Mercurial > hg > Game > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 1229:424c1f16e704 draft
add args useRefDma
| author | Daichi TOMA <e085740@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 24 Aug 2011 07:45:27 +0900 |
| parents | a49c02dffe6f |
| children | 6b4a0846afcb |
| rev | line source |
|---|---|
|
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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 |
| 1147 | 19 #ifndef NOT_CHECK |
| 20 int entry_cmd[MAX_TASK_OBJECT]; | |
| 21 int task_count = 0; | |
| 22 #endif | |
| 23 | |
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24 Scheduler::~Scheduler() |
| 109 | 25 { |
| 26 delete connector; | |
| 27 } | |
| 28 | |
| 664 | 29 static int |
| 30 null_run(SchedTask* smanager, void* r, void *w) | |
| 31 { | |
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32 smanager->printf("Calling Undefined Task %d\n", smanager->task->command==TaskArray1? smanager->atask->command: smanager->task->command); |
| 664 | 33 return 0; |
| 34 } | |
| 35 | |
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36 static void null_loader(Scheduler *m, int task_id); |
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37 |
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38 /*! @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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39 */ |
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40 |
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add args useRefDma
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41 //useRefDmaは、0という初期値が設定されている。 |
| 42 | 42 void |
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43 Scheduler::init(TaskManagerImpl *m, int useRefDma) |
| 42 | 44 { |
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45 hash = 0; |
| 664 | 46 |
| 1147 | 47 #ifndef NOT_CHECK |
| 48 task_count = 0; | |
| 49 #endif | |
| 50 | |
| 664 | 51 for (int i = 0; i< MAX_TASK_OBJECT; i++) { |
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52 task_list[i].run = null_run; |
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53 task_list[i].load = null_loader; |
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54 task_list[i].wait = null_loader; |
| 1147 | 55 |
| 56 #ifndef NOT_CHECK | |
| 57 entry_cmd[i] = NULL; | |
| 58 #endif | |
| 59 | |
| 664 | 60 } |
| 61 | |
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62 set_manager(m); |
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63 init_impl(useRefDma); |
| 109 | 64 |
| 65 for (int i = 0; i < 2; i++) { | |
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66 buff_taskList[i] = (TaskListPtr)m->allocate(sizeof(TaskList)); |
| 109 | 67 } |
| 373 | 68 |
| 109 | 69 buffFlag_taskList = 0; |
| 70 | |
| 298 | 71 // bzero でもいいけど |
| 109 | 72 for (int i = 0; i < MAX_GLOBAL_AREA; i++) { |
| 373 | 73 globalList[i] = NULL; |
| 109 | 74 } |
| 75 | |
| 76 for (int i = 0; i < MAX_MAINMEM_AREA; i++) { | |
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77 mainMemList[i] = (memaddr)NULL; |
| 109 | 78 } |
| 373 | 79 |
| 42 | 80 } |
| 81 | |
| 82 void | |
| 690 | 83 Scheduler::run(SchedTaskBase* task1) |
| 42 | 84 { |
| 690 | 85 |
| 86 // Pipeline Stage | |
| 87 SchedTaskBase* task2 = new SchedNop(); | |
| 88 SchedTaskBase* task3 = new SchedNop(); | |
| 42 | 89 // main loop |
| 90 do { | |
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91 |
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92 task1->read(); |
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93 task2->exec(); |
| 1015 | 94 task3->write(); |
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95 |
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96 delete task3; |
| 42 | 97 |
| 373 | 98 task3 = task2; |
| 99 task2 = task1; | |
| 1015 | 100 //SchedMailの場合、Mailの待ちが入る |
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101 task1 = task1->next(this, 0); |
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102 |
| 42 | 103 } while (task1); |
| 104 | |
| 105 delete task3; | |
| 106 delete task2; | |
| 50 | 107 } |
| 48 | 108 |
| 50 | 109 |
| 110 void | |
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111 Scheduler::finish() |
| 50 | 112 { |
| 109 | 113 free(buff_taskList[0]); |
| 114 free(buff_taskList[1]); | |
| 42 | 115 } |
| 116 | |
| 109 | 117 /** |
| 298 | 118 * あらかじめ memory allocte してある TaskList の領域を |
| 119 * パイプラインの各処理が交代して使う。 | |
| 109 | 120 */ |
| 42 | 121 TaskListPtr |
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122 Scheduler::get_curListBuf() |
| 42 | 123 { |
| 109 | 124 buffFlag_taskList ^= 1; |
| 125 | |
| 126 return buff_taskList[buffFlag_taskList]; | |
| 127 } | |
| 128 | |
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129 |
| 386 | 130 /* |
| 131 ここから下は、memory 以下にあるべき | |
| 132 */ | |
| 133 | |
| 109 | 134 void* |
| 135 Scheduler::global_alloc(int id, int size) | |
| 136 { | |
| 792 | 137 |
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138 globalList[id] = manager->allocate(size); |
| 792 | 139 |
| 109 | 140 return globalList[id]; |
| 141 } | |
| 142 | |
| 143 void* | |
| 144 Scheduler::global_get(int id) | |
| 145 { | |
| 146 return globalList[id]; | |
| 147 } | |
| 148 | |
| 149 void | |
| 373 | 150 Scheduler::global_set(int id, void *addr) |
| 151 { | |
| 152 globalList[id] = addr; | |
| 153 } | |
| 154 | |
| 155 void | |
| 109 | 156 Scheduler::global_free(int id) |
| 157 { | |
| 158 free(globalList[id]); | |
| 159 globalList[id] = NULL; | |
| 160 } | |
| 161 | |
| 162 /** | |
| 298 | 163 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
| 164 * これは Fifo, Cell で共通 | |
| 109 | 165 */ |
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166 memaddr |
| 109 | 167 Scheduler::mainMem_get(int id) |
| 168 { | |
| 169 return mainMemList[id]; | |
| 42 | 170 } |
| 171 | |
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172 /** |
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173 * Task load API |
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174 */ |
| 425 | 175 void |
| 872 | 176 Scheduler::allocate_code_segment(int size, int count, struct tbl *table) |
| 425 | 177 { |
| 437 | 178 // 既に overlay 領域があるので、それを追加する必要がある... |
| 442 | 179 code_segment_pool = createMemList(size, count); |
| 872 | 180 if (table) { |
| 181 MemorySegment* here = (MemorySegment*)( | |
| 182 manager->allocate(sizeof(MemorySegment))); | |
| 183 here->data = (void*)(table->vma); | |
| 184 here->size = size; | |
| 185 here->address = (memaddr)here; | |
| 186 code_segment_pool->addLast(here); | |
| 187 } | |
| 425 | 188 } |
| 42 | 189 |
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190 static void |
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191 load_task(Scheduler *m, int task_id) |
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192 { |
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193 MemorySegment *s = m->get_segment( |
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194 task_list[task_id].location, |
| 437 | 195 m->code_segment_pool, |
| 196 task_list[task_id].end-task_list[task_id].location); | |
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197 task_list[task_id].segment = s; |
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198 // calcurate call address |
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199 TaskObjectRun run = |
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200 (TaskObjectRun)( |
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201 (char*)task_list[task_id].segment->data + |
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202 task_list[task_id].entry_offset); |
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203 task_list[task_id].run = run; |
| 874 | 204 #if 0 |
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205 m->printf("loadng task id %d at 0x%x entry 0x%x location 0x%x\n",task_id, |
| 461 | 206 (unsigned int)(task_list[task_id].segment->data ), |
| 207 (unsigned int)( | |
| 208 (char*)task_list[task_id].segment->data + | |
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209 task_list[task_id].entry_offset), |
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210 task_list[task_id].location); |
| 538 | 211 #endif |
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212 } |
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213 |
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214 static void |
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215 null_loader(Scheduler *m, int task_id) |
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216 { |
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217 } |
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218 |
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219 static void |
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220 wait_load(Scheduler *m, int task_id) |
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221 { |
| 555 | 222 #if 0 |
| 442 | 223 MemorySegment *s = task_list[task_id].segment; |
| 224 if (s) | |
| 736 | 225 m->printf("wait load task id %d 0x%x\n",task_id,(int)s->data); |
| 442 | 226 else |
| 736 | 227 m->printf("wait load task id %d 000000\n",task_id); |
| 538 | 228 #endif |
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229 // wait for code segment load |
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230 m->wait_segment(task_list[task_id].segment); |
| 538 | 231 #if 0 |
| 736 | 232 m->printf("wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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233 (unsigned int)(task_list[task_id].run), |
| 439 | 234 task_list[task_id].entry_offset); |
| 538 | 235 #endif |
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236 } |
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237 |
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238 static void |
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239 null_waiter(Scheduler *m, int task_id) |
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240 { |
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241 } |
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242 |
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243 extern void |
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244 register_task(int cmd, TaskObjectRun run, const char *str) |
| 42 | 245 { |
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246 task_list[cmd].run = run; |
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247 task_list[cmd].load = null_loader; |
|
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248 task_list[cmd].wait = null_waiter; |
| 1147 | 249 task_list[cmd].name = str; |
| 250 | |
| 251 #ifndef NOT_CHECK | |
| 252 entry_cmd[task_count++] = cmd; | |
| 253 #endif | |
| 254 | |
| 42 | 255 } |
| 373 | 256 |
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257 extern void |
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258 register_dynamic_task(int cmd, |
| 441 | 259 memaddr start, int size, |
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260 TaskObjectRun run, int entry_offset, |
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261 const char *str) |
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262 { |
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263 task_list[cmd].run = run; |
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264 task_list[cmd].location = start; |
| 442 | 265 size &= 0xfffffffe; |
| 441 | 266 task_list[cmd].end = start+size; |
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267 task_list[cmd].entry_offset = entry_offset; |
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268 task_list[cmd].load = load_task; |
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269 task_list[cmd].wait = wait_load; |
| 1147 | 270 task_list[cmd].name = str; |
| 271 | |
| 272 #ifndef NOT_CHECK | |
| 273 entry_cmd[task_count++] = cmd; | |
| 274 #endif | |
| 275 | |
| 538 | 276 #if 0 |
| 736 | 277 this->printf("cmd = %d\n",cmd); |
| 278 this->printf("locatation = 0x%x\n",start); | |
| 279 this->printf("end = 0x%x\n",start+size); | |
| 280 this->printf("size = 0x%x\n",size); | |
| 281 this->printf("entry = 0x%x\n",entry_offset); | |
| 538 | 282 #endif |
| 439 | 283 |
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284 } |
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285 |
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286 |
| 373 | 287 /*! |
| 386 | 288 |
| 289 size 単位のMemory Segment を count 個作る | |
| 290 | |
| 373 | 291 @param [size] リストの要素１つのサイズ |
| 292 @param [count] 要素数 | |
| 293 @return allocate した領域のポインタ | |
| 294 | |
| 295 */ | |
| 296 MemList* | |
| 297 Scheduler::createMemList(int size, int count) | |
| 298 { | |
| 299 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
| 300 uint32 seg_size = round_up16(head_size+size); | |
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301 char* mseg = (char*)manager->allocate(seg_size*count); |
| 373 | 302 MemList* mlist = new MemList((MemorySegment*)mseg); |
| 303 | |
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304 if (!hash) { |
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305 hash = new MemHash(); |
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306 } |
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307 |
| 373 | 308 for(int i = 0; i < count; i++) { |
| 309 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
| 310 char* data = (char*)next+head_size; | |
| 311 next->data = (void*)data; | |
| 386 | 312 next->size = size; |
| 395 | 313 next->address = (memaddr)next; |
| 373 | 314 mlist->addLast(next); |
| 315 } | |
| 316 | |
| 317 return mlist; | |
| 318 } | |
| 386 | 319 |
| 320 /*! | |
| 321 | |
| 322 Main Memory のSegmentを取得する | |
| 323 | |
| 324 @param [addr] Main Memory のアドレス | |
| 325 @param [m] Mem List | |
| 326 @return allocate した領域のポインタ | |
| 327 memory directory にあるべきだが... | |
| 328 | |
| 329 */ | |
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330 MemorySegment * |
| 386 | 331 Scheduler::get_segment(memaddr addr, MemList *m) |
| 332 { | |
| 1154 | 333 |
| 334 #ifdef USE_CACHE | |
| 335 | |
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336 MemorySegment *s = m->getFirst(); |
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337 return get_segment(addr, m, s->size); |
| 1154 | 338 |
| 339 #else | |
| 340 | |
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341 //addr が空だった場合はどうなるか |
| 1162 | 342 //こうすると単純にFIFOか |
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343 |
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344 MemorySegment *s = m->getLast(); |
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345 m->moveToFirst(s); |
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346 s->tag = connector->get_tag(); |
| 1163 | 347 s->address = addr; |
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348 s->data = connector->dma_load(0, s->data, addr, s->size, s->tag); |
| 1154 | 349 |
| 350 return s; | |
| 351 | |
| 352 #endif | |
| 353 | |
| 437 | 354 } |
| 355 | |
| 1173 | 356 /*! |
| 357 | |
| 358 free な Segmentを取得する(SPEのLSから) | |
| 359 書き込み専用の場合、dma_loadは必要ないので | |
| 360 こういう感じになるのかな. | |
| 361 | |
| 362 @param [addr] Main Memory のアドレス | |
| 363 @param [m] Mem List | |
| 364 @return allocate した領域のポインタ | |
| 365 memory directory にあるべきだが... | |
| 366 | |
| 367 */ | |
| 368 | |
| 369 MemorySegment * | |
| 370 Scheduler::get_free_segment(memaddr addr, MemList *m) | |
| 371 { | |
| 372 | |
| 373 | |
| 374 if(addr == NULL) { | |
| 375 return NULL; | |
| 376 } | |
| 377 | |
| 378 MemorySegment *s = m->getLast(); | |
| 379 m->moveToFirst(s); | |
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380 s->tag = connector->get_tag(); |
| 1173 | 381 s->address = addr; |
| 382 | |
| 383 return s; | |
| 384 | |
| 385 } | |
| 386 | |
| 1175 | 387 /*! |
| 388 | |
| 389 指定した MemorySegment を上書きする | |
| 390 | |
| 391 @param [s] 上書きするMemorySegment | |
| 392 @param [addr] 上書きするdataへのアドレス | |
| 393 | |
| 394 */ | |
| 395 | |
| 396 void | |
| 397 Scheduler::overwrite_segment(MemorySegment *s, memaddr addr) | |
| 398 { | |
| 399 | |
| 400 if(addr == NULL) { | |
| 401 return; | |
| 402 } | |
| 403 | |
| 404 s->address = addr; | |
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405 s->data = connector->dma_load(0, s->data, addr, s->size, s->tag); |
| 1175 | 406 |
| 407 } | |
| 408 | |
| 1173 | 409 |
| 437 | 410 MemorySegment * |
| 411 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
| 412 { | |
| 1124 | 413 |
| 437 | 414 // memory segment のsizeをoverride する場合がある |
| 386 | 415 MemorySegment *s = hash->get(addr); |
| 1123 | 416 |
| 386 | 417 if (s) { |
| 1124 | 418 |
| 386 | 419 /* 既に load されている */ |
| 736 | 420 // this->printf("get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
| 391 | 421 m->moveToFirst(s); |
| 386 | 422 return s; |
| 423 } | |
| 1154 | 424 |
| 1121 | 425 |
| 386 | 426 /* LRU なので、もっとも使われてない segment を上書きする */ |
| 427 s = m->getLast(); | |
| 428 m->moveToFirst(s); | |
| 429 | |
| 430 memaddr old_addr = s->address; | |
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431 s->tag = connector->get_tag(); |
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432 s->data = connector->dma_load(0, s->data, addr, size, s->tag); |
| 386 | 433 /* 前のをhashから削除 */ |
| 434 hash->remove(old_addr); | |
| 435 /* 新しいaddress を登録 */ | |
| 436 s->address = addr; | |
| 437 hash->put(s->address, s); | |
| 438 | |
| 736 | 439 // this->printf("get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
| 439 | 440 |
| 386 | 441 return s; |
| 442 } | |
| 443 | |
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444 |
| 1173 | 445 |
| 386 | 446 /*! |
| 447 | |
| 448 Main Memory のSegmentを書き出す | |
| 449 Segment は get_segement されていて、 | |
| 450 追い出されていてはいけない。 | |
| 451 それを保証するのは難しい? | |
| 452 | |
| 453 @param [addr] Main Memory のアドレス | |
| 454 @param [m] Mem List | |
| 455 @return allocate した領域のポインタ | |
| 456 | |
| 457 */ | |
| 458 void | |
| 459 Scheduler::put_segment(MemorySegment *s) | |
| 460 { | |
| 1163 | 461 |
| 462 if (s == NULL) return; | |
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463 s->tag = connector->get_tag(); |
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464 connector->dma_store(s->data, s->address, s->size, s->tag); |
| 386 | 465 } |
| 466 | |
| 467 /*! | |
| 468 | |
| 469 Main Memory のSegmentを読込、書き出しを待つ | |
| 470 | |
| 471 @param [id] MemorySegment のid | |
| 472 | |
| 473 */ | |
| 474 void | |
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475 Scheduler::wait_segment(MemorySegment *s) |
| 386 | 476 { |
| 391 | 477 // 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? |
| 478 | |
| 1163 | 479 if (s == NULL) return; |
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480 if (s->tag) connector->dma_wait(s->tag); |
| 391 | 481 s->tag = 0; |
| 386 | 482 } |
| 483 | |
| 621 | 484 long Scheduler::get_random() { |
| 485 #if defined(__SPU__) | |
| 486 return 0; | |
| 487 #else | |
| 488 return random(); | |
| 489 #endif | |
| 490 | |
| 491 } | |
| 492 | |
| 736 | 493 int |
| 494 Scheduler::printf(const char * format, ...) | |
| 495 { | |
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496 #if !defined(__SPU__) || 1 |
| 736 | 497 va_list ap; |
| 498 va_start(ap,format); | |
| 743 | 499 int ret= vprintf0(format, ap); |
| 736 | 500 va_end(ap); |
| 501 return ret; | |
| 502 #else | |
| 503 return 0; | |
| 504 #endif | |
| 505 } | |
| 506 | |
| 507 int | |
| 743 | 508 Scheduler::vprintf0(const char * format, va_list ap) |
| 736 | 509 { |
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510 #if !defined(__SPU__) || 1 |
| 736 | 511 int ret= vprintf(format, ap); |
| 512 return ret; | |
| 513 #else | |
| 514 return 0; | |
| 515 #endif | |
| 516 } | |
| 517 | |
| 518 | |
| 386 | 519 /* end */ |