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/* $OpenBSD: atomic.h,v 1.4 2007/10/27 20:36:17 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, %2, r0" : "+r"(new), "+m"(*uip) : "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, %2, r0" : "+r"(new), "+m"(*uip) : "r"(uip));
} while (old != new);
}
#endif /* defined(_KERNEL) */
#endif /* __M88K_ATOMIC_H__ */
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