tests/bios-tables-test.c

   1 /*
   2  * Boot order test cases.
   3  *
   4  * Copyright (c) 2013 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Michael S. Tsirkin <mst@redhat.com>,
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include <glib/gstdio.h>
  15 #include "qemu-common.h"
  16 #include "hw/smbios/smbios.h"
  17 #include "qemu/bitmap.h"
  18 #include "acpi-utils.h"
  19 #include "boot-sector.h"
  20
  21 #define MACHINE_PC "pc"
  22 #define MACHINE_Q35 "q35"
  23
  24 #define ACPI_REBUILD_EXPECTED_AML "TEST_ACPI_REBUILD_AML"
  25
  26 typedef struct {
  27     const char *machine;
  28     const char *variant;
  29     uint32_t rsdp_addr;
  30     AcpiRsdpDescriptor rsdp_table;
  31     AcpiRsdtDescriptorRev1 rsdt_table;
  32     AcpiFadtDescriptorRev3 fadt_table;
  33     AcpiFacsDescriptorRev1 facs_table;
  34     uint32_t *rsdt_tables_addr;
  35     int rsdt_tables_nr;
  36     GArray *tables;
  37     uint32_t smbios_ep_addr;
  38     struct smbios_21_entry_point smbios_ep_table;
  39     uint8_t *required_struct_types;
  40     int required_struct_types_len;
  41 } test_data;
  42
  43 static char disk[] = "tests/acpi-test-disk-XXXXXX";
  44 static const char *data_dir = "tests/acpi-test-data";
  45 #ifdef CONFIG_IASL
  46 static const char *iasl = stringify(CONFIG_IASL);
  47 #else
  48 static const char *iasl;
  49 #endif
  50
  51 static void free_test_data(test_data *data)
  52 {
  53     AcpiSdtTable *temp;
  54     int i;
  55
  56     g_free(data->rsdt_tables_addr);
  57
  58     for (i = 0; i < data->tables->len; ++i) {
  59         temp = &g_array_index(data->tables, AcpiSdtTable, i);
  60         g_free(temp->aml);
  61         if (temp->aml_file &&
  62             !temp->tmp_files_retain &&
  63             g_strstr_len(temp->aml_file, -1, "aml-")) {
  64             unlink(temp->aml_file);
  65         }
  66         g_free(temp->aml_file);
  67         g_free(temp->asl);
  68         if (temp->asl_file &&
  69             !temp->tmp_files_retain) {
  70             unlink(temp->asl_file);
  71         }
  72         g_free(temp->asl_file);
  73     }
  74
  75     g_array_free(data->tables, true);
  76 }
  77
  78 static void test_acpi_rsdp_address(test_data *data)
  79 {
  80     uint32_t off = acpi_find_rsdp_address();
  81     g_assert_cmphex(off, <, 0x100000);
  82     data->rsdp_addr = off;
  83 }
  84
  85 static void test_acpi_rsdp_table(test_data *data)
  86 {
  87     AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
  88     uint32_t addr = data->rsdp_addr;
  89
  90     acpi_parse_rsdp_table(addr, rsdp_table);
  91
  92     /* rsdp checksum is not for the whole table, but for the first 20 bytes */
  93     g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20));
  94 }
  95
  96 static void test_acpi_rsdt_table(test_data *data)
  97 {
  98     AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table;
  99     uint32_t addr = le32_to_cpu(data->rsdp_table.rsdt_physical_address);
 100     uint32_t *tables;
 101     int tables_nr;
 102     uint8_t checksum;
 103     uint32_t rsdt_table_length;
 104
 105     /* read the header */
 106     ACPI_READ_TABLE_HEADER(rsdt_table, addr);
 107     ACPI_ASSERT_CMP(rsdt_table->signature, "RSDT");
 108
 109     rsdt_table_length = le32_to_cpu(rsdt_table->length);
 110
 111     /* compute the table entries in rsdt */
 112     tables_nr = (rsdt_table_length - sizeof(AcpiRsdtDescriptorRev1)) /
 113                 sizeof(uint32_t);
 114     g_assert(tables_nr > 0);
 115
 116     /* get the addresses of the tables pointed by rsdt */
 117     tables = g_new0(uint32_t, tables_nr);
 118     ACPI_READ_ARRAY_PTR(tables, tables_nr, addr);
 119
 120     checksum = acpi_calc_checksum((uint8_t *)rsdt_table, rsdt_table_length) +
 121                acpi_calc_checksum((uint8_t *)tables,
 122                                   tables_nr * sizeof(uint32_t));
 123     g_assert(!checksum);
 124
 125    /* SSDT tables after FADT */
 126     data->rsdt_tables_addr = tables;
 127     data->rsdt_tables_nr = tables_nr;
 128 }
 129
 130 static void test_acpi_fadt_table(test_data *data)
 131 {
 132     AcpiFadtDescriptorRev3 *fadt_table = &data->fadt_table;
 133     uint32_t addr;
 134
 135     /* FADT table comes first */
 136     addr = le32_to_cpu(data->rsdt_tables_addr[0]);
 137     ACPI_READ_TABLE_HEADER(fadt_table, addr);
 138
 139     ACPI_READ_FIELD(fadt_table->firmware_ctrl, addr);
 140     ACPI_READ_FIELD(fadt_table->dsdt, addr);
 141     ACPI_READ_FIELD(fadt_table->model, addr);
 142     ACPI_READ_FIELD(fadt_table->reserved1, addr);
 143     ACPI_READ_FIELD(fadt_table->sci_int, addr);
 144     ACPI_READ_FIELD(fadt_table->smi_cmd, addr);
 145     ACPI_READ_FIELD(fadt_table->acpi_enable, addr);
 146     ACPI_READ_FIELD(fadt_table->acpi_disable, addr);
 147     ACPI_READ_FIELD(fadt_table->S4bios_req, addr);
 148     ACPI_READ_FIELD(fadt_table->reserved2, addr);
 149     ACPI_READ_FIELD(fadt_table->pm1a_evt_blk, addr);
 150     ACPI_READ_FIELD(fadt_table->pm1b_evt_blk, addr);
 151     ACPI_READ_FIELD(fadt_table->pm1a_cnt_blk, addr);
 152     ACPI_READ_FIELD(fadt_table->pm1b_cnt_blk, addr);
 153     ACPI_READ_FIELD(fadt_table->pm2_cnt_blk, addr);
 154     ACPI_READ_FIELD(fadt_table->pm_tmr_blk, addr);
 155     ACPI_READ_FIELD(fadt_table->gpe0_blk, addr);
 156     ACPI_READ_FIELD(fadt_table->gpe1_blk, addr);
 157     ACPI_READ_FIELD(fadt_table->pm1_evt_len, addr);
 158     ACPI_READ_FIELD(fadt_table->pm1_cnt_len, addr);
 159     ACPI_READ_FIELD(fadt_table->pm2_cnt_len, addr);
 160     ACPI_READ_FIELD(fadt_table->pm_tmr_len, addr);
 161     ACPI_READ_FIELD(fadt_table->gpe0_blk_len, addr);
 162     ACPI_READ_FIELD(fadt_table->gpe1_blk_len, addr);
 163     ACPI_READ_FIELD(fadt_table->gpe1_base, addr);
 164     ACPI_READ_FIELD(fadt_table->reserved3, addr);
 165     ACPI_READ_FIELD(fadt_table->plvl2_lat, addr);
 166     ACPI_READ_FIELD(fadt_table->plvl3_lat, addr);
 167     ACPI_READ_FIELD(fadt_table->flush_size, addr);
 168     ACPI_READ_FIELD(fadt_table->flush_stride, addr);
 169     ACPI_READ_FIELD(fadt_table->duty_offset, addr);
 170     ACPI_READ_FIELD(fadt_table->duty_width, addr);
 171     ACPI_READ_FIELD(fadt_table->day_alrm, addr);
 172     ACPI_READ_FIELD(fadt_table->mon_alrm, addr);
 173     ACPI_READ_FIELD(fadt_table->century, addr);
 174     ACPI_READ_FIELD(fadt_table->boot_flags, addr);
 175     ACPI_READ_FIELD(fadt_table->reserved, addr);
 176     ACPI_READ_FIELD(fadt_table->flags, addr);
 177     ACPI_READ_GENERIC_ADDRESS(fadt_table->reset_register, addr);
 178     ACPI_READ_FIELD(fadt_table->reset_value, addr);
 179     ACPI_READ_FIELD(fadt_table->arm_boot_flags, addr);
 180     ACPI_READ_FIELD(fadt_table->minor_revision, addr);
 181     ACPI_READ_FIELD(fadt_table->x_facs, addr);
 182     ACPI_READ_FIELD(fadt_table->x_dsdt, addr);
 183     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1a_event_block, addr);
 184     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1b_event_block, addr);
 185     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1a_control_block, addr);
 186     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1b_control_block, addr);
 187     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm2_control_block, addr);
 188     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm_timer_block, addr);
 189     ACPI_READ_GENERIC_ADDRESS(fadt_table->xgpe0_block, addr);
 190     ACPI_READ_GENERIC_ADDRESS(fadt_table->xgpe1_block, addr);
 191
 192     ACPI_ASSERT_CMP(fadt_table->signature, "FACP");
 193     g_assert(!acpi_calc_checksum((uint8_t *)fadt_table,
 194                                  le32_to_cpu(fadt_table->length)));
 195 }
 196
 197 static void test_acpi_facs_table(test_data *data)
 198 {
 199     AcpiFacsDescriptorRev1 *facs_table = &data->facs_table;
 200     uint32_t addr = le32_to_cpu(data->fadt_table.firmware_ctrl);
 201
 202     ACPI_READ_FIELD(facs_table->signature, addr);
 203     ACPI_READ_FIELD(facs_table->length, addr);
 204     ACPI_READ_FIELD(facs_table->hardware_signature, addr);
 205     ACPI_READ_FIELD(facs_table->firmware_waking_vector, addr);
 206     ACPI_READ_FIELD(facs_table->global_lock, addr);
 207     ACPI_READ_FIELD(facs_table->flags, addr);
 208     ACPI_READ_ARRAY(facs_table->resverved3, addr);
 209
 210     ACPI_ASSERT_CMP(facs_table->signature, "FACS");
 211 }
 212
 213 static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr)
 214 {
 215     uint8_t checksum;
 216
 217     ACPI_READ_TABLE_HEADER(&sdt_table->header, addr);
 218
 219     sdt_table->aml_len = le32_to_cpu(sdt_table->header.length)
 220                          - sizeof(AcpiTableHeader);
 221     sdt_table->aml = g_malloc0(sdt_table->aml_len);
 222     ACPI_READ_ARRAY_PTR(sdt_table->aml, sdt_table->aml_len, addr);
 223
 224     checksum = acpi_calc_checksum((uint8_t *)sdt_table,
 225                                   sizeof(AcpiTableHeader)) +
 226                acpi_calc_checksum((uint8_t *)sdt_table->aml,
 227                                   sdt_table->aml_len);
 228     g_assert(!checksum);
 229 }
 230
 231 static void test_acpi_dsdt_table(test_data *data)
 232 {
 233     AcpiSdtTable dsdt_table;
 234     uint32_t addr = le32_to_cpu(data->fadt_table.dsdt);
 235
 236     memset(&dsdt_table, 0, sizeof(dsdt_table));
 237     data->tables = g_array_new(false, true, sizeof(AcpiSdtTable));
 238
 239     test_dst_table(&dsdt_table, addr);
 240     ACPI_ASSERT_CMP(dsdt_table.header.signature, "DSDT");
 241
 242     /* Place DSDT first */
 243     g_array_append_val(data->tables, dsdt_table);
 244 }
 245
 246 static void test_acpi_tables(test_data *data)
 247 {
 248     int tables_nr = data->rsdt_tables_nr - 1; /* fadt is first */
 249     int i;
 250
 251     for (i = 0; i < tables_nr; i++) {
 252         AcpiSdtTable ssdt_table;
 253         uint32_t addr;
 254
 255         memset(&ssdt_table, 0, sizeof(ssdt_table));
 256         addr = le32_to_cpu(data->rsdt_tables_addr[i + 1]); /* fadt is first */
 257         test_dst_table(&ssdt_table, addr);
 258         g_array_append_val(data->tables, ssdt_table);
 259     }
 260 }
 261
 262 static void dump_aml_files(test_data *data, bool rebuild)
 263 {
 264     AcpiSdtTable *sdt;
 265     GError *error = NULL;
 266     gchar *aml_file = NULL;
 267     gint fd;
 268     ssize_t ret;
 269     int i;
 270
 271     for (i = 0; i < data->tables->len; ++i) {
 272         const char *ext = data->variant ? data->variant : "";
 273         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
 274         g_assert(sdt->aml);
 275
 276         if (rebuild) {
 277             aml_file = g_strdup_printf("%s/%s/%.4s%s", data_dir, data->machine,
 278                                        (gchar *)&sdt->header.signature, ext);
 279             fd = g_open(aml_file, O_WRONLY|O_TRUNC|O_CREAT,
 280                         S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH);
 281         } else {
 282             fd = g_file_open_tmp("aml-XXXXXX", &sdt->aml_file, &error);
 283             g_assert_no_error(error);
 284         }
 285         g_assert(fd >= 0);
 286
 287         ret = qemu_write_full(fd, sdt, sizeof(AcpiTableHeader));
 288         g_assert(ret == sizeof(AcpiTableHeader));
 289         ret = qemu_write_full(fd, sdt->aml, sdt->aml_len);
 290         g_assert(ret == sdt->aml_len);
 291
 292         close(fd);
 293
 294         g_free(aml_file);
 295     }
 296 }
 297
 298 static bool compare_signature(AcpiSdtTable *sdt, const char *signature)
 299 {
 300    return !memcmp(&sdt->header.signature, signature, 4);
 301 }
 302
 303 static bool load_asl(GArray *sdts, AcpiSdtTable *sdt)
 304 {
 305     AcpiSdtTable *temp;
 306     GError *error = NULL;
 307     GString *command_line = g_string_new(iasl);
 308     gint fd;
 309     gchar *out, *out_err;
 310     gboolean ret;
 311     int i;
 312
 313     fd = g_file_open_tmp("asl-XXXXXX.dsl", &sdt->asl_file, &error);
 314     g_assert_no_error(error);
 315     close(fd);
 316
 317     /* build command line */
 318     g_string_append_printf(command_line, " -p %s ", sdt->asl_file);
 319     if (compare_signature(sdt, "DSDT") ||
 320         compare_signature(sdt, "SSDT")) {
 321         for (i = 0; i < sdts->len; ++i) {
 322             temp = &g_array_index(sdts, AcpiSdtTable, i);
 323             if (compare_signature(temp, "DSDT") ||
 324                 compare_signature(temp, "SSDT")) {
 325                 g_string_append_printf(command_line, "-e %s ", temp->aml_file);
 326             }
 327         }
 328     }
 329     g_string_append_printf(command_line, "-d %s", sdt->aml_file);
 330
 331     /* pass 'out' and 'out_err' in order to be redirected */
 332     ret = g_spawn_command_line_sync(command_line->str, &out, &out_err, NULL, &error);
 333     g_assert_no_error(error);
 334     if (ret) {
 335         ret = g_file_get_contents(sdt->asl_file, (gchar **)&sdt->asl,
 336                                   &sdt->asl_len, &error);
 337         g_assert(ret);
 338         g_assert_no_error(error);
 339         ret = (sdt->asl_len > 0);
 340     }
 341
 342     g_free(out);
 343     g_free(out_err);
 344     g_string_free(command_line, true);
 345
 346     return !ret;
 347 }
 348
 349 #define COMMENT_END "*/"
 350 #define DEF_BLOCK "DefinitionBlock ("
 351 #define BLOCK_NAME_END ","
 352
 353 static GString *normalize_asl(gchar *asl_code)
 354 {
 355     GString *asl = g_string_new(asl_code);
 356     gchar *comment, *block_name;
 357
 358     /* strip comments (different generation days) */
 359     comment = g_strstr_len(asl->str, asl->len, COMMENT_END);
 360     if (comment) {
 361         comment += strlen(COMMENT_END);
 362         while (*comment == '\n') {
 363             comment++;
 364         }
 365         asl = g_string_erase(asl, 0, comment - asl->str);
 366     }
 367
 368     /* strip def block name (it has file path in it) */
 369     if (g_str_has_prefix(asl->str, DEF_BLOCK)) {
 370         block_name = g_strstr_len(asl->str, asl->len, BLOCK_NAME_END);
 371         g_assert(block_name);
 372         asl = g_string_erase(asl, 0,
 373                              block_name + sizeof(BLOCK_NAME_END) - asl->str);
 374     }
 375
 376     return asl;
 377 }
 378
 379 static GArray *load_expected_aml(test_data *data)
 380 {
 381     int i;
 382     AcpiSdtTable *sdt;
 383     GError *error = NULL;
 384     gboolean ret;
 385
 386     GArray *exp_tables = g_array_new(false, true, sizeof(AcpiSdtTable));
 387     for (i = 0; i < data->tables->len; ++i) {
 388         AcpiSdtTable exp_sdt;
 389         gchar *aml_file = NULL;
 390         const char *ext = data->variant ? data->variant : "";
 391
 392         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
 393
 394         memset(&exp_sdt, 0, sizeof(exp_sdt));
 395         exp_sdt.header.signature = sdt->header.signature;
 396
 397 try_again:
 398         aml_file = g_strdup_printf("%s/%s/%.4s%s", data_dir, data->machine,
 399                                    (gchar *)&sdt->header.signature, ext);
 400         if (getenv("V")) {
 401             fprintf(stderr, "\nLooking for expected file '%s'\n", aml_file);
 402         }
 403         if (g_file_test(aml_file, G_FILE_TEST_EXISTS)) {
 404             exp_sdt.aml_file = aml_file;
 405         } else if (*ext != '\0') {
 406             /* try fallback to generic (extention less) expected file */
 407             ext = "";
 408             g_free(aml_file);
 409             goto try_again;
 410         }
 411         g_assert(exp_sdt.aml_file);
 412         if (getenv("V")) {
 413             fprintf(stderr, "\nUsing expected file '%s'\n", aml_file);
 414         }
 415         ret = g_file_get_contents(aml_file, &exp_sdt.aml,
 416                                   &exp_sdt.aml_len, &error);
 417         g_assert(ret);
 418         g_assert_no_error(error);
 419         g_assert(exp_sdt.aml);
 420         g_assert(exp_sdt.aml_len);
 421
 422         g_array_append_val(exp_tables, exp_sdt);
 423     }
 424
 425     return exp_tables;
 426 }
 427
 428 static void test_acpi_asl(test_data *data)
 429 {
 430     int i;
 431     AcpiSdtTable *sdt, *exp_sdt;
 432     test_data exp_data;
 433     gboolean exp_err, err;
 434
 435     memset(&exp_data, 0, sizeof(exp_data));
 436     exp_data.tables = load_expected_aml(data);
 437     dump_aml_files(data, false);
 438     for (i = 0; i < data->tables->len; ++i) {
 439         GString *asl, *exp_asl;
 440
 441         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
 442         exp_sdt = &g_array_index(exp_data.tables, AcpiSdtTable, i);
 443
 444         err = load_asl(data->tables, sdt);
 445         asl = normalize_asl(sdt->asl);
 446
 447         exp_err = load_asl(exp_data.tables, exp_sdt);
 448         exp_asl = normalize_asl(exp_sdt->asl);
 449
 450         /* TODO: check for warnings */
 451         g_assert(!err || exp_err);
 452
 453         if (g_strcmp0(asl->str, exp_asl->str)) {
 454             if (exp_err) {
 455                 fprintf(stderr,
 456                         "Warning! iasl couldn't parse the expected aml\n");
 457             } else {
 458                 uint32_t signature = cpu_to_le32(exp_sdt->header.signature);
 459                 sdt->tmp_files_retain = true;
 460                 exp_sdt->tmp_files_retain = true;
 461                 fprintf(stderr,
 462                         "acpi-test: Warning! %.4s mismatch. "
 463                         "Actual [asl:%s, aml:%s], Expected [asl:%s, aml:%s].\n",
 464                         (gchar *)&signature,
 465                         sdt->asl_file, sdt->aml_file,
 466                         exp_sdt->asl_file, exp_sdt->aml_file);
 467                 if (getenv("V")) {
 468                     const char *diff_cmd = getenv("DIFF");
 469                     if (diff_cmd) {
 470                         int ret G_GNUC_UNUSED;
 471                         char *diff = g_strdup_printf("%s %s %s", diff_cmd,
 472                             exp_sdt->asl_file, sdt->asl_file);
 473                         ret = system(diff) ;
 474                         g_free(diff);
 475                     } else {
 476                         fprintf(stderr, "acpi-test: Warning. not showing "
 477                             "difference since no diff utility is specified. "
 478                             "Set 'DIFF' environment variable to a preferred "
 479                             "diff utility and run 'make V=1 check' again to "
 480                             "see ASL difference.");
 481                     }
 482                 }
 483           }
 484         }
 485         g_string_free(asl, true);
 486         g_string_free(exp_asl, true);
 487     }
 488
 489     free_test_data(&exp_data);
 490 }
 491
 492 static bool smbios_ep_table_ok(test_data *data)
 493 {
 494     struct smbios_21_entry_point *ep_table = &data->smbios_ep_table;
 495     uint32_t addr = data->smbios_ep_addr;
 496
 497     ACPI_READ_ARRAY(ep_table->anchor_string, addr);
 498     if (memcmp(ep_table->anchor_string, "_SM_", 4)) {
 499         return false;
 500     }
 501     ACPI_READ_FIELD(ep_table->checksum, addr);
 502     ACPI_READ_FIELD(ep_table->length, addr);
 503     ACPI_READ_FIELD(ep_table->smbios_major_version, addr);
 504     ACPI_READ_FIELD(ep_table->smbios_minor_version, addr);
 505     ACPI_READ_FIELD(ep_table->max_structure_size, addr);
 506     ACPI_READ_FIELD(ep_table->entry_point_revision, addr);
 507     ACPI_READ_ARRAY(ep_table->formatted_area, addr);
 508     ACPI_READ_ARRAY(ep_table->intermediate_anchor_string, addr);
 509     if (memcmp(ep_table->intermediate_anchor_string, "_DMI_", 5)) {
 510         return false;
 511     }
 512     ACPI_READ_FIELD(ep_table->intermediate_checksum, addr);
 513     ACPI_READ_FIELD(ep_table->structure_table_length, addr);
 514     if (ep_table->structure_table_length == 0) {
 515         return false;
 516     }
 517     ACPI_READ_FIELD(ep_table->structure_table_address, addr);
 518     ACPI_READ_FIELD(ep_table->number_of_structures, addr);
 519     if (ep_table->number_of_structures == 0) {
 520         return false;
 521     }
 522     ACPI_READ_FIELD(ep_table->smbios_bcd_revision, addr);
 523     if (acpi_calc_checksum((uint8_t *)ep_table, sizeof *ep_table) ||
 524         acpi_calc_checksum((uint8_t *)ep_table + 0x10,
 525                            sizeof *ep_table - 0x10)) {
 526         return false;
 527     }
 528     return true;
 529 }
 530
 531 static void test_smbios_entry_point(test_data *data)
 532 {
 533     uint32_t off;
 534
 535     /* find smbios entry point structure */
 536     for (off = 0xf0000; off < 0x100000; off += 0x10) {
 537         uint8_t sig[] = "_SM_";
 538         int i;
 539
 540         for (i = 0; i < sizeof sig - 1; ++i) {
 541             sig[i] = readb(off + i);
 542         }
 543
 544         if (!memcmp(sig, "_SM_", sizeof sig)) {
 545             /* signature match, but is this a valid entry point? */
 546             data->smbios_ep_addr = off;
 547             if (smbios_ep_table_ok(data)) {
 548                 break;
 549             }
 550         }
 551     }
 552
 553     g_assert_cmphex(off, <, 0x100000);
 554 }
 555
 556 static inline bool smbios_single_instance(uint8_t type)
 557 {
 558     switch (type) {
 559     case 0:
 560     case 1:
 561     case 2:
 562     case 3:
 563     case 16:
 564     case 32:
 565     case 127:
 566         return true;
 567     default:
 568         return false;
 569     }
 570 }
 571
 572 static void test_smbios_structs(test_data *data)
 573 {
 574     DECLARE_BITMAP(struct_bitmap, SMBIOS_MAX_TYPE+1) = { 0 };
 575     struct smbios_21_entry_point *ep_table = &data->smbios_ep_table;
 576     uint32_t addr = le32_to_cpu(ep_table->structure_table_address);
 577     int i, len, max_len = 0;
 578     uint8_t type, prv, crt;
 579
 580     /* walk the smbios tables */
 581     for (i = 0; i < le16_to_cpu(ep_table->number_of_structures); i++) {
 582
 583         /* grab type and formatted area length from struct header */
 584         type = readb(addr);
 585         g_assert_cmpuint(type, <=, SMBIOS_MAX_TYPE);
 586         len = readb(addr + 1);
 587
 588         /* single-instance structs must not have been encountered before */
 589         if (smbios_single_instance(type)) {
 590             g_assert(!test_bit(type, struct_bitmap));
 591         }
 592         set_bit(type, struct_bitmap);
 593
 594         /* seek to end of unformatted string area of this struct ("\0\0") */
 595         prv = crt = 1;
 596         while (prv || crt) {
 597             prv = crt;
 598             crt = readb(addr + len);
 599             len++;
 600         }
 601
 602         /* keep track of max. struct size */
 603         if (max_len < len) {
 604             max_len = len;
 605             g_assert_cmpuint(max_len, <=, ep_table->max_structure_size);
 606         }
 607
 608         /* start of next structure */
 609         addr += len;
 610     }
 611
 612     /* total table length and max struct size must match entry point values */
 613     g_assert_cmpuint(le16_to_cpu(ep_table->structure_table_length), ==,
 614                      addr - le32_to_cpu(ep_table->structure_table_address));
 615     g_assert_cmpuint(le16_to_cpu(ep_table->max_structure_size), ==, max_len);
 616
 617     /* required struct types must all be present */
 618     for (i = 0; i < data->required_struct_types_len; i++) {
 619         g_assert(test_bit(data->required_struct_types[i], struct_bitmap));
 620     }
 621 }
 622
 623 static void test_acpi_one(const char *params, test_data *data)
 624 {
 625     char *args;
 626
 627     /* Disable kernel irqchip to be able to override apic irq0. */
 628     args = g_strdup_printf("-machine %s,accel=%s,kernel-irqchip=off "
 629                            "-net none -display none %s "
 630                            "-drive id=hd0,if=none,file=%s,format=raw "
 631                            "-device ide-hd,drive=hd0 ",
 632                            data->machine, "kvm:tcg",
 633                            params ? params : "", disk);
 634
 635     qtest_start(args);
 636
 637     boot_sector_test();
 638
 639     test_acpi_rsdp_address(data);
 640     test_acpi_rsdp_table(data);
 641     test_acpi_rsdt_table(data);
 642     test_acpi_fadt_table(data);
 643     test_acpi_facs_table(data);
 644     test_acpi_dsdt_table(data);
 645     test_acpi_tables(data);
 646
 647     if (iasl) {
 648         if (getenv(ACPI_REBUILD_EXPECTED_AML)) {
 649             dump_aml_files(data, true);
 650         } else {
 651             test_acpi_asl(data);
 652         }
 653     }
 654
 655     test_smbios_entry_point(data);
 656     test_smbios_structs(data);
 657
 658     qtest_quit(global_qtest);
 659     g_free(args);
 660 }
 661
 662 static uint8_t base_required_struct_types[] = {
 663     0, 1, 3, 4, 16, 17, 19, 32, 127
 664 };
 665
 666 static void test_acpi_piix4_tcg(void)
 667 {
 668     test_data data;
 669
 670     /* Supplying -machine accel argument overrides the default (qtest).
 671      * This is to make guest actually run.
 672      */
 673     memset(&data, 0, sizeof(data));
 674     data.machine = MACHINE_PC;
 675     data.required_struct_types = base_required_struct_types;
 676     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 677     test_acpi_one(NULL, &data);
 678     free_test_data(&data);
 679 }
 680
 681 static void test_acpi_piix4_tcg_bridge(void)
 682 {
 683     test_data data;
 684
 685     memset(&data, 0, sizeof(data));
 686     data.machine = MACHINE_PC;
 687     data.variant = ".bridge";
 688     data.required_struct_types = base_required_struct_types;
 689     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 690     test_acpi_one("-device pci-bridge,chassis_nr=1", &data);
 691     free_test_data(&data);
 692 }
 693
 694 static void test_acpi_q35_tcg(void)
 695 {
 696     test_data data;
 697
 698     memset(&data, 0, sizeof(data));
 699     data.machine = MACHINE_Q35;
 700     data.required_struct_types = base_required_struct_types;
 701     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 702     test_acpi_one(NULL, &data);
 703     free_test_data(&data);
 704 }
 705
 706 static void test_acpi_q35_tcg_bridge(void)
 707 {
 708     test_data data;
 709
 710     memset(&data, 0, sizeof(data));
 711     data.machine = MACHINE_Q35;
 712     data.variant = ".bridge";
 713     data.required_struct_types = base_required_struct_types;
 714     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 715     test_acpi_one("-device pci-bridge,chassis_nr=1",
 716                   &data);
 717     free_test_data(&data);
 718 }
 719
 720 static void test_acpi_piix4_tcg_cphp(void)
 721 {
 722     test_data data;
 723
 724     memset(&data, 0, sizeof(data));
 725     data.machine = MACHINE_PC;
 726     data.variant = ".cphp";
 727     test_acpi_one("-smp 2,cores=3,sockets=2,maxcpus=6"
 728                   " -numa node -numa node"
 729                   " -numa dist,src=0,dst=1,val=21",
 730                   &data);
 731     free_test_data(&data);
 732 }
 733
 734 static void test_acpi_q35_tcg_cphp(void)
 735 {
 736     test_data data;
 737
 738     memset(&data, 0, sizeof(data));
 739     data.machine = MACHINE_Q35;
 740     data.variant = ".cphp";
 741     test_acpi_one(" -smp 2,cores=3,sockets=2,maxcpus=6"
 742                   " -numa node -numa node"
 743                   " -numa dist,src=0,dst=1,val=21",
 744                   &data);
 745     free_test_data(&data);
 746 }
 747
 748 static uint8_t ipmi_required_struct_types[] = {
 749     0, 1, 3, 4, 16, 17, 19, 32, 38, 127
 750 };
 751
 752 static void test_acpi_q35_tcg_ipmi(void)
 753 {
 754     test_data data;
 755
 756     memset(&data, 0, sizeof(data));
 757     data.machine = MACHINE_Q35;
 758     data.variant = ".ipmibt";
 759     data.required_struct_types = ipmi_required_struct_types;
 760     data.required_struct_types_len = ARRAY_SIZE(ipmi_required_struct_types);
 761     test_acpi_one("-device ipmi-bmc-sim,id=bmc0"
 762                   " -device isa-ipmi-bt,bmc=bmc0",
 763                   &data);
 764     free_test_data(&data);
 765 }
 766
 767 static void test_acpi_piix4_tcg_ipmi(void)
 768 {
 769     test_data data;
 770
 771     /* Supplying -machine accel argument overrides the default (qtest).
 772      * This is to make guest actually run.
 773      */
 774     memset(&data, 0, sizeof(data));
 775     data.machine = MACHINE_PC;
 776     data.variant = ".ipmikcs";
 777     data.required_struct_types = ipmi_required_struct_types;
 778     data.required_struct_types_len = ARRAY_SIZE(ipmi_required_struct_types);
 779     test_acpi_one("-device ipmi-bmc-sim,id=bmc0"
 780                   " -device isa-ipmi-kcs,irq=0,bmc=bmc0",
 781                   &data);
 782     free_test_data(&data);
 783 }
 784
 785 static void test_acpi_q35_tcg_memhp(void)
 786 {
 787     test_data data;
 788
 789     memset(&data, 0, sizeof(data));
 790     data.machine = MACHINE_Q35;
 791     data.variant = ".memhp";
 792     test_acpi_one(" -m 128,slots=3,maxmem=1G"
 793                   " -numa node -numa node"
 794                   " -numa dist,src=0,dst=1,val=21",
 795                   &data);
 796     free_test_data(&data);
 797 }
 798
 799 static void test_acpi_piix4_tcg_memhp(void)
 800 {
 801     test_data data;
 802
 803     memset(&data, 0, sizeof(data));
 804     data.machine = MACHINE_PC;
 805     data.variant = ".memhp";
 806     test_acpi_one(" -m 128,slots=3,maxmem=1G"
 807                   " -numa node -numa node"
 808                   " -numa dist,src=0,dst=1,val=21",
 809                   &data);
 810     free_test_data(&data);
 811 }
 812
 813 int main(int argc, char *argv[])
 814 {
 815     const char *arch = qtest_get_arch();
 816     int ret;
 817
 818     ret = boot_sector_init(disk);
 819     if(ret)
 820         return ret;
 821
 822     g_test_init(&argc, &argv, NULL);
 823
 824     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 825         qtest_add_func("acpi/piix4", test_acpi_piix4_tcg);
 826         qtest_add_func("acpi/piix4/bridge", test_acpi_piix4_tcg_bridge);
 827         qtest_add_func("acpi/q35", test_acpi_q35_tcg);
 828         qtest_add_func("acpi/q35/bridge", test_acpi_q35_tcg_bridge);
 829         qtest_add_func("acpi/piix4/ipmi", test_acpi_piix4_tcg_ipmi);
 830         qtest_add_func("acpi/q35/ipmi", test_acpi_q35_tcg_ipmi);
 831         qtest_add_func("acpi/piix4/cpuhp", test_acpi_piix4_tcg_cphp);
 832         qtest_add_func("acpi/q35/cpuhp", test_acpi_q35_tcg_cphp);
 833         qtest_add_func("acpi/piix4/memhp", test_acpi_piix4_tcg_memhp);
 834         qtest_add_func("acpi/q35/memhp", test_acpi_q35_tcg_memhp);
 835     }
 836     ret = g_test_run();
 837     boot_sector_cleanup(disk);
 838     return ret;
 839 }