1/* SPDX-License-Identifier: GPL-2.0 */
 2/* NGcopy_from_user.S: Niagara optimized copy from userspace.
 3 *
 4 * Copyright (C) 2006, 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#ifndef ASI_AIUS
16#define ASI_AIUS	0x11
17#endif
18
19#define FUNC_NAME		NGcopy_from_user
20#define LOAD(type,addr,dest)	type##a [addr] ASI_AIUS, dest
21#define LOAD_TWIN(addr_reg,dest0,dest1)	\
22	ldda [addr_reg] ASI_BLK_INIT_QUAD_LDD_AIUS, dest0
23#define EX_RETVAL(x)		%g0
24
25#ifdef __KERNEL__
26#define PREAMBLE					\
27	rd		%asi, %g1;			\
28	cmp		%g1, ASI_AIUS;			\
29	bne,pn		%icc, raw_copy_in_user;		\
30	 nop
31#endif
32
33#include "NGmemcpy.S"

 
 1/* NGcopy_from_user.S: Niagara optimized copy from userspace.
 2 *
 3 * Copyright (C) 2006, 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, __ret_one_asi;\
11	.text;			\
12	.align 4;
13
14#ifndef ASI_AIUS
15#define ASI_AIUS	0x11
16#endif
17
18#define FUNC_NAME		NGcopy_from_user
19#define LOAD(type,addr,dest)	type##a [addr] ASI_AIUS, dest
20#define LOAD_TWIN(addr_reg,dest0,dest1)	\
21	ldda [addr_reg] ASI_BLK_INIT_QUAD_LDD_AIUS, dest0
22#define EX_RETVAL(x)		%g0
23
24#ifdef __KERNEL__
25#define PREAMBLE					\
26	rd		%asi, %g1;			\
27	cmp		%g1, ASI_AIUS;			\
28	bne,pn		%icc, ___copy_in_user;		\
29	 nop
30#endif
31
32#include "NGmemcpy.S"