1/* SPDX-License-Identifier: GPL-2.0 */ 2// Copyright (C) 2005-2017 Andes Technology Corporation 3 4#ifndef __NDS32_SWAB_H__ 5#define __NDS32_SWAB_H__ 6 7#include <linux/types.h> 8#include <linux/compiler.h> 9 10static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) 11{ 12 __asm__("wsbh %0, %0\n\t" /* word swap byte within halfword */ 13 "rotri %0, %0, #16\n" 14 :"=r"(x) 15 :"0"(x)); 16 return x; 17} 18 19static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x) 20{ 21 __asm__("wsbh %0, %0\n" /* word swap byte within halfword */ 22 :"=r"(x) 23 :"0"(x)); 24 return x; 25} 26 27#define __arch_swab32(x) ___arch__swab32(x) 28#define __arch_swab16(x) ___arch__swab16(x) 29 30#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) 31#define __BYTEORDER_HAS_U64__ 32#define __SWAB_64_THRU_32__ 33#endif 34 35#endif /* __NDS32_SWAB_H__ */ 36