/* $NetBSD: node_offset_by_phandle.c,v 1.1.1.2 2017/06/08 15:59:27 skrll Exp $ */ /* * libfdt - Flat Device Tree manipulation * Testcase for fdt_node_offset_by_phandle() * Copyright (C) 2006 David Gibson, IBM Corporation. * * 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 #include #include #include #include #include #include "tests.h" #include "testdata.h" static void check_search(void *fdt, uint32_t phandle, int target) { int offset; offset = fdt_node_offset_by_phandle(fdt, phandle); if (offset != target) FAIL("fdt_node_offset_by_phandle(0x%x) returns %d " "instead of %d", phandle, offset, target); } int main(int argc, char *argv[]) { void *fdt; int subnode2_offset, subsubnode2_offset; test_init(argc, argv); fdt = load_blob_arg(argc, argv); subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode@0"); if ((subnode2_offset < 0) || (subsubnode2_offset < 0)) FAIL("Can't find required nodes"); check_search(fdt, PHANDLE_1, subnode2_offset); check_search(fdt, PHANDLE_2, subsubnode2_offset); check_search(fdt, ~PHANDLE_1, -FDT_ERR_NOTFOUND); check_search(fdt, 0, -FDT_ERR_BADPHANDLE); check_search(fdt, -1, -FDT_ERR_BADPHANDLE); PASS(); }