25 #define atomic_read(v)	READ_ONCE((v)->counter)  argument
26 #define atomic_set(v,i)	WRITE_ONCE(((v)->counter), (i))  argument
37 static inline void atomic_##op(int i, atomic_t *v)			\
42 	prefetchw(&v->counter);						\
44 "1:	ldrex	%0, [%3]\n"						\
46 "	strex	%1, %0, [%3]\n"						\
47 "	teq	%1, #0\n"						\
48 "	bne	1b"							\
49 	: "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)		\
50 	: "r" (&v->counter), "Ir" (i)					\
55 static inline int atomic_##op##_return_relaxed(int i, atomic_t *v)	\
60 	prefetchw(&v->counter);						\
63 "1:	ldrex	%0, [%3]\n"						\
65 "	strex	%1, %0, [%3]\n"						\
66 "	teq	%1, #0\n"						\
67 "	bne	1b"							\
68 	: "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)		\
69 	: "r" (&v->counter), "Ir" (i)					\
76 static inline int atomic_fetch_##op##_relaxed(int i, atomic_t *v)	\
81 	prefetchw(&v->counter);						\
84 "1:	ldrex	%0, [%4]\n"						\
85 "	" #asm_op "	%1, %0, %5\n"					\
86 "	strex	%2, %1, [%4]\n"						\
88 "	bne	1b"							\
89 	: "=&r" (result), "=&r" (val), "=&r" (tmp), "+Qo" (v->counter)	\
90 	: "r" (&v->counter), "Ir" (i)					\
115 		"ldrex	%1, [%3]\n"  in atomic_cmpxchg_relaxed()
117 		"teq	%1, %4\n"  in atomic_cmpxchg_relaxed()
128 static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u)  in atomic_fetch_add_unless()  argument
134 	prefetchw(&v->counter);  in atomic_fetch_add_unless()
137 "1:	ldrex	%0, [%4]\n"  in atomic_fetch_add_unless()
140 "	add	%1, %0, %6\n"  in atomic_fetch_add_unless()
141 "	strex	%2, %1, [%4]\n"  in atomic_fetch_add_unless()
143 "	bne	1b\n"  in atomic_fetch_add_unless()
145 	: "=&r" (oldval), "=&r" (newval), "=&r" (tmp), "+Qo" (v->counter)  in atomic_fetch_add_unless()
146 	: "r" (&v->counter), "r" (u), "r" (a)  in atomic_fetch_add_unless()
163 static inline void atomic_##op(int i, atomic_t *v)			\
168 	v->counter c_op i;						\
173 static inline int atomic_##op##_return(int i, atomic_t *v)		\
179 	v->counter c_op i;						\
180 	val = v->counter;						\
187 static inline int atomic_fetch_##op(int i, atomic_t *v)			\
193 	val = v->counter;						\
194 	v->counter c_op i;						\
200 static inline int atomic_cmpxchg(atomic_t *v, int old, int new)  in atomic_cmpxchg()  argument
206 	ret = v->counter;  in atomic_cmpxchg()
208 		v->counter = new;  in atomic_cmpxchg()
243 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))  argument
253 static inline s64 atomic64_read(const atomic64_t *v)  in atomic64_read()  argument
258 "	ldrd	%0, %H0, [%1]"  in atomic64_read()
260 	: "r" (&v->counter), "Qo" (v->counter)  in atomic64_read()
266 static inline void atomic64_set(atomic64_t *v, s64 i)  in atomic64_set()  argument
269 "	strd	%2, %H2, [%1]"  in atomic64_set()
270 	: "=Qo" (v->counter)  in atomic64_set()
271 	: "r" (&v->counter), "r" (i)  in atomic64_set()
275 static inline s64 atomic64_read(const atomic64_t *v)  in atomic64_read()  argument
280 "	ldrexd	%0, %H0, [%1]"  in atomic64_read()
282 	: "r" (&v->counter), "Qo" (v->counter)  in atomic64_read()
288 static inline void atomic64_set(atomic64_t *v, s64 i)  in atomic64_set()  argument
292 	prefetchw(&v->counter);  in atomic64_set()
294 "1:	ldrexd	%0, %H0, [%2]\n"  in atomic64_set()
297 "	bne	1b"  in atomic64_set()
298 	: "=&r" (tmp), "=Qo" (v->counter)  in atomic64_set()
299 	: "r" (&v->counter), "r" (i)  in atomic64_set()
305 static inline void atomic64_##op(s64 i, atomic64_t *v)			\
310 	prefetchw(&v->counter);						\
312 "1:	ldrexd	%0, %H0, [%3]\n"					\
315 "	strexd	%1, %0, %H0, [%3]\n"					\
316 "	teq	%1, #0\n"						\
317 "	bne	1b"							\
318 	: "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)		\
319 	: "r" (&v->counter), "r" (i)					\
325 atomic64_##op##_return_relaxed(s64 i, atomic64_t *v)			\
330 	prefetchw(&v->counter);						\
333 "1:	ldrexd	%0, %H0, [%3]\n"					\
336 "	strexd	%1, %0, %H0, [%3]\n"					\
337 "	teq	%1, #0\n"						\
338 "	bne	1b"							\
339 	: "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)		\
340 	: "r" (&v->counter), "r" (i)					\
348 atomic64_fetch_##op##_relaxed(s64 i, atomic64_t *v)			\
353 	prefetchw(&v->counter);						\
356 "1:	ldrexd	%0, %H0, [%4]\n"					\
359 "	strexd	%2, %1, %H1, [%4]\n"					\
361 "	bne	1b"							\
362 	: "=&r" (result), "=&r" (val), "=&r" (tmp), "+Qo" (v->counter)	\
363 	: "r" (&v->counter), "r" (i)					\
413 		"ldrexd		%1, %H1, [%3]\n"  in ATOMIC64_OPS()
415 		"teq		%1, %4\n"  in ATOMIC64_OPS()
435 "1:	ldrexd	%0, %H0, [%3]\n"  in atomic64_xchg_relaxed()
436 "	strexd	%1, %4, %H4, [%3]\n"  in atomic64_xchg_relaxed()
437 "	teq	%1, #0\n"  in atomic64_xchg_relaxed()
438 "	bne	1b"  in atomic64_xchg_relaxed()
447 static inline s64 atomic64_dec_if_positive(atomic64_t *v)  in atomic64_dec_if_positive()  argument
453 	prefetchw(&v->counter);  in atomic64_dec_if_positive()
456 "1:	ldrexd	%0, %H0, [%3]\n"  in atomic64_dec_if_positive()
457 "	subs	%Q0, %Q0, #1\n"  in atomic64_dec_if_positive()
461 "	strexd	%1, %0, %H0, [%3]\n"  in atomic64_dec_if_positive()
462 "	teq	%1, #0\n"  in atomic64_dec_if_positive()
463 "	bne	1b\n"  in atomic64_dec_if_positive()
465 	: "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)  in atomic64_dec_if_positive()
466 	: "r" (&v->counter)  in atomic64_dec_if_positive()
475 static inline s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)  in atomic64_fetch_add_unless()  argument
481 	prefetchw(&v->counter);  in atomic64_fetch_add_unless()
484 "1:	ldrexd	%0, %H0, [%4]\n"  in atomic64_fetch_add_unless()
490 "	strexd	%2, %1, %H1, [%4]\n"  in atomic64_fetch_add_unless()
492 "	bne	1b\n"  in atomic64_fetch_add_unless()
494 	: "=&r" (oldval), "=&r" (newval), "=&r" (tmp), "+Qo" (v->counter)  in atomic64_fetch_add_unless()
495 	: "r" (&v->counter), "r" (u), "r" (a)  in atomic64_fetch_add_unless()