1/*
2 * M7copy_from_user.S: SPARC M7 optimized copy from userspace.
3 *
4 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
5 */
6
7
8#define EX_LD(x, y)			\
998:	x;				\
10	.section __ex_table,"a";	\
11	.align 4;			\
12	.word 98b, y;			\
13	.text;				\
14	.align 4;
15
16#define EX_LD_FP(x, y)			\
1798:	x;				\
18	.section __ex_table,"a";	\
19	.align 4;			\
20	.word 98b, y##_fp;		\
21	.text;				\
22	.align 4;
23
24#ifndef ASI_AIUS
25#define ASI_AIUS	0x11
26#endif
27
28#define FUNC_NAME		M7copy_from_user
29#define LOAD(type,addr,dest)	type##a [addr] %asi, dest
30#define EX_RETVAL(x)		0
31
32#ifdef __KERNEL__
33#define PREAMBLE					\
34	rd		%asi, %g1;			\
35	cmp		%g1, ASI_AIUS;			\
36	bne,pn		%icc, raw_copy_in_user;		\
37	 nop
38#endif
39
40#include "M7memcpy.S"
41