Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.cc @ 893:96536163c0a0
fix SimpleTask alignment
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 16 Jul 2010 00:13:04 +0900 |
parents | 8df4323f9fdb |
children | e015a4e5e4b0 |
rev | line source |
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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 { |
388
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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 // main loop |
75 do { | |
373 | 76 task3->write(); |
77 task2->exec(); | |
78 task1->read(); | |
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79 delete task3; |
42 | 80 |
373 | 81 task3 = task2; |
82 task2 = task1; | |
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83 task1 = task1->next(this, 0); |
42 | 84 } while (task1); |
85 | |
86 delete task3; | |
87 delete task2; | |
50 | 88 } |
48 | 89 |
50 | 90 |
91 void | |
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92 Scheduler::finish() |
50 | 93 { |
109 | 94 free(buff_taskList[0]); |
95 free(buff_taskList[1]); | |
42 | 96 } |
97 | |
109 | 98 /** |
298 | 99 * あらかじめ memory allocte してある TaskList の領域を |
100 * パイプラインの各処理が交代して使う。 | |
109 | 101 */ |
42 | 102 TaskListPtr |
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103 Scheduler::get_curListBuf() |
42 | 104 { |
109 | 105 buffFlag_taskList ^= 1; |
106 | |
107 return buff_taskList[buffFlag_taskList]; | |
108 } | |
109 | |
110 void | |
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111 Scheduler::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) |
109 | 112 { |
113 connector->dma_load(buf, addr, size, mask); | |
114 } | |
115 | |
116 void | |
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117 Scheduler::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask) |
109 | 118 { |
119 connector->dma_store(buf, addr, size, mask); | |
120 } | |
121 | |
122 void | |
123 Scheduler::dma_wait(uint32 mask) | |
124 { | |
125 connector->dma_wait(mask); | |
126 } | |
127 | |
128 void | |
129 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask) | |
130 { | |
131 connector->dma_loadList(list, buff, mask); | |
42 | 132 } |
133 | |
134 | |
109 | 135 void |
136 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
137 { | |
138 return connector->dma_storeList(list, buff, mask); | |
139 } | |
140 | |
141 void | |
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142 Scheduler::mail_write(memaddr data) |
109 | 143 { |
144 connector->mail_write(data); | |
145 } | |
146 | |
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147 memaddr |
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148 Scheduler::mail_read() |
109 | 149 { |
150 return connector->mail_read(); | |
151 } | |
152 | |
153 | |
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154 |
386 | 155 /* |
156 ここから下は、memory 以下にあるべき | |
157 */ | |
158 | |
109 | 159 void* |
160 Scheduler::global_alloc(int id, int size) | |
161 { | |
792 | 162 |
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163 globalList[id] = manager->allocate(size); |
792 | 164 |
109 | 165 return globalList[id]; |
166 } | |
167 | |
168 void* | |
169 Scheduler::global_get(int id) | |
170 { | |
171 return globalList[id]; | |
172 } | |
173 | |
174 void | |
373 | 175 Scheduler::global_set(int id, void *addr) |
176 { | |
177 globalList[id] = addr; | |
178 } | |
179 | |
180 void | |
109 | 181 Scheduler::global_free(int id) |
182 { | |
183 free(globalList[id]); | |
184 globalList[id] = NULL; | |
185 } | |
186 | |
187 /** | |
298 | 188 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。 |
189 * これは Fifo, Cell で共通 | |
109 | 190 */ |
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191 memaddr |
109 | 192 Scheduler::mainMem_get(int id) |
193 { | |
194 return mainMemList[id]; | |
42 | 195 } |
196 | |
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197 /** |
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198 * Task load API |
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199 */ |
425 | 200 void |
872 | 201 Scheduler::allocate_code_segment(int size, int count, struct tbl *table) |
425 | 202 { |
437 | 203 // 既に overlay 領域があるので、それを追加する必要がある... |
442 | 204 code_segment_pool = createMemList(size, count); |
872 | 205 if (table) { |
206 MemorySegment* here = (MemorySegment*)( | |
207 manager->allocate(sizeof(MemorySegment))); | |
208 here->data = (void*)(table->vma); | |
209 here->size = size; | |
210 here->address = (memaddr)here; | |
211 code_segment_pool->addLast(here); | |
212 } | |
425 | 213 } |
42 | 214 |
421
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215 static void |
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216 load_task(Scheduler *m, int task_id) |
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217 { |
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218 MemorySegment *s = m->get_segment( |
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219 task_list[task_id].location, |
437 | 220 m->code_segment_pool, |
221 task_list[task_id].end-task_list[task_id].location); | |
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222 task_list[task_id].segment = s; |
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223 // calcurate call address |
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224 TaskObjectRun run = |
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225 (TaskObjectRun)( |
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226 (char*)task_list[task_id].segment->data + |
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227 task_list[task_id].entry_offset); |
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228 task_list[task_id].run = run; |
874 | 229 #if 0 |
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230 m->printf("loadng task id %d at 0x%x entry 0x%x location 0x%x\n",task_id, |
461 | 231 (unsigned int)(task_list[task_id].segment->data ), |
232 (unsigned int)( | |
233 (char*)task_list[task_id].segment->data + | |
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234 task_list[task_id].entry_offset), |
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235 task_list[task_id].location); |
506 | 236 #endif |
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237 } |
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238 |
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239 static void |
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240 null_loader(Scheduler *m, int task_id) |
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241 { |
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242 } |
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243 |
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244 static void |
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245 wait_load(Scheduler *m, int task_id) |
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246 { |
523 | 247 #if 0 |
442 | 248 MemorySegment *s = task_list[task_id].segment; |
249 if (s) | |
736 | 250 m->printf("wait load task id %d 0x%x\n",task_id,(int)s->data); |
442 | 251 else |
736 | 252 m->printf("wait load task id %d 000000\n",task_id); |
506 | 253 #endif |
421
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254 // wait for code segment load |
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255 m->wait_segment(task_list[task_id].segment); |
506 | 256 #if 0 |
736 | 257 m->printf("wait load task id %d done. creator = 0x%x entry_offset = 0x%x\n",task_id, |
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258 (unsigned int)(task_list[task_id].run), |
439 | 259 task_list[task_id].entry_offset); |
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_waiter(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 extern void |
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269 register_task(int cmd, TaskObjectRun run) |
42 | 270 { |
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271 task_list[cmd].run = run; |
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272 task_list[cmd].load = null_loader; |
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273 task_list[cmd].wait = null_waiter; |
42 | 274 } |
373 | 275 |
421
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276 extern void |
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277 register_dynamic_task(int cmd, |
441 | 278 memaddr start, int size, |
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279 TaskObjectRun run, int entry_offset) |
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280 { |
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281 task_list[cmd].run = run; |
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282 task_list[cmd].location = start; |
442 | 283 size &= 0xfffffffe; |
441 | 284 task_list[cmd].end = start+size; |
421
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285 task_list[cmd].entry_offset = entry_offset; |
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286 task_list[cmd].load = load_task; |
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287 task_list[cmd].wait = wait_load; |
506 | 288 #if 0 |
736 | 289 this->printf("cmd = %d\n",cmd); |
290 this->printf("locatation = 0x%x\n",start); | |
291 this->printf("end = 0x%x\n",start+size); | |
292 this->printf("size = 0x%x\n",size); | |
293 this->printf("entry = 0x%x\n",entry_offset); | |
506 | 294 #endif |
439 | 295 |
421
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296 } |
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297 |
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298 |
373 | 299 /*! |
386 | 300 |
301 size 単位のMemory Segment を count 個作る | |
302 | |
373 | 303 @param [size] リストの要素1つのサイズ |
304 @param [count] 要素数 | |
305 @return allocate した領域のポインタ | |
306 | |
307 */ | |
308 MemList* | |
309 Scheduler::createMemList(int size, int count) | |
310 { | |
311 uint32 head_size = round_up16(sizeof(MemorySegment)); | |
312 uint32 seg_size = round_up16(head_size+size); | |
800
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313 char* mseg = (char*)manager->allocate(seg_size*count); |
373 | 314 MemList* mlist = new MemList((MemorySegment*)mseg); |
315 | |
388
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316 if (!hash) { |
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317 hash = new MemHash(); |
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318 } |
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319 |
373 | 320 for(int i = 0; i < count; i++) { |
321 MemorySegment* next = (MemorySegment*)(mseg+seg_size*i); | |
322 char* data = (char*)next+head_size; | |
323 next->data = (void*)data; | |
386 | 324 next->size = size; |
395 | 325 next->address = (memaddr)next; |
373 | 326 mlist->addLast(next); |
327 } | |
328 | |
329 return mlist; | |
330 } | |
386 | 331 |
332 /*! | |
333 | |
334 Main Memory のSegmentを取得する | |
335 | |
336 @param [addr] Main Memory のアドレス | |
337 @param [m] Mem List | |
338 @return allocate した領域のポインタ | |
339 memory directory にあるべきだが... | |
340 | |
341 */ | |
387
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342 MemorySegment * |
386 | 343 Scheduler::get_segment(memaddr addr, MemList *m) |
344 { | |
449
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345 MemorySegment *s = m->getFirst(); |
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346 return get_segment(addr, m, s->size); |
437 | 347 } |
348 | |
349 MemorySegment * | |
350 Scheduler::get_segment(memaddr addr, MemList *m, int size) | |
351 { | |
352 // memory segment のsizeをoverride する場合がある | |
386 | 353 MemorySegment *s = hash->get(addr); |
354 if (s) { | |
355 /* 既に load されている */ | |
736 | 356 // this->printf("get_segement loaded %llx 0x%x size 0x%d\n",addr,s->data,size); |
391 | 357 m->moveToFirst(s); |
386 | 358 return s; |
359 } | |
360 | |
361 /* LRU なので、もっとも使われてない segment を上書きする */ | |
362 s = m->getLast(); | |
363 m->moveToFirst(s); | |
364 | |
365 memaddr old_addr = s->address; | |
387
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366 s->tag = get_tag(); |
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367 dma_load(s->data, addr, |
437 | 368 size, s->tag); |
386 | 369 /* 前のをhashから削除 */ |
370 hash->remove(old_addr); | |
371 /* 新しいaddress を登録 */ | |
372 s->address = addr; | |
373 hash->put(s->address, s); | |
374 | |
736 | 375 // this->printf("get_segement %llx 0x%x size 0x%d\n",addr, s->data,size); |
439 | 376 |
386 | 377 return s; |
378 } | |
379 | |
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380 |
386 | 381 uint32 |
382 Scheduler::get_tag() | |
383 { | |
458 | 384 static int tag = 16; |
385 tag ++; | |
386 tag &= 0x0f; | |
387 return tag+16; | |
386 | 388 } |
389 | |
390 /*! | |
391 | |
392 Main Memory のSegmentを書き出す | |
393 Segment は get_segement されていて、 | |
394 追い出されていてはいけない。 | |
395 それを保証するのは難しい? | |
396 | |
397 @param [addr] Main Memory のアドレス | |
398 @param [m] Mem List | |
399 @return allocate した領域のポインタ | |
400 | |
401 */ | |
402 void | |
403 Scheduler::put_segment(MemorySegment *s) | |
404 { | |
387
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405 dma_store(s->data, s->address, |
386 | 406 s->size, s->tag); |
407 } | |
408 | |
409 /*! | |
410 | |
411 Main Memory のSegmentを読込、書き出しを待つ | |
412 | |
413 @param [id] MemorySegment のid | |
414 | |
415 */ | |
416 void | |
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417 Scheduler::wait_segment(MemorySegment *s) |
386 | 418 { |
391 | 419 // 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? |
420 | |
421 if (s->tag) dma_wait(s->tag); | |
422 s->tag = 0; | |
386 | 423 } |
424 | |
621 | 425 long Scheduler::get_random() { |
426 #if defined(__SPU__) | |
427 return 0; | |
428 #else | |
429 return random(); | |
430 #endif | |
431 | |
432 } | |
433 | |
736 | 434 int |
435 Scheduler::printf(const char * format, ...) | |
436 { | |
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437 #if !defined(__SPU__) || 1 |
736 | 438 va_list ap; |
439 va_start(ap,format); | |
742 | 440 int ret= vprintf0(format, ap); |
736 | 441 va_end(ap); |
442 return ret; | |
443 #else | |
444 return 0; | |
445 #endif | |
446 } | |
447 | |
448 | |
449 int | |
742 | 450 Scheduler::vprintf0(const char * format, va_list ap) |
736 | 451 { |
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452 #if !defined(__SPU__) || 1 |
736 | 453 int ret= vprintf(format, ap); |
454 return ret; | |
455 #else | |
456 return 0; | |
457 #endif | |
458 } | |
459 | |
460 | |
386 | 461 /* end */ |