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🆕 完成了简单的APIC中断处理功能

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This commit is contained in:
fslongjin
2022-03-13 21:09:38 +08:00
parent 9cb628c3b9
commit ee49849158
6 changed files with 177 additions and 38 deletions
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32
kernel/driver/interrupt/apic/apic.h
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@ -3,6 +3,21 @@
#include "../../../common/asm.h"
#include"../../../process/ptrace.h"
#include"../../../exception/irq.h"
#include "../../../mm/mm.h"
#define APIC_IO_APIC_VIRT_BASE_ADDR SPECIAL_MEMOEY_MAPPING_VIRT_ADDR_BASE + IO_APIC_MAPPING_OFFSET
#define APIC_LOCAL_APIC_VIRT_BASE_ADDR SPECIAL_MEMOEY_MAPPING_VIRT_ADDR_BASE + LOCAL_APIC_MAPPING_OFFSET
// ======== local apic 寄存器地址偏移量表 =======
#define LOCAL_APIC_OFFSET_Local_APIC_ID 0x20
#define LOCAL_APIC_OFFSET_Local_APIC_Version 0x30
#define LOCAL_APIC_OFFSET_Local_APIC_TPR 0x80
#define LOCAL_APIC_OFFSET_Local_APIC_APR 0x90
#define LOCAL_APIC_OFFSET_Local_APIC_PPR 0xa0
#define LOCAL_APIC_OFFSET_Local_APIC_EOI 0xb0
#define LOCAL_APIC_OFFSET_Local_APIC_RRD 0xc0
#define LOCAL_APIC_OFFSET_Local_APIC_LDR 0xd0
#define LOCAL_APIC_OFFSET_Local_APIC_DFR 0xe0
struct apic_IO_APIC_map
{
@ -24,6 +39,23 @@ struct apic_IO_APIC_map
*/
void do_IRQ(struct pt_regs* rsp, ul number);
/**
* @brief 读取RTE寄存器
*
* @param index 索引值
* @return ul
*/
ul apic_ioapic_read_rte(unsigned char index);
/**
* @brief 写入RTE寄存器
*
* @param index 索引值
* @param value 要写入的值
*/
void apic_ioapic_write_rte(unsigned char index, ul value);
/**
* @brief 初始化apic控制器
*