软中断处理机制

kernel/exception/softirq.h

@@ -0,0 +1,56 @@
+/**
+ * @file softirq.h
+ * @author fslongjin (longjin@RinGoTek.cn)
+ * @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();