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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 | // 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${var}thing")); ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SUBST)); ut_asserteq_str("something", env_get("bootargs")); return 0; } BOOTM_TEST(bootm_test_silent_var, 0); /* Test substitution processing in the bootargs variable */ static int bootm_test_subst_var(struct unit_test_state *uts) { ut_assertok(env_set("silent_linux", "yes")); ut_assertok(env_set("bootargs", NULL)); ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT)); ut_asserteq_str("console=ttynull", env_get("bootargs")); ut_assertok(env_set("var", "abc")); ut_assertok(env_set("bootargs", "some${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); } |