annotate include/TaskManager/Scheduler.h @ 233:d734af296d38

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author gongo@localhost.localdomain
date Sun, 29 Mar 2009 21:13:17 +0900
parents 72dcf908ec52
children 6bb8725e60ae
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1 #ifndef INCLUDED_SCHEDULER
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2 #define INCLUDED_SCHEDULER
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3
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4 #ifndef INCLUDED_BASE_H_
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5 # include "base.h"
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6 #endif
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7
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8 #ifndef INCLUDED_TASKLIST
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9 # include "TaskList.h"
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10 #endif
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12 #ifndef INCLUDED_LIST_DATA
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13 # include "ListData.h"
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14 #endif
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16 #ifndef INCLUDED_DMA_MANAGER
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17 # include "DmaManager.h"
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18 #endif
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20 #ifndef INCLUDED_SCHED_TASK_BASE
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21 # include "SchedTaskBase.h"
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22 #endif
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24 #ifndef INCLUDED_SCHED_TASK
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25 # include "SchedTask.h"
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26 #endif
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27
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28 #ifndef INCLUDED_SCHED_TASKLIST
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29 # include "SchedTaskList.h"
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30 #endif
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31
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32 #ifndef INCLUDED_TASK_GROUP
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33 # include "TaskGroup.h"
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34 #endif
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35
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36 #define MAX_USER_TASK 32
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37 #define MAX_SYSTEM_TASK 2
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38 #define MAX_TASK_OBJECT MAX_USER_TASK + MAX_SYSTEM_TASK
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39 #define MAX_GLOBAL_AREA 32
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40 #define MAX_MAINMEM_AREA 32
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41
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42 class SchedTaskBase;
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43 class SchedTask;
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44 class SchedTaskList;
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45
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46 class Scheduler {
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47 public:
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48 virtual ~Scheduler(void);
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49
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50 BASE_NEW_DELETE(Scheduler);
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51
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52 /* variables */
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53 int id;
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54
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55 // double buffering
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56 TaskListPtr buff_taskList[2];
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57 ListDataPtr buff_inListData[2];
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58 ListDataPtr buff_outListData[2];
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59
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60 int buffFlag_taskList;
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61 int buffFlag_inListData;
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62 int buffFlag_outListData;
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63
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64 /* TaskList 関連 */
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65
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66 /**
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67 * 実行中 TaskList の現在の位置 (list->tasks[index])
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68 *
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69 * bakIndex_taskList がある理由
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70 * taskList の途中で renew task が作られたとき、
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71 * 即座に実行するため、TaskList -> RenewTaskList と移って処理する。
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72 * RenewTaskList が終了したとき、再び TaskList に戻ってくるが
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73 * Renew Task を生成した所から再スタートするため、
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74 * taskList の index を覚えておく (backup)
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75 * 同様に TaskList も覚えておく
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76 */
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77 int bakIndex_taskList;
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78 TaskListPtr bak_curTaskList;
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81 /**
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82 * タスク内で生成されたタスクを入れる
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83 * Linked List で管理
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84 */
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85 TaskListPtr renewCur_taskList;
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86 TaskListPtr renewTop_taskList;
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87
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88 /**
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89 * 実行中 TaskList が Renew されたものかどうかのフラグ
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90 * Renew の場合、ListData は DMA する必要ないとか
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91 * いろいろな判定に使えるかもしれん
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92 * if (flag == 1) taskList is Renew
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93 */
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94 int flag_renewTaskList;
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95
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96 /**
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97 * タスク内 (T1) でタスク (Tc = T2, T3, ..) が複数生成された場合、
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98 * Tc が全て終わってから、T1 の終了コマンドを PPE に送る。
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99 * なので、Tc を process group として記憶しておく。
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100 *
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101 * Tc が taskGroup のアドレスを持つので
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102 * Scheduler が持つ taskGroup 変数は一つだけで(多分)おk
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103 */
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104 TaskGroupPtr taskGroup;
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105
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106 /* GlobalMemoryList */
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107 void* globalList[MAX_GLOBAL_AREA];
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108
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109 /* MainMemory Allocate Command List */
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110 void* mainMemList[MAX_MAINMEM_AREA];
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111
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112 // Task Object Table
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113 typedef SchedTask* (*TaskObject)(void);
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114
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115 DmaManager* connector;
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116
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117 // Pipeline Stage
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118 SchedTaskBase* task1;
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119 SchedTaskBase* task2;
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120 SchedTaskBase* task3;
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121
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122 /* functions */
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123 void init(void);
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124 void run(void);
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125 virtual void init_impl(void) {};
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126 void finish(void);
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127
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128 TaskListPtr get_curListBuf(void);
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129 ListDataPtr get_curReadBuf(void);
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130 ListDataPtr get_curWriteBuf(void);
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131 TaskListPtr get_renewListBuf(void);
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132
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133 void set_backupTaskList(TaskListPtr cur_taskList);
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134 void set_backupTaskListIndex(int cur_index);
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135 SchedTaskList* get_nextRenewTaskList(void);
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136 TaskListPtr get_backupTaskList(void);
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137 int get_backupTaskListIndex(void);
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138
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139 // なんか名前が変だが。。。
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140 /* TaskGroup */
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141 TaskGroupPtr set_groupTask(uint32 command);
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142 void add_groupTask(TaskGroupPtr group, TaskPtr task);
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143 void remove_groupTask(TaskGroupPtr group, TaskPtr task);
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144 void reload_groupTask(void);
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145 uint32 status_groupTask(TaskGroupPtr group);
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146
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147 /* GlobalMemory */
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148 void* global_alloc(int id, int size);
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149 void* global_get(int id);
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150 void global_free(int id);
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151
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152 virtual void *allocate(int size) { return NULL; };
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153
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154 virtual void mainMem_alloc(int id, int size) {};
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155 virtual void mainMem_wait(void) {};
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156 void *mainMem_get(int id);
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157
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158 /* DMA Transfer */
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159 void dma_load(void *buf, uint32 addr, uint32 size, uint32 mask);
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160 void dma_store(void *buf,uint32 addr, uint32 size, uint32 mask);
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161 void dma_wait(uint32 mask);
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162 void mail_write(uint32 data);
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163 uint32 mail_read(void);
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164 void dma_loadList(ListDataPtr list, void *, uint32 mask);
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165 void dma_storeList(ListDataPtr list, void *, uint32 mask);
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166 };
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167
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168 #endif
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169
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170 extern void register_task(int cmd, Scheduler::TaskObject task);
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171
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172 #define SchedConstructor(str) \
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173 str(void) {} \
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174 BASE_NEW_DELETE(str) \
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175
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176 #define SchedDefineTask(str) \
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177 SchedTask* createTask_##str(void) \
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178 { \
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179 return new str(); \
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180 }
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181
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182 #define SchedExternTask(str) \
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183 extern \
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184 SchedTask* createTask_##str(void);
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185
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186 #define SchedRegisterTask(cmd, str) \
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187 register_task(cmd, createTask_##str);