListData), DMA_READ_IN_LIST); |
| 308 | 111 __scheduler->dma_load(__outListData, (uint32)__task->outData, |
| 373 | 112 sizeof(ListData), DMA_READ_OUT_LIST); |
| 308 | 113 #if defined(NO_PIPELINE) |
| 114 __scheduler->dma_wait(DMA_READ_IN_LIST); | |
| 115 __scheduler->dma_wait(DMA_READ_OUT_LIST); | |
| 116 #endif | |
| 373 | 117 |
| 308 | 118 __taskGroup = new TaskGroup; |
| 119 __taskGroup->command = __task->self; | |
| 120 } | |
| 121 | |
| 122 /** | |
| 123 * SPE 内で生成されたタスクの ex_init() | |
| 124 * 各データは SPE 内の create_task 時に生成もしくは引き継がれているので | |
| 125 * ex_init_normal() と違い、ここでは値を渡すだけ | |
| 126 */ | |
| 127 void | |
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128 SchedTask::ex_init_renew() |
| 308 | 129 { |
| 130 __inListData = __task->inData; | |
| 131 __outListData = __task->outData; | |
| 373 | 132 __taskGroup = (TaskGroupPtr)__task->self; |
| 308 | 133 } |
| 134 | |
| 135 /** | |
| 136 * [Todo] | |
| 137 * データの読み込み場所を readbuf ではなく、 | |
| 138 * ユーザ自身で決めれるようになるといいかもしれない。 | |
| 139 * | |
| 140 * # TaskManager が勝手に消すことなく、 | |
| 141 * # ユーザが SPE 上に持ち続けることができるため。 | |
| 142 * # もちろん管理はユーザに任せるわけだ。 | |
| 143 */ | |
| 144 void | |
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145 SchedTask::read() |
| 373 | 146 { |
| 308 | 147 __debug("[SchedTask:%s]\n", __FUNCTION__); |
| 148 | |
| 149 #if !defined(NO_PIPELINE) | |
| 150 __scheduler->dma_wait(DMA_READ_IN_LIST); | |
| 151 __scheduler->dma_wait(DMA_READ_OUT_LIST); | |
| 152 #endif | |
| 153 | |
| 154 __writebuf = __scheduler->allocate(__outListData->size); | |
| 373 | 155 |
| 308 | 156 // 読むデータが一つもなければ無視 |
| 157 if (__inListData->length == 0) return; | |
| 158 | |
| 159 // load Input Data | |
| 160 __readbuf = __scheduler->allocate(__inListData->size); | |
| 161 __scheduler->dma_loadList(__inListData, __readbuf, DMA_READ); | |
| 162 | |
| 163 #if defined(NO_PIPELINE) | |
| 164 __scheduler->dma_wait(DMA_READ); | |
| 165 #endif | |
| 166 | |
| 167 (this->*ex_read)(); | |
| 168 } | |
| 169 | |
| 170 void | |
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171 SchedTask::exec() |
| 308 | 172 { |
| 173 __debug("[SchedTask:%s]\n", __FUNCTION__); | |
| 174 | |
| 175 #if !defined(NO_PIPELINE) | |
| 176 __scheduler->dma_wait(DMA_READ); | |
| 177 #endif | |
| 178 | |
| 179 //run(__readbuf, __writebuf); | |
| 180 (this->*run_func)(__readbuf, __writebuf); | |
| 316 | 181 (this->*run_func1)(this, __readbuf, __writebuf); |
| 308 | 182 |
| 183 free(__readbuf); | |
| 184 | |
| 185 if (__taskGroup->status() != 0) { | |
| 373 | 186 __task->self = __taskGroup->command; |
| 187 delete __taskGroup; | |
| 188 __taskGroup = NULL; | |
| 308 | 189 } |
| 190 | |
| 191 | |
| 192 // 書き込む領域がなければ無視 | |
| 193 if (__outListData->length > 0) { | |
| 373 | 194 __scheduler->dma_storeList(__outListData, __writebuf, DMA_WRITE); |
| 308 | 195 |
| 196 #if defined(NO_PIPELINE) | |
| 373 | 197 __scheduler->dma_wait(DMA_WRITE); |
| 198 free(__writebuf); | |
| 308 | 199 #endif |
| 200 } | |
| 201 | |
| 202 (this->*ex_exec)(); | |
| 203 } | |
| 204 | |
| 205 void | |
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206 SchedTask::write() |
| 308 | 207 { |
| 208 __debug("[SchedTask:%s]\n", __FUNCTION__); | |
| 373 | 209 |
| 308 | 210 #if !defined(NO_PIPELINE) |
| 211 __scheduler->dma_wait(DMA_WRITE); | |
| 212 free(__writebuf); | |
| 213 #endif | |
| 214 | |
| 215 if (__task->self == MY_SPE_NOP) return; | |
| 216 | |
| 217 (this->*ex_write)(); | |
| 218 } | |
| 219 | |
| 220 /** | |
| 221 * PPE 内で生成されたタスクの ex_read() | |
| 222 */ | |
| 223 void | |
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224 SchedTask::ex_read_normal() |
| 308 | 225 { |
| 226 } | |
| 227 | |
| 228 /** | |
| 229 * SPE 内で生成されたタスクの ex_read() | |
| 230 */ | |
| 231 void | |
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232 SchedTask::ex_read_renew() |
| 308 | 233 { |
| 234 } | |
| 235 | |
| 236 /** | |
| 237 * PPE 内で生成されたタスクの ex_exec() | |
| 238 */ | |
| 239 void | |
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240 SchedTask::ex_exec_normal() |
| 308 | 241 { |
| 242 } | |
| 243 | |
| 244 /** | |
| 245 * SPE 内で生成されたタスクの ex_exec() | |
| 246 */ | |
| 247 void | |
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248 SchedTask::ex_exec_renew() |
| 308 | 249 { |
| 250 } | |
| 251 | |
| 252 | |
| 253 | |
| 254 /** | |
| 255 * PPE 内で生成されたタスクの ex_write() | |
| 373 | 256 * |
| 308 | 257 * このタスク内で新たにタスクが生成され、 |
| 258 * 且つそのタスクの終了を待つ必要がある場合、 | |
| 259 * PPE に終了したことは知らせない(command は送信しない) | |
| 260 */ | |
| 261 void | |
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262 SchedTask::ex_write_normal() |
| 308 | 263 { |
| 264 /** | |
| 265 * このタスク内で新たにタスクが生成されなかった | |
| 266 * or 生成されたが、そのタスクの終了を待つ必要は無い | |
| 267 */ | |
| 268 if (__renew_flag == 0) { | |
| 373 | 269 __scheduler->mail_write(__task->self); |
| 308 | 270 } |
| 302 | 271 } |
| 272 | |
| 308 | 273 /** |
| 274 * SPE 内で生成されたタスクの ex_write() | |
| 275 * | |
| 276 * A <- 親タスク | |
| 277 * | \ | |
| 278 * B C <- SPE 内で生成されたタスク | |
| 279 * | |
| 280 * A は SPE 内で B, C を生成したとする。 | |
| 281 * B と C が終了したら、A が PPE に送るはずだったコマンドが | |
| 282 * 子タスクに引き継がれているので、最後に実行された子タスクが | |
| 283 * PPE に mail 送信する。 | |
| 284 */ | |
| 285 void | |
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286 SchedTask::ex_write_renew() |
| 308 | 287 { |
| 288 uint32 cmd; | |
| 373 | 289 |
| 308 | 290 __taskGroup->remove(__task); |
| 373 | 291 cmd = __taskGroup->status(); |
| 308 | 292 |
| 293 // タスク内で作られた全てのタスクが終了した | |
| 294 if (cmd != 0) { | |
| 373 | 295 delete __taskGroup; |
| 296 __scheduler->mail_write(cmd); | |
| 308 | 297 } |
| 298 } | |
| 373 | 299 |
| 308 | 300 SchedTaskBase* |
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301 SchedTask::next(Scheduler *scheduler, SchedTaskBase *p) |
| 308 | 302 { |
| 303 __debug("[SchedTask:%s]\n", __FUNCTION__); | |
| 304 | |
| 305 delete p; | |
| 306 | |
| 307 return (this->*ex_next)(); | |
| 308 } | |
| 309 | |
| 310 SchedTaskBase* | |
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311 SchedTask::ex_next_normal() |
| 308 | 312 { |
| 313 if (__cur_index < __list->length) { | |
| 373 | 314 SchedTaskBase *nextSched; |
| 315 | |
| 316 nextSched = __scheduler->get_nextRenewTaskList(); | |
| 308 | 317 |
| 373 | 318 // RenewTask がある |
| 319 if (nextSched) { | |
| 320 __scheduler->set_backupTaskList(__list); | |
| 321 __scheduler->set_backupTaskListIndex(__cur_index); | |
| 322 return nextSched; | |
| 323 } else { | |
| 324 TaskPtr nextTask = &__list->tasks[__cur_index++]; | |
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325 nextSched = createSchedTask(__scheduler, nextTask); |
| 373 | 326 ((SchedTask*)nextSched)->__init__(__list, nextTask, __cur_index, |
| 327 __scheduler->get_curReadBuf(), | |
| 328 __scheduler->get_curWriteBuf(), | |
| 329 __scheduler); | |
| 330 return nextSched; | |
| 331 } | |
| 308 | 332 } else { |
| 373 | 333 uint32 nextList = (uint32)__list->next; |
| 334 | |
| 335 if (nextList == 0) { | |
| 336 return new SchedNop2Ready(__scheduler); | |
| 337 } else { | |
| 338 return createSchedTaskList(nextList, __scheduler, | |
| 339 SCHED_TASKLIST_NORMAL); | |
| 340 } | |
| 308 | 341 } |
| 342 } | |
| 343 | |
| 344 /** | |
| 345 * | |
| 346 */ | |
| 347 SchedTaskBase* | |
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348 SchedTask::ex_next_renew() |
| 308 | 349 { |
| 350 TaskPtr nextTask; | |
| 351 SchedTask *nextSched; | |
| 352 | |
| 353 if (__cur_index < __list->length) { | |
| 373 | 354 nextTask = &__list->tasks[__cur_index++]; |
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355 nextSched = createSchedTask(__scheduler, nextTask); |
| 308 | 356 |
| 373 | 357 // RenewTaskList を実行中なので |
| 358 nextSched->__setRenew(); | |
| 359 nextSched->__init__(__list, nextTask, __cur_index, | |
| 360 __scheduler->get_curReadBuf(), | |
| 361 __scheduler->get_curWriteBuf(), | |
| 362 __scheduler); | |
| 308 | 363 |
| 373 | 364 /** |
| 365 * この理由は SchedTask:~SchedTask() で | |
| 366 */ | |
| 367 __list = NULL; | |
| 368 return nextSched; | |
| 308 | 369 } else { |
| 373 | 370 SchedTaskBase *nextList; |
| 371 | |
| 372 nextList = __scheduler->get_nextRenewTaskList(); | |
| 373 | |
| 374 if (nextList) { | |
| 375 return nextList; | |
| 376 } else { | |
| 377 TaskListPtr nextList = __scheduler->get_backupTaskList(); | |
| 378 | |
| 379 // 中断した TaskList がある | |
| 380 if (nextList) { | |
| 381 __cur_index = __scheduler->get_backupTaskListIndex(); | |
| 308 | 382 |
| 373 | 383 nextTask = &nextList->tasks[__cur_index++]; |
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384 nextSched = createSchedTask(__scheduler, nextTask); |
| 373 | 385 |
| 386 nextSched->__init__(nextList, nextTask, __cur_index, | |
| 387 __scheduler->get_curReadBuf(), | |
| 388 __scheduler->get_curWriteBuf(), | |
| 389 __scheduler); | |
| 390 return nextSched; | |
| 391 } else { | |
| 392 return new SchedNop2Ready(__scheduler); | |
| 393 } | |
| 394 } | |
| 308 | 395 } |
| 396 } | |
| 397 | |
| 398 int | |
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399 SchedTask::get_cpuid() |
| 308 | 400 { |
| 401 return __scheduler->id; | |
| 402 } | |
| 403 | |
| 404 /** | |
| 405 * task->add_inData で与えられた順番に対応する index (0〜n-1) で、 | |
| 406 * buffer から対応するデータを返す。 | |
| 407 */ | |
| 408 void* | |
| 409 SchedTask::get_input(void *buff, int index) | |
| 410 { | |
| 411 if (buff != NULL) { | |
| 373 | 412 return (void*)((int)buff + __inListData->bound[index]); |
| 308 | 413 } else { |
| 373 | 414 return NULL; |
| 308 | 415 } |
| 416 } | |
| 417 | |
| 418 /** | |
| 419 * get_input(index) のアドレスを返す | |
| 420 */ | |
| 421 uint32 | |
| 422 SchedTask::get_inputAddr(int index) | |
| 423 { | |
| 424 return __inListData->element[index].addr; | |
| 425 } | |
| 426 | |
| 427 /** | |
| 428 * get_input(index) のサイズを返す | |
| 429 */ | |
| 430 int | |
| 431 SchedTask::get_inputSize(int index) | |
| 432 { | |
| 433 return __inListData->element[index].size; | |
| 434 } | |
| 435 | |
| 436 /** | |
| 437 * write buffer の領域を返す。 | |
| 438 */ | |
| 439 void* | |
| 440 SchedTask::get_output(void *buff, int index) | |
| 441 { | |
| 442 if (buff != NULL) { | |
| 373 | 443 return (void*)((int)buff + __outListData->bound[index]); |
| 308 | 444 } else { |
| 373 | 445 return NULL; |
| 308 | 446 } |
| 447 } | |
| 448 | |
| 449 /** | |
| 450 * get_output(index) のアドレスを返す | |
| 451 */ | |
| 452 uint32 | |
| 453 SchedTask::get_outputAddr(int index) | |
| 454 { | |
| 455 return __outListData->element[index].addr; | |
| 456 } | |
| 457 | |
| 458 /** | |
| 459 * get_output(index) のサイズを返す | |
| 460 */ | |
| 461 int | |
| 462 SchedTask::get_outputSize(int index) | |
| 463 { | |
| 464 return __outListData->element[index].size; | |
| 465 } | |
| 466 | |
| 467 int | |
| 468 SchedTask::get_param(int index) | |
| 469 { | |
| 470 return __task->param[index]; | |
| 471 } | |
| 472 | |
| 473 TaskPtr | |
| 474 SchedTask::create_task(int cmd) | |
| 475 { | |
| 476 TaskListPtr taskList = __scheduler->get_renewListBuf(); | |
| 477 TaskPtr p = &taskList->tasks[taskList->length++]; | |
| 478 p->command = cmd; | |
| 479 | |
| 480 p->inData = (ListData*)__scheduler->allocate(sizeof(ListData)); | |
| 481 p->outData = (ListData*)__scheduler->allocate(sizeof(ListData)); | |
| 482 | |
| 483 p->inData->clear(); | |
| 484 p->outData->clear(); | |
| 485 | |
| 486 p->self = MY_SPE_NOP; | |
| 487 p->param_size = 0; | |
| 488 | |
| 489 return p; | |
| 490 } | |
| 491 | |
| 492 /** | |
| 493 * 生成したタスクが終了してから、メインスケジューラ(PPE) に | |
| 494 * タスクが終了した旨を知らせる。 | |
| 495 * | |
| 496 * @param[in] waitTask タスク内で生成したタスク | |
| 497 */ | |
| 498 void | |
| 499 SchedTask::wait_task(TaskPtr waitTask) | |
| 500 { | |
| 501 waitTask->self = (uint32)__taskGroup; | |
| 502 | |
| 503 __scheduler->add_groupTask(__taskGroup, waitTask); | |
| 504 | |
| 505 __renew_flag++; | |
| 506 } | |
| 507 | |
| 508 void* | |
| 509 SchedTask::global_alloc(int id, int size) { | |
| 510 return __scheduler->global_alloc(id, size); | |
| 511 } | |
| 512 | |
| 513 void* | |
| 514 SchedTask::global_get(int id) { | |
| 515 return __scheduler->global_get(id); | |
| 516 } | |
| 517 | |
| 518 void | |
| 373 | 519 SchedTask::global_set(int id, void *addr) { |
| 520 __scheduler->global_set(id, addr); | |
| 521 } | |
| 522 | |
| 523 void | |
| 308 | 524 SchedTask::global_free(int id) { |
| 525 __scheduler->global_free(id); | |
| 526 } | |
| 527 | |
| 373 | 528 MemList* |
| 529 SchedTask::createMemList(int size, int count) { | |
| 530 return __scheduler->createMemList(size, count); | |
| 531 } | |
| 532 | |
| 308 | 533 void |
| 534 SchedTask::mainMem_alloc(int id, int size) { | |
| 535 __scheduler->mainMem_alloc(id, size); | |
| 536 } | |
| 537 | |
| 538 void | |
|
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539 SchedTask::mainMem_wait() { |
| 308 | 540 __scheduler->mainMem_wait(); |
| 541 } | |
| 542 | |
| 543 void* | |
| 544 SchedTask::mainMem_get(int id) { | |
| 545 return __scheduler->mainMem_get(id); | |
| 546 } | |
| 547 | |
| 548 void* | |
| 549 SchedTask::allocate(int size) { | |
| 550 return __scheduler->allocate(size); | |
| 551 } | |
| 552 | |
| 553 void | |
| 554 SchedTask::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask) { | |
| 555 __scheduler->dma_load(buf, addr, size, mask); | |
| 556 } | |
| 557 | |
| 558 void | |
| 559 SchedTask::dma_store(void *buf,uint32 addr, uint32 size, uint32 mask) { | |
| 560 __scheduler->dma_store(buf, addr, size, mask); | |
| 561 } | |
| 562 | |
| 563 void | |
| 564 SchedTask::dma_wait(uint32 mask) { | |
| 565 __scheduler->dma_wait(mask); | |
| 566 } | |
| 567 | |
|
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568 void |
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569 SchedTask::show_dma_wait() { |
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570 __scheduler->show_dma_wait(); |
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571 } |
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572 |
|
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573 MemorySegment * SchedTask::get_segment(memaddr addr, MemList *m) { |
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574 return __scheduler->get_segment(addr,m); |
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575 } |
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576 |
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577 void SchedTask::put_segment(MemorySegment *s) { |
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578 __scheduler->put_segment(s); |
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579 } |
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580 |
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581 void SchedTask::wait_segment(MemorySegment *s) { |
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582 __scheduler->wait_segment(s); |
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583 } |
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584 |
|
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585 |
|
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|
586 |
| 308 | 587 /* end */ |