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1 /* |
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2 * libfdt - Flat Device Tree manipulation |
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3 * Testcase for phandle references in dtc |
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4 * Copyright (C) 2006 David Gibson, IBM Corporation. |
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5 * |
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6 * This library is free software; you can redistribute it and/or |
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7 * modify it under the terms of the GNU Lesser General Public License |
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8 * as published by the Free Software Foundation; either version 2.1 of |
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9 * the License, or (at your option) any later version. |
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10 * |
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11 * This library is distributed in the hope that it will be useful, but |
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 * Lesser General Public License for more details. |
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15 * |
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16 * You should have received a copy of the GNU Lesser General Public |
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17 * License along with this library; if not, write to the Free Software |
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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19 */ |
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20 #include <stdlib.h> |
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21 #include <stdio.h> |
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22 #include <string.h> |
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23 #include <stdint.h> |
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24 |
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25 #include <fdt.h> |
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26 #include <libfdt.h> |
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27 |
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28 #include "tests.h" |
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29 #include "testdata.h" |
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30 |
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31 void check_ref(const void *fdt, int node, uint32_t checkref) |
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32 { |
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33 const uint32_t *p; |
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34 uint32_t ref; |
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35 int len; |
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36 |
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37 p = fdt_getprop(fdt, node, "ref", &len); |
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38 if (!p) |
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39 FAIL("fdt_getprop(%d, \"ref\"): %s", node, fdt_strerror(len)); |
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40 if (len != sizeof(*p)) |
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41 FAIL("'ref' in node at %d has wrong size (%d instead of %zd)", |
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42 node, len, sizeof(*p)); |
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43 ref = fdt32_to_cpu(*p); |
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44 if (ref != checkref) |
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45 FAIL("'ref' in node at %d has value 0x%x instead of 0x%x", |
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46 node, ref, checkref); |
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47 |
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48 p = fdt_getprop(fdt, node, "lref", &len); |
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49 if (!p) |
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50 FAIL("fdt_getprop(%d, \"lref\"): %s", node, fdt_strerror(len)); |
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51 if (len != sizeof(*p)) |
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52 FAIL("'lref' in node at %d has wrong size (%d instead of %zd)", |
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53 node, len, sizeof(*p)); |
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54 ref = fdt32_to_cpu(*p); |
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55 if (ref != checkref) |
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56 FAIL("'lref' in node at %d has value 0x%x instead of 0x%x", |
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57 node, ref, checkref); |
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58 } |
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59 |
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60 int main(int argc, char *argv[]) |
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61 { |
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62 void *fdt; |
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63 int n1, n2, n3, n4; |
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64 uint32_t h1, h2, h4; |
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65 |
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66 test_init(argc, argv); |
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67 fdt = load_blob_arg(argc, argv); |
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68 |
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69 n1 = fdt_path_offset(fdt, "/node1"); |
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70 if (n1 < 0) |
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71 FAIL("fdt_path_offset(/node1): %s", fdt_strerror(n1)); |
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72 n2 = fdt_path_offset(fdt, "/node2"); |
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73 if (n2 < 0) |
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74 FAIL("fdt_path_offset(/node2): %s", fdt_strerror(n2)); |
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75 n3 = fdt_path_offset(fdt, "/node3"); |
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76 if (n3 < 0) |
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77 FAIL("fdt_path_offset(/node3): %s", fdt_strerror(n3)); |
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78 n4 = fdt_path_offset(fdt, "/node4"); |
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79 if (n4 < 0) |
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80 FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4)); |
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81 |
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82 h1 = fdt_get_phandle(fdt, n1); |
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83 h2 = fdt_get_phandle(fdt, n2); |
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84 h4 = fdt_get_phandle(fdt, n4); |
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85 |
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86 if (h1 != 0x2000) |
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87 FAIL("/node1 has wrong phandle, 0x%x instead of 0x%x", |
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88 h1, 0x2000); |
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89 if (h2 != 0x1) |
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90 FAIL("/node2 has wrong phandle, 0x%x instead of 0x%x", |
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91 h2, 0x1); |
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92 if ((h4 == 0x2000) || (h4 == 0x1) || (h4 == 0)) |
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93 FAIL("/node4 has bad phandle, 0x%x", h4); |
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94 |
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95 check_ref(fdt, n1, h2); |
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96 check_ref(fdt, n2, h1); |
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97 check_ref(fdt, n3, h4); |
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98 |
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99 PASS(); |
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100 } |