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 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 45 int main(int argc, char *argv[]) 46 { 47 void *fdt; 48 49 test_init(argc, argv); 50 fdt = load_blob_arg(argc, argv); 51 52 check_phandle(fdt, "/", 0); 53 check_phandle(fdt, "/subnode@2", PHANDLE_1); 54 check_phandle(fdt, "/subnode@2/subsubnode@0", PHANDLE_2); 55 56 PASS(); 57 } 58