annotate TaskManager/kernel/schedule/Scheduler.cc @ 109:5c194c71eca8

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author gongo@gendarme.local
date Wed, 12 Nov 2008 17:39:33 +0900
parents 7927e00fb8e2
children 907bda4a1a14
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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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14 void
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15 Scheduler::init(void)
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16 {
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17 init_impl();
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19 for (int i = 0; i < 2; i++) {
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20 buff_taskList[i] = (TaskListPtr)allocate(sizeof(TaskList));
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21 buff_inListData[i] = (ListDataPtr)allocate(sizeof(ListData));
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22 buff_outListData[i] = (ListDataPtr)allocate(sizeof(ListData));
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23 }
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25 buffFlag_taskList = 0;
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26 buffFlag_inListData = 0;
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27 buffFlag_outListData = 0;
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28 flag_renewTaskList = 0;
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29
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30 // bzero でもいいけど
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31 for (int i = 0; i < MAX_GLOBAL_AREA; i++) {
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32 globalList[i] = NULL;
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33 }
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34
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35 for (int i = 0; i < MAX_MAINMEM_AREA; i++) {
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36 mainMemList[i] = NULL;
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37 }
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40 taskGroup = new TaskGroup;
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41 renewTop_taskList = NULL;
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42 renewCur_taskList = NULL;
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43 }
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45 void
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46 Scheduler::run(void)
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47 {
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48 SchedTaskBase* taskTmp;
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49
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50 task1 = new SchedNop();
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51 task2 = new SchedNop();
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52 task3 = new SchedNop();
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53
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54 // main loop
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55 do {
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56 __debug("----------\n");
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57 task3->write();
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58 task2->exec();
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59 task1->read();
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61 taskTmp = task3;
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62 task3 = task2;
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63 task2 = task1;
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64 task1 = task1->next(this, taskTmp);
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65 } while (task1);
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66
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67 delete task3;
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68 delete task2;
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69 }
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72 void
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73 Scheduler::finish(void)
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74 {
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75 free(buff_taskList[0]);
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76 free(buff_taskList[1]);
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77 free(buff_inListData[0]);
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78 free(buff_inListData[1]);
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79 free(buff_outListData[0]);
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80 free(buff_outListData[1]);
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81 }
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82
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83 /**
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84 * あらかじめ memory allocte してある TaskList の領域を
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85 * パイプラインの各処理が交代して使う。
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86 */
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87 TaskListPtr
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88 Scheduler::get_curListBuf(void)
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89 {
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90 buffFlag_taskList ^= 1;
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91 curIndex_taskList = 0;
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92
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93 return buff_taskList[buffFlag_taskList];
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94 }
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97 /**
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98 * あらかじめ memory allocte してある ListData の領域を
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99 * パイプラインの各処理が交代して使う。
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100 */
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101 ListDataPtr
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102 Scheduler::get_curWriteBuf(void)
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103 {
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104 buffFlag_outListData ^= 1;
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105 return buff_outListData[buffFlag_outListData];
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106 }
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108
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109 ListDataPtr
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110 Scheduler::get_curReadBuf(void)
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111 {
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112 buffFlag_inListData ^= 1;
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113 return buff_inListData[buffFlag_inListData];
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114 }
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115
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116 /**
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117 * 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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118 * 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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119 * 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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120 * コード中で renewCur_taskList が NULL になるのは
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121 * - プログラム開始時
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122 * - 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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123 * 以上の場合です
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124 */
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125 TaskListPtr
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126 Scheduler::get_renewListBuf(void)
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127 {
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128 if (renewCur_taskList && renewCur_taskList->length < TASK_MAX_SIZE) {
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129 return renewCur_taskList;
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130 } else {
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131 TaskListPtr newList = (TaskListPtr)allocate(sizeof(TaskList));
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132 newList->length = 0;
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133 newList->next = NULL;
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134 renewTop_taskList = TaskList::append(renewTop_taskList, newList);
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135 renewCur_taskList = newList;
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136 return newList;
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137 }
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138 }
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139
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140 void
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141 Scheduler::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask)
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142 {
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143 connector->dma_load(buf, addr, size, mask);
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144 }
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145
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146 void
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147 Scheduler::dma_store(void *buf, uint32 addr, uint32 size, uint32 mask)
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148 {
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149 connector->dma_store(buf, addr, size, mask);
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150 }
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151
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152 void
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153 Scheduler::dma_wait(uint32 mask)
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154 {
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155 connector->dma_wait(mask);
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156 }
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157
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158 void
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159 Scheduler::dma_loadList(ListDataPtr list, void *buff, uint32 mask)
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160 {
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161 connector->dma_loadList(list, buff, mask);
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162 }
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163
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164
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165 void
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166 Scheduler::dma_storeList(ListDataPtr list, void *buff, uint32 mask)
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167 {
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168 return connector->dma_storeList(list, buff, mask);
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169 }
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170
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171 void
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172 Scheduler::mail_write(uint32 data)
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173 {
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174 connector->mail_write(data);
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175 }
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176
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177 uint32
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178 Scheduler::mail_read(void)
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179 {
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180 return connector->mail_read();
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181 }
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182
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183 TaskGroupPtr
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184 Scheduler::set_groupTask(uint32 command)
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185 {
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186 TaskGroupPtr ret = taskGroup;
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187
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188 reload_groupTask();
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189
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190 ret->command = command;
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191 return ret;
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192 }
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193
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194 void
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195 Scheduler::add_groupTask(TaskGroupPtr group, TaskPtr task)
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196 {
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197 group->add(task);
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198 }
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199
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200 void
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201 Scheduler::remove_groupTask(TaskGroupPtr group, TaskPtr task)
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202 {
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203 group->remove(task);
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204 }
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205
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206 void
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207 Scheduler::reload_groupTask(void)
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208 {
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209 taskGroup = new TaskGroup;
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210 }
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211
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212 uint32
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213 Scheduler::status_groupTask(TaskGroupPtr group)
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214 {
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215 return group->status();
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216 }
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217
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218 void*
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219 Scheduler::global_alloc(int id, int size)
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220 {
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221 globalList[id] = allocate(size);
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222 return globalList[id];
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223 }
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224
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225 void*
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226 Scheduler::global_get(int id)
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227 {
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228 return globalList[id];
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229 }
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230
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231 void
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232 Scheduler::global_free(int id)
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233 {
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234 free(globalList[id]);
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235 globalList[id] = NULL;
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236 }
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237
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238 /**
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239 * 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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240 * これは Fifo, Cell で共通
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241 */
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242 void*
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243 Scheduler::mainMem_get(int id)
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244 {
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245 return mainMemList[id];
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246 }
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247
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248
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249 /**
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250 * 本当は Scheduler クラスに入れるべきなんだろうか。。。
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251 * なんか手抜きの感がある
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252 */
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253 void
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254 register_task(int cmd, Scheduler::TaskObject task)
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255 {
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256 task_list[cmd] = task;
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257 }