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#ifndef __ASM_ARM_BYTEORDER_H
#define __ASM_ARM_BYTEORDER_H
 
#undef ntohl
#undef ntohs
#undef htonl
#undef htons
 
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN 1234
#endif
 
#ifndef __LITTLE_ENDIAN_BITFIELD
#define __LITTLE_ENDIAN_BITFIELD
#endif
 
extern unsigned long int        ntohl(unsigned long int);
extern unsigned short int       ntohs(unsigned short int);
extern unsigned long int        htonl(unsigned long int);
extern unsigned short int       htons(unsigned short int);
 
extern unsigned long int        __ntohl(unsigned long int);
extern unsigned short int       __ntohs(unsigned short int);
extern unsigned long int        __constant_ntohl(unsigned long int);
extern unsigned short int       __constant_ntohs(unsigned short int);
 
extern __inline__ unsigned long int
__ntohl(unsigned long int x)
{
	unsigned long xx;
	__asm__("eor\t%1, %0, %0, ror #16\n\t"
		"bic\t%1, %1, #0xff0000\n\t"
		"mov\t%0, %0, ror #8\n\t"
		"eor\t%0, %0, %1, lsr #8\n\t"
		: "=r" (x), "=&r" (xx)
		: "0" (x));
	return x;
}
 
#define __constant_ntohl(x) \
	((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
			     (((unsigned long int)(x) & 0x0000ff00U) <<  8) | \
			     (((unsigned long int)(x) & 0x00ff0000U) >>  8) | \
			     (((unsigned long int)(x) & 0xff000000U) >> 24)))
 
extern __inline__ unsigned short int
__ntohs(unsigned short int x)
{
	__asm__("eor\t%0, %0, %0, lsr #8\n\t"
		"eor\t%0, %0, %0, lsl #8\n\t"
		"bic\t%0, %0, #0xff0000\n\t"
		"eor\t%0, %0, %0, lsr #8\n\t"
		: "=r" (x) 
		: "0" (x));
	return x;
}
 
#define __constant_ntohs(x) \
	((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
			      (((unsigned short int)(x) & 0xff00) >> 8)))
 
#define __htonl(x) __ntohl(x)
#define __htons(x) __ntohs(x)
#define __constant_htonl(x) __constant_ntohl(x)
#define __constant_htons(x) __constant_ntohs(x)
 
#ifdef  __OPTIMIZE__
#  define ntohl(x) \
(__builtin_constant_p((long)(x)) ? \
 __constant_ntohl((x)) : \
 __ntohl((x)))
#  define ntohs(x) \
(__builtin_constant_p((short)(x)) ? \
 __constant_ntohs((x)) : \
 __ntohs((x)))
#  define htonl(x) \
(__builtin_constant_p((long)(x)) ? \
 __constant_htonl((x)) : \
 __htonl((x)))
#  define htons(x) \
(__builtin_constant_p((short)(x)) ? \
 __constant_htons((x)) : \
 __htons((x)))
#endif
 
#endif