1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3 * libfdt - Flat Device Tree manipulation
4 * Testcase for variable sized cells in dtc
5 * Copyright (C) 2006 David Gibson, IBM Corporation.
6 * Copyright (C) 2011 The Chromium Authors. All rights reserved.
7 */
8 #include <stdlib.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <stdint.h>
12
13 #include <libfdt.h>
14
15 #include "tests.h"
16 #include "testdata.h"
17
check_compare_properties(void * fdt,char const * name_one,char const * name_two)18 static void check_compare_properties(void *fdt,
19 char const *name_one,
20 char const *name_two)
21 {
22 const void *propval;
23 int proplen;
24
25 propval = fdt_getprop(fdt, 0, name_one, &proplen);
26
27 if (!propval)
28 FAIL("fdt_getprop(\"%s\"): %s",
29 name_one,
30 fdt_strerror(proplen));
31
32 check_getprop(fdt, 0, name_two, proplen, propval);
33 }
34
main(int argc,char * argv[])35 int main(int argc, char *argv[])
36 {
37 void *fdt;
38 uint8_t expected_8[6] = {TEST_CHAR1,
39 TEST_CHAR2,
40 TEST_CHAR3,
41 TEST_CHAR4,
42 TEST_CHAR5,
43 TEST_VALUE_1 >> 24};
44 fdt16_t expected_16[6];
45 fdt32_t expected_32[6];
46 fdt64_t expected_64[6];
47 int i;
48
49 for (i = 0; i < 5; ++i) {
50 expected_16[i] = cpu_to_fdt16(expected_8[i]);
51 expected_32[i] = cpu_to_fdt32(expected_8[i]);
52 expected_64[i] = cpu_to_fdt64(expected_8[i]);
53 }
54
55 expected_16[5] = cpu_to_fdt16(TEST_VALUE_1 >> 16);
56 expected_32[5] = cpu_to_fdt32(TEST_VALUE_1);
57 expected_64[5] = cpu_to_fdt64(TEST_ADDR_1);
58
59 test_init(argc, argv);
60 fdt = load_blob_arg(argc, argv);
61
62 check_getprop(fdt, 0, "cells-8b", sizeof(expected_8), expected_8);
63 check_getprop(fdt, 0, "cells-16b", sizeof(expected_16), expected_16);
64 check_getprop(fdt, 0, "cells-32b", sizeof(expected_32), expected_32);
65 check_getprop(fdt, 0, "cells-64b", sizeof(expected_64), expected_64);
66
67 check_compare_properties(fdt, "cells-one-16b", "cells-one-32b");
68
69 PASS();
70 }
71