diff options
Diffstat (limited to 'include/asm-ppc64/timex.h')
-rw-r--r-- | include/asm-ppc64/timex.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-ppc64/timex.h b/include/asm-ppc64/timex.h new file mode 100644 index 000000000000..8db4da4064cd --- /dev/null +++ b/include/asm-ppc64/timex.h @@ -0,0 +1,26 @@ +/* + * linux/include/asm-ppc/timex.h + * + * PPC64 architecture timex specifications + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _ASMPPC64_TIMEX_H +#define _ASMPPC64_TIMEX_H + +#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ + +typedef unsigned long cycles_t; + +static inline cycles_t get_cycles(void) +{ + cycles_t ret; + + __asm__ __volatile__("mftb %0" : "=r" (ret) : ); + return ret; +} + +#endif |