5113f6f70
 김현기
kernel add
|
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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
#ifndef _S390_SWAB_H
#define _S390_SWAB_H
/*
* S390 version
* Copyright IBM Corp. 1999
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
*/
#include <linux/types.h>
#ifndef __s390x__
# define __SWAB_64_THRU_32__
#endif
#ifdef __s390x__
static inline __u64 __arch_swab64p(const __u64 *x)
{
__u64 result;
asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x));
return result;
}
#define __arch_swab64p __arch_swab64p
static inline __u64 __arch_swab64(__u64 x)
{
__u64 result;
asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x));
return result;
}
#define __arch_swab64 __arch_swab64
static inline void __arch_swab64s(__u64 *x)
{
*x = __arch_swab64p(x);
}
#define __arch_swab64s __arch_swab64s
#endif /* __s390x__ */
static inline __u32 __arch_swab32p(const __u32 *x)
{
__u32 result;
asm volatile(
#ifndef __s390x__
" icm %0,8,%O1+3(%R1)
"
" icm %0,4,%O1+2(%R1)
"
" icm %0,2,%O1+1(%R1)
"
" ic %0,%1"
: "=&d" (result) : "Q" (*x) : "cc");
#else /* __s390x__ */
" lrv %0,%1"
: "=d" (result) : "m" (*x));
#endif /* __s390x__ */
return result;
}
#define __arch_swab32p __arch_swab32p
#ifdef __s390x__
static inline __u32 __arch_swab32(__u32 x)
{
__u32 result;
asm volatile("lrvr %0,%1" : "=d" (result) : "d" (x));
return result;
}
#define __arch_swab32 __arch_swab32
#endif /* __s390x__ */
static inline __u16 __arch_swab16p(const __u16 *x)
{
__u16 result;
asm volatile(
#ifndef __s390x__
" icm %0,2,%O1+1(%R1)
"
" ic %0,%1
"
: "=&d" (result) : "Q" (*x) : "cc");
#else /* __s390x__ */
" lrvh %0,%1"
: "=d" (result) : "m" (*x));
#endif /* __s390x__ */
return result;
}
#define __arch_swab16p __arch_swab16p
#endif /* _S390_SWAB_H */
|