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1 | /* |
2 | * asm-blackfin/timex.h: cpu cycles! | |
1394f032 | 3 | * |
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4 | * Copyright 2004-2008 Analog Devices Inc. |
5 | * | |
6 | * Licensed under the GPL-2 or later. | |
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7 | */ |
8 | ||
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9 | #ifndef _ASM_BLACKFIN_TIMEX_H |
10 | #define _ASM_BLACKFIN_TIMEX_H | |
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11 | |
12 | #define CLOCK_TICK_RATE 1000000 /* Underlying HZ */ | |
13 | ||
764cb81c | 14 | typedef unsigned long long cycles_t; |
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15 | |
16 | static inline cycles_t get_cycles(void) | |
17 | { | |
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18 | unsigned long tmp, tmp2; |
19 | __asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); | |
20 | return tmp | ((cycles_t)tmp2 << 32); | |
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21 | } |
22 | ||
23 | #endif |