arm64: dts: Revert "specify console via command line"
[linux/fpc-iii.git] / arch / sparc / lib / NG2copy_to_user.S
blob367c0bf01518214b758c1cf705124f5484b41479
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* NG2copy_to_user.S: Niagara-2 optimized copy to userspace.
3  *
4  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
5  */
7 #define EX_ST(x,y)              \
8 98:     x;                      \
9         .section __ex_table,"a";\
10         .align 4;               \
11         .word 98b, y;           \
12         .text;                  \
13         .align 4;
15 #define EX_ST_FP(x,y)           \
16 98:     x;                      \
17         .section __ex_table,"a";\
18         .align 4;               \
19         .word 98b, y##_fp;      \
20         .text;                  \
21         .align 4;
23 #ifndef ASI_AIUS
24 #define ASI_AIUS        0x11
25 #endif
27 #ifndef ASI_BLK_AIUS_4V
28 #define ASI_BLK_AIUS_4V 0x17
29 #endif
31 #ifndef ASI_BLK_INIT_QUAD_LDD_AIUS
32 #define ASI_BLK_INIT_QUAD_LDD_AIUS 0x23
33 #endif
35 #define FUNC_NAME               NG2copy_to_user
36 #define STORE(type,src,addr)    type##a src, [addr] ASI_AIUS
37 #define STORE_ASI               ASI_BLK_INIT_QUAD_LDD_AIUS
38 #define STORE_BLK(src,addr)     stda src, [addr] ASI_BLK_AIUS_4V
39 #define EX_RETVAL(x)            0
41 #ifdef __KERNEL__
42         /* Writing to %asi is _expensive_ so we hardcode it.
43          * Reading %asi to check for KERNEL_DS is comparatively
44          * cheap.
45          */
46 #define PREAMBLE                                        \
47         rd              %asi, %g1;                      \
48         cmp             %g1, ASI_AIUS;                  \
49         bne,pn          %icc, raw_copy_in_user;         \
50          nop
51 #endif
53 #include "NG2memcpy.S"