/* SPDX-License-Identifier: GPL-2.0 *//* U3patch.S: Patch Ultra-I routines with Ultra-III variant. * * Copyright (C) 2004 David S. Miller <davem@redhat.com> */ #define BRANCH_ALWAYS	0x10680000#define NOP		0x01000000#define ULTRA3_DO_PATCH(OLD, NEW)	\	sethi	%hi(NEW), %g1; \	or	%g1, %lo(NEW), %g1; \	sethi	%hi(OLD), %g2; \	or	%g2, %lo(OLD), %g2; \	sub	%g1, %g2, %g1; \	sethi	%hi(BRANCH_ALWAYS), %g3; \	sll	%g1, 11, %g1; \	srl	%g1, 11 + 2, %g1; \	or	%g3, %lo(BRANCH_ALWAYS), %g3; \	or	%g3, %g1, %g3; \	stw	%g3, [%g2]; \	sethi	%hi(NOP), %g3; \	or	%g3, %lo(NOP), %g3; \	stw	%g3, [%g2 + 0x4]; \	flush	%g2; 	.globl	cheetah_patch_copyops	.type	cheetah_patch_copyops,#functioncheetah_patch_copyops:	ULTRA3_DO_PATCH(memcpy, U3memcpy)	ULTRA3_DO_PATCH(raw_copy_from_user, U3copy_from_user)	ULTRA3_DO_PATCH(raw_copy_to_user, U3copy_to_user)	retl	 nop	.size	cheetah_patch_copyops,.-cheetah_patch_copyops