diff options
Diffstat (limited to 'include/asm-x86_64/timex.h')
| -rw-r--r-- | include/asm-x86_64/timex.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h index a4493a77d64..a0174757aee 100644 --- a/include/asm-x86_64/timex.h +++ b/include/asm-x86_64/timex.h @@ -20,6 +20,17 @@ extern int read_current_timer(unsigned long *timer_value); #define ARCH_HAS_READ_CURRENT_TIMER 1 +#define USEC_PER_TICK (USEC_PER_SEC / HZ) +#define NSEC_PER_TICK (NSEC_PER_SEC / HZ) +#define FSEC_PER_TICK (FSEC_PER_SEC / HZ) + +#define NS_SCALE 10 /* 2^10, carefully chosen */ +#define US_SCALE 32 /* 2^32, arbitralrily chosen */ + extern struct vxtime_data vxtime; +extern unsigned int do_gettimeoffset_hpet(void); +extern unsigned int do_gettimeoffset_tsc(void); +extern void set_cyc2ns_scale(unsigned long khz); +extern int notsc; #endif |