/* $OpenBSD: atomic.h,v 1.3 2007/03/21 05:28:51 miod Exp $ */ /* Public Domain */ #ifndef __M88K_ATOMIC_H__ #define __M88K_ATOMIC_H__ #if defined(_KERNEL) static __inline void atomic_setbits_int(__volatile unsigned int *uip, unsigned int v) { unsigned int old, new; do { old = *uip; new = old | v; __asm__ __volatile__ ("xmem %0, %1, r0" : "+r"(new) : "r"(uip)); } while (old != new); } static __inline void atomic_clearbits_int(__volatile unsigned int *uip, unsigned int v) { unsigned int old, new; do { old = *uip; new = old & ~v; __asm__ __volatile__ ("xmem %0, %1, r0" : "+r"(new) : "r"(uip)); } while (old != new); } #endif /* defined(_KERNEL) */ #endif /* __M88K_ATOMIC_H__ */