Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/schedule/Scheduler.h @ 388:82cb9368e3ff
MemHash (OS X version)
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 06 Aug 2009 23:30:26 +0900 |
| parents | 5e2d30bfbf23 |
| children | 016d45583994 |
| rev | line source |
|---|---|
| 42 | 1 #ifndef INCLUDED_SCHEDULER |
| 2 #define INCLUDED_SCHEDULER | |
| 3 | |
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4 #include "base.h" |
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5 #include "TaskList.h" |
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6 #include "ListData.h" |
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7 #include "DmaManager.h" |
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8 #include "SchedTaskBase.h" |
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9 #include "SchedTaskList.h" |
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10 #include "TaskGroup.h" |
| 373 | 11 #include "MemList.h" |
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12 #include "MemHash.h" |
| 109 | 13 |
| 14 #define MAX_USER_TASK 32 | |
| 15 #define MAX_SYSTEM_TASK 2 | |
| 16 #define MAX_TASK_OBJECT MAX_USER_TASK + MAX_SYSTEM_TASK | |
| 17 #define MAX_GLOBAL_AREA 32 | |
| 18 #define MAX_MAINMEM_AREA 32 | |
| 19 | |
| 42 | 20 class SchedTaskBase; |
| 109 | 21 class SchedTask; |
| 184 | 22 class SchedTaskList; |
| 42 | 23 |
| 24 class Scheduler { | |
| 25 public: | |
| 109 | 26 virtual ~Scheduler(void); |
| 27 | |
| 28 BASE_NEW_DELETE(Scheduler); | |
| 42 | 29 |
| 30 /* variables */ | |
| 194 | 31 int id; |
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32 MemHash *hash; |
| 109 | 33 |
| 34 // double buffering | |
| 35 TaskListPtr buff_taskList[2]; | |
| 36 ListDataPtr buff_inListData[2]; | |
| 37 ListDataPtr buff_outListData[2]; | |
| 38 | |
| 39 int buffFlag_taskList; | |
| 40 int buffFlag_inListData; | |
| 41 int buffFlag_outListData; | |
| 42 | |
| 298 | 43 /* TaskList 関連 */ |
| 109 | 44 |
| 45 /** | |
| 298 | 46 * 実行中 TaskList の現在の位置 (list->tasks[index]) |
| 373 | 47 * |
| 298 | 48 * bakIndex_taskList がある理由 |
| 49 * taskList の途中で renew task が作られたとき、 | |
| 50 * 即座に実行するため、TaskList -> RenewTaskList と移って処理する。 | |
| 51 * RenewTaskList が終了したとき、再び TaskList に戻ってくるが | |
| 52 * Renew Task を生成した所から再スタートするため、 | |
| 53 * taskList の index を覚えておく (backup) | |
| 54 * 同様に TaskList も覚えておく | |
| 109 | 55 */ |
| 184 | 56 int bakIndex_taskList; |
| 57 TaskListPtr bak_curTaskList; | |
| 373 | 58 |
| 109 | 59 |
| 60 /** | |
| 298 | 61 * タスク内で生成されたタスクを入れる |
| 62 * Linked List で管理 | |
| 109 | 63 */ |
| 64 TaskListPtr renewCur_taskList; | |
| 65 TaskListPtr renewTop_taskList; | |
| 66 | |
| 67 /** | |
| 298 | 68 * 実行中 TaskList が Renew されたものかどうかのフラグ |
| 69 * Renew の場合、ListData は DMA する必要ないとか | |
| 70 * いろいろな判定に使えるかもしれん | |
| 109 | 71 * if (flag == 1) taskList is Renew |
| 72 */ | |
| 73 int flag_renewTaskList; | |
| 74 | |
| 75 /** | |
| 298 | 76 * タスク内 (T1) でタスク (Tc = T2, T3, ..) が複数生成された場合、 |
| 77 * Tc が全て終わってから、T1 の終了コマンドを PPE に送る。 | |
| 78 * なので、Tc を process group として記憶しておく。 | |
| 109 | 79 * |
| 298 | 80 * Tc が taskGroup のアドレスを持つので |
| 81 * Scheduler が持つ taskGroup 変数は一つだけで(多分)おk | |
| 109 | 82 */ |
| 83 TaskGroupPtr taskGroup; | |
| 84 | |
| 85 /* GlobalMemoryList */ | |
| 86 void* globalList[MAX_GLOBAL_AREA]; | |
| 87 | |
| 88 /* MainMemory Allocate Command List */ | |
| 89 void* mainMemList[MAX_MAINMEM_AREA]; | |
| 90 | |
| 91 // Task Object Table | |
| 291 | 92 // this is named TaskObject but it is not an object. |
| 93 // It is a pointer to an object creation function | |
| 184 | 94 typedef SchedTask* (*TaskObject)(void); |
| 42 | 95 |
| 96 DmaManager* connector; | |
| 109 | 97 |
| 98 // Pipeline Stage | |
| 42 | 99 SchedTaskBase* task1; |
| 100 SchedTaskBase* task2; | |
| 101 SchedTaskBase* task3; | |
| 102 | |
| 103 /* functions */ | |
| 104 void init(void); | |
| 105 void run(void); | |
| 109 | 106 virtual void init_impl(void) {}; |
| 50 | 107 void finish(void); |
| 42 | 108 |
| 109 TaskListPtr get_curListBuf(void); | |
| 109 | 110 ListDataPtr get_curReadBuf(void); |
| 111 ListDataPtr get_curWriteBuf(void); | |
| 112 TaskListPtr get_renewListBuf(void); | |
| 113 | |
| 187 | 114 void set_backupTaskList(TaskListPtr cur_taskList); |
| 115 void set_backupTaskListIndex(int cur_index); | |
| 116 SchedTaskList* get_nextRenewTaskList(void); | |
| 184 | 117 TaskListPtr get_backupTaskList(void); |
| 187 | 118 int get_backupTaskListIndex(void); |
| 184 | 119 |
| 298 | 120 // なんか名前が変だが。。。 |
| 109 | 121 /* TaskGroup */ |
| 122 TaskGroupPtr set_groupTask(uint32 command); | |
| 123 void add_groupTask(TaskGroupPtr group, TaskPtr task); | |
| 124 void remove_groupTask(TaskGroupPtr group, TaskPtr task); | |
| 125 void reload_groupTask(void); | |
| 126 uint32 status_groupTask(TaskGroupPtr group); | |
| 127 | |
| 128 /* GlobalMemory */ | |
| 129 void* global_alloc(int id, int size); | |
| 130 void* global_get(int id); | |
| 373 | 131 void global_set(int id, void *addr); |
| 109 | 132 void global_free(int id); |
| 373 | 133 MemList* createMemList(int size, int count); |
| 109 | 134 virtual void *allocate(int size) { return NULL; }; |
| 135 | |
| 136 virtual void mainMem_alloc(int id, int size) {}; | |
| 137 virtual void mainMem_wait(void) {}; | |
| 138 void *mainMem_get(int id); | |
| 139 | |
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140 MemorySegment * Scheduler::get_segment(memaddr addr, MemList *m); |
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141 virtual uint32 Scheduler::get_tag(); |
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142 void Scheduler::put_segment(MemorySegment *s); |
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143 void Scheduler::wait_segment(MemorySegment *s); |
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144 |
| 109 | 145 /* DMA Transfer */ |
| 146 void dma_load(void *buf, uint32 addr, uint32 size, uint32 mask); | |
| 147 void dma_store(void *buf,uint32 addr, uint32 size, uint32 mask); | |
| 148 void dma_wait(uint32 mask); | |
| 255 | 149 void show_dma_wait() { connector->show_dma_wait(id); }; |
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150 void show_dma_wait(int id) { connector->show_dma_wait(id); }; |
| 109 | 151 void mail_write(uint32 data); |
| 152 uint32 mail_read(void); | |
| 153 void dma_loadList(ListDataPtr list, void *, uint32 mask); | |
| 154 void dma_storeList(ListDataPtr list, void *, uint32 mask); | |
| 42 | 155 }; |
| 156 | |
| 302 | 157 extern void register_task(int cmd, Scheduler::TaskObject task); |
| 42 | 158 #endif |
| 109 | 159 |
| 160 | |
| 373 | 161 #define SchedConstructor(str) \ |
| 162 str(void) {} \ | |
| 163 BASE_NEW_DELETE(str) \ | |
| 109 | 164 |
| 373 | 165 #define SchedDefineTask(str) \ |
| 166 SchedTask* createTask_##str(void) \ | |
| 167 { \ | |
| 168 return new str(); \ | |
| 109 | 169 } |
| 170 | |
| 373 | 171 #define SchedExternTask(str) \ |
| 172 extern \ | |
| 184 | 173 SchedTask* createTask_##str(void); |
| 109 | 174 |
| 373 | 175 #define SchedRegisterTask(cmd, str) \ |
| 109 | 176 register_task(cmd, createTask_##str); |