1 /* SPDX-License-Identifier: GPL-2.0 */
5  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
32 #define arch_atomic_read(v)	READ_ONCE((v)->counter)
33 #define arch_atomic_set(v, i)	WRITE_ONCE((v)->counter, (i))
40 	: "+ZB" (v->counter)						\
51 	"am"#asm_op#mb".w" " %1, %2, %0		\n"			\
52 	: "+ZB" (v->counter), "=&r" (result)				\
65 	"am"#asm_op#mb".w" " %1, %2, %0		\n"			\
66 	: "+ZB" (v->counter), "=&r" (result)				\
81 ATOMIC_OPS(sub, -i, add, +)
139 		"	b	2f\n"  in ATOMIC_OPS()
142 		"2:\n"  in ATOMIC_OPS()
144 		  [c]"=ZB" (v->counter)  in ATOMIC_OPS()
159 		"1:	ll.w	%1, %2		# atomic_sub_if_positive\n"  in arch_atomic_sub_if_positive()
162 		"	bltz	%0, 2f					\n"  in arch_atomic_sub_if_positive()
163 		"	sc.w	%1, %2					\n"  in arch_atomic_sub_if_positive()
165 		"2:							\n"  in arch_atomic_sub_if_positive()
167 		: "=&r" (result), "=&r" (temp), "+ZC" (v->counter)  in arch_atomic_sub_if_positive()
168 		: "I" (-i));  in arch_atomic_sub_if_positive()
171 		"1:	ll.w	%1, %2		# atomic_sub_if_positive\n"  in arch_atomic_sub_if_positive()
174 		"	bltz	%0, 2f					\n"  in arch_atomic_sub_if_positive()
175 		"	sc.w	%1, %2					\n"  in arch_atomic_sub_if_positive()
177 		"2:							\n"  in arch_atomic_sub_if_positive()
179 		: "=&r" (result), "=&r" (temp), "+ZC" (v->counter)  in arch_atomic_sub_if_positive()
192 #define arch_atomic64_read(v)	READ_ONCE((v)->counter)
193 #define arch_atomic64_set(v, i)	WRITE_ONCE((v)->counter, (i))
200 	: "+ZB" (v->counter)						\
210 	"am"#asm_op#mb".d " " %1, %2, %0		\n"			\
211 	: "+ZB" (v->counter), "=&r" (result)					\
224 	"am"#asm_op#mb".d " " %1, %2, %0		\n"			\
225 	: "+ZB" (v->counter), "=&r" (result)					\
240 ATOMIC64_OPS(sub, -i, add, +)
298 		"	b	2f\n"  in ATOMIC64_OPS()
301 		"2:\n"  in ATOMIC64_OPS()
303 		  [c] "=ZB" (v->counter)  in ATOMIC64_OPS()
318 		"1:	ll.d	%1, %2	# atomic64_sub_if_positive	\n"  in arch_atomic64_sub_if_positive()
321 		"	bltz	%0, 2f					\n"  in arch_atomic64_sub_if_positive()
322 		"	sc.d	%1, %2					\n"  in arch_atomic64_sub_if_positive()
324 		"2:							\n"  in arch_atomic64_sub_if_positive()
326 		: "=&r" (result), "=&r" (temp), "+ZC" (v->counter)  in arch_atomic64_sub_if_positive()
327 		: "I" (-i));  in arch_atomic64_sub_if_positive()
330 		"1:	ll.d	%1, %2	# atomic64_sub_if_positive	\n"  in arch_atomic64_sub_if_positive()
333 		"	bltz	%0, 2f					\n"  in arch_atomic64_sub_if_positive()
334 		"	sc.d	%1, %2					\n"  in arch_atomic64_sub_if_positive()
336 		"2:							\n"  in arch_atomic64_sub_if_positive()
338 		: "=&r" (result), "=&r" (temp), "+ZC" (v->counter)  in arch_atomic64_sub_if_positive()