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1/* GENcopy_from_user.S: Generic sparc64 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 .fixup; \
9 .align 4; \
1099: retl; \
11 mov 1, %o0; \
12 .section __ex_table,"a";\
13 .align 4; \
14 .word 98b, 99b; \
15 .text; \
16 .align 4;
17
18#ifndef ASI_AIUS
19#define ASI_AIUS 0x11
20#endif
21
22#define FUNC_NAME GENcopy_from_user
23#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest
24#define EX_RETVAL(x) 0
25
26#ifdef __KERNEL__
27#define PREAMBLE \
28 rd %asi, %g1; \
29 cmp %g1, ASI_AIUS; \
30 bne,pn %icc, memcpy_user_stub; \
31 nop
32#endif
33
34#include "GENmemcpy.S"