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/* SPDX-License-Identifier: GPL-2.0 */
// Copyright (C) 2005-2017 Andes Technology Corporation
#ifndef __NDS32_SWAB_H__
#define __NDS32_SWAB_H__
#include <linux/types.h>
#include <linux/compiler.h>
static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
{
__asm__("wsbh %0, %0\n\t" /* word swap byte within halfword */
"rotri %0, %0, #16\n"
:"=r"(x)
:"0"(x));
return x;
}
static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
{
__asm__("wsbh %0, %0\n" /* word swap byte within halfword */
:"=r"(x)
:"0"(x));
return x;
}
#define __arch_swab32(x) ___arch__swab32(x)
#define __arch_swab16(x) ___arch__swab16(x)
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
#define __BYTEORDER_HAS_U64__
#define __SWAB_64_THRU_32__
#endif
#endif /* __NDS32_SWAB_H__ */
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