diff options
Diffstat (limited to 'arch/blackfin/include/asm/timex.h')
| -rw-r--r-- | arch/blackfin/include/asm/timex.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/timex.h b/arch/blackfin/include/asm/timex.h new file mode 100644 index 00000000000..248aeb06680 --- /dev/null +++ b/arch/blackfin/include/asm/timex.h @@ -0,0 +1,23 @@ +/* + * asm-blackfin/timex.h: cpu cycles! + * + * Copyright 2004-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _ASM_BLACKFIN_TIMEX_H +#define _ASM_BLACKFIN_TIMEX_H + +#define CLOCK_TICK_RATE 1000000 /* Underlying HZ */ + +typedef unsigned long long cycles_t; + +static inline cycles_t get_cycles(void) +{ + unsigned long tmp, tmp2; + __asm__ __volatile__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); + return tmp | ((cycles_t)tmp2 << 32); +} + +#endif |