diff options
Diffstat (limited to 'include/asm-s390/timex.h')
-rw-r--r-- | include/asm-s390/timex.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h new file mode 100644 index 0000000..4848057 --- /dev/null +++ b/include/asm-s390/timex.h @@ -0,0 +1,34 @@ +/* + * include/asm-s390/timex.h + * + * S390 version + * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation + * + * Derived from "include/asm-i386/timex.h" + * Copyright (C) 1992, Linus Torvalds + */ + +#ifndef _ASM_S390_TIMEX_H +#define _ASM_S390_TIMEX_H + +#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ + +typedef unsigned long long cycles_t; + +static inline cycles_t get_cycles(void) +{ + cycles_t cycles; + + __asm__("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc"); + return cycles >> 2; +} + +static inline unsigned long long get_clock (void) +{ + unsigned long long clk; + + __asm__("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc"); + return clk; +} + +#endif |