1/*	$NetBSD: phandle_format.c,v 1.1.1.3 2019/12/22 12:34:07 skrll Exp $	*/
2
3// SPDX-License-Identifier: LGPL-2.1-or-later
4/*
5 * libfdt - Flat Device Tree manipulation
6 *	Testcase for phandle format options
7 * Copyright (C) 2009 David Gibson, IBM Corporation.
8 */
9#include <stdlib.h>
10#include <stdio.h>
11#include <string.h>
12#include <stdint.h>
13
14#include <libfdt.h>
15
16#include "tests.h"
17#include "testdata.h"
18
19#define PHANDLE_LEGACY	0x1
20#define PHANDLE_EPAPR	0x2
21#define PHANDLE_BOTH	0x3
22
23int main(int argc, char *argv[])
24{
25	void *fdt;
26	int phandle_format;
27	int n4;
28	uint32_t h4;
29
30	if (argc != 3)
31		CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]);
32
33	test_init(argc, argv);
34	fdt = load_blob(argv[1]);
35
36	if (streq(argv[2], "legacy"))
37		phandle_format = PHANDLE_LEGACY;
38	else if (streq(argv[2], "epapr"))
39		phandle_format = PHANDLE_EPAPR;
40	else if (streq(argv[2], "both"))
41		phandle_format = PHANDLE_BOTH;
42	else
43		CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]);
44
45	n4 = fdt_path_offset(fdt, "/node4");
46	if (n4 < 0)
47		FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4));
48
49	h4 = fdt_get_phandle(fdt, n4);
50	if ((h4 == 0) || (h4 == -1))
51		FAIL("/node4 has bad phandle 0x%x\n", h4);
52
53	if (phandle_format & PHANDLE_LEGACY)
54		check_getprop_cell(fdt, n4, "linux,phandle", h4);
55	else
56		if (fdt_getprop(fdt, n4, "linux,phandle", NULL))
57			FAIL("linux,phandle property present in non-legacy mode");
58
59	if (phandle_format & PHANDLE_EPAPR)
60		check_getprop_cell(fdt, n4, "phandle", h4);
61	else
62		if (fdt_getprop(fdt, n4, "phandle", NULL))
63			FAIL("phandle property present in legacy-only mode");
64
65	PASS();
66}
67