2022-02-10 05:45:38 +00:00
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#pragma once
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2022-02-22 15:31:33 +00:00
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#include "glib.h"
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2022-04-05 06:40:26 +00:00
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#define MAX_CPU_NUM 32 // 操作系统支持的最大处理器数量
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2022-02-22 15:31:33 +00:00
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// cpu支持的最大cpuid指令的基础主功能号
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2022-07-11 06:33:34 +00:00
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extern uint32_t Cpu_cpuid_max_Basic_mop;
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// cpu支持的最大cpuid指令的扩展主功能号
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extern uint32_t Cpu_cpuid_max_Extended_mop;
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// cpu制造商信息
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extern char Cpu_Manufacturer_Name[17];
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// 处理器名称信息
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extern char Cpu_BrandName[49];
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// 处理器家族ID
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extern uint32_t Cpu_Family_ID;
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// 处理器扩展家族ID
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extern uint32_t Cpu_Extended_Family_ID;
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// 处理器模式ID
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extern uint32_t Cpu_Model_ID;
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// 处理器扩展模式ID
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extern uint32_t Cpu_Extended_Model_ID;
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// 处理器步进ID
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extern uint32_t Cpu_Stepping_ID;
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// 处理器类型
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extern uint32_t Cpu_Processor_Type;
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// 处理器支持的最大物理地址可寻址地址线宽度
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extern uint32_t Cpu_max_phys_addrline_size;
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// 处理器支持的最大线性地址可寻址地址线宽度
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extern uint32_t Cpu_max_linear_addrline_size;
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2022-07-27 13:05:33 +00:00
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// 处理器的tsc频率(单位:hz)(HPET定时器在测定apic频率时,顺便测定了这个值)
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extern uint64_t Cpu_tsc_freq;
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2022-02-22 15:31:33 +00:00
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/**
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* @brief 执行cpuid指令
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*
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* @param mop 主功能号
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* @param sop 子功能号
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* @param eax 结果的eax值
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* @param ebx 结果的ebx值
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* @param ecx 结果的ecx值
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* @param edx 结果的edx值
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*
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* cpuid指令参考英特尔开发手册卷2A Chapter3 3.2 Instruction
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*/
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void cpu_cpuid(uint32_t mop, uint32_t sop, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
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/**
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* @brief 初始化获取处理器信息模块
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*
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*/
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void cpu_init(void);
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struct cpu_core_info_t
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{
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uint64_t stack_start; // 栈基地址
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uint64_t ist_stack_start; // IST栈基地址
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uint64_t tss_vaddr; // tss地址
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};
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2022-07-11 10:39:59 +00:00
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extern struct cpu_core_info_t cpu_core_info[MAX_CPU_NUM];
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/**
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* @brief 获取当前cpu核心晶振频率
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*
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* @return uint32_t 当前cpu核心晶振频率
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*/
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uint32_t cpu_get_core_crysral_freq();
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