aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sh/include/asm/byteorder.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/include/asm/byteorder.h')
-rw-r--r--arch/sh/include/asm/byteorder.h36
1 files changed, 17 insertions, 19 deletions
diff --git a/arch/sh/include/asm/byteorder.h b/arch/sh/include/asm/byteorder.h
index 4c13e6117563..f5fa0653ebc6 100644
--- a/arch/sh/include/asm/byteorder.h
+++ b/arch/sh/include/asm/byteorder.h
@@ -8,7 +8,15 @@
8#include <linux/compiler.h> 8#include <linux/compiler.h>
9#include <linux/types.h> 9#include <linux/types.h>
10 10
11static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) 11#ifdef __LITTLE_ENDIAN__
12# define __LITTLE_ENDIAN
13#else
14# define __BIG_ENDIAN
15#endif
16
17#define __SWAB_64_THRU_32__
18
19static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
12{ 20{
13 __asm__( 21 __asm__(
14#ifdef __SH5__ 22#ifdef __SH5__
@@ -24,8 +32,9 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
24 32
25 return x; 33 return x;
26} 34}
35#define __arch_swab32 __arch_swab32
27 36
28static inline __attribute_const__ __u16 ___arch__swab16(__u16 x) 37static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
29{ 38{
30 __asm__( 39 __asm__(
31#ifdef __SH5__ 40#ifdef __SH5__
@@ -39,32 +48,21 @@ static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)
39 48
40 return x; 49 return x;
41} 50}
51#define __arch_swab16 __arch_swab16
42 52
43static inline __u64 ___arch__swab64(__u64 val) 53static inline __u64 __arch_swab64(__u64 val)
44{ 54{
45 union { 55 union {
46 struct { __u32 a,b; } s; 56 struct { __u32 a,b; } s;
47 __u64 u; 57 __u64 u;
48 } v, w; 58 } v, w;
49 v.u = val; 59 v.u = val;
50 w.s.b = ___arch__swab32(v.s.a); 60 w.s.b = __arch_swab32(v.s.a);
51 w.s.a = ___arch__swab32(v.s.b); 61 w.s.a = __arch_swab32(v.s.b);
52 return w.u; 62 return w.u;
53} 63}
64#define __arch_swab64 __arch_swab64
54 65
55#define __arch__swab64(x) ___arch__swab64(x) 66#include <linux/byteorder.h>
56#define __arch__swab32(x) ___arch__swab32(x)
57#define __arch__swab16(x) ___arch__swab16(x)
58
59#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
60# define __BYTEORDER_HAS_U64__
61# define __SWAB_64_THRU_32__
62#endif
63
64#ifdef __LITTLE_ENDIAN__
65#include <linux/byteorder/little_endian.h>
66#else
67#include <linux/byteorder/big_endian.h>
68#endif
69 67
70#endif /* __ASM_SH_BYTEORDER_H */ 68#endif /* __ASM_SH_BYTEORDER_H */