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annotate TaskManager/Cell/spe/CellScheduler.cc @ 1001:61f33945f85d

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error fix.
author root@henri.cr.ie.u-ryukyu.ac.jp
date Thu, 21 Oct 2010 21:39:47 +0900
parents 451ddde9a16d
children
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1 #include <stdio.h>
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2 #include "CellScheduler.h"
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3 #include "CellDmaManager.h"
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4 #include "error.h"
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5
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6 // ユーザプログラムで定義
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7 // なんだけど、それは微妙じゃね？
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8 extern void task_init(Scheduler *scheduler);
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9 extern unsigned long long alloc_flag;
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11 void
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12 CellScheduler::init_impl()
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13 {
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14 connector = new CellDmaManager;
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15
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16 mainMemNum = 0;
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17
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18 task_init(this); // PPE側ではUser 側で既に呼んでいる...
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19 // SPE側はここで呼び出す必要がある
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20 // Fifo ではSPEは無いので呼び出されない
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21 }
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23 /**
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24 * メインメモリ領域を allocate する。
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25 * allocate した領域のアドレスは mainMem_get で取得するが、
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26 * mainMem_get を実行できるのは
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27 * Renew Task (タスク内で create した Task) から。
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28 * alloc してすぐ get しても、アドレス何も入ってないです。
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29 */
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30 void
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31 CellScheduler::mainMem_alloc(int id, int size)
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32 {
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33 mainMemList[id] = (memaddr)NULL;
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34
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35 // flag on. (unsigned long long)
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36 alloc_flag = 1;
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38 mainMemNum++;
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39 mail_write((memaddr)MY_SPE_COMMAND_MALLOC);
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40 mail_write((memaddr)id);
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41 mail_write((memaddr)size);
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42 }
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44 void
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45 CellScheduler::mainMem_wait()
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46 {
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47 unsigned long id;
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48 memaddr addr;
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49
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50 while (mainMemNum > 0) {
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51 id = (unsigned long)mail_read();
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52 addr = mail_read();
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53
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54 mainMemList[id] = (memaddr)addr;
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55 mainMemNum--;
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56 }
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57 }
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59 /*
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60 dma channel を返す
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61 本来、SPU用に閉じているはず。ユーザが明示的に使うことはない。
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62 良くわからないが、ある分だけcounterで廻せば良い。しかし、
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63 そのためには、全部で、get_tag()する必要があるはず。
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65 */
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67 // #define TEX_LOAD1 0
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68 // #define TEX_LOAD2 1
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70 uint32
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71 CellScheduler::get_tag()
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72 {
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73 static int count = 0;
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74 return (count++ % 8)+16;
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75 }
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79 /* end */