/* $NetBSD: addr_size_cells.c,v 1.1.1.2 2017/06/08 15:59:26 skrll Exp $ */ /* * libfdt - Flat Device Tree manipulation * Testcase for #address-cells and #size-cells handling * Copyright (C) 2014 David Gibson, <david@gibson.dropbear.id.au> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stdlib.h> #include <stdio.h> #include <string.h> #include <stdint.h> #include <libfdt.h> #include "tests.h" #include "testdata.h" static void check_node(const void *fdt, const char *path, int ac, int sc) { int offset; int xac, xsc; offset = fdt_path_offset(fdt, path); if (offset < 0) FAIL("Couldn't find path %s", path); xac = fdt_address_cells(fdt, offset); xsc = fdt_size_cells(fdt, offset); if (xac != ac) FAIL("Address cells for %s is %d instead of %d\n", path, xac, ac); if (xsc != sc) FAIL("Size cells for %s is %d instead of %d\n", path, xsc, sc); } int main(int argc, char *argv[]) { void *fdt; if (argc != 2) CONFIG("Usage: %s <dtb file>\n", argv[0]); test_init(argc, argv); fdt = load_blob(argv[1]); check_node(fdt, "/", 2, 2); check_node(fdt, "/identity-bus@0", 2, 2); check_node(fdt, "/simple-bus@1000000", 2, 1); PASS(); } |