diff options
Diffstat (limited to 'include/asm-x86_64/timex.h')
-rw-r--r-- | include/asm-x86_64/timex.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h new file mode 100644 index 0000000..34f31a1 --- /dev/null +++ b/include/asm-x86_64/timex.h @@ -0,0 +1,31 @@ +/* + * linux/include/asm-x86_64/timex.h + * + * x86-64 architecture timex specifications + */ +#ifndef _ASMx8664_TIMEX_H +#define _ASMx8664_TIMEX_H + +#include <linux/config.h> +#include <asm/8253pit.h> +#include <asm/msr.h> +#include <asm/vsyscall.h> +#include <asm/hpet.h> + +#define CLOCK_TICK_RATE PIT_TICK_RATE /* Underlying HZ */ + +typedef unsigned long long cycles_t; + +static inline cycles_t get_cycles (void) +{ + unsigned long long ret; + + rdtscll(ret); + return ret; +} + +extern unsigned int cpu_khz; + +extern struct vxtime_data vxtime; + +#endif |