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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1254 | giacomo | 1 | #include "func.h" |
| 1259 | pj | 2 | #include "calibrate.h" |
| 1254 | giacomo | 3 | |
| 4 | extern int cal_cycles; |
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| 5 | extern struct timespec zero_time; |
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| 6 | extern struct loader_task loader_task_list[]; |
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| 7 | extern struct loader_contract loader_contract_list[]; |
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| 8 | extern int total_loader_task; |
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| 9 | extern int total_loader_contract; |
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| 10 | |||
| 1266 | giacomo | 11 | /* Runtime Calibration */ |
| 1254 | giacomo | 12 | int calibrate_cycle() |
| 13 | { |
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| 14 | long long i; |
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| 15 | struct timespec start,end,diff; |
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| 16 | |||
| 1255 | giacomo | 17 | if (cal_cycles != 0) return 0; |
| 1254 | giacomo | 18 | |
| 19 | kern_cli(); |
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| 20 | kern_gettime(&start); |
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| 21 | for (i=0;i<CALIBRATION_DELTA;i++) |
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| 22 | __asm__ __volatile__ ("xorl %%eax,%%eax\n\t" |
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| 23 | "cpuid\n\t" |
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| 24 | :::"eax","ebx","ecx","edx"); |
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| 25 | kern_gettime(&end); |
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| 26 | kern_sti(); |
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| 27 | |||
| 28 | SUBTIMESPEC(&end,&start,&diff); |
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| 29 | cal_cycles = TIMESPEC2USEC(&diff); |
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| 30 | cprintf("Calibration usec/[%d cycles] = %d\n",CALIBRATION_DELTA,cal_cycles); |
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| 31 | |||
| 32 | return 0; |
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| 33 | |||
| 34 | } |
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| 35 | |||
| 36 | int get_server_from_contract(int contract) |
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| 37 | { |
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| 38 | |||
| 39 | int i; |
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| 40 | |||
| 41 | for(i=0;i<total_loader_contract;i++) |
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| 42 | if (loader_contract_list[i].number == contract) |
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| 43 | return loader_contract_list[i].server; |
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| 44 | |||
| 45 | return -1; |
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| 46 | |||
| 47 | } |
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| 48 | |||
| 49 | void *get_task_model(struct loader_task *current) { |
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| 50 | if (current->local_scheduler == PAR_POSIX) { |
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| 51 | static NRT_TASK_MODEL nrt; |
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| 52 | |||
| 53 | nrt_task_default_model(nrt); |
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| 54 | nrt_task_def_save_arrivals(nrt); |
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| 55 | nrt_task_def_ctrl_jet(nrt); |
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| 56 | nrt_task_def_group(nrt,current->group); |
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| 57 | nrt_task_def_usemath(nrt); |
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| 58 | |||
| 59 | return &nrt; |
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| 60 | |||
| 61 | } |
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| 62 | |||
| 63 | if (current->local_scheduler == PAR_EDF) { |
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| 64 | static HARD_TASK_MODEL ht; |
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| 65 | |||
| 66 | hard_task_default_model(ht); |
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| 67 | hard_task_def_ctrl_jet(ht); |
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| 68 | hard_task_def_mit(ht,TIMESPEC2USEC(¤t->deadline)); |
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| 69 | hard_task_def_wcet(ht,TIMESPEC2USEC(¤t->wcet)); |
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| 70 | hard_task_def_group(ht,current->group); |
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| 1265 | giacomo | 71 | hard_task_def_aperiodic(ht); |
| 1254 | giacomo | 72 | hard_task_def_usemath(ht); |
| 73 | return &ht; |
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| 74 | } |
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| 75 | |||
| 76 | |||
| 77 | if (current->local_scheduler == PAR_RM) { |
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| 78 | static HARD_TASK_MODEL ht; |
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| 79 | |||
| 80 | hard_task_default_model(ht); |
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| 81 | hard_task_def_mit(ht,TIMESPEC2USEC(¤t->deadline)); |
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| 82 | hard_task_def_wcet(ht,TIMESPEC2USEC(¤t->wcet)); |
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| 83 | hard_task_def_ctrl_jet(ht); |
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| 84 | hard_task_def_group(ht,current->group); |
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| 85 | hard_task_def_usemath(ht); |
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| 86 | return &ht; |
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| 87 | } |
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| 88 | |||
| 89 | return NULL; |
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| 90 | |||
| 91 | } |
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| 92 | |||
| 93 | void set_simulation_time (struct timespec *total) { |
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| 94 | struct timespec end_time; |
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| 95 | |||
| 96 | ADDTIMESPEC(&zero_time,total,&end_time); |
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| 97 | kern_event_post(&end_time,(void *)((void *)(sys_end)),NULL); |
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| 98 | |||
| 99 | } |
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| 100 | |||
| 1266 | giacomo | 101 | /* Set the zero_time and post the first activation event */ |
| 1254 | giacomo | 102 | void start_simulation() { |
| 103 | |||
| 104 | int i; |
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| 105 | struct loader_task *l = loader_task_list; |
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| 106 | struct timespec end_time; |
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| 107 | |||
| 108 | i = 0; |
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| 109 | |||
| 110 | kern_gettime(&zero_time); |
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| 111 | |||
| 112 | while (i < total_loader_task) { |
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| 113 | |||
| 114 | if (l->act_number > 0) { |
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| 115 | ADDTIMESPEC(&zero_time, &l->act[0], &end_time); |
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| 116 | l->act_current++; |
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| 117 | kern_event_post(&end_time,(void *)((void *)(loader_task_activate)),l); |
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| 118 | } |
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| 119 | |||
| 120 | i++; |
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| 121 | l=&loader_task_list[i]; |
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| 122 | |||
| 123 | } |
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| 124 | |||
| 125 | } |
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| 126 | |||
| 1266 | giacomo | 127 | /* Activate task and post the new activation event */ |
| 1254 | giacomo | 128 | void loader_task_activate(struct loader_task *l) { |
| 129 | |||
| 130 | struct timespec actual_time,end_time; |
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| 131 | |||
| 132 | kern_gettime(&actual_time); |
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| 133 | group_activate(l->group); |
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| 134 | |||
| 135 | if (l->act_number > l->act_current) { |
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| 136 | |||
| 137 | ADDTIMESPEC(&actual_time, &l->act[l->act_current], &end_time); |
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| 138 | |||
| 139 | l->act_current++; |
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| 140 | kern_event_post(&end_time,(void *)((void *)(loader_task_activate)),l); |
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| 141 | |||
| 142 | } |
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| 143 | |||
| 144 | } |