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| author | Bryan Wu <cooloney@kernel.org> | 2008-08-27 04:51:02 +0200 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-08-27 04:51:02 +0200 |
| commit | 639f6571458948b5112be2cf00c0c2c04db2897d (patch) | |
| tree | a4dd7af33d0e92c935ba1e904f6fb7e923ac825e /arch/blackfin/include/asm/timex.h | |
| parent | Blackfin arch: fix bug - MPU crashes under stress (diff) | |
| download | linux-639f6571458948b5112be2cf00c0c2c04db2897d.tar.xz linux-639f6571458948b5112be2cf00c0c2c04db2897d.zip | |
Blackfin arch: move include/asm-blackfin header files to arch/blackfin
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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 000000000000..22b0806161bb --- /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__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); + return tmp | ((cycles_t)tmp2 << 32); +} + +#endif |