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1/* NG2copy_from_user.S: Niagara-2 optimized copy from userspace.
2 *
3 * Copyright (C) 2007 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#ifndef ASI_BLK_AIUS_4V
19#define ASI_BLK_AIUS_4V 0x17
20#endif
21
22#define FUNC_NAME NG2copy_from_user
23#define LOAD(type,addr,dest) type##a [addr] %asi, dest
24#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_AIUS_4V, dest
25#define EX_RETVAL(x) 0
26
27#ifdef __KERNEL__
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 "NG2memcpy.S"
1/* NG2copy_from_user.S: Niagara-2 optimized copy from userspace.
2 *
3 * Copyright (C) 2007 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#define EX_LD_FP(x) \
1598: x; \
16 .section __ex_table,"a";\
17 .align 4; \
18 .word 98b, __retl_one_asi_fp;\
19 .text; \
20 .align 4;
21
22#ifndef ASI_AIUS
23#define ASI_AIUS 0x11
24#endif
25
26#ifndef ASI_BLK_AIUS_4V
27#define ASI_BLK_AIUS_4V 0x17
28#endif
29
30#define FUNC_NAME NG2copy_from_user
31#define LOAD(type,addr,dest) type##a [addr] %asi, dest
32#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_AIUS_4V, dest
33#define EX_RETVAL(x) 0
34
35#ifdef __KERNEL__
36#define PREAMBLE \
37 rd %asi, %g1; \
38 cmp %g1, ASI_AIUS; \
39 bne,pn %icc, ___copy_in_user; \
40 nop
41#endif
42
43#include "NG2memcpy.S"