1 /* 2 * libfdt - Flat Device Tree manipulation 3 * Testcase for #address-cells and #size-cells handling 4 * Copyright (C) 2014 David Gibson, <david (at) gibson.dropbear.id.au> 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_node(const void *fdt, const char *path, int ac, int sc) 31 { 32 int offset; 33 int xac, xsc; 34 35 offset = fdt_path_offset(fdt, path); 36 if (offset < 0) 37 FAIL("Couldn't find path %s", path); 38 39 xac = fdt_address_cells(fdt, offset); 40 xsc = fdt_size_cells(fdt, offset); 41 42 if (xac != ac) 43 FAIL("Address cells for %s is %d instead of %d\n", 44 path, xac, ac); 45 if (xsc != sc) 46 FAIL("Size cells for %s is %d instead of %d\n", 47 path, xsc, sc); 48 } 49 50 int main(int argc, char *argv[]) 51 { 52 void *fdt; 53 54 if (argc != 2) 55 CONFIG("Usage: %s <dtb file>\n", argv[0]); 56 57 test_init(argc, argv); 58 fdt = load_blob(argv[1]); 59 60 check_node(fdt, "/", 2, 2); 61 check_node(fdt, "/identity-bus@0", 2, 2); 62 check_node(fdt, "/simple-bus@1000000", 2, 1); 63 PASS(); 64 } 65
