xref: /OK3568_Linux_fs/kernel/arch/sparc/lib/U3copy_from_user.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun/* U3copy_from_user.S: UltraSparc-III optimized copy from userspace.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun#define EX_LD(x,y)		\
8*4882a593Smuzhiyun98:	x;			\
9*4882a593Smuzhiyun	.section __ex_table,"a";\
10*4882a593Smuzhiyun	.align 4;		\
11*4882a593Smuzhiyun	.word 98b, y;		\
12*4882a593Smuzhiyun	.text;			\
13*4882a593Smuzhiyun	.align 4;
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun#define EX_LD_FP(x,y)		\
16*4882a593Smuzhiyun98:	x;			\
17*4882a593Smuzhiyun	.section __ex_table,"a";\
18*4882a593Smuzhiyun	.align 4;		\
19*4882a593Smuzhiyun	.word 98b, y##_fp;	\
20*4882a593Smuzhiyun	.text;			\
21*4882a593Smuzhiyun	.align 4;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun#define FUNC_NAME		U3copy_from_user
24*4882a593Smuzhiyun#define LOAD(type,addr,dest)	type##a [addr] %asi, dest
25*4882a593Smuzhiyun#define EX_RETVAL(x)		0
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun#include "U3memcpy.S"
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