Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Tests for bootm routines |
| 4 | * |
| 5 | * Copyright 2020 Google LLC |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <bootm.h> |
| 10 | #include <test/suites.h> |
| 11 | #include <test/test.h> |
| 12 | #include <test/ut.h> |
| 13 | |
| 14 | DECLARE_GLOBAL_DATA_PTR; |
| 15 | |
| 16 | #define BOOTM_TEST(_name, _flags) UNIT_TEST(_name, _flags, bootm_test) |
| 17 | |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 18 | enum { |
| 19 | BUF_SIZE = 1024, |
| 20 | }; |
| 21 | |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 22 | #define CONSOLE_STR "console=/dev/ttyS0" |
| 23 | |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 24 | /* Test cmdline processing where nothing happens */ |
| 25 | static int bootm_test_nop(struct unit_test_state *uts) |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 26 | { |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 27 | char buf[BUF_SIZE]; |
| 28 | |
| 29 | *buf = '\0'; |
| 30 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true)); |
| 31 | ut_asserteq_str("", buf); |
| 32 | |
| 33 | strcpy(buf, "test"); |
| 34 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true)); |
| 35 | ut_asserteq_str("test", buf); |
| 36 | |
| 37 | return 0; |
| 38 | } |
| 39 | BOOTM_TEST(bootm_test_nop, 0); |
| 40 | |
| 41 | /* Test cmdline processing when out of space */ |
| 42 | static int bootm_test_nospace(struct unit_test_state *uts) |
| 43 | { |
| 44 | char buf[BUF_SIZE]; |
| 45 | |
| 46 | /* Zero buffer size */ |
| 47 | *buf = '\0'; |
| 48 | ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 0, true)); |
| 49 | |
| 50 | /* Buffer string not terminated */ |
| 51 | memset(buf, 'a', BUF_SIZE); |
| 52 | ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, BUF_SIZE, true)); |
| 53 | |
| 54 | /* Not enough space to copy string */ |
| 55 | memset(buf, '\0', BUF_SIZE); |
| 56 | memset(buf, 'a', BUF_SIZE / 2); |
| 57 | ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, BUF_SIZE, true)); |
| 58 | |
| 59 | /* Just enough space */ |
| 60 | memset(buf, '\0', BUF_SIZE); |
| 61 | memset(buf, 'a', BUF_SIZE / 2 - 1); |
| 62 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true)); |
| 63 | |
| 64 | return 0; |
| 65 | } |
| 66 | BOOTM_TEST(bootm_test_nospace, 0); |
| 67 | |
| 68 | /* Test silent processing */ |
| 69 | static int bootm_test_silent(struct unit_test_state *uts) |
| 70 | { |
| 71 | char buf[BUF_SIZE]; |
| 72 | |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 73 | /* 'silent_linux' not set should do nothing */ |
| 74 | env_set("silent_linux", NULL); |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 75 | strcpy(buf, CONSOLE_STR); |
| 76 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT)); |
| 77 | ut_asserteq_str(CONSOLE_STR, buf); |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 78 | |
| 79 | ut_assertok(env_set("silent_linux", "no")); |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 80 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT)); |
| 81 | ut_asserteq_str(CONSOLE_STR, buf); |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 82 | |
| 83 | ut_assertok(env_set("silent_linux", "yes")); |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 84 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT)); |
| 85 | ut_asserteq_str("console=", buf); |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 86 | |
| 87 | /* Empty buffer should still add the string */ |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 88 | *buf = '\0'; |
| 89 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT)); |
| 90 | ut_asserteq_str("console=", buf); |
| 91 | |
| 92 | /* Check nothing happens when do_silent is false */ |
| 93 | *buf = '\0'; |
| 94 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, 0)); |
| 95 | ut_asserteq_str("", buf); |
| 96 | |
| 97 | /* Not enough space */ |
| 98 | *buf = '\0'; |
| 99 | ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 8, BOOTM_CL_SILENT)); |
| 100 | |
| 101 | /* Just enough space */ |
| 102 | *buf = '\0'; |
| 103 | ut_assertok(bootm_process_cmdline(buf, 9, BOOTM_CL_SILENT)); |
| 104 | |
| 105 | /* add at end */ |
| 106 | strcpy(buf, "something"); |
| 107 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT)); |
| 108 | ut_asserteq_str("something console=", buf); |
| 109 | |
| 110 | /* change at start */ |
| 111 | strcpy(buf, CONSOLE_STR " something"); |
| 112 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT)); |
| 113 | ut_asserteq_str("console= something", buf); |
| 114 | |
| 115 | return 0; |
| 116 | } |
| 117 | BOOTM_TEST(bootm_test_silent, 0); |
| 118 | |
Simon Glass | 529e208 | 2020-11-05 10:33:48 -0700 | [diff] [blame] | 119 | /* Test substitution processing */ |
| 120 | static int bootm_test_subst(struct unit_test_state *uts) |
| 121 | { |
| 122 | char buf[BUF_SIZE]; |
| 123 | |
| 124 | /* try with an unset variable */ |
| 125 | ut_assertok(env_set("var", NULL)); |
| 126 | strcpy(buf, "some${var}thing"); |
| 127 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST)); |
| 128 | ut_asserteq_str("something", buf); |
| 129 | |
| 130 | /* Replace with shorter string */ |
| 131 | ut_assertok(env_set("var", "bb")); |
| 132 | strcpy(buf, "some${var}thing"); |
| 133 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST)); |
| 134 | ut_asserteq_str("somebbthing", buf); |
| 135 | |
| 136 | /* Replace with same-length string */ |
| 137 | ut_assertok(env_set("var", "abc")); |
| 138 | strcpy(buf, "some${var}thing"); |
| 139 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST)); |
| 140 | ut_asserteq_str("someabcthing", buf); |
| 141 | |
| 142 | /* Replace with longer string */ |
| 143 | ut_assertok(env_set("var", "abcde")); |
| 144 | strcpy(buf, "some${var}thing"); |
| 145 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST)); |
| 146 | ut_asserteq_str("someabcdething", buf); |
| 147 | |
| 148 | /* Check it is case sensitive */ |
| 149 | ut_assertok(env_set("VAR", NULL)); |
| 150 | strcpy(buf, "some${VAR}thing"); |
| 151 | ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST)); |
| 152 | ut_asserteq_str("something", buf); |
| 153 | |
| 154 | /* Check too long - need 12 bytes for each string */ |
| 155 | strcpy(buf, "some${var}thing"); |
| 156 | ut_asserteq(-ENOSPC, |
| 157 | bootm_process_cmdline(buf, 12 * 2 - 1, BOOTM_CL_SUBST)); |
| 158 | |
| 159 | /* Check just enough space */ |
| 160 | strcpy(buf, "some${var}thing"); |
| 161 | ut_assertok(bootm_process_cmdline(buf, 16 * 2, BOOTM_CL_SUBST)); |
| 162 | ut_asserteq_str("someabcdething", buf); |
| 163 | |
| 164 | /* |
| 165 | * Check the substition string being too long. This results in a string |
| 166 | * of 12 (13 bytes). We need enough space for that plus the original |
| 167 | * "a${var}c" string of 9 bytes. So 12 + 9 = 21 bytes. |
| 168 | */ |
| 169 | ut_assertok(env_set("var", "1234567890")); |
| 170 | strcpy(buf, "a${var}c"); |
| 171 | ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 21, BOOTM_CL_SUBST)); |
| 172 | |
| 173 | strcpy(buf, "a${var}c"); |
| 174 | ut_asserteq(0, bootm_process_cmdline(buf, 22, BOOTM_CL_SUBST)); |
| 175 | |
| 176 | /* Check multiple substitutions */ |
| 177 | ut_assertok(env_set("var", "abc")); |
| 178 | strcpy(buf, "some${var}thing${bvar}else"); |
| 179 | ut_asserteq(0, bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST)); |
| 180 | ut_asserteq_str("someabcthingelse", buf); |
| 181 | |
| 182 | /* Check multiple substitutions */ |
| 183 | ut_assertok(env_set("bvar", "123")); |
| 184 | strcpy(buf, "some${var}thing${bvar}else"); |
| 185 | ut_asserteq(0, bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST)); |
| 186 | ut_asserteq_str("someabcthing123else", buf); |
| 187 | |
| 188 | return 0; |
| 189 | } |
| 190 | BOOTM_TEST(bootm_test_subst, 0); |
| 191 | |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 192 | /* Test silent processing in the bootargs variable */ |
| 193 | static int bootm_test_silent_var(struct unit_test_state *uts) |
| 194 | { |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 195 | env_set("bootargs", NULL); |
Simon Glass | 529e208 | 2020-11-05 10:33:48 -0700 | [diff] [blame] | 196 | ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SUBST)); |
Simon Glass | b4e1b6d | 2020-11-05 10:33:45 -0700 | [diff] [blame] | 197 | ut_assertnull(env_get("bootargs")); |
| 198 | |
Simon Glass | 529e208 | 2020-11-05 10:33:48 -0700 | [diff] [blame] | 199 | ut_assertok(env_set("bootargs", "some${var}thing")); |
| 200 | ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SUBST)); |
| 201 | ut_asserteq_str("something", env_get("bootargs")); |
| 202 | |
| 203 | return 0; |
| 204 | } |
| 205 | BOOTM_TEST(bootm_test_silent_var, 0); |
| 206 | |
| 207 | /* Test substitution processing in the bootargs variable */ |
| 208 | static int bootm_test_subst_var(struct unit_test_state *uts) |
| 209 | { |
| 210 | env_set("bootargs", NULL); |
Simon Glass | 63660dc | 2020-11-05 10:33:44 -0700 | [diff] [blame] | 211 | ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT)); |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 212 | ut_asserteq_str("console=", env_get("bootargs")); |
| 213 | |
Simon Glass | 529e208 | 2020-11-05 10:33:48 -0700 | [diff] [blame] | 214 | ut_assertok(env_set("var", "abc")); |
| 215 | ut_assertok(env_set("bootargs", "some${var}thing")); |
| 216 | ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT)); |
| 217 | ut_asserteq_str("some${var}thing console=", env_get("bootargs")); |
| 218 | |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 219 | return 0; |
| 220 | } |
Simon Glass | 529e208 | 2020-11-05 10:33:48 -0700 | [diff] [blame] | 221 | BOOTM_TEST(bootm_test_subst_var, 0); |
| 222 | |
| 223 | /* Test substitution and silent console processing in the bootargs variable */ |
| 224 | static int bootm_test_subst_both(struct unit_test_state *uts) |
| 225 | { |
| 226 | ut_assertok(env_set("silent_linux", "yes")); |
| 227 | env_set("bootargs", NULL); |
| 228 | ut_assertok(bootm_process_cmdline_env(BOOTM_CL_ALL)); |
| 229 | ut_asserteq_str("console=", env_get("bootargs")); |
| 230 | |
| 231 | ut_assertok(env_set("bootargs", "some${var}thing " CONSOLE_STR)); |
| 232 | ut_assertok(env_set("var", "1234567890")); |
| 233 | ut_assertok(bootm_process_cmdline_env(BOOTM_CL_ALL)); |
| 234 | ut_asserteq_str("some1234567890thing console=", env_get("bootargs")); |
| 235 | |
| 236 | return 0; |
| 237 | } |
| 238 | BOOTM_TEST(bootm_test_subst_both, 0); |
Simon Glass | 07a8886 | 2020-11-05 10:33:38 -0700 | [diff] [blame] | 239 | |
| 240 | int do_ut_bootm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
| 241 | { |
| 242 | struct unit_test *tests = ll_entry_start(struct unit_test, bootm_test); |
| 243 | const int n_ents = ll_entry_count(struct unit_test, bootm_test); |
| 244 | |
| 245 | return cmd_ut_category("bootm", "bootm_test_", tests, n_ents, |
| 246 | argc, argv); |
| 247 | } |