DragonOS/kernel/exception/softirq.h

/**
 * @file softirq.h
 * @author fslongjin ([email protected])
 * @brief 软中断
 * @version 0.1
 * @date 2022-04-08
 * 
 * @copyright Copyright (c) 2022
 * 
 */
#pragma once

#include<common/glib.h>

#define MAX_SOFTIRQ_NUM 64

#define TIMER_SIRQ (1<<0)   // 时钟软中断号

uint64_t softirq_status = 0;

struct softirq_t
{
    void (*action)(void* data); // 软中断处理函数
    void* data;
};

struct softirq_t softirq_vector[MAX_SOFTIRQ_NUM] = {0};


/**
 * @brief 软中断注册函数
 * 
 * @param irq_num 软中断号
 * @param action 响应函数
 * @param data 响应数据结构体
 */
void register_softirq(uint32_t irq_num, void (*action)(void * data), void* data);

/**
 * @brief 卸载软中断
 * 
 * @param irq_num 软中断号
 */
void unregister_softirq(uint32_t irq_num);

void set_softirq_status(uint64_t status);
uint64_t get_softirq_status();

/**
 * @brief 软中断处理程序
 * 
 */
void do_softirq();


void softirq_init();