2 * delay.h: Linux delay routines on the Sparc.
4 * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu).
7 #ifndef __SPARC_DELAY_H
8 #define __SPARC_DELAY_H
10 #include <asm/cpudata.h>
12 static inline void __delay(unsigned long loops)
14 __asm__ __volatile__("cmp %0, 0\n\t"
22 /* This is too messy with inline asm on the Sparc. */
23 extern void __udelay(unsigned long usecs, unsigned long lpj);
24 extern void __ndelay(unsigned long nsecs, unsigned long lpj);
27 #define __udelay_val cpu_data(smp_processor_id()).udelay_val
29 #define __udelay_val loops_per_jiffy
31 #define udelay(__usecs) __udelay(__usecs, __udelay_val)
32 #define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val)
34 #endif /* defined(__SPARC_DELAY_H) */