diff options
Diffstat (limited to 'include/asm-cris/arch-v10/byteorder.h')
-rw-r--r-- | include/asm-cris/arch-v10/byteorder.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v10/byteorder.h b/include/asm-cris/arch-v10/byteorder.h new file mode 100644 index 000000000000..e24465d1f40d --- /dev/null +++ b/include/asm-cris/arch-v10/byteorder.h | |||
@@ -0,0 +1,26 @@ | |||
1 | #ifndef _CRIS_ARCH_BYTEORDER_H | ||
2 | #define _CRIS_ARCH_BYTEORDER_H | ||
3 | |||
4 | #include <asm/types.h> | ||
5 | #include <linux/compiler.h> | ||
6 | |||
7 | /* we just define these two (as we can do the swap in a single | ||
8 | * asm instruction in CRIS) and the arch-independent files will put | ||
9 | * them together into ntohl etc. | ||
10 | */ | ||
11 | |||
12 | extern __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) | ||
13 | { | ||
14 | __asm__ ("swapwb %0" : "=r" (x) : "0" (x)); | ||
15 | |||
16 | return(x); | ||
17 | } | ||
18 | |||
19 | extern __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x) | ||
20 | { | ||
21 | __asm__ ("swapb %0" : "=r" (x) : "0" (x)); | ||
22 | |||
23 | return(x); | ||
24 | } | ||
25 | |||
26 | #endif | ||