Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 619:0decff4e867b
RenewTask removal
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 15 Nov 2009 02:02:30 +0900 |
| parents | 42c94f85c779 |
| children | 5b178db5988a |
| rev | line source |
|---|---|
| 48 | 1 #include <stdio.h> |
| 50 | 2 #include <stdlib.h> |
| 42 | 3 #include "Scheduler.h" |
| 4 #include "SchedNop.h" | |
| 5 #include "error.h" | |
| 386 | 6 #include <assert.h> |
| 42 | 7 |
|
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8 /* |
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9 * Edit kernel/schedule/xx.cc, Cell/spe/xx.cc will be over writen by this. |
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10 * Do not edit Cell/spe/xx.cc unless there is no kernel/schedule/xx.cc files. |
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11 */ |
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12 |
| 109 | 13 Scheduler::TaskObject task_list[MAX_TASK_OBJECT]; |
| 14 | |
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15 Scheduler::~Scheduler() |
| 109 | 16 { |
| 17 delete connector; | |
| 18 } | |
| 19 | |
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20 /*! @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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21 */ |
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22 |
| 42 | 23 void |
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24 Scheduler::init() |
| 42 | 25 { |
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26 hash = 0; |
| 42 | 27 init_impl(); |
| 109 | 28 |
| 29 for (int i = 0; i < 2; i++) { | |
| 373 | 30 buff_taskList[i] = (TaskListPtr)allocate(sizeof(TaskList)); |
| 109 | 31 } |
| 373 | 32 |
| 109 | 33 buffFlag_taskList = 0; |
| 34 | |
| 298 | 35 // bzero でもいいけど |
| 109 | 36 for (int i = 0; i < MAX_GLOBAL_AREA; i++) { |
| 373 | 37 globalList[i] = NULL; |
| 109 | 38 } |
| 39 | |
| 40 for (int i = 0; i < MAX_MAINMEM_AREA; i++) { | |
| 373 | 41 mainMemList[i] = NULL; |
| 109 | 42 } |
| 373 | 43 |
| 109 | 44 |
| 42 | 45 } |
| 46 | |
| 47 void | |
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48 Scheduler::run() |
| 42 | 49 { |
| 50 task1 = new SchedNop(); | |
| 51 task2 = new SchedNop(); | |
| 52 task3 = new SchedNop(); | |
| 53 | |
| 54 // main loop | |
| 55 do { | |
| 373 | 56 __debug("----------\n"); |
| 57 task3->write(); | |
| 58 task2->exec(); | |
| 59 task1->read(); | |
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60 delete task3; |
| 42 | 61 |
| 373 | 62 task3 = task2; |
| 63 task2 = task1; | |
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64 task1 = task1->next(this, 0); |
| 42 | 65 } while (task1); |
| 66 | |
| 67 delete task3; | |
| 68 delete task2; | |
| 50 | 69 } |
| 48 | 70 |
| 50 | 71 |
| 72 void | |
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73 Scheduler::finish() |
| 50 | 74 { |
| 109 | 75 free(buff_taskList[0]); |
| 76 free(buff_taskList[1]); | |
| 42 | 77 } |
| 78 | |
| 109 | 79 /** |
| 298 | 80 * あらかじめ memory allocte してある TaskList の領域を |
| 81 * パイプラインの各処理が交代して使う。 | |
| 109 | 82 */ |
| 42 | 83 TaskListPtr |
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84 Scheduler::get_curListBuf() |
| 42 | 85 { |
| 109 | 86 buffFlag_taskList ^= 1; |
| 87 | |
| 88 return buff_taskList[buffFlag_taskList]; | |
| 89 } | |
| 90 | |
| 91 | |
| 92 void | |
| 93 Scheduler::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask) | |
| 94 { | |
| 95 connector->dma_load(buf, addr, size, mask); | |
| 96 } | |
| 97 | |
| 98 void | |
| 99 Scheduler::dma_store(void *buf, uint32 addr, uint32 size, uint32 mask) | |
| 100 { | |
| 101 connector->dma_store(buf, addr, size, mask); | |
| 102 } | |
| 103 | |
| 104 void | |
| 105 Scheduler::dma_wait(uint32 mask) | |
| 106 { | |
| 107 connector->dma_wait(mask); | |
| 108 } | |
| 109 | |
| 110 void | |
| 111 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) | |
| 112 { | |
| 113 connector->dma_loadList(list, buff, mask); | |
| 42 | 114 } |
| 115 | |
| 116 | |
| 109 | 117 void |
| 118 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
| 119 { | |
| 120 return connector->dma_storeList(list, buff, mask); | |
| 121 } | |
| 122 | |
| 123 void | |
| 124 Scheduler::mail_write(uint32 data) | |
| 125 { | |
| 126 connector->mail_write(data); | |
| 127 } | |
| 128 | |
| 129 uint32 | |
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130 Scheduler::mail_read() |
| 109 | 131 { |
| 132 return connector->mail_read(); | |
| 133 } | |
| 134 | |
| 135 | |
| 386 | 136 /* |
| 137 ここから下は、memory 以下にあるべき | |
| 138 */ | |
| 139 | |
| 109 | 140 void* |
| 141 Scheduler::global_alloc(int id, int size) | |
| 142 { | |
| 143 globalList[id] = allocate(size); | |
| 144 return globalList[id]; | |
| 145 } | |
| 146 | |
| 147 void* | |
| 148 Scheduler::global_get(int id) | |
| 149 { | |
| 150 return globalList[id]; | |
| 151 } | |
| 152 | |
| 153 void | |
| 373 | 154 Scheduler::global_set(int id, void *addr) |
| 155 { | |
| 156 globalList[id] = addr; | |
| 157 } | |
| 158 | |
| 159 void | |
| 109 | 160 Scheduler::global_free(int id) |
| 161 { | |
| 162 free(globalList[id]); | |
| 163 globalList[id] = NULL; | |
| 164 } | |
| 165 | |
| 166 /** | |
| 298 | 167 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
| 168 * これは Fifo, Cell で共通 | |
| 109 | 169 */ |
| 170 void* | |
| 171 Scheduler::mainMem_get(int id) | |
| 172 { | |
| 173 return mainMemList[id]; | |
| 42 | 174 } |
| 175 | |
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176 /** |
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177 * Task load API |
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178 */ |
| 425 | 179 void |
| 442 | 180 Scheduler::allocate_code_segment(int size, int count) |
| 425 | 181 { |
| 437 | 182 // 既に overlay 領域があるので、それを追加する必要がある... |
| 442 | 183 code_segment_pool = createMemList(size, count); |
| 425 | 184 } |
| 42 | 185 |
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186 static void |
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187 load_task(Scheduler *m, int task_id) |
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188 { |
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189 MemorySegment *s = m->get_segment( |
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190 task_list[task_id].location, |
| 437 | 191 m->code_segment_pool, |
| 192 task_list[task_id].end-task_list[task_id].location); | |
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193 task_list[task_id].segment = s; |
| 506 | 194 #if 0 |
| 461 | 195 fprintf(stderr,"loadng task id %d at 0x%x entry 0x%x\n",task_id, |
| 196 (unsigned int)(task_list[task_id].segment->data ), | |
| 197 (unsigned int)( | |
| 198 (char*)task_list[task_id].segment->data + | |
| 199 task_list[task_id].entry_offset)); | |
| 506 | 200 #endif |
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201 } |
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202 |
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203 static void |
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204 null_loader(Scheduler *m, int task_id) |
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205 { |
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206 } |
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207 |
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208 static void |
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209 wait_load(Scheduler *m, int task_id) |
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210 { |
| 523 | 211 #if 0 |
| 442 | 212 MemorySegment *s = task_list[task_id].segment; |
| 213 if (s) | |
| 214 fprintf(stderr,"wait load task id %d 0x%x\n",task_id,(int)s->data); | |
| 215 else | |
| 216 fprintf(stderr,"wait load task id %d 000000\n",task_id); | |
| 506 | 217 #endif |
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218 // wait for code segment load |
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219 m->wait_segment(task_list[task_id].segment); |
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220 // calcurate call address |
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221 TaskObjectRun run = |
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222 (TaskObjectRun)( |
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223 (char*)task_list[task_id].segment->data + |
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224 task_list[task_id].entry_offset); |
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225 task_list[task_id].run = run; |
| 506 | 226 #if 0 |
| 439 | 227 fprintf(stderr,"wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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228 (unsigned int)run, |
| 439 | 229 task_list[task_id].entry_offset); |
| 506 | 230 #endif |
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231 } |
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232 |
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233 static void |
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234 null_waiter(Scheduler *m, int task_id) |
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235 { |
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236 } |
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237 |
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238 extern void |
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239 register_task(int cmd, TaskObjectRun run) |
| 42 | 240 { |
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241 task_list[cmd].run = run; |
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242 task_list[cmd].load = null_loader; |
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243 task_list[cmd].wait = null_waiter; |
| 42 | 244 } |
| 373 | 245 |
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246 extern void |
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247 register_dynamic_task(int cmd, |
| 441 | 248 memaddr start, int size, |
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249 TaskObjectRun run, int entry_offset) |
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250 { |
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251 task_list[cmd].run = run; |
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252 task_list[cmd].location = start; |
| 442 | 253 size &= 0xfffffffe; |
| 441 | 254 task_list[cmd].end = start+size; |
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255 task_list[cmd].entry_offset = entry_offset; |
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256 task_list[cmd].load = load_task; |
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257 task_list[cmd].wait = wait_load; |
| 506 | 258 #if 0 |
| 439 | 259 fprintf(stderr,"cmd = %d\n",cmd); |
| 441 | 260 fprintf(stderr,"locatation = 0x%x\n",start); |
| 261 fprintf(stderr,"end = 0x%x\n",start+size); | |
| 262 fprintf(stderr,"size = 0x%x\n",size); | |
| 439 | 263 fprintf(stderr,"entry = 0x%x\n",entry_offset); |
| 506 | 264 #endif |
| 439 | 265 |
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266 } |
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267 |
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268 |
| 373 | 269 /*! |
| 386 | 270 |
| 271 size 単位のMemory Segment を count 個作る | |
| 272 | |
| 373 | 273 @param [size] リストの要素１つのサイズ |
| 274 @param [count] 要素数 | |
| 275 @return allocate した領域のポインタ | |
| 276 | |
| 277 */ | |
| 278 MemList* | |
| 279 Scheduler::createMemList(int size, int count) | |
| 280 { | |
| 281 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
| 282 uint32 seg_size = round_up16(head_size+size); | |
| 283 char* mseg = (char*)allocate(seg_size*count); | |
| 284 MemList* mlist = new MemList((MemorySegment*)mseg); | |
| 285 | |
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286 if (!hash) { |
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287 hash = new MemHash(); |
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288 } |
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289 |
| 373 | 290 for(int i = 0; i < count; i++) { |
| 291 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
| 292 char* data = (char*)next+head_size; | |
| 293 next->data = (void*)data; | |
| 386 | 294 next->size = size; |
| 395 | 295 next->address = (memaddr)next; |
| 373 | 296 mlist->addLast(next); |
| 297 } | |
| 298 | |
| 299 return mlist; | |
| 300 } | |
| 386 | 301 |
| 302 /*! | |
| 303 | |
| 304 Main Memory のSegmentを取得する | |
| 305 | |
| 306 @param [addr] Main Memory のアドレス | |
| 307 @param [m] Mem List | |
| 308 @return allocate した領域のポインタ | |
| 309 memory directory にあるべきだが... | |
| 310 | |
| 311 */ | |
|
387
5e2d30bfbf23
no compile error but not worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
386
diff
changeset
|
312 MemorySegment * |
| 386 | 313 Scheduler::get_segment(memaddr addr, MemList *m) |
| 314 { | |
|
449
4f11245e3504
get_segment fixed. and test_nogl rollback to 426. move!
kazz@henri.cr.ie.u-ryukyu.ac.jp
parents:
442
diff
changeset
|
315 MemorySegment *s = m->getFirst(); |
|
4f11245e3504
get_segment fixed. and test_nogl rollback to 426. move!
kazz@henri.cr.ie.u-ryukyu.ac.jp
parents:
442
diff
changeset
|
316 return get_segment(addr, m, s->size); |
| 437 | 317 } |
| 318 | |
| 319 MemorySegment * | |
| 320 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
| 321 { | |
| 322 // memory segment のsizeをoverride する場合がある | |
| 386 | 323 MemorySegment *s = hash->get(addr); |
| 324 if (s) { | |
| 325 /* 既に load されている */ | |
| 439 | 326 // fprintf(stderr,"get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
| 391 | 327 m->moveToFirst(s); |
| 386 | 328 return s; |
| 329 } | |
| 330 | |
| 331 /* LRU なので、もっとも使われてない segment を上書きする */ | |
| 332 s = m->getLast(); | |
| 333 m->moveToFirst(s); | |
| 334 | |
| 335 memaddr old_addr = s->address; | |
|
387
5e2d30bfbf23
no compile error but not worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
386
diff
changeset
|
336 s->tag = get_tag(); |
|
5e2d30bfbf23
no compile error but not worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
386
diff
changeset
|
337 dma_load(s->data, addr, |
| 437 | 338 size, s->tag); |
| 386 | 339 /* 前のをhashから削除 */ |
| 340 hash->remove(old_addr); | |
| 341 /* 新しいaddress を登録 */ | |
| 342 s->address = addr; | |
| 343 hash->put(s->address, s); | |
| 344 | |
| 439 | 345 // fprintf(stderr,"get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
| 346 | |
| 386 | 347 return s; |
| 348 } | |
| 349 | |
|
421
cd77224d4224
Code load implementation... (not yet tested)
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
403
diff
changeset
|
350 |
| 386 | 351 uint32 |
| 352 Scheduler::get_tag() | |
| 353 { | |
| 458 | 354 static int tag = 16; |
| 355 tag ++; | |
| 356 tag &= 0x0f; | |
| 357 return tag+16; | |
| 386 | 358 } |
| 359 | |
| 360 /*! | |
| 361 | |
| 362 Main Memory のSegmentを書き出す | |
| 363 Segment は get_segement されていて、 | |
| 364 追い出されていてはいけない。 | |
| 365 それを保証するのは難しい? | |
| 366 | |
| 367 @param [addr] Main Memory のアドレス | |
| 368 @param [m] Mem List | |
| 369 @return allocate した領域のポインタ | |
| 370 | |
| 371 */ | |
| 372 void | |
| 373 Scheduler::put_segment(MemorySegment *s) | |
| 374 { | |
|
387
5e2d30bfbf23
no compile error but not worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
386
diff
changeset
|
375 dma_store(s->data, s->address, |
| 386 | 376 s->size, s->tag); |
| 377 } | |
| 378 | |
| 379 /*! | |
| 380 | |
| 381 Main Memory のSegmentを読込、書き出しを待つ | |
| 382 | |
| 383 @param [id] MemorySegment のid | |
| 384 | |
| 385 */ | |
| 386 void | |
|
387
5e2d30bfbf23
no compile error but not worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
386
diff
changeset
|
387 Scheduler::wait_segment(MemorySegment *s) |
| 386 | 388 { |
| 391 | 389 // 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? |
| 390 | |
| 391 if (s->tag) dma_wait(s->tag); | |
| 392 s->tag = 0; | |
| 386 | 393 } |
| 394 | |
| 395 /* end */ |