From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/m68k/include/asm/swab.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 arch/m68k/include/asm/swab.h (limited to 'arch/m68k/include/asm/swab.h') diff --git a/arch/m68k/include/asm/swab.h b/arch/m68k/include/asm/swab.h new file mode 100644 index 00000000..b7b37a40 --- /dev/null +++ b/arch/m68k/include/asm/swab.h @@ -0,0 +1,27 @@ +#ifndef _M68K_SWAB_H +#define _M68K_SWAB_H + +#include +#include + +#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 */ -- cgit v1.2.3