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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
#pragma once
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#include "../../../common/asm.h"
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#include"../../../process/ptrace.h"
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#include"../../../exception/irq.h"
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#include "../../../mm/mm.h"
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#define APIC_IO_APIC_VIRT_BASE_ADDR SPECIAL_MEMOEY_MAPPING_VIRT_ADDR_BASE + IO_APIC_MAPPING_OFFSET
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#define APIC_LOCAL_APIC_VIRT_BASE_ADDR SPECIAL_MEMOEY_MAPPING_VIRT_ADDR_BASE + LOCAL_APIC_MAPPING_OFFSET
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// ======== local apic 寄存器地址偏移量表 =======
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#define LOCAL_APIC_OFFSET_Local_APIC_ID 0x20
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#define LOCAL_APIC_OFFSET_Local_APIC_Version 0x30
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#define LOCAL_APIC_OFFSET_Local_APIC_TPR 0x80
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#define LOCAL_APIC_OFFSET_Local_APIC_APR 0x90
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#define LOCAL_APIC_OFFSET_Local_APIC_PPR 0xa0
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#define LOCAL_APIC_OFFSET_Local_APIC_EOI 0xb0
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#define LOCAL_APIC_OFFSET_Local_APIC_RRD 0xc0
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#define LOCAL_APIC_OFFSET_Local_APIC_LDR 0xd0
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#define LOCAL_APIC_OFFSET_Local_APIC_DFR 0xe0
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struct apic_IO_APIC_map
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{
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// 间接访问寄存器的物理基地址
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uint addr_phys;
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// 索引寄存器虚拟地址
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unsigned char* virtual_index_addr;
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// 数据寄存器虚拟地址
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uint* virtual_data_addr;
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// EOI寄存器虚拟地址
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uint* virtual_EOI_addr;
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}apic_ioapic_map;
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/**
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* @brief 中断服务程序
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*
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* @param rsp 中断栈指针
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* @param number 中断号
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*/
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void do_IRQ(struct pt_regs* rsp, ul number);
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/**
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* @brief 读取RTE寄存器
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*
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* @param index 索引值
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* @return ul
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*/
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ul apic_ioapic_read_rte(unsigned char index);
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/**
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* @brief 写入RTE寄存器
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*
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* @param index 索引值
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* @param value 要写入的值
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*/
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void apic_ioapic_write_rte(unsigned char index, ul value);
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/**
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* @brief 初始化apic控制器
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*
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*/
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void apic_init(); |