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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 | |||
| 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 | |||
| 526 | giacomo | 32 | extern void *int_arg_table[MAX_INT_TABLE]; |
| 33 | extern void *int_func_table[MAX_INT_TABLE]; |
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| 514 | giacomo | 34 | extern int intr_count; |
| 35 | |||
| 36 | /* |
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| 37 | * Generic Linux time handler. |
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| 38 | */ |
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| 39 | void linux_timer(int no) |
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| 40 | { |
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| 41 | intr_count++; |
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| 42 | |||
| 43 | if (int_func_table[no] != NULL) |
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| 44 | (*(void (*)(void *arg))int_func_table[no])(int_arg_table[no]); |
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| 45 | |||
| 46 | intr_count--; |
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| 47 | |||
| 48 | } |
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| 49 | |||
| 495 | giacomo | 50 | void add_timer(struct timer_list *timer) |
| 51 | { |
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| 52 | struct timespec timeout; |
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| 53 | |||
| 54 | jiffies_to_timespec(timer->expires, &timeout); |
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| 514 | giacomo | 55 | if (timer->function) { |
| 56 | timer->event_timer = shark_timer_set(&timeout, (void *)timer->function, (void *)timer->data); |
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| 57 | } |
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| 495 | giacomo | 58 | |
| 514 | giacomo | 59 | #ifdef TIMER_DEBUG |
| 60 | printk("Set to %ld:%ld\n",timeout.tv_sec,timeout.tv_nsec); |
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| 61 | #endif |
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| 495 | giacomo | 62 | } |
| 63 | |||
| 64 | |||
| 65 | int del_timer(struct timer_list *timer) |
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| 66 | { |
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| 514 | giacomo | 67 | |
| 68 | shark_timer_delete(timer->event_timer); |
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| 69 | return 0; |
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| 70 | |||
| 495 | giacomo | 71 | } |
| 72 | |||
| 73 | int mod_timer(struct timer_list *timer, unsigned long expires) |
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| 74 | { |
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| 514 | giacomo | 75 | |
| 522 | mauro | 76 | if (timer->event_timer != -1) shark_timer_delete(timer->event_timer); |
| 495 | giacomo | 77 | timer->expires = expires; |
| 78 | add_timer(timer); |
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| 514 | giacomo | 79 | return 0; |
| 80 | |||
| 495 | giacomo | 81 | } |
| 82 | |||
| 83 | void init_timer(struct timer_list * timer) |
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| 84 | { |
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| 85 | timer->event_timer = -1; |
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| 86 | timer->function = NULL; |
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| 87 | } |
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| 88 | |||
| 89 | int timer_pending(struct timer_list * timer){ |
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| 90 | return timer->event_timer != -1; |
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| 91 | } |
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| 92 |