annotate TaskManager/kernel/schedule/SchedTaskList.cc @ 0:04e28d8d3c6f

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author Daiki KINJYO <e085722@ie.u-ryukyu.ac.jp>
date Mon, 08 Nov 2010 01:23:25 +0900
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1 #include <stdlib.h>
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2 #include <string.h>
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3 #include "SchedTaskList.h"
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4 #include "SchedTask.h"
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5 #include "SysFunc.h"
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6 #include "SchedTaskArray.h"
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7 #include "SchedTaskArrayLoad.h"
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8 #include "SchedNop2Ready.h"
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9 #include "DmaManager.h"
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10 #include "error.h"
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11
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12 /**
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13 * SchedTaskList を返す
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14 *
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15 * @param[in] next_list 次の実行する TaskList のアドレス
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16 * @param[in] next_list がメインメモリのアドレスか、
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17 * SPE で生成されたアドレスかのフラグ
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18 * SPE で生成されている場合、DMA の必要は無い
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19 * 0: メインメモリ, 1: SPE
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20 */
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21
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22 SchedTaskList::SchedTaskList(memaddr addr, Scheduler *sched, int tag)
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23 {
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24 // next() で生成された時に、Task List read を始める
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25 params_addr = addr;
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26 scheduler = sched;
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27 cur_index = 0;
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28 list = scheduler->get_curListBuf();
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29 scheduler->dma_load(list, params_addr,
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30 sizeof(TaskList), DMA_READ_TASKLIST);
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31
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32 this->tag = tag;
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33
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34 }
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36
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37 void
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38 SchedTaskList::read()
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39 {
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40 // next() で TaskListの中身を見られてしまうので、
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41 // ここで DMA 待ちを行う
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42 __debug("[SchedTaskList:%s]\n", __FUNCTION__);
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43 scheduler->dma_wait(DMA_READ_TASKLIST);
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44 }
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45
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46 void
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47 SchedTaskList::exec() {
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48 }
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49
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50 void
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51 SchedTaskList::write()
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52 {
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53 }
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54
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55 /**
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56 * next は、SchedTask のものが使われる。
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57 * それで正しく動くはず。
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58 *
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59 * next() が呼ばれた時点で、TaskList のloadが終了しているように工夫する。
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60 *
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61 */
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62
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63 /* end */