1 #ifndef _CRIS_BYTEORDER_H
2 #define _CRIS_BYTEORDER_H
3 
4 #include <asm/types.h>
5 
6 #ifdef __GNUC__
7 
8 /* we just define these two (as we can do the swap in a single
9  * asm instruction in CRIS) and the arch-independent files will put
10  * them together into ntohl etc.
11  */
12 
___arch__swab32(__u32 x)13 extern __inline__ __const__ __u32 ___arch__swab32(__u32 x)
14 {
15 	__asm__ ("swapwb %0" : "=r" (x) : "0" (x));
16 
17 	return(x);
18 }
19 
___arch__swab16(__u16 x)20 extern __inline__ __const__ __u16 ___arch__swab16(__u16 x)
21 {
22 	__asm__ ("swapb %0" : "=r" (x) : "0" (x));
23 
24 	return(x);
25 }
26 
27 /* defines are necessary because the other files detect the presence
28  * of a defined __arch_swab32, not an inline
29  */
30 
31 #define __arch__swab32(x) ___arch__swab32(x)
32 #define __arch__swab16(x) ___arch__swab16(x)
33 
34 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
35 #  define __BYTEORDER_HAS_U64__
36 #  define __SWAB_64_THRU_32__
37 #endif
38 
39 #endif /* __GNUC__ */
40 
41 #include <linux/byteorder/little_endian.h>
42 
43 #endif
44