1/*
2 * libfdt - Flat Device Tree manipulation
3 *	Testcase for #address-cells and #size-cells handling
4 * Copyright (C) 2014 David Gibson, <david@gibson.dropbear.id.au>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <string.h>
23#include <stdint.h>
24
25#include <libfdt.h>
26
27#include "tests.h"
28#include "testdata.h"
29
30static void check_node(const void *fdt, const char *path, int ac, int sc)
31{
32	int offset;
33	int xac, xsc;
34
35	offset = fdt_path_offset(fdt, path);
36	if (offset < 0)
37		FAIL("Couldn't find path %s", path);
38
39	xac = fdt_address_cells(fdt, offset);
40	xsc = fdt_size_cells(fdt, offset);
41
42	if (xac != ac)
43		FAIL("Address cells for %s is %d instead of %d\n",
44		     path, xac, ac);
45	if (xsc != sc)
46		FAIL("Size cells for %s is %d instead of %d\n",
47		     path, xsc, sc);
48}
49
50int main(int argc, char *argv[])
51{
52	void *fdt;
53
54	if (argc != 2)
55		CONFIG("Usage: %s <dtb file>\n", argv[0]);
56
57	test_init(argc, argv);
58	fdt = load_blob(argv[1]);
59
60	check_node(fdt, "/", 2, 2);
61	check_node(fdt, "/identity-bus@0", 2, 2);
62	check_node(fdt, "/simple-bus@1000000", 2, 1);
63	PASS();
64}
65