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增加了Local APIC寄存器地址映射的定义

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This commit is contained in:
fslongjin 2022-03-13 22:36:29 +08:00
parent ee49849158
commit c187ef152a
1 changed files with 67 additions and 13 deletions
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80
kernel/driver/interrupt/apic/apic.h
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@ -1,16 +1,18 @@
#pragma once
#include "../../../common/asm.h"
#include"../../../process/ptrace.h"
#include"../../../exception/irq.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 =======
// 0x00~0x10 Reserved.
#define LOCAL_APIC_OFFSET_Local_APIC_ID 0x20
#define LOCAL_APIC_OFFSET_Local_APIC_Version 0x30
// 0x40~0x70 Reserved.
#define LOCAL_APIC_OFFSET_Local_APIC_TPR 0x80
#define LOCAL_APIC_OFFSET_Local_APIC_APR 0x90
#define LOCAL_APIC_OFFSET_Local_APIC_PPR 0xa0
@ -18,39 +20,91 @@
#define LOCAL_APIC_OFFSET_Local_APIC_RRD 0xc0
#define LOCAL_APIC_OFFSET_Local_APIC_LDR 0xd0
#define LOCAL_APIC_OFFSET_Local_APIC_DFR 0xe0
#define LOCAL_APIC_OFFSET_Local_APIC_SVR 0xf0
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_31_0 0x100
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_63_32 0x110
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_95_64 0x120
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_127_96 0x130
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_159_128 0x140
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_191_160 0x150
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_223_192 0x160
#define LOCAL_APIC_OFFSET_Local_APIC_ISR_255_224 0x170
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_31_0 0x180
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_63_32 0x190
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_95_64 0x1a0
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_127_96 0x1b0
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_159_128 0x1c0
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_191_160 0x1d0
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_223_192 0x1e0
#define LOCAL_APIC_OFFSET_Local_APIC_TMR_255_224 0x1f0
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_31_0 0x200
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_63_32 0x210
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_95_64 0x220
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_127_96 0x230
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_159_128 0x240
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_191_160 0x250
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_223_192 0x260
#define LOCAL_APIC_OFFSET_Local_APIC_IRR_255_224 0x270
#define LOCAL_APIC_OFFSET_Local_APIC_ESR 0x280
// 0x290~0x2e0 Reserved.
#define LOCAL_APIC_OFFSET_Local_APIC_LVT_CMCI 0x2f0
#define LOCAL_APIC_OFFSET_Local_APIC_ICR_31_0 0x300
#define LOCAL_APIC_OFFSET_Local_APIC_ICR_63_32 0x310
#define LOCAL_APIC_OFFSET_Local_APIC_LVT_TIMER 0x320
#define LOCAL_APIC_OFFSET_Local_APIC_LVT_THERMAL 0x330
#define LOCAL_APIC_OFFSET_Local_APIC_LVT_PERFORMANCE_MONITOR 0x340
#define LOCAL_APIC_OFFSET_Local_APIC_LVT_LINT0 0x350
#define LOCAL_APIC_OFFSET_Local_APIC_LVT_LINT1 0x360
#define LOCAL_APIC_OFFSET_Local_APIC_LVT_ERROR 0x370
// 初始计数寄存器（定时器专用）
#define LOCAL_APIC_OFFSET_Local_APIC_INITIAL_COUNT_REG 0x380
// 当前计数寄存器（定时器专用）
#define LOCAL_APIC_OFFSET_Local_APIC_CURRENT_COUNT_REG 0x390
// 0x3A0~0x3D0 Reserved.
// 分频配置寄存器（定时器专用）
#define LOCAL_APIC_OFFSET_Local_APIC_CLKDIV 0x3e0
struct apic_IO_APIC_map
{
// 间接访问寄存器的物理基地址
uint addr_phys;
// 索引寄存器虚拟地址
unsigned char* virtual_index_addr;
unsigned char *virtual_index_addr;
// 数据寄存器虚拟地址
uint* virtual_data_addr;
uint *virtual_data_addr;
// EOI寄存器虚拟地址
uint* virtual_EOI_addr;
}apic_ioapic_map;
uint *virtual_EOI_addr;
} apic_ioapic_map;
/**
* @brief 中断服务程序
*
*
* @param rsp 中断栈指针
* @param number 中断号
*/
void do_IRQ(struct pt_regs* rsp, ul number);
void do_IRQ(struct pt_regs *rsp, ul number);
/**
* @brief 读取RTE寄存器
*
*
* @param index 索引值
* @return ul
* @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
*/
@ -58,6 +112,6 @@ void apic_ioapic_write_rte(unsigned char index, ul value);
/**
* @brief 初始化apic控制器
*
*
*/
void apic_init();