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
check_phandle(void * fdt,const char * path,uint32_t checkhandle)30 static 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
main(int argc,char * argv[])45 int 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