annotate TaskManager/kernel/schedule/Scheduler.cc @ 301:bcb81858aa62

remove deprecated source. not work.
author tkaito@localhost.localdomain
date Sun, 07 Jun 2009 19:45:41 +0900
parents 58fd16298954
children c9f8cfcdc5c2
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include "Scheduler.h"
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4 #include "SchedNop.h"
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5 #include "error.h"
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6
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7 Scheduler::TaskObject task_list[MAX_TASK_OBJECT];
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8
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9 Scheduler::~Scheduler(void)
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10 {
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11 delete connector;
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12 }
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13
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14 /*! @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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15 */
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17 void
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18 Scheduler::init(void)
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19 {
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20 init_impl();
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22 for (int i = 0; i < 2; i++) {
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23 buff_taskList[i] = (TaskListPtr)allocate(sizeof(TaskList));
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24 buff_inListData[i] = (ListDataPtr)allocate(sizeof(ListData));
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25 buff_outListData[i] = (ListDataPtr)allocate(sizeof(ListData));
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26 }
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28 buffFlag_taskList = 0;
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29 buffFlag_inListData = 0;
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30 buffFlag_outListData = 0;
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31 flag_renewTaskList = 0;
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32
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33 // bzero でもいいけど
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34 for (int i = 0; i < MAX_GLOBAL_AREA; i++) {
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35 globalList[i] = NULL;
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36 }
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37
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38 for (int i = 0; i < MAX_MAINMEM_AREA; i++) {
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39 mainMemList[i] = NULL;
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40 }
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43 taskGroup = new TaskGroup;
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44 renewTop_taskList = NULL;
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45 renewCur_taskList = NULL;
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46 }
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48 void
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49 Scheduler::run(void)
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50 {
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51 SchedTaskBase* taskTmp;
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52
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53 task1 = new SchedNop();
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54 task2 = new SchedNop();
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55 task3 = new SchedNop();
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56
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57 // main loop
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58 do {
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59 __debug("----------\n");
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60 task3->write();
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61 task2->exec();
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62 task1->read();
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63
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64 taskTmp = task3;
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65 task3 = task2;
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66 task2 = task1;
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67 task1 = task1->next(this, taskTmp);
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68 } while (task1);
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69
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70 delete task3;
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71 delete task2;
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72 }
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74
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75 void
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76 Scheduler::finish(void)
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77 {
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78 free(buff_taskList[0]);
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79 free(buff_taskList[1]);
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80 free(buff_inListData[0]);
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81 free(buff_inListData[1]);
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82 free(buff_outListData[0]);
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83 free(buff_outListData[1]);
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84 }
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85
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86 /**
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87 * あらかじめ memory allocte してある TaskList の領域を
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88 * パイプラインの各処理が交代して使う。
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89 */
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90 TaskListPtr
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91 Scheduler::get_curListBuf(void)
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92 {
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93 buffFlag_taskList ^= 1;
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94
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95 return buff_taskList[buffFlag_taskList];
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96 }
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99 /**
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100 * あらかじめ memory allocte してある ListData の領域を
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101 * パイプラインの各処理が交代して使う。
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102 */
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103 ListDataPtr
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104 Scheduler::get_curWriteBuf(void)
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105 {
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106 buffFlag_outListData ^= 1;
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107 return buff_outListData[buffFlag_outListData];
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108 }
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111 ListDataPtr
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112 Scheduler::get_curReadBuf(void)
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113 {
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114 buffFlag_inListData ^= 1;
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115 return buff_inListData[buffFlag_inListData];
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116 }
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117
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118 /**
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119 * タスク内で生成されたタスクを格納する TaskList を取得する
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120 * 現在格納に使っている TaskList (renewCur_taskList) が使えるならそれを返す
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121 * もしそうでないなら、新しく TaskList を allocate してそれを返す
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122 * コード中で renewCur_taskList が NULL になるのは
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123 * - プログラム開始時
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124 * - タスク内生成タスクがある TaskList の実行を新しく始める (Nop2Ready 参照)
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125 * 以上の場合です
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126 */
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127 TaskListPtr
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128 Scheduler::get_renewListBuf(void)
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129 {
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130 if (renewCur_taskList && renewCur_taskList->length < TASK_MAX_SIZE) {
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131 return renewCur_taskList;
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132 } else {
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133 TaskListPtr newList = (TaskListPtr)allocate(sizeof(TaskList));
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134 newList->length = 0;
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135 newList->next = NULL;
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136 renewTop_taskList = TaskList::append(renewTop_taskList, newList);
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137 renewCur_taskList = newList;
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138 return newList;
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139 }
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140 }
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141
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142 /**
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143 * 次に実行する Renew Task List を返す
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144 *
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145 * @param[in] curList 現在実行中の TaskList
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146 * 中断して RenewTaskList を行うため
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147 * バックアップを取っておく
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148 * @return next RenewTaskList
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149 */
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150 SchedTaskList*
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151 Scheduler::get_nextRenewTaskList(void)
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152 {
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153 if (renewTop_taskList) {
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154 TaskListPtr list = renewTop_taskList;
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155 renewTop_taskList = renewTop_taskList->next;
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156 renewCur_taskList = NULL;
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157
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158 list->next = NULL;
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159 SchedTaskList *sched
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160 = createSchedTaskList((uint32)list, this, SCHED_TASKLIST_RENEW);
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161 return sched;
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162 } else {
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163 return NULL;
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164 }
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165 }
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166
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167 void
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168 Scheduler::set_backupTaskList(TaskListPtr cur_taskList)
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169 {
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170 bak_curTaskList = cur_taskList;
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171 }
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172
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173 void
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174 Scheduler::set_backupTaskListIndex(int cur_index)
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175 {
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176 bakIndex_taskList = cur_index;
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177 }
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178
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179 /**
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180 * RenewTaskList 実行前に中断した TaskList を返す
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181 * NULL の場合、中断した TaskList は無い。
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182 *
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183 * @return TaskList
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184 */
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185 TaskListPtr
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186 Scheduler::get_backupTaskList(void)
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187 {
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188 TaskListPtr ret = bak_curTaskList;
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189
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190 bak_curTaskList = NULL;
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191 return ret;
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192 }
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193
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194 int
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195 Scheduler::get_backupTaskListIndex(void)
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196 {
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197 int ret = bakIndex_taskList;
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198
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199 bakIndex_taskList = 0;
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200 return ret;
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201 }
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202
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203 void
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204 Scheduler::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask)
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205 {
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206 connector->dma_load(buf, addr, size, mask);
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207 }
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208
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209 void
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210 Scheduler::dma_store(void *buf, uint32 addr, uint32 size, uint32 mask)
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211 {
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212 connector->dma_store(buf, addr, size, mask);
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213 }
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214
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215 void
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216 Scheduler::dma_wait(uint32 mask)
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217 {
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218 connector->dma_wait(mask);
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219 }
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220
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221 void
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222 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask)
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223 {
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224 connector->dma_loadList(list, buff, mask);
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225 }
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226
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227
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228 void
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229 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask)
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230 {
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231 return connector->dma_storeList(list, buff, mask);
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232 }
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233
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234 void
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235 Scheduler::mail_write(uint32 data)
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236 {
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237 connector->mail_write(data);
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238 }
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239
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240 uint32
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241 Scheduler::mail_read(void)
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242 {
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243 return connector->mail_read();
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244 }
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245
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246 TaskGroupPtr
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247 Scheduler::set_groupTask(uint32 command)
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248 {
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249 TaskGroupPtr ret = taskGroup;
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250
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251 reload_groupTask();
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252
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253 ret->command = command;
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254 return ret;
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255 }
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256
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257 void
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258 Scheduler::add_groupTask(TaskGroupPtr group, TaskPtr task)
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259 {
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260 group->add(task);
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261 }
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262
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263 void
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264 Scheduler::remove_groupTask(TaskGroupPtr group, TaskPtr task)
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265 {
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266 group->remove(task);
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267 }
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268
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269 void
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270 Scheduler::reload_groupTask(void)
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271 {
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272 taskGroup = new TaskGroup;
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273 }
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274
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275 uint32
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276 Scheduler::status_groupTask(TaskGroupPtr group)
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277 {
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278 return group->status();
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279 }
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280
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281 void*
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282 Scheduler::global_alloc(int id, int size)
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283 {
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284 globalList[id] = allocate(size);
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285 return globalList[id];
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286 }
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287
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288 void*
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289 Scheduler::global_get(int id)
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290 {
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291 return globalList[id];
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292 }
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293
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294 void
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295 Scheduler::global_free(int id)
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296 {
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297 free(globalList[id]);
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298 globalList[id] = NULL;
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299 }
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300
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301 /**
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302 * mainMem_alloc で確保したメインメモリの領域アドレスを返す。
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303 * これは Fifo, Cell で共通
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304 */
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305 void*
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306 Scheduler::mainMem_get(int id)
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307 {
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308 return mainMemList[id];
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309 }
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310
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311
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312 /**
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313 * 本当は Scheduler クラスに入れるべきなんだろうか。。。
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314 * なんか手抜きの感がある
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315 */
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316 void
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317 register_task(int cmd, Scheduler::TaskObject task)
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318 {
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319 task_list[cmd] = task;
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320 }