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Tip revision: 0c5b9b5d9adbad4b60491f9ba0d2af38904bb4b9 authored by Linus Torvalds on 21 January 2018, 21:51:26 UTC
Linux 4.15-rc9
Tip revision: 0c5b9b5
swab.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#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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