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annotate TaskManager/kernel/schedule/SchedTaskBase.h @ 916:deed1449a5f4 draft

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make SchedTask API virtual (for relocation)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 24 Jul 2010 18:41:24 +0900
parents 1b9418af3127
children e66a08b5cd83
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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
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13 class SchedTaskBase {
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14 public:
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15 /* constructor */
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16 // void *called ; // for debug
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17 SchedTaskBase() {
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18 // called = __builtin_return_address(1);
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19 }
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20 virtual ~SchedTaskBase() {}
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22 BASE_NEW_DELETE(SchedTaskBase);
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23
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24 // noaction in default
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25 // virtual void load() {}
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26 virtual void read() {}
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27 virtual void exec() {}
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28 virtual void write() {}
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29 virtual SchedTaskBase* next(Scheduler *, SchedTaskBase*) {return 0;}
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30
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31 /* functions */
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32 virtual void* get_output(void *buff, int index) { return 0; }
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33 virtual void* get_input(void *buff, int index) { return 0;}
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34 virtual memaddr get_param(int index) { return 0;}
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35 virtual int read_size() { return 0;}
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36 virtual int printf(const char * format, ...) {return 0;};
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38 virtual memaddr get_inputAddr(int index) {return 0;}
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39 virtual memaddr get_outputAddr(int index) {return 0;}
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40 virtual int get_inputSize(int index) {return 0;}
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41 virtual int get_outputSize(int index) {return 0;}
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43 virtual int get_cpuid() {return 0;}
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45 virtual void* global_alloc(int id, int size) {return 0;}
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46 virtual void* global_get(int id) {return 0;}
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47 virtual void global_set(int id, void *addr) {}
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48 virtual void global_free(int id) {}
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49 // virtual MemList* createMemList(int size, int count);
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50
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51 virtual void mainMem_alloc(int id, int size) {}
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52 virtual void mainMem_wait() {}
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53 virtual memaddr mainMem_get(int id) {return 0; }
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55 virtual MemorySegment * get_segment(memaddr addr, MemList *m) {return 0; }
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56 virtual uint32 get_tag() {return 0; }
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57 virtual void put_segment(MemorySegment *s) {}
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58 virtual void wait_segment(MemorySegment *s) {}
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59
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60 virtual void *allocate(int size) {return 0; }
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61 virtual void free_(void *p) {}
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62 // virtual void polling();
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63
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64 /* これは禁止するべき */
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65 virtual void dma_load(void *buf, memaddr addr, uint32 size, uint32 mask) {}
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66 virtual void dma_store(void *buf,memaddr addr, uint32 size, uint32 mask) {}
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67 virtual void dma_wait(uint32 mask) {}
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68
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69 virtual void show_dma_wait() {}
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70 virtual void start_profile() {}
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71 virtual void* allocate(int size,int align) {return 0;}
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72 virtual Scheduler* get_scheduler() {return 0;}
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73 virtual long get_random() {return 0;}
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74
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75 /* variables */
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76
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77 // 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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78 // 変数を置かない。ここに、すべて置く。virtual も含めて。
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79
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80 // Task を実行するスケジューラ自身
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81 Scheduler *scheduler;
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82 // Task を作成管理するマネージャー
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83 TaskManagerImpl *manager;
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84
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85 SimpleTaskPtr task;
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86 TaskPtr atask;
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87 SchedTaskBase *savedTask;
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88
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89 // 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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90 TaskListPtr list;
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91 // Task の、Tasklist での位置。(task = &list[cur_index-1])
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92 int cur_index;
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93
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94 memaddr params_addr;
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95 memaddr waiter;
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96 Task *array;
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97
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98 /**
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99 * read データ、write 用のバッファ
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100 * 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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101 * writebuf にデータを描き込んでおくと、
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102 * タスク登録時に設定した出力先に書き込む
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103 */
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104 void *readbuf;
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105 void *writebuf;
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106
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107 /* system call */
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108
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109 FILE *stdout_;
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110 FILE *stderr_;
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111 FILE *stdin_;
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112
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113 // 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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114 ListData inListData;
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115 ListData outListData;
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116
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117 } ;
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118
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119 #endif