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annotate TaskManager/kernel/ppe/Task.cc @ 648:f1e10ba45d28

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Mail modification. Working on Mac OS X.
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 21 Nov 2009 20:14:45 +0900
parents 8843edf37c0e
children d753b4f6b129
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1 #include "Task.h"
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2
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3 /**
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4 * タスクの入力データを追加する
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5 *
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6 * @param [addr] add input data
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7 * @param [size] size of data at [addr]
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8 *
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9 * @return if ([ret] == 0) ? success : failuer;
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10 */
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11 int
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12 Task::add_inData_t(memaddr addr, int size)
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13 {
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14 return add_data(inData, addr, size);
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15 }
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16
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17 /**
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18 * タスクの出力先を追加する
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19 *
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20 * @param[in] addr Address at out data
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21 * @param[in] size Size of data transfer
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22 *
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23 * @return if ([ret] == 0) ? success : failuer;
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24 */
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25 int
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26 Task::add_outData_t(memaddr addr, int size)
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27 {
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28 return add_data(outData, addr, size);
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29 }
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30
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31 /**
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32 * エラーの時に -1 を返す、ってことするよりは
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33 * perror みたいにしたほうがわかりやすいかな。
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34 *
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35 * 現在は MAX_PARAMS 個まで。
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36 * 本当は、MAX_PARAMS個以上にすると task->param[] には アドレスが入り
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37 * そのアドレスは メインメモリでアロケートされた int の集合。
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38 */
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39
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40 // こちらのAPIは、受け側と出力側での対応を良く見れない。廃止の方向。
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41 int
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42 Task::add_param0(memaddr _param)
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43 {
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44 if (param_size >= MAX_PARAMS) return -1;
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46 this->param[param_size++] = _param;
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47 return 0;
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48 }
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49
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50 int
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51 Task::set_param0(int index, memaddr _param)
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52 {
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53 if (index >= MAX_PARAMS) return -1;
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54
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55 this->param[index] = _param;
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56 return 0;
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57 }
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58
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59 /*
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60 * エラーの時に -1 を返す、ってことするよりは
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61 * perror みたいにしたほうがわかりやすいかな。
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62 */
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63 int
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64 Task::add_data(ListData& list, memaddr addr, int size)
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65 {
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66 if (list.length >= MAX_LIST_DMA_SIZE) return -1;
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67
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68 list.bound[list.length] = list.size;
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69
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70 // size でも制限かけるべき？
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71 list.size += size;
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72
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73 ListElementPtr elm = &list.element[list.length++];
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74 #ifdef __CERIUM_CELL__
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75 elm->addr = (uint32)(unsigned long)addr;
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76 #else
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77 elm->addr = addr;
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78 #endif
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79 elm->size = size;
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80
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81 return 0;
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82 }