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annotate TaskManager/kernel/schedule/Scheduler.h @ 614:4e44147d78ee

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remove uncessary Task Name definision
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 14 Nov 2009 18:21:14 +0900
parents 4a2c9ff53605
children 0decff4e867b
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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 #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"
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11 #include "MemList.h"
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12 #include "MemHash.h"
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13
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14 #define MAX_USER_TASK 32
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15 #define MAX_SYSTEM_TASK 2
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16 #define MAX_TASK_OBJECT MAX_USER_TASK + MAX_SYSTEM_TASK
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17 #define MAX_GLOBAL_AREA 32
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18 #define MAX_MAINMEM_AREA 32
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19
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20 class SchedTaskBase;
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21 class SchedTask;
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22 class SchedTaskList;
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23
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24 typedef int (*TaskObjectRun)(SchedTask* smanager, void* r, void *w);
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25
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26 class Scheduler {
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27 public:
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28 virtual ~Scheduler();
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29
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30 BASE_NEW_DELETE(Scheduler);
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31
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32 /* variables */
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33 int id;
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34 MemHash *hash;
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35
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36 // double buffering
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37 TaskListPtr buff_taskList[2];
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38 // ListDataPtr buff_inListData[2];
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39 // ListDataPtr buff_outListData[2];
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41 int buffFlag_taskList;
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42 // int buffFlag_inListData;
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43 // int buffFlag_outListData;
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44
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45 /* TaskList 関連 */
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46
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47 /**
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48 * 実行中 TaskList の現在の位置 (list->tasks[index])
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49 *
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50 * bakIndex_taskList がある理由
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51 * taskList の途中で renew task が作られたとき、
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52 * 即座に実行するため、TaskList -> RenewTaskList と移って処理する。
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53 * RenewTaskList が終了したとき、再び TaskList に戻ってくるが
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54 * Renew Task を生成した所から再スタートするため、
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55 * taskList の index を覚えておく (backup)
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56 * 同様に TaskList も覚えておく
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57 */
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58 int bakIndex_taskList;
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59 TaskListPtr bak_curTaskList;
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62 /**
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63 * タスク内で生成されたタスクを入れる
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64 * Linked List で管理
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65 */
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66 TaskListPtr renewCur_taskList;
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67 TaskListPtr renewTop_taskList;
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68
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69 /**
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70 * 実行中 TaskList が Renew されたものかどうかのフラグ
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71 * Renew の場合、ListData は DMA する必要ないとか
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72 * いろいろな判定に使えるかもしれん
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73 * if (flag == 1) taskList is Renew
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74 */
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75 int flag_renewTaskList;
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76
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77 /**
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78 * 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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79 * 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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80 * なので、Tc を process group として記憶しておく。
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81 *
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82 * Tc が taskGroup のアドレスを持つので
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83 * Scheduler が持つ taskGroup 変数は一つだけで(多分)おk
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84 */
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85 TaskGroupPtr taskGroup;
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86
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87 /* GlobalMemoryList */
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88 void* globalList[MAX_GLOBAL_AREA];
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89
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90 /* MainMemory Allocate Command List */
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91 void* mainMemList[MAX_MAINMEM_AREA];
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92
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93 /* Code Area */
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94 MemList *code_segment_pool;
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95
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96 // Task Object Table
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97 // this is named TaskObjectRun but it is not an object.
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98 // It is a pointer to an object creation function
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99 // 大きいので、SPEには置かない方が本当は良い...
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100 typedef struct {
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101 TaskObjectRun run;
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102 memaddr location; // location address in a.out
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103 memaddr end;
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104 uint32 entry_offset; // offset for create();
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105 MemorySegment *segment;
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106 void (*load)(Scheduler *,int);
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107 void (*wait)(Scheduler *,int);
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108 } TaskObject, *TaskObjectPtr;
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110 DmaManager* connector;
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111
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112 // Pipeline Stage
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113 SchedTaskBase* task1;
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114 SchedTaskBase* task2;
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115 SchedTaskBase* task3;
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116
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117 /* functions */
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118 void init();
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119 void run();
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120 virtual void init_impl() {};
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121 void finish();
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122
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123 TaskListPtr get_curListBuf();
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124 // ListDataPtr get_curReadBuf();
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125 // ListDataPtr get_curWriteBuf();
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126 TaskListPtr get_renewListBuf();
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127
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128 void set_backupTaskList(TaskListPtr cur_taskList);
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129 void set_backupTaskListIndex(int cur_index);
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130 SchedTaskList* get_nextRenewTaskList();
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131 TaskListPtr get_backupTaskList();
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132 int get_backupTaskListIndex();
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133
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134 // なんか名前が変だが。。。
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135 /* TaskGroup */
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136 TaskGroupPtr set_groupTask(uint32 command);
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137 void add_groupTask(TaskGroupPtr group, TaskPtr task);
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138 void remove_groupTask(TaskGroupPtr group, TaskPtr task);
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139 void reload_groupTask();
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140 uint32 status_groupTask(TaskGroupPtr group);
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141
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142 /* GlobalMemory */
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143 void* global_alloc(int id, int size);
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144 void* global_get(int id);
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145 void global_set(int id, void *addr);
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146 void global_free(int id);
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147 MemList* createMemList(int size, int count);
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148 virtual void *allocate(int size) { return NULL; };
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149 void free_(void *p) { free(p); }
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150
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151 virtual void mainMem_alloc(int id, int size) {};
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152 virtual void mainMem_wait() {};
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153 void *mainMem_get(int id);
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154
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155 MemorySegment * get_segment(memaddr addr, MemList *m);
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156 MemorySegment * get_segment(memaddr addr, MemList *m, int size);
442
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157 void allocate_code_segment(int size, int count);
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158
389
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159 virtual uint32 get_tag();
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160 void put_segment(MemorySegment *s);
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161 void wait_segment(MemorySegment *s);
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162
109
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163 /* DMA Transfer */
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164 void dma_load(void *buf, uint32 addr, uint32 size, uint32 mask);
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165 void dma_store(void *buf,uint32 addr, uint32 size, uint32 mask);
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166 void dma_wait(uint32 mask);
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167 void show_dma_wait() { connector->show_dma_wait(id); };
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20f2459041cb [in test_render] push L key , call show_dma_wait, but incomplete.
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168 void show_dma_wait(int id) { connector->show_dma_wait(id); };
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169 void mail_write(uint32 data);
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170 uint32 mail_read();
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171 void dma_loadList(ListDataPtr list, void *, uint32 mask);
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172 void dma_storeList(ListDataPtr list, void *, uint32 mask);
42
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173 };
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174
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175 extern void register_task(int cmd, TaskObjectRun run);
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176 extern void register_dynamic_task(int cmd,
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177 memaddr start, int size, TaskObjectRun run,
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178 int entry_offset);
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179
441
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180 struct tbl {
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181 unsigned int vma;
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182 unsigned int size;
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183 unsigned int file_offset;
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184 unsigned int buf;
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185 };
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186
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187 #endif
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188
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189
373
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190 #define SchedConstructor(str) \
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191 str() {} \
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192 BASE_NEW_DELETE(str) \
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193
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194 #define SchedDefineTask(str) SchedDefineTask1(str,run) \
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195
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196 #define SchedDefineTask1(str,run) \
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197 static int run(SchedTask *smanager, void *rbuf, void *wbuf); \
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198 extern "C" { \
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199 int runTask_##str(SchedTask *smanager, void *rbuf, void *wbuf) \
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200 { \
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201 return run(smanager, rbuf, wbuf); \
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202 } \
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203 }
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204
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205 #define SchedExternTask(str) \
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206 extern "C" { \
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207 extern int runTask_##str(SchedTask *manager, void *rbuf, void *wbuf) ; \
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208 }
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209
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210 #define SchedRegisterTask(cmd, str) \
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211 register_task(cmd, runTask_##str);
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212
614
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213 #define SchedRegister(str) \
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214 register_task(str, runTask_##str);
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215
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216 #define SchedDefineDynamicTask(str,segment) \
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217 SchedDefineTask(str)
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218
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219 #ifndef NO_OVERLAY
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220 #define SchedExternDynamicTask(str,segment) \
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221 extern "C" { \
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222 extern unsigned long long _EAR_; \
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223 extern struct tbl _ovly_table[]; \
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224 extern int runTask_##str(SchedTask *manager, void *rbuf, void *wbuf) ; \
441
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225 }
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226 #else
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227 #define SchedExternDynamicTask(str,segment) SchedExternTask(str)
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228 #endif
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229
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230
437
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231 #ifndef NO_OVERLAY
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232 #define SchedRegisterDynamicTask(cmd, str, segment) \
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233 register_dynamic_task(cmd, _EAR_+_ovly_table[segment].file_offset, \
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234 _ovly_table[segment].size, \
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235 runTask_##str, \
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236 runTask_##str##_offset);
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237 #define SchedRegisterDynamic(str, segment) SchedRegisterDynamicTask(str, str, segment)
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238 #else
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239 #define SchedRegisterDynamicTask(cmd, str, segment) SchedRegisterTask(cmd, str)
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4e44147d78ee remove uncessary Task Name definision
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240 #define SchedRegisterDynamic(str, segment) SchedRegisterDynamicTask(str, str, segment)
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diff changeset
241 #endif
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diff changeset
242
403
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243
8611780d479f clean up and add more info on task_list
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diff changeset
244 /* end */