1/* SPDX-License-Identifier: GPL-2.0 */
 2/* NG2copy_from_user.S: Niagara-2 optimized copy from userspace.
 3 *
 4 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
 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##_fp;	\
20	.text;			\
21	.align 4;
22
23#ifndef ASI_AIUS
24#define ASI_AIUS	0x11
25#endif
26
27#ifndef ASI_BLK_AIUS_4V
28#define ASI_BLK_AIUS_4V	0x17
29#endif
30
31#define FUNC_NAME		NG2copy_from_user
32#define LOAD(type,addr,dest)	type##a [addr] %asi, dest
33#define LOAD_BLK(addr,dest)	ldda [addr] ASI_BLK_AIUS_4V, dest
34#define EX_RETVAL(x)		0
35
36#ifdef __KERNEL__
37#define PREAMBLE					\
38	rd		%asi, %g1;			\
39	cmp		%g1, ASI_AIUS;			\
40	bne,pn		%icc, raw_copy_in_user;		\
41	 nop
42#endif
43
44#include "NG2memcpy.S"

 
 1/* NG2copy_from_user.S: Niagara-2 optimized copy from userspace.
 2 *
 3 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
 4 */
 5
 6#define EX_LD(x)		\
 798:	x;			\
 8	.section __ex_table,"a";\
 9	.align 4;		\
10	.word 98b, __retl_one_asi;\
11	.text;			\
12	.align 4;
13
14#define EX_LD_FP(x)		\
1598:	x;			\
16	.section __ex_table,"a";\
17	.align 4;		\
18	.word 98b, __retl_one_asi_fp;\
19	.text;			\
20	.align 4;
21
22#ifndef ASI_AIUS
23#define ASI_AIUS	0x11
24#endif
25
26#ifndef ASI_BLK_AIUS_4V
27#define ASI_BLK_AIUS_4V	0x17
28#endif
29
30#define FUNC_NAME		NG2copy_from_user
31#define LOAD(type,addr,dest)	type##a [addr] %asi, dest
32#define LOAD_BLK(addr,dest)	ldda [addr] ASI_BLK_AIUS_4V, dest
33#define EX_RETVAL(x)		0
34
35#ifdef __KERNEL__
36#define PREAMBLE					\
37	rd		%asi, %g1;			\
38	cmp		%g1, ASI_AIUS;			\
39	bne,pn		%icc, ___copy_in_user;		\
40	 nop
41#endif
42
43#include "NG2memcpy.S"