#ifndef _I386_BYTEORDER_H #define _I386_BYTEORDER_H #include <asm/types.h> #ifdef __GNUC__ static __inline__ __u32 ___arch__swab32(__u32 x) { #ifdef CONFIG_X86_BSWAP __asm__("bswap %0" : "=r" (x) : "0" (x)); #else __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ "rorl $16,%0\n\t" /* swap words */ "xchgb %b0,%h0" /* swap higher bytes */ :"=q" (x) : "0" (x)); #endif return x; } static __inline__ __u16 ___arch__swab16(__u16 x) { __asm__("xchgb %b0,%h0" /* swap bytes */ \ : "=q" (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 /* __GNUC__ */ #include <linux/byteorder/little_endian.h> #endif /* _I386_BYTEORDER_H */