diff options
Diffstat (limited to 'include/asm-ppc/byteorder.h')
-rw-r--r-- | include/asm-ppc/byteorder.h | 93 |
1 files changed, 28 insertions, 65 deletions
diff --git a/include/asm-ppc/byteorder.h b/include/asm-ppc/byteorder.h index 240e7401a..0c771b2f4 100644 --- a/include/asm-ppc/byteorder.h +++ b/include/asm-ppc/byteorder.h @@ -9,85 +9,48 @@ #define __BIG_ENDIAN_BITFIELD #endif -#if 0 /* Assume PowerPC is Big-Endian! */ -#undef ntohl -#undef ntohs -#undef htonl -#undef htons - -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) -{ - return (((x & 0x000000ffU) << 24) | - ((x & 0x0000ff00U) << 8) | - ((x & 0x00ff0000U) >> 8) | - ((x & 0xff000000U) >> 24)); -} +#define ntohl(x) (x) +#define ntohs(x) (x) +#define htonl(x) (x) +#define htons(x) (x) + +#define __htonl(x) ntohl(x) +#define __htons(x) ntohs(x) +#define __constant_htonl(x) ntohl(x) +#define __constant_htons(x) ntohs(x) + +/* + * In-kernel byte order macros to handle stuff like + * byte-order-dependent filesystems etc. + */ -extern __inline__ unsigned long int -__constant_ntohl(unsigned long int x) +#define cpu_to_le32(x) le32_to_cpu((x)) +extern __inline__ unsigned long le32_to_cpu(unsigned long x) { - return (((x & 0x000000ffU) << 24) | + return (((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) | ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24)); } -extern __inline__ unsigned short int -__ntohs(unsigned short int x) -{ - return (((x & 0x00ff) << 8) | - ((x & 0xff00) >> 8)); -} -extern __inline__ unsigned short int -__constant_ntohs(unsigned short int x) +#define cpu_to_le16(x) le16_to_cpu((x)) +extern __inline__ unsigned short le16_to_cpu(unsigned short x) { return (((x & 0x00ff) << 8) | ((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 +#define cpu_to_be32(x) (x) +#define be32_to_cpu(x) (x) +#define cpu_to_be16(x) (x) +#define be16_to_cpu(x) (x) + + +#endif /* !(_PPC_BYTEORDER_H) */ + + -#else -#define ntohl(x) (x) -#define ntohs(x) (x) -#define htonl(x) (x) -#define htons(x) (x) -#endif -#endif /* !(_PPC_BYTEORDER_H) */ |