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🆕 获取核心晶振频率的函数

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This commit is contained in:
fslongjin
2022-07-11 18:39:59 +08:00
parent 717c7a6715
commit 7d64ad6c1a
2 changed files with 36 additions and 6 deletions
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10
kernel/common/cpu.h
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@ -56,4 +56,12 @@ struct cpu_core_info_t
uint64_t tss_vaddr; // tss地址
};
extern struct cpu_core_info_t cpu_core_info[MAX_CPU_NUM];
extern struct cpu_core_info_t cpu_core_info[MAX_CPU_NUM];
/**
* @brief 获取当前cpu核心晶振频率
*
* @return uint32_t 当前cpu核心晶振频率
*/
uint32_t cpu_get_core_crysral_freq();