Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / arch / sparc / lib / NGcopy_from_user.S
blob9abc49fcdbbefb230c071be0098b9a8f2f29ecd8
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* NGcopy_from_user.S: Niagara optimized copy from userspace.
3  *
4  * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
5  */
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;
15 #ifndef ASI_AIUS
16 #define ASI_AIUS        0x11
17 #endif
19 #define FUNC_NAME               NGcopy_from_user
20 #define LOAD(type,addr,dest)    type##a [addr] ASI_AIUS, dest
21 #define LOAD_TWIN(addr_reg,dest0,dest1) \
22         ldda [addr_reg] ASI_BLK_INIT_QUAD_LDD_AIUS, dest0
23 #define EX_RETVAL(x)            %g0
25 #ifdef __KERNEL__
26 #define PREAMBLE                                        \
27         rd              %asi, %g1;                      \
28         cmp             %g1, ASI_AIUS;                  \
29         bne,pn          %icc, raw_copy_in_user;         \
30          nop
31 #endif
33 #include "NGmemcpy.S"