/* $NetBSD: node_offset_by_phandle.c,v 1.1.1.3 2019/12/22 12:34:07 skrll Exp $ */ // SPDX-License-Identifier: LGPL-2.1-or-later /* * libfdt - Flat Device Tree manipulation * Testcase for fdt_node_offset_by_phandle() * Copyright (C) 2006 David Gibson, IBM Corporation. */ #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(); }