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495 giacomo 1
/*
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 * Linux timer support.
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 */
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#include <linuxcomp.h>
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#include <linux/kernel.h>
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#include <linux/timer.h>
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#include <asm/param.h>
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//#define TIMER_DEBUG
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static inline void jiffies_to_timespec(unsigned long j, struct timespec *value)
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{
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        value->tv_nsec = (j % HZ) * (1000000000L / HZ);
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        value->tv_sec = j / HZ;
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}
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526 giacomo 19
extern void *int_arg_table[MAX_INT_TABLE];
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extern void *int_func_table[MAX_INT_TABLE];
514 giacomo 21
extern int intr_count;
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/*
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 * Generic Linux time handler.
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 */
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void linux_timer(int no)
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{
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        intr_count++;
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        if (int_func_table[no] != NULL)
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                (*(void (*)(void *arg))int_func_table[no])(int_arg_table[no]);
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        intr_count--;
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}
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495 giacomo 37
void add_timer(struct timer_list *timer)
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{
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        struct timespec timeout;
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        jiffies_to_timespec(timer->expires, &timeout);
514 giacomo 42
        if (timer->function) {
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                timer->event_timer = shark_timer_set(&timeout, (void *)timer->function, (void *)timer->data);
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        }
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514 giacomo 46
        #ifdef TIMER_DEBUG
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          printk("Set to %ld:%ld\n",timeout.tv_sec,timeout.tv_nsec);
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        #endif
495 giacomo 49
}
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int del_timer(struct timer_list *timer)
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{
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        shark_timer_delete(timer->event_timer);
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        return 0;
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495 giacomo 58
}
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int mod_timer(struct timer_list *timer, unsigned long expires)
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{
514 giacomo 62
 
522 mauro 63
        if (timer->event_timer != -1) shark_timer_delete(timer->event_timer);
495 giacomo 64
        timer->expires = expires;
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        add_timer(timer);
514 giacomo 66
        return 0;
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495 giacomo 68
}
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void init_timer(struct timer_list * timer)
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{
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        timer->event_timer = -1;
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        timer->function = NULL;
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}
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int timer_pending(struct timer_list * timer){
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        return timer->event_timer != -1;
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}
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