1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* NG4copy_from_user.S: Niagara-4 optimized co
3 *
4 * Copyright (C) 2012 David S. Miller (davem@d
5 */
6
7 #define EX_LD(x, y) \
8 98: x; \
9 .section __ex_table,"a";\
10 .align 4; \
11 .word 98b, y; \
12 .text; \
13 .align 4;
14
15 #define EX_LD_FP(x,y) \
16 98: x; \
17 .section __ex_table,"a";\
18 .align 4; \
19 .word 98b, y##_fp; \
20 .text; \
21 .align 4;
22
23 #ifndef ASI_AIUS
24 #define ASI_AIUS 0x11
25 #endif
26
27 #define FUNC_NAME NG4copy_from_u
28 #define LOAD(type,addr,dest) type##a [addr]
29 #define EX_RETVAL(x) 0
30
31 #ifdef __KERNEL__
32 #define PREAMBLE
33 rd %asi, %g1;
34 cmp %g1, ASI_AIUS;
35 bne,pn %icc, raw_copy_in_user
36 nop
37 #endif
38
39 #include "NG4memcpy.S"
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