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Code Issues Releases Wiki Activity

🔧 将软中断更改为不可重入

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This commit is contained in:
fslongjin
2022-07-11 10:24:35 +08:00
parent dcafbef4d4
commit f4891cc8a3
6 changed files with 72 additions and 35 deletions
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2
kernel/driver/timers/HPET/HPET.c
View File

@ -66,7 +66,7 @@ void HPET_handler(uint64_t number, uint64_t param, struct pt_regs *regs)
// 若当前时间比定时任务的时间间隔大，则进入中断下半部
if (container_of(list_next(&timer_func_head.list), struct timer_func_list_t, list)->expire_jiffies <= timer_jiffies)
set_softirq_status((1 << TIMER_SIRQ));
raise_softirq((1 << TIMER_SIRQ));
// if (current_pcb->pid == 2)
// kwarn("timer_jiffies = %ld video_refresh_expire_jiffies=%ld", timer_jiffies, video_refresh_expire_jiffies);

9
kernel/driver/timers/timer.c
View File

@ -27,22 +27,19 @@ void timer_init()
void do_timer_softirq(void *data)
{
// if(current_pcb->pid==3)
// kdebug("pid3 timer irq");
struct timer_func_list_t *tmp = container_of(list_next(&timer_func_head.list), struct timer_func_list_t, list);
while ((!list_empty(&timer_func_head.list)) && (tmp->expire_jiffies <= timer_jiffies))
{
if (current_pcb->pid == 2)
kdebug("pid2 timer do");
timer_func_del(tmp);
tmp->func(tmp->data);
kfree(tmp);
tmp = container_of(list_next(&timer_func_head.list), struct timer_func_list_t, list);
}
softirq_ack(TIMER_SIRQ);
// printk_color(ORANGE, BLACK, "(HPET%ld)", timer_jiffies);
}
/**