| Peter Huewe | 9f7cc08 | 2019-05-02 18:16:28 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
| Tadeusz Struk | 8203a37 | 2017-06-26 15:15:18 -0700 | [diff] [blame] | 2 | /***********************************************************************; |
| 3 | * Copyright (c) 2015 - 2017, Intel Corporation |
| 4 | * |
| 5 | * All rights reserved. |
| Tadeusz Struk | 8203a37 | 2017-06-26 15:15:18 -0700 | [diff] [blame] | 6 | ***********************************************************************/ |
| 7 | |
| 8 | #ifndef TSS2_ENDIAN_H |
| 9 | #define TSS2_ENDIAN_H |
| 10 | |
| 11 | #if defined(__linux__) || defined(__unix__) |
| Tadeusz Struk | b20860b | 2019-08-20 14:46:04 -0700 | [diff] [blame] | 12 | #if defined(__FreeBSD__) |
| 13 | #include <sys/endian.h> |
| 14 | #else |
| Tadeusz Struk | 8203a37 | 2017-06-26 15:15:18 -0700 | [diff] [blame] | 15 | #include <endian.h> |
| Tadeusz Struk | b20860b | 2019-08-20 14:46:04 -0700 | [diff] [blame] | 16 | #endif |
| Tadeusz Struk | 8203a37 | 2017-06-26 15:15:18 -0700 | [diff] [blame] | 17 | |
| 18 | #define HOST_TO_BE_16(value) htobe16(value) |
| 19 | #define HOST_TO_BE_32(value) htobe32(value) |
| 20 | #define HOST_TO_BE_64(value) htobe64(value) |
| 21 | #define BE_TO_HOST_16(value) be16toh(value) |
| 22 | #define BE_TO_HOST_32(value) be32toh(value) |
| 23 | #define BE_TO_HOST_64(value) be64toh(value) |
| 24 | |
| 25 | #else /* linux || unix */ |
| 26 | |
| 27 | #if defined(WORDS_BIGENDIAN) |
| 28 | |
| 29 | #define HOST_TO_BE_16(value) (value) |
| 30 | #define HOST_TO_BE_32(value) (value) |
| 31 | #define HOST_TO_BE_64(value) (value) |
| 32 | #define BE_TO_HOST_16(value) (value) |
| 33 | #define BE_TO_HOST_32(value) (value) |
| 34 | #define BE_TO_HOST_64(value) (value) |
| 35 | |
| 36 | #else |
| David R. Bild | 69babb7 | 2017-11-28 11:10:01 -0600 | [diff] [blame] | 37 | #include <stdint.h> |
| Tadeusz Struk | 8203a37 | 2017-06-26 15:15:18 -0700 | [diff] [blame] | 38 | |
| David R. Bild | 69babb7 | 2017-11-28 11:10:01 -0600 | [diff] [blame] | 39 | static inline uint16_t endian_conv_16(uint16_t value) |
| Tadeusz Struk | 8203a37 | 2017-06-26 15:15:18 -0700 | [diff] [blame] | 40 | { |
| 41 | return ((value & (0xff)) << 8) | \ |
| 42 | ((value & (0xff << 8)) >> 8); |
| 43 | } |
| 44 | |
| 45 | static inline uint32_t endian_conv_32(uint32_t value) |
| 46 | { |
| 47 | return ((value & (0xff)) << 24) | \ |
| 48 | ((value & (0xff << 8)) << 8) | \ |
| 49 | ((value & (0xff << 16)) >> 8) | \ |
| 50 | ((value & (0xff << 24)) >> 24); |
| 51 | } |
| 52 | |
| 53 | static inline uint64_t endian_conv_64(uint64_t value) |
| 54 | { |
| 55 | return ((value & (0xffULL)) << 56) | \ |
| 56 | ((value & (0xffULL << 8)) << 40) | \ |
| 57 | ((value & (0xffULL << 16)) << 24) | \ |
| 58 | ((value & (0xffULL << 24)) << 8) | \ |
| 59 | ((value & (0xffULL << 32)) >> 8) | \ |
| 60 | ((value & (0xffULL << 40)) >> 24) | \ |
| 61 | ((value & (0xffULL << 48)) >> 40) | \ |
| 62 | ((value & (0xffULL << 56)) >> 56); |
| 63 | } |
| 64 | |
| 65 | #define HOST_TO_BE_16(value) endian_conv_16(value) |
| 66 | #define HOST_TO_BE_32(value) endian_conv_32(value) |
| 67 | #define HOST_TO_BE_64(value) endian_conv_64(value) |
| 68 | #define BE_TO_HOST_16(value) endian_conv_16(value) |
| 69 | #define BE_TO_HOST_32(value) endian_conv_32(value) |
| 70 | #define BE_TO_HOST_64(value) endian_conv_64(value) |
| 71 | |
| 72 | #endif /* WORDS_BIGENDIAN */ |
| 73 | #endif /* linux || unix */ |
| 74 | #endif /* TSS2_ENDIAN_H */ |