Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 1015:80b18af207c2
debug mail timing.
| author | yutaka@localhost.localdomain |
|---|---|
| date | Fri, 05 Nov 2010 22:25:33 +0900 |
| parents | c67379f9d411 |
| children | 19a57960c436 |
| 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" |
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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 task1->read(); |
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79 task2->exec(); |
| 1015 | 80 task3->write(); |
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81 |
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82 delete task3; |
| 42 | 83 |
| 373 | 84 task3 = task2; |
| 85 task2 = task1; | |
| 1015 | 86 //SchedMailの場合、Mailの待ちが入る |
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87 task1 = task1->next(this, 0); |
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88 |
| 42 | 89 } while (task1); |
| 90 | |
| 91 delete task3; | |
| 92 delete task2; | |
| 50 | 93 } |
| 48 | 94 |
| 50 | 95 |
| 96 void | |
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97 Scheduler::finish() |
| 50 | 98 { |
| 109 | 99 free(buff_taskList[0]); |
| 100 free(buff_taskList[1]); | |
| 42 | 101 } |
| 102 | |
| 109 | 103 /** |
| 298 | 104 * あらかじめ memory allocte してある TaskList の領域を |
| 105 * パイプラインの各処理が交代して使う。 | |
| 109 | 106 */ |
| 42 | 107 TaskListPtr |
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108 Scheduler::get_curListBuf() |
| 42 | 109 { |
| 109 | 110 buffFlag_taskList ^= 1; |
| 111 | |
| 112 return buff_taskList[buffFlag_taskList]; | |
| 113 } | |
| 114 | |
| 115 void | |
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116 Scheduler::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 117 { |
| 118 connector->dma_load(buf, addr, size, mask); | |
| 119 } | |
| 120 | |
| 121 void | |
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122 Scheduler::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 109 | 123 { |
| 124 connector->dma_store(buf, addr, size, mask); | |
| 125 } | |
| 126 | |
| 127 void | |
| 128 Scheduler::dma_wait(uint32 mask) | |
| 129 { | |
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130 //printf("%d\n",mask); |
| 109 | 131 connector->dma_wait(mask); |
| 132 } | |
| 133 | |
| 134 void | |
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135 Scheduler::dma_wait(uint32 mask, int cmd) |
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136 { |
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137 connector->dma_wait(mask,cmd); |
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138 } |
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139 |
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140 void |
| 109 | 141 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) |
| 142 { | |
| 143 connector->dma_loadList(list, buff, mask); | |
| 42 | 144 } |
| 145 | |
| 146 | |
| 109 | 147 void |
| 148 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
| 149 { | |
| 150 return connector->dma_storeList(list, buff, mask); | |
| 151 } | |
| 152 | |
| 153 void | |
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154 Scheduler::mail_write(memaddr data) |
| 109 | 155 { |
| 156 connector->mail_write(data); | |
| 157 } | |
| 158 | |
| 1007 | 159 void |
| 160 Scheduler::mail_write_queue(memaddr data) | |
| 161 { | |
| 162 connector->mail_write_queue(data); | |
| 163 } | |
| 164 | |
| 165 void | |
| 166 Scheduler::mail_write_finish_list(memaddr data) | |
| 167 { | |
| 1009 | 168 connector->mail_write_finish_list(data); |
| 1007 | 169 } |
| 170 | |
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171 memaddr |
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172 Scheduler::mail_read() |
| 109 | 173 { |
| 174 return connector->mail_read(); | |
| 175 } | |
| 176 | |
| 177 | |
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178 |
| 386 | 179 /* |
| 180 ここから下は、memory 以下にあるべき | |
| 181 */ | |
| 182 | |
| 109 | 183 void* |
| 184 Scheduler::global_alloc(int id, int size) | |
| 185 { | |
| 792 | 186 |
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187 globalList[id] = manager->allocate(size); |
| 792 | 188 |
| 109 | 189 return globalList[id]; |
| 190 } | |
| 191 | |
| 192 void* | |
| 193 Scheduler::global_get(int id) | |
| 194 { | |
| 195 return globalList[id]; | |
| 196 } | |
| 197 | |
| 198 void | |
| 373 | 199 Scheduler::global_set(int id, void *addr) |
| 200 { | |
| 201 globalList[id] = addr; | |
| 202 } | |
| 203 | |
| 204 void | |
| 109 | 205 Scheduler::global_free(int id) |
| 206 { | |
| 207 free(globalList[id]); | |
| 208 globalList[id] = NULL; | |
| 209 } | |
| 210 | |
| 211 /** | |
| 298 | 212 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
| 213 * これは Fifo, Cell で共通 | |
| 109 | 214 */ |
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215 memaddr |
| 109 | 216 Scheduler::mainMem_get(int id) |
| 217 { | |
| 218 return mainMemList[id]; | |
| 42 | 219 } |
| 220 | |
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221 /** |
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222 * Task load API |
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223 */ |
| 425 | 224 void |
| 872 | 225 Scheduler::allocate_code_segment(int size, int count, struct tbl *table) |
| 425 | 226 { |
| 437 | 227 // 既に overlay 領域があるので、それを追加する必要がある... |
| 442 | 228 code_segment_pool = createMemList(size, count); |
| 872 | 229 if (table) { |
| 230 MemorySegment* here = (MemorySegment*)( | |
| 231 manager->allocate(sizeof(MemorySegment))); | |
| 232 here->data = (void*)(table->vma); | |
| 233 here->size = size; | |
| 234 here->address = (memaddr)here; | |
| 235 code_segment_pool->addLast(here); | |
| 236 } | |
| 425 | 237 } |
| 42 | 238 |
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239 static void |
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240 load_task(Scheduler *m, int task_id) |
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241 { |
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242 MemorySegment *s = m->get_segment( |
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243 task_list[task_id].location, |
| 437 | 244 m->code_segment_pool, |
| 245 task_list[task_id].end-task_list[task_id].location); | |
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246 task_list[task_id].segment = s; |
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247 // calcurate call address |
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248 TaskObjectRun run = |
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249 (TaskObjectRun)( |
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250 (char*)task_list[task_id].segment->data + |
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251 task_list[task_id].entry_offset); |
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252 task_list[task_id].run = run; |
| 874 | 253 #if 0 |
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254 m->printf("loadng task id %d at 0x%x entry 0x%x location 0x%x\n",task_id, |
| 461 | 255 (unsigned int)(task_list[task_id].segment->data ), |
| 256 (unsigned int)( | |
| 257 (char*)task_list[task_id].segment->data + | |
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258 task_list[task_id].entry_offset), |
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259 task_list[task_id].location); |
| 506 | 260 #endif |
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261 } |
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262 |
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263 static void |
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264 null_loader(Scheduler *m, int task_id) |
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265 { |
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266 } |
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267 |
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268 static void |
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269 wait_load(Scheduler *m, int task_id) |
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270 { |
| 523 | 271 #if 0 |
| 442 | 272 MemorySegment *s = task_list[task_id].segment; |
| 273 if (s) | |
| 736 | 274 m->printf("wait load task id %d 0x%x\n",task_id,(int)s->data); |
| 442 | 275 else |
| 736 | 276 m->printf("wait load task id %d 000000\n",task_id); |
| 506 | 277 #endif |
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278 // wait for code segment load |
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279 m->wait_segment(task_list[task_id].segment); |
| 506 | 280 #if 0 |
| 736 | 281 m->printf("wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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282 (unsigned int)(task_list[task_id].run), |
| 439 | 283 task_list[task_id].entry_offset); |
| 506 | 284 #endif |
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285 } |
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286 |
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287 static void |
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288 null_waiter(Scheduler *m, int task_id) |
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289 { |
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290 } |
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291 |
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292 extern void |
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293 register_task(int cmd, TaskObjectRun run) |
| 42 | 294 { |
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295 task_list[cmd].run = run; |
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296 task_list[cmd].load = null_loader; |
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297 task_list[cmd].wait = null_waiter; |
| 42 | 298 } |
| 373 | 299 |
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300 extern void |
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301 register_dynamic_task(int cmd, |
| 441 | 302 memaddr start, int size, |
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303 TaskObjectRun run, int entry_offset) |
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304 { |
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305 task_list[cmd].run = run; |
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306 task_list[cmd].location = start; |
| 442 | 307 size &= 0xfffffffe; |
| 441 | 308 task_list[cmd].end = start+size; |
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309 task_list[cmd].entry_offset = entry_offset; |
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310 task_list[cmd].load = load_task; |
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311 task_list[cmd].wait = wait_load; |
| 506 | 312 #if 0 |
| 736 | 313 this->printf("cmd = %d\n",cmd); |
| 314 this->printf("locatation = 0x%x\n",start); | |
| 315 this->printf("end = 0x%x\n",start+size); | |
| 316 this->printf("size = 0x%x\n",size); | |
| 317 this->printf("entry = 0x%x\n",entry_offset); | |
| 506 | 318 #endif |
| 439 | 319 |
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320 } |
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321 |
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322 |
| 373 | 323 /*! |
| 386 | 324 |
| 325 size 単位のMemory Segment を count 個作る | |
| 326 | |
| 373 | 327 @param [size] リストの要素１つのサイズ |
| 328 @param [count] 要素数 | |
| 329 @return allocate した領域のポインタ | |
| 330 | |
| 331 */ | |
| 332 MemList* | |
| 333 Scheduler::createMemList(int size, int count) | |
| 334 { | |
| 335 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
| 336 uint32 seg_size = round_up16(head_size+size); | |
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337 char* mseg = (char*)manager->allocate(seg_size*count); |
| 373 | 338 MemList* mlist = new MemList((MemorySegment*)mseg); |
| 339 | |
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388
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340 if (!hash) { |
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341 hash = new MemHash(); |
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342 } |
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343 |
| 373 | 344 for(int i = 0; i < count; i++) { |
| 345 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
| 346 char* data = (char*)next+head_size; | |
| 347 next->data = (void*)data; | |
| 386 | 348 next->size = size; |
| 395 | 349 next->address = (memaddr)next; |
| 373 | 350 mlist->addLast(next); |
| 351 } | |
| 352 | |
| 353 return mlist; | |
| 354 } | |
| 386 | 355 |
| 356 /*! | |
| 357 | |
| 358 Main Memory のSegmentを取得する | |
| 359 | |
| 360 @param [addr] Main Memory のアドレス | |
| 361 @param [m] Mem List | |
| 362 @return allocate した領域のポインタ | |
| 363 memory directory にあるべきだが... | |
| 364 | |
| 365 */ | |
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366 MemorySegment * |
| 386 | 367 Scheduler::get_segment(memaddr addr, MemList *m) |
| 368 { | |
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369 MemorySegment *s = m->getFirst(); |
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370 return get_segment(addr, m, s->size); |
| 437 | 371 } |
| 372 | |
| 373 MemorySegment * | |
| 374 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
| 375 { | |
| 376 // memory segment のsizeをoverride する場合がある | |
| 386 | 377 MemorySegment *s = hash->get(addr); |
| 378 if (s) { | |
| 379 /* 既に load されている */ | |
| 736 | 380 // this->printf("get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
| 391 | 381 m->moveToFirst(s); |
| 386 | 382 return s; |
| 383 } | |
| 384 | |
| 385 /* LRU なので、もっとも使われてない segment を上書きする */ | |
| 386 s = m->getLast(); | |
| 387 m->moveToFirst(s); | |
| 388 | |
| 389 memaddr old_addr = s->address; | |
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390 s->tag = get_tag(); |
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391 dma_load(s->data, addr, |
| 437 | 392 size, s->tag); |
| 386 | 393 /* 前のをhashから削除 */ |
| 394 hash->remove(old_addr); | |
| 395 /* 新しいaddress を登録 */ | |
| 396 s->address = addr; | |
| 397 hash->put(s->address, s); | |
| 398 | |
| 736 | 399 // this->printf("get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
| 439 | 400 |
| 386 | 401 return s; |
| 402 } | |
| 403 | |
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404 |
| 386 | 405 uint32 |
| 406 Scheduler::get_tag() | |
| 407 { | |
| 458 | 408 static int tag = 16; |
| 409 tag ++; | |
| 410 tag &= 0x0f; | |
| 411 return tag+16; | |
| 386 | 412 } |
| 413 | |
| 414 /*! | |
| 415 | |
| 416 Main Memory のSegmentを書き出す | |
| 417 Segment は get_segement されていて、 | |
| 418 追い出されていてはいけない。 | |
| 419 それを保証するのは難しい? | |
| 420 | |
| 421 @param [addr] Main Memory のアドレス | |
| 422 @param [m] Mem List | |
| 423 @return allocate した領域のポインタ | |
| 424 | |
| 425 */ | |
| 426 void | |
| 427 Scheduler::put_segment(MemorySegment *s) | |
| 428 { | |
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429 dma_store(s->data, s->address, |
| 386 | 430 s->size, s->tag); |
| 431 } | |
| 432 | |
| 433 /*! | |
| 434 | |
| 435 Main Memory のSegmentを読込、書き出しを待つ | |
| 436 | |
| 437 @param [id] MemorySegment のid | |
| 438 | |
| 439 */ | |
| 440 void | |
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441 Scheduler::wait_segment(MemorySegment *s) |
| 386 | 442 { |
| 391 | 443 // 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? |
| 444 | |
| 445 if (s->tag) dma_wait(s->tag); | |
| 446 s->tag = 0; | |
| 386 | 447 } |
| 448 | |
| 621 | 449 long Scheduler::get_random() { |
| 450 #if defined(__SPU__) | |
| 451 return 0; | |
| 452 #else | |
| 453 return random(); | |
| 454 #endif | |
| 455 | |
| 456 } | |
| 457 | |
| 736 | 458 int |
| 459 Scheduler::printf(const char * format, ...) | |
| 460 { | |
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461 #if !defined(__SPU__) || 1 |
| 736 | 462 va_list ap; |
| 463 va_start(ap,format); | |
| 742 | 464 int ret= vprintf0(format, ap); |
| 736 | 465 va_end(ap); |
| 466 return ret; | |
| 467 #else | |
| 468 return 0; | |
| 469 #endif | |
| 470 } | |
| 471 | |
| 472 | |
| 473 int | |
| 742 | 474 Scheduler::vprintf0(const char * format, va_list ap) |
| 736 | 475 { |
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476 #if !defined(__SPU__) || 1 |
| 736 | 477 int ret= vprintf(format, ap); |
| 478 return ret; | |
| 479 #else | |
| 480 return 0; | |
| 481 #endif | |
| 482 } | |
| 483 | |
| 484 | |
| 386 | 485 /* end */ |