84 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			84 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * libfdt - Flat Device Tree manipulation | ||
|  |  * Copyright (C) 2012 David Gibson, IBM Corporation. | ||
|  |  * | ||
|  |  * libfdt is dual licensed: you can use it either under the terms of | ||
|  |  * the GPL, or the BSD license, at your option. | ||
|  |  * | ||
|  |  *  a) This library is free software; you can redistribute it and/or | ||
|  |  *     modify it under the terms of the GNU General Public License as | ||
|  |  *     published by the Free Software Foundation; either version 2 of the | ||
|  |  *     License, or (at your option) any later version. | ||
|  |  * | ||
|  |  *     This library is distributed in the hope that it will be useful, | ||
|  |  *     but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  *     GNU General Public License for more details. | ||
|  |  * | ||
|  |  *     You should have received a copy of the GNU General Public | ||
|  |  *     License along with this library; if not, write to the Free | ||
|  |  *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | ||
|  |  *     MA 02110-1301 USA | ||
|  |  * | ||
|  |  * Alternatively, | ||
|  |  * | ||
|  |  *  b) 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 | ||
|  |  *        copyright notice, this list of conditions and the following | ||
|  |  *        disclaimer in the documentation and/or other materials | ||
|  |  *        provided with the distribution. | ||
|  |  * | ||
|  |  *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | ||
|  |  *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
|  |  *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
|  |  *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
|  |  *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | ||
|  |  *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
|  |  *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
|  |  *     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 | ||
|  |  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
|  |  *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | ||
|  |  *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|  |  */ | ||
|  | #include "libfdt_env.h"
 | ||
|  | 
 | ||
|  | #include <fdt.h>
 | ||
|  | #include <libfdt.h>
 | ||
|  | 
 | ||
|  | #include "libfdt_internal.h"
 | ||
|  | 
 | ||
|  | int fdt_create_empty_tree(void *buf, int bufsize) | ||
|  | { | ||
|  | 	int err; | ||
|  | 
 | ||
|  | 	err = fdt_create(buf, bufsize); | ||
|  | 	if (err) | ||
|  | 		return err; | ||
|  | 
 | ||
|  | 	err = fdt_finish_reservemap(buf); | ||
|  | 	if (err) | ||
|  | 		return err; | ||
|  | 
 | ||
|  | 	err = fdt_begin_node(buf, ""); | ||
|  | 	if (err) | ||
|  | 		return err; | ||
|  | 
 | ||
|  | 	err =  fdt_end_node(buf); | ||
|  | 	if (err) | ||
|  | 		return err; | ||
|  | 
 | ||
|  | 	err = fdt_finish(buf); | ||
|  | 	if (err) | ||
|  | 		return err; | ||
|  | 
 | ||
|  | 	return fdt_open_into(buf, buf, bufsize); | ||
|  | } |