1/* SPDX-License-Identifier: GPL-2.0 */
2/* GENcopy_from_user.S: Generic sparc64 copy from userspace.
3 *
4 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
5 */
6
7#define EX_LD(x,y) \
898: x; \
9 .section __ex_table,"a";\
10 .align 4; \
11 .word 98b, y; \
12 .text; \
13 .align 4;
14
15#ifndef ASI_AIUS
16#define ASI_AIUS 0x11
17#endif
18
19#define FUNC_NAME GENcopy_from_user
20#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest
21#define EX_RETVAL(x) 0
22
23#ifdef __KERNEL__
24#define PREAMBLE \
25 rd %asi, %g1; \
26 cmp %g1, ASI_AIUS; \
27 bne,pn %icc, raw_copy_in_user; \
28 nop
29#endif
30
31#include "GENmemcpy.S"
32

source code of linux/arch/sparc/lib/GENcopy_from_user.S