Rev 522 | Rev 762 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 495 | giacomo | 1 | /* |
| 2 | * Linux timer support. |
||
| 3 | */ |
||
| 4 | |||
| 5 | #include <linuxcomp.h> |
||
| 6 | |||
| 7 | #include <linux/kernel.h> |
||
| 8 | #include <linux/timer.h> |
||
| 9 | #include <asm/param.h> |
||
| 10 | |||
| 11 | //#define TIMER_DEBUG |
||
| 12 | |||
| 13 | static inline void jiffies_to_timespec(unsigned long j, struct timespec *value) |
||
| 14 | { |
||
| 15 | value->tv_nsec = (j % HZ) * (1000000000L / HZ); |
||
| 16 | value->tv_sec = j / HZ; |
||
| 17 | } |
||
| 18 | |||
| 526 | giacomo | 19 | extern void *int_arg_table[MAX_INT_TABLE]; |
| 20 | extern void *int_func_table[MAX_INT_TABLE]; |
||
| 514 | giacomo | 21 | extern int intr_count; |
| 22 | |||
| 23 | /* |
||
| 24 | * Generic Linux time handler. |
||
| 25 | */ |
||
| 26 | void linux_timer(int no) |
||
| 27 | { |
||
| 28 | intr_count++; |
||
| 29 | |||
| 30 | if (int_func_table[no] != NULL) |
||
| 31 | (*(void (*)(void *arg))int_func_table[no])(int_arg_table[no]); |
||
| 32 | |||
| 33 | intr_count--; |
||
| 34 | |||
| 35 | } |
||
| 36 | |||
| 495 | giacomo | 37 | void add_timer(struct timer_list *timer) |
| 38 | { |
||
| 39 | struct timespec timeout; |
||
| 40 | |||
| 41 | jiffies_to_timespec(timer->expires, &timeout); |
||
| 514 | giacomo | 42 | if (timer->function) { |
| 43 | timer->event_timer = shark_timer_set(&timeout, (void *)timer->function, (void *)timer->data); |
||
| 44 | } |
||
| 495 | giacomo | 45 | |
| 514 | giacomo | 46 | #ifdef TIMER_DEBUG |
| 47 | printk("Set to %ld:%ld\n",timeout.tv_sec,timeout.tv_nsec); |
||
| 48 | #endif |
||
| 495 | giacomo | 49 | } |
| 50 | |||
| 51 | |||
| 52 | int del_timer(struct timer_list *timer) |
||
| 53 | { |
||
| 514 | giacomo | 54 | |
| 55 | shark_timer_delete(timer->event_timer); |
||
| 56 | return 0; |
||
| 57 | |||
| 495 | giacomo | 58 | } |
| 59 | |||
| 60 | int mod_timer(struct timer_list *timer, unsigned long expires) |
||
| 61 | { |
||
| 514 | giacomo | 62 | |
| 522 | mauro | 63 | if (timer->event_timer != -1) shark_timer_delete(timer->event_timer); |
| 495 | giacomo | 64 | timer->expires = expires; |
| 65 | add_timer(timer); |
||
| 514 | giacomo | 66 | return 0; |
| 67 | |||
| 495 | giacomo | 68 | } |
| 69 | |||
| 70 | void init_timer(struct timer_list * timer) |
||
| 71 | { |
||
| 72 | timer->event_timer = -1; |
||
| 73 | timer->function = NULL; |
||
| 74 | } |
||
| 75 | |||
| 76 | int timer_pending(struct timer_list * timer){ |
||
| 77 | return timer->event_timer != -1; |
||
| 78 | } |
||
| 79 |