test/print_ut.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2012, The Chromium Authors
   4  */
   5
   6 #include <common.h>
   7 #include <command.h>
   8 #include <efi_api.h>
   9 #include <display_options.h>
  10 #include <log.h>
  11 #include <mapmem.h>
  12 #include <version_string.h>
  13 #include <vsprintf.h>
  14 #include <test/suites.h>
  15 #include <test/test.h>
  16 #include <test/ut.h>
  17
  18 #define BUF_SIZE        0x100
  19
  20 #define FAKE_BUILD_TAG  "jenkins-u-boot-denx_uboot_dm-master-build-aarch64" \
  21                         "and a lot more text to come"
  22
  23 /* Declare a new print test */
  24 #define PRINT_TEST(_name, _flags)       UNIT_TEST(_name, _flags, print_test)
  25
  26 #if CONFIG_IS_ENABLED(LIB_UUID)
  27 /* Test printing GUIDs */
  28 static int print_guid(struct unit_test_state *uts)
  29 {
  30         unsigned char guid[16] = {
  31                 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
  32         };
  33         unsigned char guid_esp[16] = {
  34                 0x28, 0x73, 0x2a, 0xc1, 0x1f, 0xf8, 0xd2, 0x11,
  35                 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B
  36         };
  37         char str[40];
  38         int ret;
  39
  40         sprintf(str, "%pUb", guid);
  41         ut_asserteq_str("01020304-0506-0708-090a-0b0c0d0e0f10", str);
  42         sprintf(str, "%pUB", guid);
  43         ut_asserteq_str("01020304-0506-0708-090A-0B0C0D0E0F10", str);
  44         sprintf(str, "%pUl", guid);
  45         ut_asserteq_str("04030201-0605-0807-090a-0b0c0d0e0f10", str);
  46         sprintf(str, "%pUs", guid);
  47         ut_asserteq_str("04030201-0605-0807-090a-0b0c0d0e0f10", str);
  48         sprintf(str, "%pUL", guid);
  49         ut_asserteq_str("04030201-0605-0807-090A-0B0C0D0E0F10", str);
  50         sprintf(str, "%pUs", guid_esp);
  51         if (IS_ENABLED(CONFIG_PARTITION_TYPE_GUID)) { /* brace needed */
  52                 ut_asserteq_str("system", str);
  53         } else {
  54                 ut_asserteq_str("c12a7328-f81f-11d2-ba4b-00a0c93ec93b", str);
  55         }
  56         ret = snprintf(str, 4, "%pUL", guid);
  57         ut_asserteq(0, str[3]);
  58         ut_asserteq(36, ret);
  59
  60         return 0;
  61 }
  62 PRINT_TEST(print_guid, 0);
  63 #endif
  64
  65 #if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
  66 /* Test efi_loader specific printing */
  67 static int print_efi_ut(struct unit_test_state *uts)
  68 {
  69         char str[10];
  70         u8 buf[sizeof(struct efi_device_path_sd_mmc_path) +
  71                sizeof(struct efi_device_path)];
  72         u8 *pos = buf;
  73         struct efi_device_path *dp_end;
  74         struct efi_device_path_sd_mmc_path *dp_sd =
  75                         (struct efi_device_path_sd_mmc_path *)pos;
  76
  77         /* Create a device path for an SD card */
  78         dp_sd->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
  79         dp_sd->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_SD;
  80         dp_sd->dp.length = sizeof(struct efi_device_path_sd_mmc_path);
  81         dp_sd->slot_number = 3;
  82         pos += sizeof(struct efi_device_path_sd_mmc_path);
  83         /* Append end node */
  84         dp_end = (struct efi_device_path *)pos;
  85         dp_end->type = DEVICE_PATH_TYPE_END;
  86         dp_end->sub_type = DEVICE_PATH_SUB_TYPE_END;
  87         dp_end->length = sizeof(struct efi_device_path);
  88
  89         snprintf(str, sizeof(str), "_%pD_", buf);
  90         ut_assertok(strcmp("_/SD(3)_", str));
  91
  92         /* NULL device path */
  93         snprintf(str, sizeof(str), "_%pD_", NULL);
  94         ut_assertok(strcmp("_<NULL>_", str));
  95
  96         return 0;
  97 }
  98 PRINT_TEST(print_efi_ut, 0);
  99 #endif
 100
 101 static int print_printf(struct unit_test_state *uts)
 102 {
 103         char big_str[400];
 104         int big_str_len;
 105         char str[10], *s;
 106         int len;
 107
 108         snprintf(str, sizeof(str), "testing");
 109         ut_assertok(strcmp("testing", str));
 110
 111         snprintf(str, sizeof(str), "testing but too long");
 112         ut_assertok(strcmp("testing b", str));
 113
 114         snprintf(str, 1, "testing none");
 115         ut_assertok(strcmp("", str));
 116
 117         *str = 'x';
 118         snprintf(str, 0, "testing none");
 119         ut_asserteq('x', *str);
 120
 121         sprintf(big_str, "_%ls_", u"foo");
 122         ut_assertok(strcmp("_foo_", big_str));
 123
 124         /* Test the banner function */
 125         s = display_options_get_banner(true, str, sizeof(str));
 126         ut_asserteq_ptr(str, s);
 127         ut_assertok(strcmp("\n\nU-Boo\n\n", s));
 128
 129         /* Assert that we do not overwrite memory before the buffer */
 130         str[0] = '`';
 131         s = display_options_get_banner(true, str + 1, 1);
 132         ut_asserteq_ptr(str + 1, s);
 133         ut_assertok(strcmp("`", str));
 134
 135         str[0] = '~';
 136         s = display_options_get_banner(true, str + 1, 2);
 137         ut_asserteq_ptr(str + 1, s);
 138         ut_assertok(strcmp("~\n", str));
 139
 140         /* The last two characters are set to \n\n for all buffer sizes > 2 */
 141         s = display_options_get_banner(false, str, sizeof(str));
 142         ut_asserteq_ptr(str, s);
 143         ut_assertok(strcmp("U-Boot \n\n", s));
 144
 145         /* Give it enough space for some of the version */
 146         big_str_len = strlen(version_string) - 5;
 147         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
 148                                             big_str_len);
 149         ut_asserteq_ptr(big_str, s);
 150         ut_assertok(strncmp(version_string, s, big_str_len - 3));
 151         ut_assertok(strcmp("\n\n", s + big_str_len - 3));
 152
 153         /* Give it enough space for the version and some of the build tag */
 154         big_str_len = strlen(version_string) + 9 + 20;
 155         s = display_options_get_banner_priv(false, FAKE_BUILD_TAG, big_str,
 156                                             big_str_len);
 157         ut_asserteq_ptr(big_str, s);
 158         len = strlen(version_string);
 159         ut_assertok(strncmp(version_string, s, len));
 160         ut_assertok(strncmp(", Build: ", s + len, 9));
 161         ut_assertok(strncmp(FAKE_BUILD_TAG, s + 9 + len, 12));
 162         ut_assertok(strcmp("\n\n", s + big_str_len - 3));
 163
 164         return 0;
 165 }
 166 PRINT_TEST(print_printf, 0);
 167
 168 static int print_display_buffer(struct unit_test_state *uts)
 169 {
 170         u8 *buf;
 171         int i;
 172
 173         /* This test requires writable memory at zero */
 174         if (IS_ENABLED(CONFIG_X86))
 175                 return -EAGAIN;
 176
 177         buf = map_sysmem(0, BUF_SIZE);
 178         memset(buf, '\0', BUF_SIZE);
 179         for (i = 0; i < 0x11; i++)
 180                 buf[i] = i * 0x11;
 181
 182         /* bytes */
 183         console_record_reset();
 184         print_buffer(0, buf, 1, 0x12, 0);
 185         ut_assert_nextline("00000000: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff  ..\"3DUfw........");
 186         ut_assert_nextline("00000010: 10 00                                            ..");
 187         ut_assert_console_end();
 188
 189         /* line length */
 190         console_record_reset();
 191         print_buffer(0, buf, 1, 0x12, 8);
 192         ut_assert_nextline("00000000: 00 11 22 33 44 55 66 77  ..\"3DUfw");
 193         ut_assert_nextline("00000008: 88 99 aa bb cc dd ee ff  ........");
 194         ut_assert_nextline("00000010: 10 00                    ..");
 195         ut_assert_console_end();
 196
 197         /* long line */
 198         console_record_reset();
 199         buf[0x41] = 0x41;
 200         print_buffer(0, buf, 1, 0x42, 0x40);
 201         ut_assert_nextline("00000000: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ..\"3DUfw........................................................");
 202         ut_assert_nextline("00000040: 00 41                                                                                                                                                                                            .A");
 203         ut_assert_console_end();
 204
 205         /* address */
 206         console_record_reset();
 207         print_buffer(0x12345678, buf, 1, 0x12, 0);
 208         ut_assert_nextline("12345678: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff  ..\"3DUfw........");
 209         ut_assert_nextline("12345688: 10 00                                            ..");
 210         ut_assert_console_end();
 211
 212         /* 16-bit */
 213         console_record_reset();
 214         print_buffer(0, buf, 2, 9, 0);
 215         ut_assert_nextline("00000000: 1100 3322 5544 7766 9988 bbaa ddcc ffee  ..\"3DUfw........");
 216         ut_assert_nextline("00000010: 0010                                     ..");
 217         ut_assert_console_end();
 218
 219         /* 32-bit */
 220         console_record_reset();
 221         print_buffer(0, buf, 4, 5, 0);
 222         ut_assert_nextline("00000000: 33221100 77665544 bbaa9988 ffeeddcc  ..\"3DUfw........");
 223         ut_assert_nextline("00000010: 00000010                             ....");
 224         ut_assert_console_end();
 225
 226         /* 64-bit */
 227         console_record_reset();
 228         print_buffer(0, buf, 8, 3, 0);
 229         ut_assert_nextline("00000000: 7766554433221100 ffeeddccbbaa9988  ..\"3DUfw........");
 230         ut_assert_nextline("00000010: 0000000000000010                   ........");
 231         ut_assert_console_end();
 232
 233         /* ASCII */
 234         console_record_reset();
 235         buf[1] = 31;
 236         buf[2] = 32;
 237         buf[3] = 33;
 238         for (i = 0; i < 4; i++)
 239                 buf[4 + i] = 126 + i;
 240         buf[8] = 255;
 241         print_buffer(0, buf, 1, 10, 0);
 242         ut_assert_nextline("00000000: 00 1f 20 21 7e 7f 80 81 ff 99                    .. !~.....");
 243         ut_assert_console_end();
 244
 245         unmap_sysmem(buf);
 246
 247         return 0;
 248 }
 249 PRINT_TEST(print_display_buffer, UT_TESTF_CONSOLE_REC);
 250
 251 static int print_hexdump_line(struct unit_test_state *uts)
 252 {
 253         char *linebuf;
 254         u8 *buf;
 255         int i;
 256
 257         buf = map_sysmem(0, BUF_SIZE);
 258         memset(buf, '\0', BUF_SIZE);
 259         for (i = 0; i < 0x11; i++)
 260                 buf[i] = i * 0x11;
 261
 262         /* Check buffer size calculations */
 263         linebuf = map_sysmem(0x400, BUF_SIZE);
 264         memset(linebuf, '\xff', BUF_SIZE);
 265         ut_asserteq(-ENOSPC, hexdump_line(0, buf, 1, 0x10, 0, linebuf, 75));
 266         ut_asserteq(-1, linebuf[0]);
 267         ut_asserteq(0x10, hexdump_line(0, buf, 1, 0x10, 0, linebuf, 76));
 268         ut_asserteq(0, linebuf[75]);
 269         ut_asserteq(-1, linebuf[76]);
 270
 271         unmap_sysmem(buf);
 272
 273         return 0;
 274 }
 275 PRINT_TEST(print_hexdump_line, UT_TESTF_CONSOLE_REC);
 276
 277 static int print_do_hex_dump(struct unit_test_state *uts)
 278 {
 279         u8 *buf;
 280         int i;
 281
 282         /* This test requires writable memory at zero */
 283         if (IS_ENABLED(CONFIG_X86))
 284                 return -EAGAIN;
 285
 286         buf = map_sysmem(0, BUF_SIZE);
 287         memset(buf, '\0', BUF_SIZE);
 288         for (i = 0; i < 0x11; i++)
 289                 buf[i] = i * 0x11;
 290
 291         /* bytes */
 292         console_record_reset();
 293         print_hex_dump_bytes("", DUMP_PREFIX_ADDRESS, buf, 0x12);
 294         ut_assert_nextline("%0*lx: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff  ..\"3DUfw........",
 295                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x0UL);
 296         ut_assert_nextline("%0*lx: 10 00                                            ..",
 297                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x10UL);
 298         ut_assert_console_end();
 299
 300         /* line length */
 301         console_record_reset();
 302         print_hex_dump("", DUMP_PREFIX_ADDRESS, 8, 1, buf, 0x12, true);
 303         ut_assert_nextline("%0*lx: 00 11 22 33 44 55 66 77  ..\"3DUfw",
 304                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x0UL);
 305         ut_assert_nextline("%0*lx: 88 99 aa bb cc dd ee ff  ........",
 306                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x8UL);
 307         ut_assert_nextline("%0*lx: 10 00                    ..",
 308                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x10UL);
 309         ut_assert_console_end();
 310         unmap_sysmem(buf);
 311
 312         /* long line */
 313         console_record_reset();
 314         buf[0x41] = 0x41;
 315         print_hex_dump("", DUMP_PREFIX_ADDRESS, 0x40, 1, buf, 0x42, true);
 316         ut_assert_nextline("%0*lx: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ..\"3DUfw........................................................",
 317                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x0UL);
 318         ut_assert_nextline("%0*lx: 00 41                                                                                                                                                                                            .A",
 319                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x40UL);
 320         ut_assert_console_end();
 321
 322         /* 16-bit */
 323         console_record_reset();
 324         print_hex_dump("", DUMP_PREFIX_ADDRESS, 0, 2, buf, 0x12, true);
 325         ut_assert_nextline("%0*lx: 1100 3322 5544 7766 9988 bbaa ddcc ffee  ..\"3DUfw........",
 326                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x0UL);
 327         ut_assert_nextline("%0*lx: 0010                                     ..",
 328                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x10UL);
 329         ut_assert_console_end();
 330         unmap_sysmem(buf);
 331
 332         /* 32-bit */
 333         console_record_reset();
 334         print_hex_dump("", DUMP_PREFIX_ADDRESS, 0, 4, buf, 0x14, true);
 335         ut_assert_nextline("%0*lx: 33221100 77665544 bbaa9988 ffeeddcc  ..\"3DUfw........",
 336                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x0UL);
 337         ut_assert_nextline("%0*lx: 00000010                             ....",
 338                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x10UL);
 339         ut_assert_console_end();
 340         unmap_sysmem(buf);
 341
 342         /* 64-bit */
 343         console_record_reset();
 344         print_hex_dump("", DUMP_PREFIX_ADDRESS, 16, 8, buf, 0x18, true);
 345         ut_assert_nextline("%0*lx: 7766554433221100 ffeeddccbbaa9988  ..\"3DUfw........",
 346                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x0UL);
 347         ut_assert_nextline("%0*lx: 0000000000000010                   ........",
 348                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x10UL);
 349         ut_assert_console_end();
 350         unmap_sysmem(buf);
 351
 352         /* ASCII */
 353         console_record_reset();
 354         buf[1] = 31;
 355         buf[2] = 32;
 356         buf[3] = 33;
 357         for (i = 0; i < 4; i++)
 358                 buf[4 + i] = 126 + i;
 359         buf[8] = 255;
 360         print_hex_dump("", DUMP_PREFIX_ADDRESS, 0, 1, buf, 10, true);
 361         ut_assert_nextline("%0*lx: 00 1f 20 21 7e 7f 80 81 ff 99                    .. !~.....",
 362                            IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, 0x0UL);
 363         ut_assert_console_end();
 364         unmap_sysmem(buf);
 365
 366         return 0;
 367 }
 368 PRINT_TEST(print_do_hex_dump, UT_TESTF_CONSOLE_REC);
 369
 370 static int snprint(struct unit_test_state *uts)
 371 {
 372         char buf[10] = "xxxxxxxxx";
 373         int ret;
 374
 375         ret = snprintf(buf, 5, "%d", 12345678);
 376         ut_asserteq_str("1234", buf);
 377         ut_asserteq(8, ret);
 378         ret = snprintf(buf, 5, "0x%x", 0x1234);
 379         ut_asserteq_str("0x12", buf);
 380         ut_asserteq(6, ret);
 381         ret = snprintf(buf, 5, "0x%08x", 0x1234);
 382         ut_asserteq_str("0x00", buf);
 383         ut_asserteq(10, ret);
 384         ret = snprintf(buf, 3, "%s", "abc");
 385         ut_asserteq_str("ab", buf);
 386         ut_asserteq(3, ret);
 387         ret = snprintf(buf, 4, "%s:%s", "abc", "def");
 388         ut_asserteq(0, buf[3]);
 389         ut_asserteq(7, ret);
 390         ret = snprintf(buf, 4, "%s:%d", "abc", 9999);
 391         ut_asserteq(8, ret);
 392         return 0;
 393 }
 394 PRINT_TEST(snprint, 0);
 395
 396 int do_ut_print(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 397 {
 398         struct unit_test *tests = UNIT_TEST_SUITE_START(print_test);
 399         const int n_ents = UNIT_TEST_SUITE_COUNT(print_test);
 400
 401         return cmd_ut_category("print", "print_", tests, n_ents, argc, argv);
 402 }