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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) \ |
7 | 98: x; \ |
8 | .section __ex_table,"a";\ |
9 | .align 4; \ |
10 | .word 98b, __retl_one; \ |
11 | .text; \ |
12 | .align 4; |
13 | |
14 | #ifndef ASI_AIUS |
15 | #define ASI_AIUS 0x11 |
16 | #endif |
17 | |
18 | #define FUNC_NAME GENcopy_from_user |
19 | #define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, 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 "GENmemcpy.S" |
31 |
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