annotate TaskManager/kernel/ppe/HTask.cc @ 1029:22d7263cec2d

copy script add.
author tkaito
date Mon, 15 Nov 2010 22:39:25 +0900
parents 33630c6ff445
children
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1 #include "HTask.h"
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2 #include "ListData.h"
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3 #include "TaskManagerImpl.h"
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4 #include "strings.h"
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5
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7 /*!
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8 manager->set_task_depend(task1, task2); // task2 は task1 の終了を待つ
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9
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10 ってやるより
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11
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12 task2->set_depend(task1);
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13
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14 ってやったほうがわかりやすいよねー的な話し合いで
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15 下のようなAPIを作りました
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16 */
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17
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18 void
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19 HTask::spawn(void)
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20 {
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21 mimpl->spawn_task(this);
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22 }
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23
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24 /*!
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25 @brief この Task が待ち合わせする Task を指定する
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26 @param[in] master この Task が終了待ち合わせをする相手の Task
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27
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28 繰り返し使用する事で複数の Task を待ち合わせする事ができる。
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29
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30 wait_for している Task の入力バッファにこの Task から書き込みできる機能があると良い
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31 */
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32 void
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33 HTask::wait_for(HTaskPtr master)
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34 {
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35 mimpl->set_task_depend(master, this);
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36 }
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37
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38 /**
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39 * タスクが実行する CPU を選択する
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40 *
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41 * 現在は CPU_PPE, CPU_SPE, SPE_ANY, SPE_0, SPE_1, ..., SPE_5
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42 * types.h に書いてます。
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43 *
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44 * mimpl によって使えるCPUが異なるので、mimpl に任せる必要がある
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45 */
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46 void
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47 HTask::set_cpu(CPU_TYPE type)
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48 {
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49 mimpl->set_task_cpu(this, type);
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50 }
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51
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52 /*!
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53 @brief このTaskが終了した時に実行する関数
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54 @param arg1, arg2 の二つの引数を持つ (Task に合わせてある)
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55 */
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56 void
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57 HTask::set_post(PostFunction func,void *arg1, void *arg2)
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58 {
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59 this->post_func = func;
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60 this->post_arg1 = arg1;
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61 this->post_arg2 = arg2;
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62 }
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65 /*!
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66 @brief まとまって実行されるTask である Task Array の作成
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67 @param id Task ID
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68 @param num_task 実行する Task の数
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69 @param num_param 一つのTaskがset_paramする数
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70 @param num_inData 一つのTaskが読み込む Data の数、set_inData の数
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71 @param num_outData 一つのTaskが書き出す Data の数、set_outData の数
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72 @return Task Array へのポインタ
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73 */
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74 Task *
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75 HTask::create_task_array(int id, int num_task, int num_param, int num_inData, int num_outData)
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76 {
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77 r_size = Task::calc_size(num_param, num_inData, num_outData)*num_task;
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78 rbuf = (memaddr) mimpl->allocate(r_size);
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79 //printf("r_size %d\n",r_size);
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80 bzero(rbuf,r_size);
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81 Task *task = (Task*)rbuf;
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82 task->init(id, num_param,num_inData,num_outData);
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83 // task->print();
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84 return task; // first task
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85 }
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87 /*!
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88 @brief Task Array の次のTask
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89 @param t 今のTaskのポインタ
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90 0 の場合は最初のTask
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91 @return 次のTaskへのポインタ
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92 */
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93 Task *
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94 HTask::next_task_array(int id, Task *t)
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95 {
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96 Task *first = (Task*)rbuf;
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97 if (t==0) {
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98 // first->print();
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99 return first;
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100 }
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101
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102 Task *next = t->next();
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103 next->init(id, first->param_count, first->inData_count, first->outData_count);
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104 if ((memaddr)next - (memaddr)rbuf > r_size)
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105 mimpl->get_scheduler()->printf("too many task array used.\n");
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106 return next;
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107 }
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108
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109 /*!
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110 @brief Task Array の中のすべてのTaskが書き込まれたかどうかをチェックする
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111 TaskArray 自体の spawn() は別に必要
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112 @param last 今のTaskのポインタ (最後である必要がある)
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113 */
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114 void
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115 HTask::spawn_task_array(Task * last)
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116 {
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117 int size = (memaddr)last - rbuf;
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118 if (size!= r_size) {
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119 mimpl->get_scheduler()->printf("spawn task array size differ size 0x%x r_size 0x%x\n",
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120 size, r_size);
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121 }
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122 }
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124
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125
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126
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127 /* end */