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89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
#include "timer.h"
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#include <common/kprint.h>
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#include <exception/softirq.h>
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#include <mm/slab.h>
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#include <driver/timers/HPET/HPET.h>
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#include <process/process.h>
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struct timer_func_list_t timer_func_head;
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void test_timer()
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{
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printk_color(ORANGE, BLACK, "(test_timer)");
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}
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void timer_init()
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{
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timer_jiffies = 0;
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timer_func_init(&timer_func_head, NULL, NULL, -1UL);
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register_softirq(TIMER_SIRQ, &do_timer_softirq, NULL);
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struct timer_func_list_t *tmp = (struct timer_func_list_t *)kmalloc(sizeof(struct timer_func_list_t), 0);
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timer_func_init(tmp, &test_timer, NULL, 5);
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timer_func_add(tmp);
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kdebug("timer func initialized.");
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}
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void do_timer_softirq(void *data)
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{
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// if(current_pcb->pid==3)
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// kdebug("pid3 timer irq");
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struct timer_func_list_t *tmp = container_of(list_next(&timer_func_head.list), struct timer_func_list_t, list);
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while ((!list_empty(&timer_func_head.list)) && (tmp->expire_jiffies <= timer_jiffies))
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{
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if (current_pcb->pid == 2)
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kdebug("pid2 timer do");
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timer_func_del(tmp);
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tmp->func(tmp->data);
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kfree(tmp);
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tmp = container_of(list_next(&timer_func_head.list), struct timer_func_list_t, list);
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}
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softirq_ack(TIMER_SIRQ);
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// printk_color(ORANGE, BLACK, "(HPET%ld)", timer_jiffies);
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}
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/**
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* @brief 初始化定时功能
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*
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* @param timer_func 队列结构体
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* @param func 定时功能处理函数
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* @param data 传输的数据
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* @param expire_ms 定时时长(单位：ms)
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*/
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void timer_func_init(struct timer_func_list_t *timer_func, void (*func)(void *data), void *data, uint64_t expire_ms)
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{
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list_init(&timer_func->list);
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timer_func->func = func;
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timer_func->data = data,
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// timer_func->expire_jiffies = timer_jiffies + expire_ms / 5 + expire_ms % HPET0_INTERVAL ? 1 : 0; // 设置过期的时间片
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timer_func->expire_jiffies = cal_next_n_ms_jiffies(expire_ms); // 设置过期的时间片
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}
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/**
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* @brief 将定时功能添加到列表中
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*
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* @param timer_func 待添加的定时功能
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*/
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void timer_func_add(struct timer_func_list_t *timer_func)
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{
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struct timer_func_list_t *tmp = container_of(list_next(&timer_func_head.list), struct timer_func_list_t, list);
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if (list_empty(&timer_func_head.list) == false)
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while (tmp->expire_jiffies < timer_func->expire_jiffies)
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tmp = container_of(list_next(&tmp->list), struct timer_func_list_t, list);
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list_add(&tmp->list, &(timer_func->list));
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}
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/**
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* @brief 将定时功能从列表中删除
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*
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* @param timer_func
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*/
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void timer_func_del(struct timer_func_list_t *timer_func)
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{
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list_del(&timer_func->list);
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} |