Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __ASM_SH_FUTEX_LLSC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ASM_SH_FUTEX_LLSC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) static inline int atomic_futex_op_cmpxchg_inatomic(u32 *uval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 						   u32 __user *uaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 						   u32 oldval, u32 newval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	__asm__ __volatile__(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 		"synco\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 		"1:\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		"movli.l	@%2, r0\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		"mov	r0, %1\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		"cmp/eq	%1, %4\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		"bf	2f\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		"mov	%5, r0\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		"movco.l	r0, @%2\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		"bf	1b\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		"2:\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		"synco\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #ifdef CONFIG_MMU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		".section	.fixup,\"ax\"\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		"3:\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		"mov.l	4f, %0\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		"jmp	@%0\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		" mov	%3, %0\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		".balign	4\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		"4:	.long	2b\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		".previous\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		".section	__ex_table,\"a\"\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		".long	1b, 3b\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		".previous"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		:"+r" (err), "=&r" (*uval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		:"r" (uaddr), "i" (-EFAULT), "r" (oldval), "r" (newval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		:"t", "memory", "r0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	if (err) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #endif /* __ASM_SH_FUTEX_LLSC_H */