// 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__ */
