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annotate TaskManager/kernel/schedule/SchedTaskList.cc @ 717:4c12f679a0fa

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TaskList load timing...
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Dec 2009 12:17:31 +0900
parents 8ab63ded2c3f
children 33630c6ff445
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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)
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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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34 void
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35 SchedTaskList::read()
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36 {
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37 // next() で TaskListの中身を見られてしまうので、
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38 // ここで DMA 待ちを行う
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39 __debug("[SchedTaskList:%s]\n", __FUNCTION__);
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40 scheduler->dma_wait(DMA_READ_TASKLIST);
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41 }
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43 void
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44 SchedTaskList::exec() {
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45 }
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46
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47 void
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48 SchedTaskList::write()
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49 {
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50 }
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51
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52 /**
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53 * next は、SchedTask のものが使われる。
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54 * それで正しく動くはず。
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55 *
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56 * 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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57 *
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58 */
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60 /* end */