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Diffstat (limited to 'ChibiOS_16.1.5/community/os/various/bswap.h')
-rw-r--r--ChibiOS_16.1.5/community/os/various/bswap.h201
1 files changed, 0 insertions, 201 deletions
diff --git a/ChibiOS_16.1.5/community/os/various/bswap.h b/ChibiOS_16.1.5/community/os/various/bswap.h
deleted file mode 100644
index 6448498..0000000
--- a/ChibiOS_16.1.5/community/os/various/bswap.h
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- Copyright (C) 2016 Stephane D'Alu
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-#ifndef BSWAP_H
-#define BSWAP_H
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-#if !(defined(ARCH_BIG_ENDIAN) || defined(ARCH_LITTLE_ENDIAN))
-#error "Need to define one: ARCH_BIG_ENDIAN or ARCH_LITTLE_ENDIAN"
-#endif
-
-#if defined(ARCH_BIG_ENDIAN) && defined(ARCH_LITTLE_ENDIAN)
-#error "ARCH_BIG_ENDIAN and ARCH_LITTLE_ENDIAN are both set"
-#endif
-
-
-#define BSWAP_16(x) \
- (uint16_t)((((x) & 0xFF00) >> 8) | \
- (((x) & 0x00FF) << 8))
-#define BSWAP_32(x) \
- (uint32_t)((((x) & 0xFF000000UL) >> 24UL) | \
- (((x) & 0x00FF0000UL) >> 8UL) | \
- (((x) & 0x0000FF00UL) << 8UL) | \
- (((x) & 0x000000FFUL) << 24UL))
-#define BSWAP_64(x) \
- (uint64_t)((((x) & 0xFF00000000000000UL) >> 56UL) | \
- (((x) & 0x00FF000000000000UL) >> 40UL) | \
- (((x) & 0x0000FF0000000000UL) >> 24UL) | \
- (((x) & 0x000000FF00000000UL) >> 8UL) | \
- (((x) & 0x00000000FF000000UL) << 8UL) | \
- (((x) & 0x0000000000FF0000UL) << 24UL) | \
- (((x) & 0x000000000000FF00UL) << 40UL) | \
- (((x) & 0x00000000000000FFUL) << 56UL))
-
-
-#if defined(ARCH_BIG_ENDIAN)
-#define le16_to_cpu(x) bswap_16(x)
-#define le32_to_cpu(x) bswap_32(x)
-#define le64_to_cpu(x) bswap_64(x)
-#define be16_to_cpu(x) (x)
-#define be32_to_cpu(x) (x)
-#define be64_to_cpu(x) (x)
-#define cpu_to_le16(x) bswap_16(x)
-#define cpu_to_le32(x) bswap_32(x)
-#define cpu_to_le64(x) bswap_64(x)
-#define cpu_to_be16(x) (x)
-#define cpu_to_be32(x) (x)
-#define cpu_to_be64(x) (x)
-#define LE16_TO_CPU(x) BSWAP_16(x)
-#define LE32_TO_CPU(x) BSWAP_32(x)
-#define LE64_TO_CPU(x) BSWAP_64(x)
-#define BE16_TO_CPU(x) (x)
-#define BE32_TO_CPU(x) (x)
-#define BE64_TO_CPU(x) (x)
-#define CPU_TO_LE16(x) BSWAP_16(x)
-#define CPU_TO_LE32(x) BSWAP_32(x)
-#define CPU_TO_LE64(x) BSWAP_64(x)
-#define CPU_TO_BE16(x) (x)
-#define CPU_TO_BE32(x) (x)
-#define CPU_TO_BE64(x) (x)
-#endif
-
-
-#if defined(ARCH_LITTLE_ENDIAN)
-#define le16_to_cpu(x) (x)
-#define le32_to_cpu(x) (x)
-#define le64_to_cpu(x) (x)
-#define be16_to_cpu(x) bswap_16(x)
-#define be32_to_cpu(x) bswap_32(x)
-#define be64_to_cpu(x) bswap_64(x)
-#define cpu_to_le16(x) (x)
-#define cpu_to_le32(x) (x)
-#define cpu_to_le64(x) (x)
-#define cpu_to_be16(x) bswap_16(x)
-#define cpu_to_be32(x) bswap_32(x)
-#define cpu_to_be64(x) bswap_64(x)
-#define LE16_TO_CPU(x) (x)
-#define LE32_TO_CPU(x) (x)
-#define LE64_TO_CPU(x) (x)
-#define BE16_TO_CPU(x) BSWAP_16(x)
-#define BE32_TO_CPU(x) BSWAP_32(x)
-#define BE64_TO_CPU(x) BSWAP_64(x)
-#define CPU_TO_LE16(x) (x)
-#define CPU_TO_LE32(x) (x)
-#define CPU_TO_LE64(x) (x)
-#define CPU_TO_BE16(x) BSWAP_16(x)
-#define CPU_TO_BE32(x) BSWAP_32(x)
-#define CPU_TO_BE64(x) BSWAP_64(x)
-#endif
-
-
-static inline uint16_t bswap_16(const uint16_t x)
- __attribute__ ((warn_unused_result))
- __attribute__ ((const))
- __attribute__ ((always_inline));
-
-static inline uint16_t bswap_16(const uint16_t x) {
- if (__builtin_constant_p(x))
- return BSWAP_16(x);
-
- uint8_t tmp;
- union { uint16_t x; uint8_t b[2]; } data;
-
- data.x = x;
- tmp = data.b[0];
- data.b[0] = data.b[1];
- data.b[1] = tmp;
-
- return data.x;
-}
-
-static inline uint32_t bswap_32(const uint32_t x)
- __attribute__ ((warn_unused_result))
- __attribute__ ((const))
- __attribute__ ((always_inline));
-
-
-static inline uint32_t bswap_32(const uint32_t x) {
- if (__builtin_constant_p(x))
- return BSWAP_32(x);
-
- uint8_t tmp;
- union { uint32_t x; uint8_t b[4]; } data;
-
- data.x = x;
- tmp = data.b[0];
- data.b[0] = data.b[3];
- data.b[3] = tmp;
- tmp = data.b[1];
- data.b[1] = data.b[2];
- data.b[2] = tmp;
-
- return data.x;
-}
-
-static inline uint64_t bswap_64(const uint64_t x)
- __attribute__ ((warn_unused_result))
- __attribute__ ((const))
- __attribute__ ((always_inline));
-
-
-static inline uint64_t bswap_64(const uint64_t x) {
- if (__builtin_constant_p(x))
- return BSWAP_64(x);
-
- uint8_t tmp;
- union { uint64_t x; uint8_t b[8]; } data;
-
- data.x = x;
- tmp = data.b[0];
- data.b[0] = data.b[7];
- data.b[7] = tmp;
- tmp = data.b[1];
- data.b[1] = data.b[6];
- data.b[6] = tmp;
- tmp = data.b[2];
- data.b[2] = data.b[5];
- data.b[5] = tmp;
- tmp = data.b[3];
- data.b[3] = data.b[4];
- data.b[4] = tmp;
-
- return data.x;
-}
-
-static inline void bswap_n(void* const data, uint8_t len)
- __attribute__ ((nonnull (1)));
-
-static inline void bswap_n(void* const data, uint8_t len) {
- uint8_t* ptr = (uint8_t*)data;
-
- for ( ; len > 1 ; ptr++, len -= 2 ) {
- uint8_t tmp = *ptr;
- *ptr = *(ptr + len - 1);
- *(ptr + len - 1) = tmp;
- }
-}
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif
-
-
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