1/* U3copy_to_user.S: UltraSparc-III optimized copy to userspace.
 2 *
 3 * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
 4 */
 5
 6#define EX_ST(x)		\
 798:	x;			\
 8	.section __ex_table,"a";\
 9	.align 4;		\
10	.word 98b, __retl_one;	\
11	.text;			\
12	.align 4;
13
 
 
 
 
 
 
 
 
14#define FUNC_NAME		U3copy_to_user
15#define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
16#define STORE_BLK(src,addr)	stda src, [addr] ASI_BLK_AIUS
17#define EX_RETVAL(x)		0
18
19	/* Writing to %asi is _expensive_ so we hardcode it.
20	 * Reading %asi to check for KERNEL_DS is comparatively
21	 * cheap.
22	 */
23#define PREAMBLE					\
24	rd		%asi, %g1;			\
25	cmp		%g1, ASI_AIUS;			\
26	bne,pn		%icc, ___copy_in_user;		\
27	 nop;						\
28
29#include "U3memcpy.S"

 1/* U3copy_to_user.S: UltraSparc-III optimized copy to userspace.
 2 *
 3 * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
 4 */
 5
 6#define EX_ST(x)		\
 798:	x;			\
 8	.section __ex_table,"a";\
 9	.align 4;		\
10	.word 98b, __retl_one;	\
11	.text;			\
12	.align 4;
13
14#define EX_ST_FP(x)		\
1598:	x;			\
16	.section __ex_table,"a";\
17	.align 4;		\
18	.word 98b, __retl_one_fp;\
19	.text;			\
20	.align 4;
21
22#define FUNC_NAME		U3copy_to_user
23#define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
24#define STORE_BLK(src,addr)	stda src, [addr] ASI_BLK_AIUS
25#define EX_RETVAL(x)		0
26
27	/* Writing to %asi is _expensive_ so we hardcode it.
28	 * Reading %asi to check for KERNEL_DS is comparatively
29	 * cheap.
30	 */
31#define PREAMBLE					\
32	rd		%asi, %g1;			\
33	cmp		%g1, ASI_AIUS;			\
34	bne,pn		%icc, ___copy_in_user;		\
35	 nop;						\
36
37#include "U3memcpy.S"