X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=mware%2Fbyteorder.h;h=0ed874bbf68910da09c38ee7565fa05d30cc58ea;hb=4654a69f5df97af36ee5456d20cbccdc19012dc2;hp=82bd9241cbd9ba07e26445936c8b2932b200450d;hpb=9ba9dcf2a59a952609e19154e11de3e2478cbf42;p=bertos.git diff --git a/mware/byteorder.h b/mware/byteorder.h index 82bd9241..0ed874bb 100644 --- a/mware/byteorder.h +++ b/mware/byteorder.h @@ -38,45 +38,11 @@ * \author Stefano Fedrigo */ -/*#* - *#* $Log$ - *#* Revision 1.10 2006/06/10 05:37:03 bernie - *#* Convert to new Doxygen comments. - *#* - *#* Revision 1.9 2005/11/04 16:20:02 bernie - *#* Fix reference to README.devlib in header. - *#* - *#* Revision 1.8 2005/06/14 06:16:03 bernie - *#* Add all missing functions. - *#* - *#* Revision 1.7 2005/04/12 04:08:49 bernie - *#* host_to_net(16|32)(), net_to_host(16|32)(): New functions. - *#* - *#* Revision 1.6 2005/04/11 19:10:28 bernie - *#* Include top-level headers from cfg/ subdir. - *#* - *#* Revision 1.5 2004/08/25 14:12:09 rasky - *#* Aggiornato il comment block dei log RCS - *#* - *#* Revision 1.4 2004/07/22 01:08:43 bernie - *#* swab32(): Fix a very serious bug. - *#* - *#* Revision 1.3 2004/07/20 23:47:12 bernie - *#* Finally remove redundant protos. - *#* - *#* Revision 1.2 2004/07/20 17:09:11 bernie - *#* swab16(), swab32(), cpu_to_be32(), cpu_to_le32(): New functions. - *#* - *#* Revision 1.1 2004/07/20 16:26:15 bernie - *#* Import byte-order macros into DevLib. - *#* - *#*/ - #ifndef MWARE_BYTEORDER_H #define MWARE_BYTEORDER_H #include -#include +#include /** * Swap upper and lower bytes in a 16-bit value. @@ -98,6 +64,15 @@ INLINE uint32_t swab32(uint32_t x) | ((x & (uint32_t)0xFF000000UL) >> 24); } +/** + * Reverse bytes in a 64-bit value. + */ +INLINE uint64_t swab64(uint64_t x) +{ + return (uint64_t)swab32(x >> 32) + | ((uint64_t)swab32(x & 0xFFFFFFFFUL) << 32); +} + /** * Reverse bytes in a float value. */ @@ -133,6 +108,16 @@ INLINE uint32_t cpu_to_le32(uint32_t x) return (CPU_BYTE_ORDER == CPU_BIG_ENDIAN) ? swab32(x) : x; } +INLINE uint64_t cpu_to_be64(uint64_t x) +{ + return (CPU_BYTE_ORDER == CPU_LITTLE_ENDIAN) ? swab64(x) : x; +} + +INLINE uint64_t cpu_to_le64(uint64_t x) +{ + return (CPU_BYTE_ORDER == CPU_BIG_ENDIAN) ? swab64(x) : x; +} + INLINE float cpu_to_be_float(float x) { return (CPU_BYTE_ORDER == CPU_LITTLE_ENDIAN) ? swab_float(x) : x; @@ -163,6 +148,16 @@ INLINE uint32_t le32_to_cpu(uint32_t x) return cpu_to_le32(x); } +INLINE uint64_t be64_to_cpu(uint64_t x) +{ + return cpu_to_be64(x); +} + +INLINE uint64_t le64_to_cpu(uint64_t x) +{ + return cpu_to_le64(x); +} + INLINE float be_float_to_cpu(float x) { return cpu_to_be_float(x); @@ -193,6 +188,16 @@ INLINE uint32_t net_to_host32(uint32_t x) return be32_to_cpu(x); } +INLINE uint64_t host_to_net64(uint64_t x) +{ + return cpu_to_be64(x); +} + +INLINE uint64_t net_to_host64(uint64_t x) +{ + return be64_to_cpu(x); +} + INLINE float host_to_net_float(float x) { return cpu_to_be_float(x); @@ -211,8 +216,10 @@ INLINE T swab(T x); template<> INLINE uint16_t swab(uint16_t x) { return swab16(x); } template<> INLINE uint32_t swab(uint32_t x) { return swab32(x); } +template<> INLINE uint64_t swab(uint64_t x) { return swab64(x); } template<> INLINE int16_t swab(int16_t x) { return static_cast(swab16(static_cast(x))); } template<> INLINE int32_t swab(int32_t x) { return static_cast(swab32(static_cast(x))); } +template<> INLINE int64_t swab(int64_t x) { return static_cast(swab64(static_cast(x))); } template<> INLINE float swab(float x) { return swab_float(x); } /// Type generic conversion from CPU byte order to big-endian byte order.