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kernel add
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#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 */
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