1/* NG4copy_from_user.S: Niagara-4 optimized copy from userspace.
 2 *
 3 * Copyright (C) 2012 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#ifndef ASI_AIUS
15#define ASI_AIUS	0x11
16#endif
17
18#define FUNC_NAME		NG4copy_from_user
19#define LOAD(type,addr,dest)	type##a [addr] %asi, dest
20#define EX_RETVAL(x)		0
21
22#ifdef __KERNEL__
23#define PREAMBLE					\
24	rd		%asi, %g1;			\
25	cmp		%g1, ASI_AIUS;			\
26	bne,pn		%icc, ___copy_in_user;		\
27	 nop
28#endif
29
30#include "NG4memcpy.S"