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https://github.com/Telecominfraproject/OpenCellular.git
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c14b527ae5
This makes room for other non-EC related firmware files. Signed-off-by: David Hendricks <dhendricks@fb.com>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/**
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* Copyright (c) 2017-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#ifndef INC_COMMON_BYTEORDER_H_
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#define INC_COMMON_BYTEORDER_H_
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/* Detect endianness if using TI compiler */
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#ifndef __BYTE_ORDER__
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#define __ORDER_LITTLE_ENDIAN__ 1234
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#define __ORDER_BIG_ENDIAN__ 4321
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#ifdef __little_endian__
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#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
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#else
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#ifdef __big_endian__
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#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
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#else
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#error Unable to detect byte order!
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#endif
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#endif
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#endif
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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/* Little endian host functions here */
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#define htobe16(a) ( (((a)>>8)&0xff) + (((a)<<8)&0xff00) )
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#define betoh16(a) htobe16(a)
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#define htobe32(a) ((((a) & 0xff000000) >> 24) | (((a) & 0x00ff0000) >> 8) | \
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(((a) & 0x0000ff00) << 8) | (((a) & 0x000000ff) << 24) )
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#define betoh32(a) htobe32(a)
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#define htole16(a) a; // Host is a little endian.
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#define letoh16(a) htole16(a)
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#else
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/* Big endian host functions here */
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#define htole16(a) ( (((a)>>8)&0xff) + (((a)<<8)&0xff00) )
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#define letoh16(a) htobe16(a)
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#define htole32(a) ((((a) & 0xff000000) >> 24) | (((a) & 0x00ff0000) >> 8) | \
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(((a) & 0x0000ff00) << 8) | (((a) & 0x000000ff) << 24) )
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#define letoh32(a) htobe32(a)
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#define htobe16(a) a; // Host is a little endian.
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#define betoh16(a) htole16(a)
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#endif
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#endif /* INC_COMMON_BYTEORDER_H_ */
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