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[Blackfin] arch: actually implement get_cycles function

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Signed-off-by: Mike Frysinger <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
This commit is contained in:
Mike Frysinger 2008-04-24 05:07:29 +08:00 • committed by Bryan Wu
commit 764cb81cdc
2 changed files with 13 additions and 9 deletions
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17
include/asm-blackfin/timex.h
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@ -1,18 +1,23 @@
/* blackfin architecture timex specifications: Lineo Inc. 2001
/*
* asm-blackfin/timex.h: cpu cycles!
*
* Based on: include/asm-m68knommu/timex.h
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _ASMBLACKFIN_TIMEX_H
#define _ASMBLACKFIN_TIMEX_H
#ifndef _ASM_BLACKFIN_TIMEX_H
#define _ASM_BLACKFIN_TIMEX_H
#define CLOCK_TICK_RATE 1000000 /* Underlying HZ */
typedef unsigned long cycles_t;
typedef unsigned long long cycles_t;
static inline cycles_t get_cycles(void)
{
return 0;
unsigned long tmp, tmp2;
__asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2));
return tmp | ((cycles_t)tmp2 << 32);
}
#endif