diff options
Diffstat (limited to 'arch/ia64/include/asm/swab.h')
-rw-r--r-- | arch/ia64/include/asm/swab.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/swab.h b/arch/ia64/include/asm/swab.h new file mode 100644 index 000000000000..6aa58b699eea --- /dev/null +++ b/arch/ia64/include/asm/swab.h | |||
@@ -0,0 +1,34 @@ | |||
1 | #ifndef _ASM_IA64_SWAB_H | ||
2 | #define _ASM_IA64_SWAB_H | ||
3 | |||
4 | /* | ||
5 | * Modified 1998, 1999 | ||
6 | * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co. | ||
7 | */ | ||
8 | |||
9 | #include <asm/types.h> | ||
10 | #include <asm/intrinsics.h> | ||
11 | #include <linux/compiler.h> | ||
12 | |||
13 | static __inline__ __attribute_const__ __u64 __arch_swab64(__u64 x) | ||
14 | { | ||
15 | __u64 result; | ||
16 | |||
17 | result = ia64_mux1(x, ia64_mux1_rev); | ||
18 | return result; | ||
19 | } | ||
20 | #define __arch_swab64 __arch_swab64 | ||
21 | |||
22 | static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x) | ||
23 | { | ||
24 | return __arch_swab64(x) >> 32; | ||
25 | } | ||
26 | #define __arch_swab32 __arch_swab32 | ||
27 | |||
28 | static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x) | ||
29 | { | ||
30 | return __arch_swab64(x) >> 48; | ||
31 | } | ||
32 | #define __arch_swab16 __arch_swab16 | ||
33 | |||
34 | #endif /* _ASM_IA64_SWAB_H */ | ||