1/*
2 * libfdt - Flat Device Tree manipulation
3 *	Testcase for fdt_get_phandle()
4 * Copyright (C) 2006 David Gibson, IBM Corporation.
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_phandle(void *fdt, const char *path, uint32_t checkhandle)
31{
32	int offset;
33	uint32_t phandle;
34
35	offset = fdt_path_offset(fdt, path);
36	if (offset < 0)
37		FAIL("Couldn't find %s", path);
38
39	phandle = fdt_get_phandle(fdt, offset);
40	if (phandle != checkhandle)
41		FAIL("fdt_get_phandle(%s) returned 0x%x instead of 0x%x\n",
42		     path, phandle, checkhandle);
43}
44
45int main(int argc, char *argv[])
46{
47	uint32_t max;
48	void *fdt;
49
50	test_init(argc, argv);
51	fdt = load_blob_arg(argc, argv);
52
53	check_phandle(fdt, "/", 0);
54	check_phandle(fdt, "/subnode@2", PHANDLE_1);
55	check_phandle(fdt, "/subnode@2/subsubnode@0", PHANDLE_2);
56
57	max = fdt_get_max_phandle(fdt);
58	if (max != PHANDLE_2)
59		FAIL("fdt_get_max_phandle returned 0x%x instead of 0x%x\n",
60		     max, PHANDLE_2);
61
62	PASS();
63}
64