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#ifndef __ASM_MIPS_BYTEORDER_H
#define __ASM_MIPS_BYTEORDER_H
/*
* FIXME: Add big endian support
*/
#undef ntohl
#undef ntohs
#undef htonl
#undef htons
#if defined (__MIPSEL__)
#define __LITTLE_ENDIAN
#define __LITTLE_ENDIAN_BITFIELD
#elif defined (__MIPSEB__)
#define __BIG_ENDIAN
#define __BIG_ENDIAN_BITFIELD
#else
#error "MIPS but neither __MIPSEL__ nor __MIPSEB__?"
#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 __inline__ unsigned long int __ntohl(unsigned long int);
extern __inline__ unsigned short int __ntohs(unsigned short int);
extern __inline__ unsigned long int __constant_ntohl(unsigned long int);
extern __inline__ unsigned short int __constant_ntohs(unsigned short int);
/*
* The constant and non-constant versions here are the same.
* Maybe I'll come up with an mips-optimized routine for the
* non-constant ones (the constant ones don't need it: gcc
* will optimize it to the correct constant). Oh, and the
* big endian routines that are still missing will be fairly
* easy to write :-)
*/
extern __inline__ unsigned long int
__ntohl(unsigned long int x)
{
return (((x & 0x000000ffU) << 24) |
((x & 0x0000ff00U) << 8) |
((x & 0x00ff0000U) >> 8) |
((x & 0xff000000U) >> 24));
}
#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)
{
return (((x & 0x00ff) << 8) |
((x & 0xff00) >> 8));
}
#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 /* __ASM_MIPS_BYTEORDER_H */
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