timex.h
来自「linux 内核源代码」· C头文件 代码 · 共 19 行
H
19 行
/* x86 architecture timex specifications */#ifndef _ASM_X86_TIMEX_H#define _ASM_X86_TIMEX_H#include <asm/processor.h>#include <asm/tsc.h>#ifdef CONFIG_X86_ELAN# define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */#else# define PIT_TICK_RATE 1193182 /* Underlying HZ */#endif#define CLOCK_TICK_RATE PIT_TICK_RATEextern int read_current_timer(unsigned long *timer_value);#define ARCH_HAS_READ_CURRENT_TIMER 1#endif
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