summaryrefslogblamecommitdiff
path: root/arch/m68k/include/asm/swab.h
blob: b7b37a40defc82d167a354fd9a8a63aeb4e4cf48 (plain) (tree) 
9863a0babc2f ^



4f308e35a9bd ^

9863a0babc2f ^












145452649d03 ^

9863a0babc2f ^







6aeea60aee94 ^

9863a0babc2f ^


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



                    
                        











                                                                
                             






                                                                            
      

                         
#ifndef _M68K_SWAB_H
#define _M68K_SWAB_H

#include <linux/types.h>
#include <linux/compiler.h>

#define __SWAB_64_THRU_32__

#if defined (__mcfisaaplus__) || defined (__mcfisac__)
static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
	__asm__("byterev %0" : "=d" (val) : "0" (val));
	return val;
}

#define __arch_swab32 __arch_swab32
#elif !defined(__mcoldfire__)

static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
	__asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
	return val;
}
#define __arch_swab32 __arch_swab32
#endif

#endif /* _M68K_SWAB_H */