Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Fifo/FifoTaskManagerImpl.cc @ 486:bfbad00ed9be
activeTaskQueue on Fifo is necessary on Cell
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 06 Oct 2009 10:12:37 +0900 |
| parents | 9745d08e2f25 |
| children | 7cd207691af1 |
| rev | line source |
|---|---|
| 3 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <string.h> | |
| 4 #include "FifoTaskManagerImpl.h" | |
| 373 | 5 #include "Scheduler.h" |
| 47 | 6 #include "types.h" |
| 109 | 7 #include "error.h" |
| 3 | 8 |
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9 FifoTaskManagerImpl::~FifoTaskManagerImpl() |
| 109 | 10 { |
| 11 delete mailManager; | |
| 12 delete scheduler; | |
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13 |
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14 delete taskListImpl ; |
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15 delete taskQueueImpl ; |
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16 delete htaskImpl ; |
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17 |
| 109 | 18 } |
| 19 | |
| 20 /** | |
| 321 | 21 * MailManager は PPE スケジューラとのメール交換、 |
| 22 * FifoScheduler は PPE 側のスケジューラ | |
| 23 * BufferManager は Task、TaskList などのメモリ管理(大層なことしてないが | |
| 109 | 24 */ |
| 3 | 25 void |
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26 FifoTaskManagerImpl::init() |
| 3 | 27 { |
| 109 | 28 mailManager = new MailManager(); |
| 29 mailManager->init(20); | |
| 30 | |
| 31 scheduler = new MainScheduler(); | |
| 32 scheduler->init(); | |
| 33 scheduler->set_mailManager(mailManager); | |
| 194 | 34 scheduler->id = 0; |
| 42 | 35 |
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36 taskListImpl = new TaskListInfo; |
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37 taskQueueImpl = new TaskQueueInfo; |
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38 htaskImpl = new HTaskInfo; |
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39 |
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40 taskQueueImpl->init(TASK_MAX_SIZE*4); |
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41 htaskImpl->init(TASK_MAX_SIZE*2); |
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42 |
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43 mainTaskList = taskListImpl->create(); |
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44 |
| 109 | 45 } |
| 46 | |
| 47 /** | |
| 321 | 48 * これは CellTaskManagerImpl から呼ばれる。 |
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49 * TaskList等 は共用で使うので引数に。 |
| 321 | 50 * CellTaskManagerImpl と FifoTaskManagerImpl が同時に |
| 373 | 51 * 上のデータにアクセスする事は(今は)ないのでこれでおk |
| 109 | 52 */ |
| 53 void | |
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54 FifoTaskManagerImpl::init(MainScheduler *_sched, TaskManagerImpl *tm) |
| 109 | 55 { |
| 56 mailManager = new MailManager(); | |
| 57 mailManager->init(20); | |
| 58 | |
| 59 //scheduler = new MainScheduler(); | |
| 60 scheduler = _sched; | |
| 61 scheduler->init(); | |
| 62 scheduler->set_mailManager(mailManager); | |
| 63 | |
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64 taskListImpl = tm-> taskListImpl ; |
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65 taskQueueImpl = tm-> taskQueueImpl ; |
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66 htaskImpl = tm-> htaskImpl ; |
| 485 | 67 waitTaskQueue = NULL; // mail_check で外から設定される |
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68 // waitTaskQueue = tm->waitTaskQueue; |
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69 // activeTaskQueue = NULL; // CellTaskManagerImple 側を使う |
| 485 | 70 |
| 71 // waitTaskQueue = tm->waitTaskQueue; | |
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72 // activeQueue は? |
| 109 | 73 |
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74 mainTaskList = taskListImpl->create(); |
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75 |
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76 |
| 109 | 77 } |
| 78 | |
| 79 /** | |
| 321 | 80 * スケジューラに渡す TaskList を取得する。 |
| 109 | 81 * |
| 321 | 82 * @return 実行タスクリスト |
| 109 | 83 * |
| 321 | 84 * ActiveTaskQueue (依存条件は満たし済み) のタスクを |
| 85 * 実行タスクリストに入れる | |
| 109 | 86 */ |
| 87 TaskListPtr | |
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88 FifoTaskManagerImpl::get_runTaskList() |
| 109 | 89 { |
| 90 TaskListPtr list, list_top; | |
| 321 | 91 HTaskPtr htask; // HTask (PPE にある) |
| 92 TaskPtr task; // Task (SPE に送る Task) | |
| 109 | 93 |
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94 if (activeTaskQueue->empty()) { |
| 373 | 95 return NULL; |
| 109 | 96 } |
| 97 | |
| 321 | 98 // PPE 側で実行される TaskList |
| 109 | 99 list_top = mainTaskList; |
| 100 | |
| 321 | 101 // list_top->clear() とかの方がいいかもしれん。 |
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102 list_top = taskListImpl->clear_taskList(list_top); |
| 109 | 103 list = list_top; |
| 104 | |
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105 while (TaskQueuePtr queue = activeTaskQueue->poll()) { |
| 373 | 106 htask = (HTaskPtr)queue->task; |
| 109 | 107 |
| 373 | 108 task = &list->tasks[list->length++]; |
| 109 | 109 |
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110 memcpy(task, (Task*)htask, sizeof(Task)); |
| 109 | 111 |
| 373 | 112 if (list->length >= TASK_MAX_SIZE) { |
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113 TaskListPtr newList = taskListImpl->create(); |
| 373 | 114 list_top = TaskListInfo::append(list_top, newList); |
| 115 list = newList; | |
| 116 } | |
| 109 | 117 |
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118 activeTaskQueue->free(queue); |
| 109 | 119 } |
| 120 | |
| 121 mainTaskList = list_top; | |
| 122 | |
| 123 return list_top; | |
| 124 } | |
| 125 | |
| 126 | |
| 127 void | |
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128 FifoTaskManagerImpl::run() |
| 109 | 129 { |
| 130 TaskListPtr list; | |
| 131 MailQueuePtr mail; | |
| 132 | |
| 133 list = get_runTaskList(); | |
| 134 | |
| 135 do { | |
| 373 | 136 // list を実行する |
| 137 mail = schedule(list); | |
| 109 | 138 |
| 373 | 139 // mail には、ppe scheduler からの mail がある |
| 140 mail_check(mail); | |
| 109 | 141 |
| 373 | 142 // 依存関係を満たしたものは実行可能キューへ |
| 143 wakeup_waitTask(); | |
| 144 list = get_runTaskList(); | |
| 109 | 145 } while (list); |
| 146 } | |
| 147 | |
| 148 /** | |
| 321 | 149 * @param [list] 実行タスクリスト |
| 150 * @return FifoScheduler からのメール | |
| 109 | 151 * |
| 321 | 152 * [Tasklist] -> [番兵] -> scheduler->run を抜ける |
| 109 | 153 */ |
| 154 MailQueuePtr | |
| 155 FifoTaskManagerImpl::schedule(TaskListPtr list) | |
| 156 { | |
| 157 MailQueuePtr list_mail; // task list | |
| 321 | 158 MailQueuePtr sentinel; // 番兵 |
| 109 | 159 MailQueuePtr in_mail_list = NULL; |
| 160 MailQueuePtr out_mail_list = NULL; | |
| 161 | |
| 321 | 162 // TaskList のアドレス |
| 373 | 163 list_mail = mailManager->create((unsigned int)list); |
| 109 | 164 in_mail_list = MailManager::append_mailQueue(in_mail_list, list_mail); |
| 165 | |
| 321 | 166 // EXIT_COMMAND (番兵的な意味で) |
| 109 | 167 sentinel = mailManager->create(MY_SPE_COMMAND_EXIT); |
| 168 in_mail_list = MailManager::append_mailQueue(in_mail_list, sentinel); | |
| 373 | 169 |
| 321 | 170 // scheduler は受け取ったメールを元に実行する |
| 109 | 171 scheduler->send_mailList(in_mail_list); |
| 172 scheduler->run(); | |
| 373 | 173 out_mail_list = scheduler->recv_mailList(); |
| 109 | 174 |
| 175 return out_mail_list; | |
| 176 } | |
| 177 | |
| 178 /** | |
| 321 | 179 * PPE Scheduler からのメールをチェックする |
| 109 | 180 * |
| 181 * @param [mail_list] | |
| 321 | 182 * PPE 側で動く Scheduler からのメールリスト |
| 183 * 終了した Task や、その他(今はまだ実装してないけど)の情報が入ってる | |
| 109 | 184 * |
| 373 | 185 * @return Scheduler が次に実行する Task List |
| 321 | 186 * NULL なら全てのタスクが実行終了したということ |
| 109 | 187 */ |
| 188 void | |
| 485 | 189 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list, TaskQueueInfo *waitQueue) |
| 190 { | |
| 191 waitTaskQueue = waitQueue; | |
| 192 mail_check(mail_list); | |
| 193 } | |
| 194 | |
| 195 void | |
| 109 | 196 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list) |
| 197 { | |
| 198 MailQueuePtr q = mail_list; | |
| 199 MailQueuePtr d; | |
| 200 unsigned int data; | |
| 201 | |
| 202 while (q) { | |
| 373 | 203 data = q->data; |
| 109 | 204 |
| 373 | 205 /** |
| 206 * MY_SPE_STATUS_READY: SPE が持ってた Task 全て終了 | |
| 207 * MY_SPE_NOP: 特に意味のないコマンド | |
| 208 * それ以外：終了したタスク(PPEにあるのでアドレス | |
| 209 * | |
| 210 * MY_SPE_NOP が 0 なので、 | |
| 211 * 下のように data > MY_SPE_NOP とかしています。 | |
| 212 * 一目でよくわからない書き方なんで、直したいところですが。。。 | |
| 213 */ | |
| 214 if (data == MY_SPE_STATUS_READY) { | |
| 215 __debug_ppe("mail_check(): Task List finish\n"); | |
| 216 } else if (data > MY_SPE_NOP) { | |
| 217 __debug_ppe("mail_check(): recv from 0x%x\n", data); | |
| 218 check_task_finish((HTaskPtr)data); | |
| 219 } | |
| 109 | 220 |
| 373 | 221 d = q; |
| 222 q = q->next; | |
| 109 | 223 |
| 373 | 224 mailManager->free(d); |
| 109 | 225 } |
| 3 | 226 } |
| 227 | |
| 109 | 228 void* |
| 229 FifoTaskManagerImpl::allocate(int size) | |
| 230 { | |
| 231 return malloc(size); | |
| 232 } | |
| 233 | |
| 373 | 234 Scheduler* |
| 235 FifoTaskManagerImpl::get_scheduler() { | |
| 236 return scheduler; | |
| 237 } | |
| 238 | |
| 109 | 239 /** |
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240 * # # # # # # # # |
| 109 | 241 * Abstract Factory Pattern |
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242 * # # # # # # # |
| 109 | 243 */ |
| 244 #ifdef __CERIUM_FIFO__ | |
| 373 | 245 TaskManagerImpl* |
| 3 | 246 create_impl(int num) |
| 247 { | |
| 248 return new FifoTaskManagerImpl(); | |
| 249 } | |
| 109 | 250 #endif // __CERIUM_FIFO__ |
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251 |