Rev 762 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 495 | giacomo | 1 | /* |
| 2 | * Linux timer support. |
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| 3 | */ |
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| 4 | |||
| 5 | #include <linuxcomp.h> |
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| 6 | |||
| 7 | #include <linux/kernel.h> |
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| 8 | #include <linux/timer.h> |
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| 9 | #include <asm/param.h> |
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| 10 | |||
| 11 | //#define TIMER_DEBUG |
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| 12 | |||
| 762 | giacomo | 13 | unsigned long long read_jiffies() |
| 14 | { |
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| 15 | struct timespec acttime; |
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| 16 | unsigned long long temp; |
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| 17 | |||
| 18 | sys_gettime(&acttime); |
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| 19 | temp = (unsigned long long)(acttime.tv_sec) * (unsigned long long)(HZ); |
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| 20 | temp += (unsigned long long)(acttime.tv_nsec) * (unsigned long long)(HZ) / 1000000000L; |
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| 21 | |||
| 22 | return temp; |
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| 23 | |||
| 24 | } |
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| 25 | |||
| 495 | giacomo | 26 | static inline void jiffies_to_timespec(unsigned long j, struct timespec *value) |
| 27 | { |
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| 28 | value->tv_nsec = (j % HZ) * (1000000000L / HZ); |
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| 29 | value->tv_sec = j / HZ; |
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| 30 | } |
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| 31 | |||
| 1007 | mauro | 32 | /*extern void *timer_func_table[MAX_TIMER_TABLE]; |
| 33 | extern void *timer_arg_table[MAX_TIMER_TABLE]; |
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| 514 | giacomo | 34 | extern int intr_count; |
| 35 | void linux_timer(int no) |
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| 36 | { |
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| 37 | intr_count++; |
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| 38 | |||
| 1007 | mauro | 39 | if (timer_func_table[no] != NULL) |
| 40 | (*(void (*)(void *arg))timer_func_table[no])(timer_arg_table[no]); |
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| 514 | giacomo | 41 | |
| 42 | intr_count--; |
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| 1007 | mauro | 43 | }*/ |
| 514 | giacomo | 44 | |
| 1007 | mauro | 45 | /* |
| 46 | * Generic Linux time handler. |
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| 47 | */ |
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| 495 | giacomo | 48 | void add_timer(struct timer_list *timer) |
| 49 | { |
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| 50 | struct timespec timeout; |
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| 51 | |||
| 52 | jiffies_to_timespec(timer->expires, &timeout); |
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| 514 | giacomo | 53 | if (timer->function) { |
| 54 | timer->event_timer = shark_timer_set(&timeout, (void *)timer->function, (void *)timer->data); |
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| 55 | } |
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| 495 | giacomo | 56 | |
| 514 | giacomo | 57 | #ifdef TIMER_DEBUG |
| 58 | printk("Set to %ld:%ld\n",timeout.tv_sec,timeout.tv_nsec); |
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| 59 | #endif |
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| 495 | giacomo | 60 | } |
| 61 | |||
| 62 | |||
| 63 | int del_timer(struct timer_list *timer) |
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| 64 | { |
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| 514 | giacomo | 65 | |
| 66 | shark_timer_delete(timer->event_timer); |
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| 67 | return 0; |
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| 68 | |||
| 495 | giacomo | 69 | } |
| 70 | |||
| 71 | int mod_timer(struct timer_list *timer, unsigned long expires) |
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| 72 | { |
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| 514 | giacomo | 73 | |
| 522 | mauro | 74 | if (timer->event_timer != -1) shark_timer_delete(timer->event_timer); |
| 495 | giacomo | 75 | timer->expires = expires; |
| 76 | add_timer(timer); |
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| 514 | giacomo | 77 | return 0; |
| 78 | |||
| 495 | giacomo | 79 | } |
| 80 | |||
| 81 | void init_timer(struct timer_list * timer) |
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| 82 | { |
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| 83 | timer->event_timer = -1; |
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| 84 | timer->function = NULL; |
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| 85 | } |
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| 86 | |||
| 87 | int timer_pending(struct timer_list * timer){ |
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| 88 | return timer->event_timer != -1; |
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| 89 | } |
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| 90 |