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