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#ifndef __ARCH_M68K_ATOMIC__

#define __ARCH_M68K_ATOMIC__

/*

 * 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)

{

        __asm__ __volatile__("addl %1,%0" : : "m" (*v), "id" (i));

}

static __inline__ void atomic_sub(atomic_t i, atomic_t *v)

{

        __asm__ __volatile__("subl %1,%0" : : "m" (*v), "id" (i));

}

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 __ */