46 lines
979 B
C
46 lines
979 B
C
|
/* Copyright 2016 The Chromium OS Authors. All rights reserved.
|
||
|
|
* Use of this source code is governed by a BSD-style license that can be
|
||
|
|
* found in the LICENSE file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __EC_BUILTIN_ENDIAN_H
|
||
|
|
#define __EC_BUILTIN_ENDIAN_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Functions to convert byte order in various sized big endian integers to
|
||
|
|
* host byte order. Note that the code currently does not require functions
|
||
|
|
* for converting little endian integers.
|
||
|
|
*/
|
||
|
|
#if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
|
||
|
|
|
||
|
|
static inline uint16_t be16toh(uint16_t in)
|
||
|
|
{
|
||
|
|
return __builtin_bswap16(in);
|
||
|
|
}
|
||
|
|
static inline uint32_t be32toh(uint32_t in)
|
||
|
|
{
|
||
|
|
return __builtin_bswap32(in);
|
||
|
|
}
|
||
|
|
static inline uint64_t be64toh(uint64_t in)
|
||
|
|
{
|
||
|
|
return __builtin_bswap64(in);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define htobe16 be16toh
|
||
|
|
#define htobe32 be32toh
|
||
|
|
#define htobe64 be64toh
|
||
|
|
|
||
|
|
#endif /* __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __EC_BUILTIN_ENDIAN_H */
|