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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-04-19 10:22:06 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-05-30 08:11:39 +0200 |
commit | 868cd24dcd149bc2871130d77f398f9202c5e6ff (patch) | |
tree | d2ce551d00af3968bc674c502cf179cd15fcf8f9 /cpukit/include | |
parent | network: Align with Newlib type definitions (diff) | |
download | rtems-868cd24dcd149bc2871130d77f398f9202c5e6ff.tar.bz2 |
score: Use Newlib provided <machine/endian.h>
Diffstat (limited to 'cpukit/include')
-rw-r--r-- | cpukit/include/rtems/endian.h | 85 | ||||
-rw-r--r-- | cpukit/include/sys/endian.h | 46 |
2 files changed, 37 insertions, 94 deletions
diff --git a/cpukit/include/rtems/endian.h b/cpukit/include/rtems/endian.h index e6704779ac..802cc4bb91 100644 --- a/cpukit/include/rtems/endian.h +++ b/cpukit/include/rtems/endian.h @@ -8,90 +8,23 @@ #ifndef _RTEMS_ENDIAN_H #define _RTEMS_ENDIAN_H -#include <rtems/score/cpu.h> +#include <stdint.h> -/* - * BSD-style endian declaration - */ -#define BIG_ENDIAN 4321 -#define LITTLE_ENDIAN 1234 - -#ifndef BYTE_ORDER -#if CPU_BIG_ENDIAN -# define BYTE_ORDER BIG_ENDIAN -#elif CPU_LITTLE_ENDIAN -# define BYTE_ORDER LITTLE_ENDIAN -#else -# error "Can't decide which end is which!" -#endif -#endif - -#if ( CPU_BIG_ENDIAN == TRUE ) - -/* - * Very simply on big endian CPUs - */ - -static inline uint32_t ntohl( uint32_t _x ) -{ - return _x; -} - -static inline uint16_t ntohs( uint16_t _x ) -{ - return _x; -} - -static inline uint32_t htonl( uint32_t _x ) -{ - return _x; -} - -static inline uint16_t htons( uint16_t _x ) -{ - return _x; -} +#include <machine/endian.h> -#define NTOHS(x) -#define HTONS(x) -#define NTOHL(x) -#define HTONL(x) - -#elif ( CPU_LITTLE_ENDIAN == TRUE ) - -/* - * A little more complicated on little endian CPUs - */ - -static inline uint32_t ntohl( uint32_t _x ) -{ - return CPU_swap_u32(_x); -} - -static inline uint16_t ntohs( uint16_t _x ) -{ - return CPU_swap_u16(_x); -} - -static inline uint32_t htonl( uint32_t _x ) -{ - return CPU_swap_u32(_x); -} - -static inline uint16_t htons( uint16_t _x ) -{ - return CPU_swap_u16(_x); -} +#ifndef _BYTEORDER_FUNC_DEFINED +#define _BYTEORDER_FUNC_DEFINED +#define htonl(x) __htonl(x) +#define htons(x) __htons(x) +#define ntohl(x) __ntohl(x) +#define ntohs(x) __ntohs(x) +#endif #define NTOHS(x) (x) = ntohs(x) #define HTONS(x) (x) = htons(x) #define NTOHL(x) (x) = ntohl(x) #define HTONL(x) (x) = htonl(x) -#else -#error "Unknown endian-ness for this cpu" -#endif - static inline uint16_t rtems_uint16_from_little_endian( const uint8_t *data) { uint16_t value = 0; diff --git a/cpukit/include/sys/endian.h b/cpukit/include/sys/endian.h index b78d8c711a..f7efc5dac1 100644 --- a/cpukit/include/sys/endian.h +++ b/cpukit/include/sys/endian.h @@ -30,31 +30,41 @@ #define _SYS_ENDIAN_H_ #include <sys/cdefs.h> -#include <rtems/endian.h> +#include <sys/_types.h> +#include <machine/endian.h> + +#ifndef _UINT8_T_DECLARED +typedef __uint8_t uint8_t; +#define _UINT8_T_DECLARED +#endif + +#ifndef _UINT16_T_DECLARED +typedef __uint16_t uint16_t; +#define _UINT16_T_DECLARED +#endif + +#ifndef _UINT32_T_DECLARED +typedef __uint32_t uint32_t; +#define _UINT32_T_DECLARED +#endif + +#ifndef _UINT64_T_DECLARED +typedef __uint64_t uint64_t; +#define _UINT64_T_DECLARED +#endif /* * General byte order swapping functions. */ -#define bswap16(x) CPU_swap_u16(x) -#define bswap32(x) CPU_swap_u32(x) -static __inline uint64_t -bswap64(uint64_t v) -{ -#ifdef __GNUC__ - return __builtin_bswap64(v); -#else - return ((v >> 56) | ((v >> 40) & 0xff00) | ((v >> 24) & 0xff0000) | - ((v >> 8) & 0xff000000) | ((v << 8) & ((uint64_t)0xff << 32)) | - ((v << 24) & ((uint64_t)0xff << 40)) | - ((v << 40) & ((uint64_t)0xff << 48)) | ((v << 56))); -#endif -} +#define bswap16(x) __bswap16(x) +#define bswap32(x) __bswap32(x) +#define bswap64(x) __bswap64(x) /* * Host to big endian, host to little endian, big endian to host, and little * endian to host byte order functions as detailed in byteorder(9). */ -#if BYTE_ORDER == LITTLE_ENDIAN +#if _BYTE_ORDER == _LITTLE_ENDIAN #define htobe16(x) bswap16((x)) #define htobe32(x) bswap32((x)) #define htobe64(x) bswap64((x)) @@ -68,7 +78,7 @@ bswap64(uint64_t v) #define le16toh(x) ((uint16_t)(x)) #define le32toh(x) ((uint32_t)(x)) #define le64toh(x) ((uint64_t)(x)) -#else /* BYTE_ORDER != LITTLE_ENDIAN */ +#else /* _BYTE_ORDER != _LITTLE_ENDIAN */ #define htobe16(x) ((uint16_t)(x)) #define htobe32(x) ((uint32_t)(x)) #define htobe64(x) ((uint64_t)(x)) @@ -82,7 +92,7 @@ bswap64(uint64_t v) #define le16toh(x) bswap16((x)) #define le32toh(x) bswap32((x)) #define le64toh(x) bswap64((x)) -#endif /* BYTE_ORDER == LITTLE_ENDIAN */ +#endif /* _BYTE_ORDER == _LITTLE_ENDIAN */ /* Alignment-agnostic encode/decode bytestream to/from little/big endian. */ |