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| 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 | |||
| 13 | static inline void jiffies_to_timespec(unsigned long j, struct timespec *value) |
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| 14 | { |
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| 15 | value->tv_nsec = (j % HZ) * (1000000000L / HZ); |
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| 16 | value->tv_sec = j / HZ; |
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| 17 | } |
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| 18 | |||
| 514 | giacomo | 19 | extern void *int_arg_table[64]; |
| 20 | extern void *int_func_table[64]; |
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| 21 | extern int intr_count; |
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| 22 | |||
| 23 | /* |
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| 24 | * Generic Linux time handler. |
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| 25 | */ |
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| 26 | void linux_timer(int no) |
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| 27 | { |
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| 28 | intr_count++; |
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| 29 | |||
| 30 | if (int_func_table[no] != NULL) |
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| 31 | (*(void (*)(void *arg))int_func_table[no])(int_arg_table[no]); |
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| 32 | |||
| 33 | intr_count--; |
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| 34 | |||
| 35 | } |
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| 36 | |||
| 495 | giacomo | 37 | void add_timer(struct timer_list *timer) |
| 38 | { |
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| 39 | struct timespec timeout; |
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| 40 | |||
| 41 | jiffies_to_timespec(timer->expires, &timeout); |
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| 514 | giacomo | 42 | if (timer->function) { |
| 43 | timer->event_timer = shark_timer_set(&timeout, (void *)timer->function, (void *)timer->data); |
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| 44 | } |
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| 495 | giacomo | 45 | |
| 514 | giacomo | 46 | #ifdef TIMER_DEBUG |
| 47 | printk("Set to %ld:%ld\n",timeout.tv_sec,timeout.tv_nsec); |
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| 48 | #endif |
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| 495 | giacomo | 49 | } |
| 50 | |||
| 51 | |||
| 52 | int del_timer(struct timer_list *timer) |
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| 53 | { |
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| 514 | giacomo | 54 | |
| 55 | shark_timer_delete(timer->event_timer); |
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| 56 | return 0; |
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| 57 | |||
| 495 | giacomo | 58 | } |
| 59 | |||
| 60 | int mod_timer(struct timer_list *timer, unsigned long expires) |
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| 61 | { |
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| 514 | giacomo | 62 | |
| 63 | shark_timer_delete(timer->event_timer); |
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| 495 | giacomo | 64 | timer->expires = expires; |
| 65 | add_timer(timer); |
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| 514 | giacomo | 66 | return 0; |
| 67 | |||
| 495 | giacomo | 68 | } |
| 69 | |||
| 70 | void init_timer(struct timer_list * timer) |
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| 71 | { |
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| 72 | timer->event_timer = -1; |
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| 73 | timer->function = NULL; |
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| 74 | } |
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| 75 | |||
| 76 | int timer_pending(struct timer_list * timer){ |
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| 77 | return timer->event_timer != -1; |
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| 78 | } |
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| 79 |