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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/*
* arch/s390x/lib/uaccess.S
* fixup routines for copy_{from|to}_user functions.
*
* S390
* Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Authors(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
*
* These functions have a non-standard call interface
*/
#include <asm/lowcore.h>
.text
.align 4
.globl __copy_from_user_fixup
__copy_from_user_fixup:
lg 1,__LC_PGM_OLD_PSW+8
0: lghi 3,-4096
ng 3,__LC_TRANS_EXC_ADDR
sgr 3,4
bm 4(1)
1: mvcle 2,4,0
b 4(1)
.section __ex_table,"a"
.align 8
.quad 1b,0b
.previous
.align 4
.text
.globl __copy_to_user_fixup
__copy_to_user_fixup:
lg 1,__LC_PGM_OLD_PSW+8
0: lghi 5,-4096
ng 5,__LC_TRANS_EXC_ADDR
sgr 5,4
bm 4(1)
1: mvcle 4,2,0
b 4(1)
.section __ex_table,"a"
.align 8
.quad 1b,0b
.previous
|
