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 000000000000..22b0806161bb --- /dev/null +++ b/arch/blackfin/include/asm/timex.h | |||
@@ -0,0 +1,23 @@ | |||
1 | /* | ||
2 | * asm-blackfin/timex.h: cpu cycles! | ||
3 | * | ||
4 | * Copyright 2004-2008 Analog Devices Inc. | ||
5 | * | ||
6 | * Licensed under the GPL-2 or later. | ||
7 | */ | ||
8 | |||
9 | #ifndef _ASM_BLACKFIN_TIMEX_H | ||
10 | #define _ASM_BLACKFIN_TIMEX_H | ||
11 | |||
12 | #define CLOCK_TICK_RATE 1000000 /* Underlying HZ */ | ||
13 | |||
14 | typedef unsigned long long cycles_t; | ||
15 | |||
16 | static inline cycles_t get_cycles(void) | ||
17 | { | ||
18 | unsigned long tmp, tmp2; | ||
19 | __asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); | ||
20 | return tmp | ((cycles_t)tmp2 << 32); | ||
21 | } | ||
22 | |||
23 | #endif | ||