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) /* U3patch.S: Patch Ultra-I routines with Ultra-III variant.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) 2004 David S. Miller <davem@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define BRANCH_ALWAYS	0x10680000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define NOP		0x01000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define ULTRA3_DO_PATCH(OLD, NEW)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	sethi	%hi(NEW), %g1; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	or	%g1, %lo(NEW), %g1; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	sethi	%hi(OLD), %g2; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	or	%g2, %lo(OLD), %g2; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	sub	%g1, %g2, %g1; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	sethi	%hi(BRANCH_ALWAYS), %g3; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	sll	%g1, 11, %g1; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	srl	%g1, 11 + 2, %g1; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	or	%g3, %lo(BRANCH_ALWAYS), %g3; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	or	%g3, %g1, %g3; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	stw	%g3, [%g2]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	sethi	%hi(NOP), %g3; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	or	%g3, %lo(NOP), %g3; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	stw	%g3, [%g2 + 0x4]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	flush	%g2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.globl	cheetah_patch_copyops
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	.type	cheetah_patch_copyops,#function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) cheetah_patch_copyops:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	ULTRA3_DO_PATCH(memcpy, U3memcpy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	ULTRA3_DO_PATCH(raw_copy_from_user, U3copy_from_user)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	ULTRA3_DO_PATCH(raw_copy_to_user, U3copy_to_user)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	retl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	 nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	.size	cheetah_patch_copyops,.-cheetah_patch_copyops