1 /* 2 * libfdt - Flat Device Tree manipulation 3 * Testcase for phandle format options 4 * Copyright (C) 2009 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 #define PHANDLE_LEGACY 0x1 31 #define PHANDLE_EPAPR 0x2 32 #define PHANDLE_BOTH 0x3 33 34 int main(int argc, char *argv[]) 35 { 36 void *fdt; 37 int phandle_format; 38 int n4; 39 uint32_t h4; 40 41 if (argc != 3) 42 CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]); 43 44 test_init(argc, argv); 45 fdt = load_blob(argv[1]); 46 47 if (streq(argv[2], "legacy")) 48 phandle_format = PHANDLE_LEGACY; 49 else if (streq(argv[2], "epapr")) 50 phandle_format = PHANDLE_EPAPR; 51 else if (streq(argv[2], "both")) 52 phandle_format = PHANDLE_BOTH; 53 else 54 CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]); 55 56 n4 = fdt_path_offset(fdt, "/node4"); 57 if (n4 < 0) 58 FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4)); 59 60 h4 = fdt_get_phandle(fdt, n4); 61 if ((h4 == 0) || (h4 == -1)) 62 FAIL("/node4 has bad phandle 0x%x\n", h4); 63 64 if (phandle_format & PHANDLE_LEGACY) 65 check_getprop_cell(fdt, n4, "linux,phandle", h4); 66 else 67 if (fdt_getprop(fdt, n4, "linux,phandle", NULL)) 68 FAIL("linux,phandle property present in non-legacy mode"); 69 70 if (phandle_format & PHANDLE_EPAPR) 71 check_getprop_cell(fdt, n4, "phandle", h4); 72 else 73 if (fdt_getprop(fdt, n4, "phandle", NULL)) 74 FAIL("phandle property present in legacy-only mode"); 75 76 PASS(); 77 } 78
