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,y)		\
798:	x;			\
8	.section __ex_table,"a";\
9	.align 4;		\
10	.word 98b, y;		\
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, raw_copy_in_user;		\
29	 nop
30#endif
31
32#include "NGmemcpy.S"
33