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🆕 测量local apic定时器频率

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fslongjin
2022-07-11 18:40:23 +08:00
parent 7d64ad6c1a
commit 4c9719f477
11 changed files with 260 additions and 54 deletions
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14
kernel/driver/timers/HPET/HPET.h
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@ -7,4 +7,16 @@
#define E_HPET_INIT_FAILED 1
#define HPET0_INTERVAL 5 // HPET0定时器的中断间隔为5ms
int HPET_init();
int HPET_init();
/**
* @brief 测定apic定时器的频率
*
*/
void HPET_measure_apic_timer_freq();
/**
* @brief 启用HPET周期中断（5ms）
*
*/
void HPET_enable();