blob: fd9f903ffa3269713dcec781a0ed93a77ae70c1b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/* NG4copy_from_user.S: Niagara-4 optimized copy from userspace.
*
* Copyright (C) 2012 David S. Miller (davem@davemloft.net)
*/
#define EX_LD(x) \
98: x; \
.section __ex_table,"a";\
.align 4; \
.word 98b, __retl_one_asi;\
.text; \
.align 4;
#ifndef ASI_AIUS
#define ASI_AIUS 0x11
#endif
#define FUNC_NAME NG4copy_from_user
#define LOAD(type,addr,dest) type##a [addr] %asi, dest
#define EX_RETVAL(x) 0
#ifdef __KERNEL__
#define PREAMBLE \
rd %asi, %g1; \
cmp %g1, ASI_AIUS; \
bne,pn %icc, ___copy_in_user; \
nop
#endif
#include "NG4memcpy.S"
|
