26 static __inline__ int arch_atomic_read(const atomic_t *v)  in arch_atomic_read()  argument
32 		__asm__ __volatile__("lwz %0,0(%1)" : "=r"(t) : "b"(&v->counter));  in arch_atomic_read()
34 		__asm__ __volatile__("lwz%U1%X1 %0,%1" : "=r"(t) : "m<>"(v->counter));  in arch_atomic_read()
39 static __inline__ void arch_atomic_set(atomic_t *v, int i)  in arch_atomic_set()  argument
43 		__asm__ __volatile__("stw %1,0(%2)" : "=m"(v->counter) : "r"(i), "b"(&v->counter));  in arch_atomic_set()
45 		__asm__ __volatile__("stw%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i));  in arch_atomic_set()
49 static __inline__ void arch_atomic_##op(int a, atomic_t *v)		\
55 	#asm_op "%I2" suffix " %0,%0,%2\n"				\
58 	: "=&r" (t), "+m" (v->counter)					\
59 	: "r"#sign (a), "r" (&v->counter)				\
64 static inline int arch_atomic_##op##_return_relaxed(int a, atomic_t *v)	\
70 	#asm_op "%I2" suffix " %0,%0,%2\n"				\
73 	: "=&r" (t), "+m" (v->counter)					\
74 	: "r"#sign (a), "r" (&v->counter)				\
81 static inline int arch_atomic_fetch_##op##_relaxed(int a, atomic_t *v)	\
90 	: "=&r" (res), "=&r" (t), "+m" (v->counter)			\
91 	: "r"#sign (a), "r" (&v->counter)				\
131  * @v: pointer of type atomic_t
132  * @a: the amount to add to v...
133  * @u: ...unless v is equal to u.
135  * Atomically adds @a to @v, so long as it was not @u.
136  * Returns the old value of @v.
138 static __inline__ int arch_atomic_fetch_add_unless(atomic_t *v, int a, int u)  in arch_atomic_fetch_add_unless()  argument
146 	beq	2f \n\  in arch_atomic_fetch_add_unless()
147 	add%I2c	%0,%0,%2 \n"  in arch_atomic_fetch_add_unless()
151 "	sub%I2c	%0,%0,%2 \n\  in arch_atomic_fetch_add_unless()
152 2:"  in arch_atomic_fetch_add_unless()
154 	: "r" (&v->counter), "rI" (a), "r" (u)  in arch_atomic_fetch_add_unless()
162  * Atomically test *v and decrement if it is greater than 0.
163  * The function returns the old value of *v minus 1, even if
164  * the atomic variable, v, was not decremented.
166 static __inline__ int arch_atomic_dec_if_positive(atomic_t *v)  in arch_atomic_dec_if_positive()  argument
175 	blt-	2f\n"  in arch_atomic_dec_if_positive()
180 2:"	: "=&b" (t)  in arch_atomic_dec_if_positive()
181 	: "r" (&v->counter)  in arch_atomic_dec_if_positive()
192 static __inline__ s64 arch_atomic64_read(const atomic64_t *v)  in arch_atomic64_read()  argument
198 		__asm__ __volatile__("ld %0,0(%1)" : "=r"(t) : "b"(&v->counter));  in arch_atomic64_read()
200 		__asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m<>"(v->counter));  in arch_atomic64_read()
205 static __inline__ void arch_atomic64_set(atomic64_t *v, s64 i)  in arch_atomic64_set()  argument
209 		__asm__ __volatile__("std %1,0(%2)" : "=m"(v->counter) : "r"(i), "b"(&v->counter));  in arch_atomic64_set()
211 		__asm__ __volatile__("std%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i));  in arch_atomic64_set()
215 static __inline__ void arch_atomic64_##op(s64 a, atomic64_t *v)		\
221 	#asm_op " %0,%2,%0\n"						\
224 	: "=&r" (t), "+m" (v->counter)					\
225 	: "r" (a), "r" (&v->counter)					\
231 arch_atomic64_##op##_return_relaxed(s64 a, atomic64_t *v)		\
237 	#asm_op " %0,%2,%0\n"						\
240 	: "=&r" (t), "+m" (v->counter)					\
241 	: "r" (a), "r" (&v->counter)					\
249 arch_atomic64_fetch_##op##_relaxed(s64 a, atomic64_t *v)		\
258 	: "=&r" (res), "=&r" (t), "+m" (v->counter)			\
259 	: "r" (a), "r" (&v->counter)					\
297 static __inline__ void arch_atomic64_inc(atomic64_t *v)  in ATOMIC64_OPS()
302 "1:	ldarx	%0,0,%2		# atomic64_inc\n\  in ATOMIC64_OPS()
304 	stdcx.	%0,0,%2 \n\  in ATOMIC64_OPS()
306 	: "=&r" (t), "+m" (v->counter)  in ATOMIC64_OPS()
307 	: "r" (&v->counter)  in ATOMIC64_OPS()
312 static __inline__ s64 arch_atomic64_inc_return_relaxed(atomic64_t *v)  in arch_atomic64_inc_return_relaxed()  argument
317 "1:	ldarx	%0,0,%2		# atomic64_inc_return_relaxed\n"  in arch_atomic64_inc_return_relaxed()
319 "	stdcx.	%0,0,%2\n"  in arch_atomic64_inc_return_relaxed()
321 	: "=&r" (t), "+m" (v->counter)  in arch_atomic64_inc_return_relaxed()
322 	: "r" (&v->counter)  in arch_atomic64_inc_return_relaxed()
328 static __inline__ void arch_atomic64_dec(atomic64_t *v)  in arch_atomic64_dec()  argument
333 "1:	ldarx	%0,0,%2		# atomic64_dec\n\  in arch_atomic64_dec()
335 	stdcx.	%0,0,%2\n\  in arch_atomic64_dec()
337 	: "=&r" (t), "+m" (v->counter)  in arch_atomic64_dec()
338 	: "r" (&v->counter)  in arch_atomic64_dec()
343 static __inline__ s64 arch_atomic64_dec_return_relaxed(atomic64_t *v)  in arch_atomic64_dec_return_relaxed()  argument
348 "1:	ldarx	%0,0,%2		# atomic64_dec_return_relaxed\n"  in arch_atomic64_dec_return_relaxed()
350 "	stdcx.	%0,0,%2\n"  in arch_atomic64_dec_return_relaxed()
352 	: "=&r" (t), "+m" (v->counter)  in arch_atomic64_dec_return_relaxed()
353 	: "r" (&v->counter)  in arch_atomic64_dec_return_relaxed()
363  * Atomically test *v and decrement if it is greater than 0.
364  * The function returns the old value of *v minus 1.
366 static __inline__ s64 arch_atomic64_dec_if_positive(atomic64_t *v)  in arch_atomic64_dec_if_positive()  argument
374 	blt-	2f\n\  in arch_atomic64_dec_if_positive()
379 2:"	: "=&r" (t)  in arch_atomic64_dec_if_positive()
380 	: "r" (&v->counter)  in arch_atomic64_dec_if_positive()
389  * @v: pointer of type atomic64_t
390  * @a: the amount to add to v...
391  * @u: ...unless v is equal to u.
393  * Atomically adds @a to @v, so long as it was not @u.
394  * Returns the old value of @v.
396 static __inline__ s64 arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)  in arch_atomic64_fetch_add_unless()  argument
404 	beq	2f \n\  in arch_atomic64_fetch_add_unless()
405 	add	%0,%2,%0 \n"  in arch_atomic64_fetch_add_unless()
409 "	subf	%0,%2,%0 \n\  in arch_atomic64_fetch_add_unless()
410 2:"  in arch_atomic64_fetch_add_unless()
412 	: "r" (&v->counter), "r" (a), "r" (u)  in arch_atomic64_fetch_add_unless()
421  * @v: pointer of type atomic64_t
423  * Atomically increments @v by 1, so long as @v is non-zero.
424  * Returns non-zero if @v was non-zero, and zero otherwise.
426 static __inline__ int arch_atomic64_inc_not_zero(atomic64_t *v)  in arch_atomic64_inc_not_zero()  argument
432 "1:	ldarx	%0,0,%2		# atomic64_inc_not_zero\n\  in arch_atomic64_inc_not_zero()
434 	beq-	2f\n\  in arch_atomic64_inc_not_zero()
436 	stdcx.	%1,0,%2\n\  in arch_atomic64_inc_not_zero()
440 2:"  in arch_atomic64_inc_not_zero()
442 	: "r" (&v->counter)  in arch_atomic64_inc_not_zero()
447 #define arch_atomic64_inc_not_zero(v) arch_atomic64_inc_not_zero((v))  argument