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149 lines
2.7 KiB
C
149 lines
2.7 KiB
C
/**
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* @file irq.h
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* @author longjin
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* @brief 中断处理程序
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* @version 0.1
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* @date 2022-01-28
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*
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* @copyright Copyright (c) 2022
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*
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*/
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#pragma once
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#include "../common/glib.h"
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#include "../process/ptrace.h"
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extern void (*interrupt_table[24])(void);
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extern void do_IRQ(struct pt_regs *regs, ul number);
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/* ========= 中断向量分配表 ==========
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0~255 IDT
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0 ~ 31 trap fault abort for system
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0 devide error
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1 debug
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2 NMI
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3 breakpoint
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4 overflow
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5 bound range
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6 undefined opcode
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7 device not available
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8 double fault
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9 coprocessor segment overrun
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10 invalid TSS
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11 segment not present
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12 stack segment fault
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13 general protection
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14 page fault
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15
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16 x87 FPU error
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17 alignment check
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18 machine check
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19 SIMD exception
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20 virtualization exception
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21 ~ 31 Do not use
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32 ~ 55 I/O APIC
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32 8259A
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33 keyboard
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34 HPET timer 0,8254 counter 0
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35 serial port A
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36 serial port B
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37 parallel port
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38 floppy
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39 parallel port
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40 RTC,HPET timer 1
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41 Generic
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42 Generic
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43 HPET timer 2
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44 HPET timer 3
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45 FERR#
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46 SATA primary
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47 SATA secondary
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48 PIRQA
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49 PIRQB
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50 PIRQC
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51 PIRQD
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52 PIRQE
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53 PIRQF
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54 PIRQG
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55 PIRQH
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0x80 system call
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150 ~ 200 Local APIC
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150 CMCI
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151 Timer
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152 Thermal Monitor
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153 Performance Counter
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154 LINT0
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155 LINT1
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156 Error
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200 ~ 255 MP IPI
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*/
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typedef struct hardware_intr_type
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{
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// 使能中断操作接口
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void (*enable)(ul irq_num);
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// 禁止中断操作接口
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void (*disable)(ul irq_num);
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// 安装中断操作接口
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ul (*install)(ul irq_num, void *arg);
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// 卸载中断操作接口
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void (*uninstall)(ul irq_num);
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// 应答中断操作接口
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void (*ack)(ul irq_num);
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} hardware_intr_controller;
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// 中断描述结构体
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typedef struct
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{
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hardware_intr_controller *controller;
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// 中断名
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char *irq_name;
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// 中断处理函数的参数
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ul parameter;
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// 中断处理函数
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void (*handler)(ul irq_num, ul parameter, struct pt_regs *regs);
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// 自定义的标志位
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ul flags;
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} irq_desc_t;
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#define IRQ_NUM 24
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irq_desc_t interrupt_desc[IRQ_NUM] = {0};
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/**
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* @brief 中断注册函数
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*
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* @param irq_num 中断向量号
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* @param arg 传递给中断安装接口的参数
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* @param handler 中断处理函数
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* @param paramater 中断处理函数的参数
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* @param controller 中断控制器结构
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* @param irq_name 中断名
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* @return int
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*/
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int irq_register(ul irq_num, void *arg, void (*handler)(ul irq_num, ul parameter, struct pt_regs *regs), ul paramater, hardware_intr_controller *controller, char *irq_name);
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/**
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* @brief 中断注销函数
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*
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* @param irq_num 中断向量号
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* @return int
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*/
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int irq_unregister(ul irq_num);
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/**
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* @brief 初始化中断模块
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*/
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void irq_init();
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