1/* SPDX-License-Identifier: GPL-2.0 */
 2/* U3copy_to_user.S: UltraSparc-III optimized copy to userspace.
 3 *
 4 * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
 5 */
 6
 7#define EX_ST(x,y)		\
 898:	x;			\
 9	.section __ex_table,"a";\
10	.align 4;		\
11	.word 98b, y;		\
12	.text;			\
13	.align 4;
14
15#define EX_ST_FP(x,y)		\
1698:	x;			\
17	.section __ex_table,"a";\
18	.align 4;		\
19	.word 98b, y##_fp;	\
20	.text;			\
21	.align 4;
22
23#define FUNC_NAME		U3copy_to_user
24#define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
25#define STORE_BLK(src,addr)	stda src, [addr] ASI_BLK_AIUS
26#define EX_RETVAL(x)		0
27
28	/* Writing to %asi is _expensive_ so we hardcode it.
29	 * Reading %asi to check for KERNEL_DS is comparatively
30	 * cheap.
31	 */
32#define PREAMBLE					\
33	rd		%asi, %g1;			\
34	cmp		%g1, ASI_AIUS;			\
35	bne,pn		%icc, raw_copy_in_user;		\
36	 nop;						\
37
38#include "U3memcpy.S"

 
 1/* U3copy_to_user.S: UltraSparc-III optimized copy to userspace.
 2 *
 3 * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
 4 */
 5
 6#define EX_ST(x)		\
 798:	x;			\
 8	.section __ex_table,"a";\
 9	.align 4;		\
10	.word 98b, __retl_one;	\
11	.text;			\
12	.align 4;
13
14#define EX_ST_FP(x)		\
1598:	x;			\
16	.section __ex_table,"a";\
17	.align 4;		\
18	.word 98b, __retl_one_fp;\
19	.text;			\
20	.align 4;
21
22#define FUNC_NAME		U3copy_to_user
23#define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
24#define STORE_BLK(src,addr)	stda src, [addr] ASI_BLK_AIUS
25#define EX_RETVAL(x)		0
26
27	/* Writing to %asi is _expensive_ so we hardcode it.
28	 * Reading %asi to check for KERNEL_DS is comparatively
29	 * cheap.
30	 */
31#define PREAMBLE					\
32	rd		%asi, %g1;			\
33	cmp		%g1, ASI_AIUS;			\
34	bne,pn		%icc, ___copy_in_user;		\
35	 nop;						\
36
37#include "U3memcpy.S"