1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Tests for bootm routines
*
* Copyright 2020 Google LLC
*/
#include <common.h>
#include <bootm.h>
#include <asm/global_data.h>
#include <test/suites.h>
#include <test/test.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
#define BOOTM_TEST(_name, _flags) UNIT_TEST(_name, _flags, bootm_test)
enum {
BUF_SIZE = 1024,
};
#define CONSOLE_STR "console=/dev/ttyS0"
/* Test cmdline processing where nothing happens */
static int bootm_test_nop(struct unit_test_state *uts)
{
char buf[BUF_SIZE];
*buf = '\0';
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true));
ut_asserteq_str("", buf);
strcpy(buf, "test");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true));
ut_asserteq_str("test", buf);
return 0;
}
BOOTM_TEST(bootm_test_nop, 0);
/* Test cmdline processing when out of space */
static int bootm_test_nospace(struct unit_test_state *uts)
{
char buf[BUF_SIZE];
/* Zero buffer size */
*buf = '\0';
ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 0, true));
/* Buffer string not terminated */
memset(buf, 'a', BUF_SIZE);
ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, BUF_SIZE, true));
/* Not enough space to copy string */
memset(buf, '\0', BUF_SIZE);
memset(buf, 'a', BUF_SIZE / 2);
ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, BUF_SIZE, true));
/* Just enough space */
memset(buf, '\0', BUF_SIZE);
memset(buf, 'a', BUF_SIZE / 2 - 1);
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true));
return 0;
}
BOOTM_TEST(bootm_test_nospace, 0);
/* Test silent processing */
static int bootm_test_silent(struct unit_test_state *uts)
{
char buf[BUF_SIZE];
/* 'silent_linux' not set should do nothing */
env_set("silent_linux", NULL);
strcpy(buf, CONSOLE_STR);
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
ut_asserteq_str(CONSOLE_STR, buf);
ut_assertok(env_set("silent_linux", "no"));
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
ut_asserteq_str(CONSOLE_STR, buf);
ut_assertok(env_set("silent_linux", "yes"));
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
ut_asserteq_str("console=ttynull", buf);
/* Empty buffer should still add the string */
*buf = '\0';
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
ut_asserteq_str("console=ttynull", buf);
/* Check nothing happens when do_silent is false */
*buf = '\0';
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, 0));
ut_asserteq_str("", buf);
/* Not enough space */
*buf = '\0';
ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 15, BOOTM_CL_SILENT));
/* Just enough space */
*buf = '\0';
ut_assertok(bootm_process_cmdline(buf, 16, BOOTM_CL_SILENT));
/* add at end */
strcpy(buf, "something");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
ut_asserteq_str("something console=ttynull", buf);
/* change at start */
strcpy(buf, CONSOLE_STR " something");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
ut_asserteq_str("console=ttynull something", buf);
return 0;
}
BOOTM_TEST(bootm_test_silent, 0);
/* Test substitution processing */
static int bootm_test_subst(struct unit_test_state *uts)
{
char buf[BUF_SIZE];
/* try with an unset variable */
ut_assertok(env_set("var", NULL));
strcpy(buf, "some${var}thing");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
ut_asserteq_str("something", buf);
/* Replace with shorter string */
ut_assertok(env_set("var", "bb"));
strcpy(buf, "some${var}thing");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
ut_asserteq_str("somebbthing", buf);
/* Replace with same-length string */
ut_assertok(env_set("var", "abc"));
strcpy(buf, "some${var}thing");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
ut_asserteq_str("someabcthing", buf);
/* Replace with longer string */
ut_assertok(env_set("var", "abcde"));
strcpy(buf, "some${var}thing");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
ut_asserteq_str("someabcdething", buf);
/* Check it is case sensitive */
ut_assertok(env_set("VAR", NULL));
strcpy(buf, "some${VAR}thing");
ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
ut_asserteq_str("something", buf);
/* Check too long - need 12 bytes for each string */
strcpy(buf, "some${var}thing");
ut_asserteq(-ENOSPC,
bootm_process_cmdline(buf, 12 * 2 - 1, BOOTM_CL_SUBST));
/* Check just enough space */
strcpy(buf, "some${var}thing");
ut_assertok(bootm_process_cmdline(buf, 16 * 2, BOOTM_CL_SUBST));
ut_asserteq_str("someabcdething", buf);
/*
* Check the substition string being too long. This results in a string
* of 12 (13 bytes). We need enough space for that plus the original
* "a${var}c" string of 9 bytes. So 12 + 9 = 21 bytes.
*/
ut_assertok(env_set("var", "1234567890"));
strcpy(buf, "a${var}c");
ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 21, BOOTM_CL_SUBST));
strcpy(buf, "a${var}c");
ut_asserteq(0, bootm_process_cmdline(buf, 22, BOOTM_CL_SUBST));
/* Check multiple substitutions */
ut_assertok(env_set("var", "abc"));
strcpy(buf, "some${var}thing${bvar}else");
ut_asserteq(0, bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
ut_asserteq_str("someabcthingelse", buf);
/* Check multiple substitutions */
ut_assertok(env_set("bvar", "123"));
strcpy(buf, "some${var}thing${bvar}else");
ut_asserteq(0, bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
ut_asserteq_str("someabcthing123else", buf);
return 0;
}
BOOTM_TEST(bootm_test_subst, 0);
/* Test silent processing in the bootargs variable */
static int bootm_test_silent_var(struct unit_test_state *uts)
{
env_set("bootargs", NULL);
ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SUBST));
ut_assertnull(env_get("bootargs"));
ut_assertok(env_set("bootargs", "some${var}thing"));
ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SUBST));
ut_asserteq_str("something", env_get("bootargs"));
return 0;
}
BOOTM_TEST(bootm_test_silent_var, 0);
/* Test substitution processing in the bootargs variable */
static int bootm_test_subst_var(struct unit_test_state *uts)
{
env_set("bootargs", NULL);
ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
ut_asserteq_str("console=ttynull", env_get("bootargs"));
ut_assertok(env_set("var", "abc"));
ut_assertok(env_set("bootargs", "some${var}thing"));
ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
ut_asserteq_str("some${var}thing console=ttynull", env_get("bootargs"));
return 0;
}
BOOTM_TEST(bootm_test_subst_var, 0);
/* Test substitution and silent console processing in the bootargs variable */
static int bootm_test_subst_both(struct unit_test_state *uts)
{
ut_assertok(env_set("silent_linux", "yes"));
env_set("bootargs", NULL);
ut_assertok(bootm_process_cmdline_env(BOOTM_CL_ALL));
ut_asserteq_str("console=ttynull", env_get("bootargs"));
ut_assertok(env_set("bootargs", "some${var}thing " CONSOLE_STR));
ut_assertok(env_set("var", "1234567890"));
ut_assertok(bootm_process_cmdline_env(BOOTM_CL_ALL));
ut_asserteq_str("some1234567890thing console=ttynull", env_get("bootargs"));
return 0;
}
BOOTM_TEST(bootm_test_subst_both, 0);
int do_ut_bootm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(bootm_test);
const int n_ents = UNIT_TEST_SUITE_COUNT(bootm_test);
return cmd_ut_category("bootm", "bootm_test_", tests, n_ents,
argc, argv);
}
|
