libfdt is an open-source library released under the BSD license:
libfdt - Flat Device Tree manipulation
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
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disclaimer in the documentation and/or other materials
provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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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
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libfdt allows flattened device trees to be represented as a
"blob", which is a compact flattened format. This is useful,
particularly for embedded systems, such as ARM, because it
allows many different devices to be included in a single binary
allowing for a high level of portability.
The source and more information about the library can be found
here:
http://www.denx.de/wiki/U-Boot/UBootFdtInfo
1) D. Gibson, B. Herrenschmidt. Device trees everywhere. 2006.
http://ozlabs.org/~dgibson/papers/dtc-paper.pdf
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