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#ifndef __ARCH_M68K_ATOMIC__
#define __ARCH_M68K_ATOMIC__
 
#include <linux/config.h>
 
/*
 * Atomic operations that C can't guarantee us.  Useful for
 * resource counting etc..
 */
 
/*
 * We do not have SMP m68k systems, so we don't have to deal with that.
 */
 
typedef int atomic_t;
 
static __inline__ void atomic_add(atomic_t i, atomic_t *v)
{
#ifdef CONFIG_COLDFIRE
	__asm__ __volatile__(
		"movel %1,%/d0\t\n"
		"addl %/d0,%0"
		:
		: "m" (*v), "id" (i)
		: "d0");
#else
	__asm__ __volatile__("addl %1,%0" : : "m" (*v), "id" (i));
#endif
}
 
static __inline__ void atomic_sub(atomic_t i, atomic_t *v)
{
#ifdef CONFIG_COLDFIRE
	__asm__ __volatile__(
		"movel %1,%/d0\t\n"
		"subl %/d0,%0"
		:
		: "m" (*v), "id" (i)
		: "d0");
#else
	__asm__ __volatile__("subl %1,%0" : : "m" (*v), "id" (i));
#endif
}
 
static __inline__ void atomic_inc(atomic_t *v)
{
	__asm__ __volatile__("addql #1,%0" : : "m" (*v));
}
 
static __inline__ void atomic_dec(atomic_t *v)
{
	__asm__ __volatile__("subql #1,%0" : : "m" (*v));
}
 
static __inline__ int atomic_dec_and_test(atomic_t *v)
{
	char c;
	__asm__ __volatile__("subql #1,%1; seq %0" : "=d" (c) : "m" (*v));
	return c != 0;
}
 
#endif /* __ARCH_M68K_ATOMIC __ */