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 _M68K_DIV64_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _M68K_DIV64_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #ifdef CONFIG_CPU_HAS_NO_MULDIV64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <asm-generic/div64.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /* n = n / base; return rem; */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define do_div(n, base) ({					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	union {							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		unsigned long n32[2];				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		unsigned long long n64;				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	} __n;							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	unsigned long __rem, __upper;				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	unsigned long __base = (base);				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 								\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	__n.n64 = (n);						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	if ((__upper = __n.n32[0])) {				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		asm ("divul.l %2,%1:%0"				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		     : "=d" (__n.n32[0]), "=d" (__upper)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		     : "d" (__base), "0" (__n.n32[0]));		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	}							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	asm ("divu.l %2,%1:%0"					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	     : "=d" (__n.n32[1]), "=d" (__rem)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	     : "d" (__base), "1" (__upper), "0" (__n.n32[1]));	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	(n) = __n.n64;						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	__rem;							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #endif /* CONFIG_CPU_HAS_NO_MULDIV64 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #endif /* _M68K_DIV64_H */