| /***********************************************************************; |
| * Copyright (c) 2015 - 2017, Intel Corporation |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| ***********************************************************************/ |
| |
| #ifndef TSS2_ENDIAN_H |
| #define TSS2_ENDIAN_H |
| |
| #if defined(__linux__) || defined(__unix__) |
| #include <endian.h> |
| |
| #define HOST_TO_BE_16(value) htobe16(value) |
| #define HOST_TO_BE_32(value) htobe32(value) |
| #define HOST_TO_BE_64(value) htobe64(value) |
| #define BE_TO_HOST_16(value) be16toh(value) |
| #define BE_TO_HOST_32(value) be32toh(value) |
| #define BE_TO_HOST_64(value) be64toh(value) |
| |
| #else /* linux || unix */ |
| |
| #if defined(WORDS_BIGENDIAN) |
| |
| #define HOST_TO_BE_16(value) (value) |
| #define HOST_TO_BE_32(value) (value) |
| #define HOST_TO_BE_64(value) (value) |
| #define BE_TO_HOST_16(value) (value) |
| #define BE_TO_HOST_32(value) (value) |
| #define BE_TO_HOST_64(value) (value) |
| |
| #else |
| |
| static inline uint16_t endian_conv_16(UINT16 value) |
| { |
| return ((value & (0xff)) << 8) | \ |
| ((value & (0xff << 8)) >> 8); |
| } |
| |
| static inline uint32_t endian_conv_32(uint32_t value) |
| { |
| return ((value & (0xff)) << 24) | \ |
| ((value & (0xff << 8)) << 8) | \ |
| ((value & (0xff << 16)) >> 8) | \ |
| ((value & (0xff << 24)) >> 24); |
| } |
| |
| static inline uint64_t endian_conv_64(uint64_t value) |
| { |
| return ((value & (0xffULL)) << 56) | \ |
| ((value & (0xffULL << 8)) << 40) | \ |
| ((value & (0xffULL << 16)) << 24) | \ |
| ((value & (0xffULL << 24)) << 8) | \ |
| ((value & (0xffULL << 32)) >> 8) | \ |
| ((value & (0xffULL << 40)) >> 24) | \ |
| ((value & (0xffULL << 48)) >> 40) | \ |
| ((value & (0xffULL << 56)) >> 56); |
| } |
| |
| #define HOST_TO_BE_16(value) endian_conv_16(value) |
| #define HOST_TO_BE_32(value) endian_conv_32(value) |
| #define HOST_TO_BE_64(value) endian_conv_64(value) |
| #define BE_TO_HOST_16(value) endian_conv_16(value) |
| #define BE_TO_HOST_32(value) endian_conv_32(value) |
| #define BE_TO_HOST_64(value) endian_conv_64(value) |
| |
| #endif /* WORDS_BIGENDIAN */ |
| #endif /* linux || unix */ |
| #endif /* TSS2_ENDIAN_H */ |