phandle_format.c revision 1.1.1.1 
1/*
2 * libfdt - Flat Device Tree manipulation
3 *	Testcase for phandle format options
4 * Copyright (C) 2009 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
30#define PHANDLE_LEGACY	0x1
31#define PHANDLE_EPAPR	0x2
32#define PHANDLE_BOTH	0x3
33
34int main(int argc, char *argv[])
35{
36	void *fdt;
37	int phandle_format;
38	int n4;
39	uint32_t h4;
40
41	if (argc != 3)
42		CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]);
43
44	test_init(argc, argv);
45	fdt = load_blob(argv[1]);
46
47	if (streq(argv[2], "legacy"))
48		phandle_format = PHANDLE_LEGACY;
49	else if (streq(argv[2], "epapr"))
50		phandle_format = PHANDLE_EPAPR;
51	else if (streq(argv[2], "both"))
52		phandle_format = PHANDLE_BOTH;
53	else
54		CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]);
55
56	n4 = fdt_path_offset(fdt, "/node4");
57	if (n4 < 0)
58		FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4));
59
60	h4 = fdt_get_phandle(fdt, n4);
61	if ((h4 == 0) || (h4 == -1))
62		FAIL("/node4 has bad phandle 0x%x\n", h4);
63
64	if (phandle_format & PHANDLE_LEGACY)
65		check_getprop_cell(fdt, n4, "linux,phandle", h4);
66	else
67		if (fdt_getprop(fdt, n4, "linux,phandle", NULL))
68			FAIL("linux,phandle property present in non-legacy mode");
69
70	if (phandle_format & PHANDLE_EPAPR)
71		check_getprop_cell(fdt, n4, "phandle", h4);
72	else
73		if (fdt_getprop(fdt, n4, "phandle", NULL))
74			FAIL("phandle property present in legacy-only mode");
75
76	PASS();
77}
78