1 /* $NetBSD: sw_states.c,v 1.1.1.1 2019/12/22 12:34:06 skrll Exp $ */
2
3 // SPDX-License-Identifier: LGPL-2.1-or-later
4 /*
5 * libfdt - Flat Device Tree manipulation
6 * Testcase for error handling with sequential write states
7 * Copyright (C) 2018 David Gibson, Red Hat Inc.
8 */
9
10 #include <stdlib.h>
11 #include <stdio.h>
12 #include <string.h>
13 #include <ctype.h>
14 #include <stdint.h>
15
16 #include <libfdt.h>
17
18 #include "tests.h"
19 #include "testdata.h"
20
21 #define SPACE 65536
22
23 #define CHECK_OK(code) \
24 do { \
25 verbose_printf(" OK: %s\n", #code); \
26 err = (code); \
27 if (err) \
28 FAIL(#code ": %s", fdt_strerror(err)); \
29 } while (0)
30
31 #define CHECK_BADSTATE(code) \
32 do { \
33 verbose_printf("BAD: %s\n", #code); \
34 err = (code); \
35 if (err == 0) \
36 FAIL(#code ": succeeded in bad state"); \
37 else if (err != -FDT_ERR_BADSTATE) \
38 FAIL(#code ": %s", fdt_strerror(err)); \
39 } while (0)
40
main(int argc,char * argv[])41 int main(int argc, char *argv[])
42 {
43 void *fdt = NULL;
44 int err;
45
46 test_init(argc, argv);
47
48 fdt = xmalloc(SPACE);
49
50 err = fdt_create(fdt, SPACE);
51 if (err)
52 FAIL("fdt_create(): %s", fdt_strerror(err));
53
54 /* Memory reserve state */
55
56 CHECK_BADSTATE(fdt_begin_node(fdt, ""));
57 CHECK_BADSTATE(fdt_property_string(fdt, "bad-str", "TEST_STRING_1"));
58 CHECK_BADSTATE(fdt_end_node(fdt));
59 CHECK_BADSTATE(fdt_finish(fdt));
60
61 CHECK_OK(fdt_add_reservemap_entry(fdt, TEST_ADDR_1, TEST_SIZE_1));
62 CHECK_OK(fdt_add_reservemap_entry(fdt, TEST_ADDR_2, TEST_SIZE_2));
63
64 CHECK_BADSTATE(fdt_begin_node(fdt, ""));
65 CHECK_BADSTATE(fdt_property_string(fdt, "bad-str", "TEST_STRING_1"));
66 CHECK_BADSTATE(fdt_end_node(fdt));
67 CHECK_BADSTATE(fdt_finish(fdt));
68
69 CHECK_OK(fdt_finish_reservemap(fdt));
70
71 /* Structure state */
72
73 CHECK_BADSTATE(fdt_add_reservemap_entry(fdt, TEST_ADDR_1, TEST_SIZE_1));
74 CHECK_BADSTATE(fdt_finish_reservemap(fdt));
75
76 CHECK_OK(fdt_begin_node(fdt, ""));
77 CHECK_OK(fdt_property_string(fdt, "compatible", "test_tree1"));
78 CHECK_OK(fdt_property_u32(fdt, "prop-int", TEST_VALUE_1));
79 CHECK_OK(fdt_property_u64(fdt, "prop-int64", TEST_VALUE64_1));
80 CHECK_OK(fdt_property_string(fdt, "prop-str", TEST_STRING_1));
81 CHECK_OK(fdt_property_u32(fdt, "#address-cells", 1));
82 CHECK_OK(fdt_property_u32(fdt, "#size-cells", 0));
83
84 CHECK_OK(fdt_begin_node(fdt, "subnode@1"));
85 CHECK_OK(fdt_property_string(fdt, "compatible", "subnode1"));
86 CHECK_OK(fdt_property_u32(fdt, "reg", 1));
87 CHECK_OK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_1));
88 CHECK_OK(fdt_begin_node(fdt, "subsubnode"));
89 CHECK_OK(fdt_property(fdt, "compatible", "subsubnode1\0subsubnode",
90 23));
91 CHECK_OK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_1));
92 CHECK_OK(fdt_end_node(fdt));
93 CHECK_OK(fdt_begin_node(fdt, "ss1"));
94 CHECK_OK(fdt_end_node(fdt));
95 CHECK_OK(fdt_end_node(fdt));
96
97 CHECK_OK(fdt_begin_node(fdt, "subnode@2"));
98 CHECK_OK(fdt_property_u32(fdt, "reg", 2));
99 CHECK_OK(fdt_property_cell(fdt, "linux,phandle", PHANDLE_1));
100 CHECK_OK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_2));
101 CHECK_OK(fdt_property_u32(fdt, "#address-cells", 1));
102 CHECK_OK(fdt_property_u32(fdt, "#size-cells", 0));
103 CHECK_OK(fdt_begin_node(fdt, "subsubnode@0"));
104 CHECK_OK(fdt_property_u32(fdt, "reg", 0));
105 CHECK_OK(fdt_property_cell(fdt, "phandle", PHANDLE_2));
106 CHECK_OK(fdt_property(fdt, "compatible", "subsubnode2\0subsubnode",
107 23));
108 CHECK_OK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_2));
109 CHECK_OK(fdt_end_node(fdt));
110 CHECK_OK(fdt_begin_node(fdt, "ss2"));
111 CHECK_OK(fdt_end_node(fdt));
112
113 CHECK_OK(fdt_end_node(fdt));
114
115 CHECK_OK(fdt_end_node(fdt));
116
117 CHECK_OK(fdt_finish(fdt));
118
119 /* Completed state */
120
121 CHECK_BADSTATE(fdt_add_reservemap_entry(fdt, TEST_ADDR_1, TEST_SIZE_1));
122 CHECK_BADSTATE(fdt_finish_reservemap(fdt));
123 CHECK_BADSTATE(fdt_begin_node(fdt, ""));
124 CHECK_BADSTATE(fdt_property_string(fdt, "bad-str", "TEST_STRING_1"));
125 CHECK_BADSTATE(fdt_end_node(fdt));
126 CHECK_BADSTATE(fdt_finish(fdt));
127
128 PASS();
129 }
130