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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-sparc/] [delay.h] - Rev 1633
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/* $Id: delay.h,v 1.1 2005-12-20 11:32:11 jcastillo Exp $ * delay.h: Linux delay routines on the Sparc. * * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu). */ #ifndef __SPARC_DELAY_H #define __SPARC_DELAY_H extern unsigned long loops_per_sec; extern __inline__ void __delay(unsigned long loops) { __asm__ __volatile__("cmp %0, 0\n\t" "1: bne 1b\n\t" "subcc %0, 1, %0\n" : "=&r" (loops) : "0" (loops)); } /* This is too messy with inline asm on the Sparc. */ extern void udelay(unsigned long usecs); /* calibrate_delay() wants this... */ #define muldiv(a, b, c) (((a)*(b))/(c)) #endif /* defined(__SPARC_DELAY_H) */
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