1/* SPDX-License-Identifier: GPL-2.0 */
 2/* U1copy_from_user.S: UltraSparc-I/II/IIi/IIe optimized copy from userspace.
 3 *
 4 * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
 5 */
 6
 7#define EX_LD(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_LD_FP(x,y)		\
1698:	x;			\
17	.section __ex_table,"a";\
18	.align 4;		\
19	.word 98b, y;		\
20	.text;			\
21	.align 4;
22
23#define FUNC_NAME		raw_copy_from_user
24#define LOAD(type,addr,dest)	type##a [addr] %asi, dest
25#define LOAD_BLK(addr,dest)	ldda [addr] ASI_BLK_AIUS, dest
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 "U1memcpy.S"

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* U1copy_from_user.S: UltraSparc-I/II/IIi/IIe optimized copy from userspace.
 3 *
 4 * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
 5 */
 6
 7#define EX_LD(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_LD_FP(x,y)		\
1698:	x;			\
17	.section __ex_table,"a";\
18	.align 4;		\
19	.word 98b, y;		\
20	.text;			\
21	.align 4;
22
23#define FUNC_NAME		raw_copy_from_user
24#define LOAD(type,addr,dest)	type##a [addr] %asi, dest
25#define LOAD_BLK(addr,dest)	ldda [addr] ASI_BLK_AIUS, dest
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 "U1memcpy.S"