1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _M68K_SWAB_H 3 #define _M68K_SWAB_H 4 5 #include <linux/types.h> 6 #include <linux/compiler.h> 7 8 #define __SWAB_64_THRU_32__ 9 10 #if defined (__mcfisaaplus__) || defined (__mcfisac__) 11 static inline __attribute_const__ __u32 __arch_swab32(__u32 val) 12 { 13 __asm__("byterev %0" : "=d" (val) : "0" (val)); 14 return val; 15 } 16 17 #define __arch_swab32 __arch_swab32 18 #elif !defined(__mcoldfire__) 19 20 static inline __attribute_const__ __u32 __arch_swab32(__u32 val) 21 { 22 __asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val)); 23 return val; 24 } 25 #define __arch_swab32 __arch_swab32 26 #endif 27 28 #endif /* _M68K_SWAB_H */ 29