20 #define atomic_read(v)		READ_ONCE((v)->counter)  argument
21 #define atomic_set(v, i)	WRITE_ONCE(((v)->counter), (i))  argument
34 static inline void atomic_##op(int i, atomic_t *v)			\
36 	__asm__ __volatile__(#asm_op "l %1,%0" : "+m" (*v) : ASM_DI (i));\
42 static inline int atomic_##op##_return(int i, atomic_t *v)		\
51 			: "+m" (*v), "=&d" (t), "=&d" (tmp)		\
52 			: "g" (i), "2" (atomic_read(v)));		\
59 static inline int atomic_##op##_return(int i, atomic_t * v)		\
65 	t = (v->counter c_op i);					\
88 static inline void atomic_inc(atomic_t *v)  in atomic_inc()  argument
90 	__asm__ __volatile__("addql #1,%0" : "+m" (*v));  in atomic_inc()
93 static inline void atomic_dec(atomic_t *v)  in atomic_dec()  argument
95 	__asm__ __volatile__("subql #1,%0" : "+m" (*v));  in atomic_dec()
98 static inline int atomic_dec_and_test(atomic_t *v)  in atomic_dec_and_test()  argument
101 	__asm__ __volatile__("subql #1,%1; seq %0" : "=d" (c), "+m" (*v));  in atomic_dec_and_test()
105 static inline int atomic_dec_and_test_lt(atomic_t *v)  in atomic_dec_and_test_lt()  argument
110 		: "=d" (c), "=m" (*v)  in atomic_dec_and_test_lt()
111 		: "m" (*v));  in atomic_dec_and_test_lt()
115 static inline int atomic_inc_and_test(atomic_t *v)  in atomic_inc_and_test()  argument
118 	__asm__ __volatile__("addql #1,%1; seq %0" : "=d" (c), "+m" (*v));  in atomic_inc_and_test()
124 #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))  argument
125 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))  argument
129 static inline int atomic_cmpxchg(atomic_t *v, int old, int new)  in atomic_cmpxchg()  argument
135 	prev = atomic_read(v);  in atomic_cmpxchg()
137 		atomic_set(v, new);  in atomic_cmpxchg()
142 static inline int atomic_xchg(atomic_t *v, int new)  in atomic_xchg()  argument
148 	prev = atomic_read(v);  in atomic_xchg()
149 	atomic_set(v, new);  in atomic_xchg()
156 #define atomic_dec_return(v)	atomic_sub_return(1, (v))  argument
157 #define atomic_inc_return(v)	atomic_add_return(1, (v))  argument
159 static inline int atomic_sub_and_test(int i, atomic_t *v)  in atomic_sub_and_test()  argument
163 			     : "=d" (c), "+m" (*v)  in atomic_sub_and_test()
168 static inline int atomic_add_negative(int i, atomic_t *v)  in atomic_add_negative()  argument
172 			     : "=d" (c), "+m" (*v)  in atomic_add_negative()
177 static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)  in __atomic_add_unless()  argument
180 	c = atomic_read(v);  in __atomic_add_unless()
184 		old = atomic_cmpxchg((v), c, c + (a));  in __atomic_add_unless()