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Rev | Author | Line No. | Line |
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1232 | giacomo | 1 | #include <func.h> |
2 | |||
3 | /* Delay Calibration */ |
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4 | int calibrate_cycle() |
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5 | { |
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6 | long long i; |
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7 | struct timespec start,end,diff; |
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8 | |||
9 | kern_cli(); |
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10 | kern_gettime(&start); |
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11 | for (i=0;i<CALIBRATION_DELTA;i++) kern_gettime(NULL); |
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12 | kern_gettime(&end); |
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13 | kern_sti(); |
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14 | |||
15 | SUBTIMESPEC(&end,&start,&diff); |
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16 | cal_cycles = TIMESPEC2USEC(&diff); |
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17 | cprintf("Calibration usec/[%d cycles] = %d\n",CALIBRATION_DELTA,cal_cycles); |
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18 | |||
19 | return 0; |
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20 | |||
21 | } |
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22 | |||
23 | void *get_task_model(task_loader *current) { |
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24 | if (current->local_scheduler == LOADER_POSIX_SCHEDULER) { |
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25 | static NRT_TASK_MODEL nrt; |
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26 | |||
27 | nrt_task_default_model(nrt); |
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28 | nrt_task_def_save_arrivals(nrt); |
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29 | nrt_task_def_ctrl_jet(nrt); |
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30 | nrt_task_def_usemath(nrt); |
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31 | |||
32 | return &nrt; |
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33 | |||
34 | } |
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35 | |||
36 | if (current->local_scheduler == LOADER_EDF_SCHEDULER) { |
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37 | static HARD_TASK_MODEL ht; |
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38 | |||
39 | hard_task_default_model(ht); |
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40 | hard_task_def_ctrl_jet(ht); |
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41 | hard_task_def_mit(ht,TIMESPEC2USEC(¤t->deadline)); |
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42 | hard_task_def_wcet(ht,TIMESPEC2USEC(¤t->wcet)); |
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43 | hard_task_def_usemath(ht); |
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44 | return &ht; |
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45 | } |
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46 | |||
47 | |||
48 | if (current->local_scheduler == LOADER_RM_SCHEDULER) { |
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49 | static HARD_TASK_MODEL ht; |
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50 | |||
51 | hard_task_default_model(ht); |
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52 | hard_task_def_mit(ht,TIMESPEC2USEC(¤t->deadline)); |
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53 | hard_task_def_wcet(ht,TIMESPEC2USEC(¤t->wcet)); |
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54 | hard_task_def_ctrl_jet(ht); |
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55 | hard_task_def_usemath(ht); |
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56 | return &ht; |
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57 | } |
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58 | |||
59 | } |
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60 | |||
61 | void set_simulation_time (struct timespec *total) { |
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62 | struct timespec end_time; |
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63 | kern_gettime(&zero_time); |
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64 | |||
65 | loader_first_execution(start_loader_task); |
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66 | |||
67 | ADDTIMESPEC(&zero_time,total,&end_time); |
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68 | kern_event_post(&end_time,(void *)((void *)(sys_end)),NULL); |
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69 | |||
70 | } |
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71 | |||
72 | void set_next_activation(struct timespec *next) { |
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73 | struct timespec end_time; |
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74 | ADDTIMESPEC(&zero_time,next,&end_time); |
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75 | kern_event_post(&end_time,(void *)((void *)(task_activate(exec_shadow))),NULL); |
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76 | } |