1/* SPDX-License-Identifier: GPL-2.0 */
 2/* NGcopy_to_user.S: Niagara optimized copy to userspace.
 3 *
 4 * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
 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#ifndef ASI_AIUS
16#define ASI_AIUS	0x11
17#endif
18
19#define FUNC_NAME		NGcopy_to_user
20#define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
21#define STORE_ASI		ASI_BLK_INIT_QUAD_LDD_AIUS
22#define EX_RETVAL(x)		%g0
23
24#ifdef __KERNEL__
25	/* Writing to %asi is _expensive_ so we hardcode it.
26	 * Reading %asi to check for KERNEL_DS is comparatively
27	 * cheap.
28	 */
29#define PREAMBLE					\
30	rd		%asi, %g1;			\
31	cmp		%g1, ASI_AIUS;			\
32	bne,pn		%icc, raw_copy_in_user;		\
33	 nop
34#endif
35
36#include "NGmemcpy.S"

 
 1/* NGcopy_to_user.S: Niagara optimized copy to userspace.
 2 *
 3 * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
 4 */
 5
 6#define EX_ST(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_to_user
19#define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
20#define STORE_ASI		ASI_BLK_INIT_QUAD_LDD_AIUS
21#define EX_RETVAL(x)		%g0
22
23#ifdef __KERNEL__
24	/* Writing to %asi is _expensive_ so we hardcode it.
25	 * Reading %asi to check for KERNEL_DS is comparatively
26	 * cheap.
27	 */
28#define PREAMBLE					\
29	rd		%asi, %g1;			\
30	cmp		%g1, ASI_AIUS;			\
31	bne,pn		%icc, ___copy_in_user;		\
32	 nop
33#endif
34
35#include "NGmemcpy.S"