1*d18719a4STom Rini /*
2*d18719a4STom Rini * libfdt - Flat Device Tree manipulation
3*d18719a4STom Rini * Copyright (C) 2012 David Gibson, IBM Corporation.
4*d18719a4STom Rini *
5*d18719a4STom Rini * libfdt is dual licensed: you can use it either under the terms of
6*d18719a4STom Rini * the GPL, or the BSD license, at your option.
7*d18719a4STom Rini *
8*d18719a4STom Rini * a) This library is free software; you can redistribute it and/or
9*d18719a4STom Rini * modify it under the terms of the GNU General Public License as
10*d18719a4STom Rini * published by the Free Software Foundation; either version 2 of the
11*d18719a4STom Rini * License, or (at your option) any later version.
12*d18719a4STom Rini *
13*d18719a4STom Rini * This library is distributed in the hope that it will be useful,
14*d18719a4STom Rini * but WITHOUT ANY WARRANTY; without even the implied warranty of
15*d18719a4STom Rini * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16*d18719a4STom Rini * GNU General Public License for more details.
17*d18719a4STom Rini *
18*d18719a4STom Rini * You should have received a copy of the GNU General Public
19*d18719a4STom Rini * License along with this library; if not, write to the Free
20*d18719a4STom Rini * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
21*d18719a4STom Rini * MA 02110-1301 USA
22*d18719a4STom Rini *
23*d18719a4STom Rini * Alternatively,
24*d18719a4STom Rini *
25*d18719a4STom Rini * b) Redistribution and use in source and binary forms, with or
26*d18719a4STom Rini * without modification, are permitted provided that the following
27*d18719a4STom Rini * conditions are met:
28*d18719a4STom Rini *
29*d18719a4STom Rini * 1. Redistributions of source code must retain the above
30*d18719a4STom Rini * copyright notice, this list of conditions and the following
31*d18719a4STom Rini * disclaimer.
32*d18719a4STom Rini * 2. Redistributions in binary form must reproduce the above
33*d18719a4STom Rini * copyright notice, this list of conditions and the following
34*d18719a4STom Rini * disclaimer in the documentation and/or other materials
35*d18719a4STom Rini * provided with the distribution.
36*d18719a4STom Rini *
37*d18719a4STom Rini * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
38*d18719a4STom Rini * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
39*d18719a4STom Rini * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
40*d18719a4STom Rini * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
41*d18719a4STom Rini * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
42*d18719a4STom Rini * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43*d18719a4STom Rini * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44*d18719a4STom Rini * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45*d18719a4STom Rini * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46*d18719a4STom Rini * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
47*d18719a4STom Rini * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
48*d18719a4STom Rini * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
49*d18719a4STom Rini * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
50*d18719a4STom Rini */
51*d18719a4STom Rini #include "libfdt_env.h"
52*d18719a4STom Rini
53*d18719a4STom Rini #include <fdt.h>
54*d18719a4STom Rini #include <libfdt.h>
55*d18719a4STom Rini
56*d18719a4STom Rini #include "libfdt_internal.h"
57*d18719a4STom Rini
fdt_create_empty_tree(void * buf,int bufsize)58*d18719a4STom Rini int fdt_create_empty_tree(void *buf, int bufsize)
59*d18719a4STom Rini {
60*d18719a4STom Rini int err;
61*d18719a4STom Rini
62*d18719a4STom Rini err = fdt_create(buf, bufsize);
63*d18719a4STom Rini if (err)
64*d18719a4STom Rini return err;
65*d18719a4STom Rini
66*d18719a4STom Rini err = fdt_finish_reservemap(buf);
67*d18719a4STom Rini if (err)
68*d18719a4STom Rini return err;
69*d18719a4STom Rini
70*d18719a4STom Rini err = fdt_begin_node(buf, "");
71*d18719a4STom Rini if (err)
72*d18719a4STom Rini return err;
73*d18719a4STom Rini
74*d18719a4STom Rini err = fdt_end_node(buf);
75*d18719a4STom Rini if (err)
76*d18719a4STom Rini return err;
77*d18719a4STom Rini
78*d18719a4STom Rini err = fdt_finish(buf);
79*d18719a4STom Rini if (err)
80*d18719a4STom Rini return err;
81*d18719a4STom Rini
82*d18719a4STom Rini return fdt_open_into(buf, buf, bufsize);
83*d18719a4STom Rini }
84