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annotate TaskManager/kernel/schedule/SchedTaskBase.h @ 941:0c11c2fd7e63

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add no_auto_free flag on HTask
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 31 Jul 2010 17:50:38 +0900
parents 49b3c753e209
children 33630c6ff445
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1 #ifndef INCLUDED_SCHED_TASK_BASE
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2 #define INCLUDED_SCHED_TASK_BASE
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3
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4 #include "base.h"
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7
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8 class TaskManagerImpl;
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9 class Scheduler;
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10 class MemorySegment;
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11 class MemList;
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12 class HTask;
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13
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14 class SchedTaskBase {
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15 public:
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16 /* constructor */
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17 // void *called ; // for debug
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18 SchedTaskBase() {
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19 // called = __builtin_return_address(1);
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20 }
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21 virtual ~SchedTaskBase() {}
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23 BASE_NEW_DELETE(SchedTaskBase);
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24
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25 // noaction in default
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26 // virtual void load() {}
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27 virtual void read() {}
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28 virtual void exec() {}
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29 virtual void write() {}
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30 virtual SchedTaskBase* next(Scheduler *, SchedTaskBase*) {return 0;}
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32 /* functions */
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33 virtual void* get_output(void *buff, int index) { return 0; }
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34 virtual void* get_input(void *buff, int index) { return 0;}
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35 virtual memaddr get_param(int index) { return 0;}
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36 virtual int read_size() { return 0;}
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37 virtual int printf(const char * format, ...) {return 0;};
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39 virtual memaddr get_inputAddr(int index) {return 0;}
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40 virtual memaddr get_outputAddr(int index) {return 0;}
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41 virtual int get_inputSize(int index) {return 0;}
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42 virtual int get_outputSize(int index) {return 0;}
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44 virtual int get_cpuid() {return 0;}
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46 virtual void* global_alloc(int id, int size) {return 0;}
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47 virtual void* global_get(int id) {return 0;}
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48 virtual void global_set(int id, void *addr) {}
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49 virtual void global_free(int id) {}
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50 virtual MemList* createMemList(int size, int count) {return 0;}
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52 virtual void mainMem_alloc(int id, int size) {}
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53 virtual void mainMem_wait() {}
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54 virtual memaddr mainMem_get(int id) {return 0; }
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56 virtual MemorySegment * get_segment(memaddr addr, MemList *m) {return 0; }
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57 virtual uint32 get_tag() {return 0; }
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58 virtual void put_segment(MemorySegment *s) {}
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59 virtual void wait_segment(MemorySegment *s) {}
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61 virtual void *allocate(int size) {return 0; }
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62 virtual void free_(void *p) {}
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63 // virtual void polling();
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65 /* これは禁止するべき */
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66 virtual void dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) {}
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67 virtual void dma_store(void *buf,memaddr addr, uint32 size, uint32 mask) {}
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68 virtual void dma_wait(uint32 mask) {}
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70 virtual void show_dma_wait() {}
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71 virtual void start_profile() {}
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72 virtual void* allocate(int size,int align) {return 0;}
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73 virtual Scheduler* get_scheduler() {return 0;}
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74 virtual long get_random() {return 0;}
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75 virtual void free_htask(HTask *h) {}
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76
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77 /* variables */
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78
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79 // SchedTask は、すべて同じ大きさであるべきなので、継承するクラスには、
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80 // 変数を置かない。ここに、すべて置く。virtual も含めて。
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81
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82 // Task を実行するスケジューラ自身
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83 Scheduler *scheduler;
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84 // Task を作成管理するマネージャー
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85 TaskManagerImpl *manager;
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86
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87 SimpleTaskPtr task;
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88 TaskPtr atask;
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89 SchedTaskBase *savedTask;
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90
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91 // 現在スケジューラが実行している TaskList と、このタスクに対応する Task
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92 TaskListPtr list;
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93 // Task の、Tasklist での位置。(task = &list[cur_index-1])
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94 int cur_index;
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95
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96 memaddr params_addr;
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97 memaddr waiter;
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98 Task *array;
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99
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100 /**
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101 * read データ、write 用のバッファ
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102 * readbuf には タスク登録時に設定した入力データが入っている。
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103 * writebuf にデータを描き込んでおくと、
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104 * タスク登録時に設定した出力先に書き込む
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105 */
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106 void *readbuf;
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107 void *writebuf;
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108
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109 /* system call */
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110
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111 FILE *stdout_;
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112 FILE *stderr_;
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113 FILE *stdin_;
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114
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115 // Task Array しか使わないが、たいした大きさではないのでいいか...
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116 ListData inListData;
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117 ListData outListData;
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118
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119 } ;
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121 #endif