fa4a706338
Use the library libdt from the Device Tree Compiler project. The used version is from Wednesday 22nd August 2012 (commit: 8716901d2215a3) The Device Tree Compiler project is under dual BSD/GPL license (it means the license is either BSD or GPL). The BSD license is the license that fits to the Tianocore contribution requirements. The use of libfdt into Tianocore has been authorised by David Gibson the author of libfdt and its current maintainer Jon Loeliger (email thread on 7th September 2011). Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13760 6f19259b-4bc3-4df7-8a09-765794883524
85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2012 David Gibson, IBM Corporation.
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*
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* libfdt is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
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*
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* a) This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*
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* Alternatively,
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*
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* b) Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "libfdt_env.h"
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#include <fdt.h>
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#include <libfdt.h>
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#include "libfdt_internal.h"
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int fdt_create_empty_tree(void *buf, int bufsize)
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{
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int err;
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err = fdt_create(buf, bufsize);
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if (err)
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return err;
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err = fdt_finish_reservemap(buf);
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if (err)
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return err;
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err = fdt_begin_node(buf, "");
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if (err)
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return err;
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err = fdt_end_node(buf);
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if (err)
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return err;
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err = fdt_finish(buf);
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if (err)
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return err;
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return fdt_open_into(buf, buf, bufsize);
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}
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