tests/acpi-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 <string.h>
  14 #include <stdio.h>
  15 #include <glib.h>
  16 #include <glib/gstdio.h>
  17 #include "qemu-common.h"
  18 #include "libqtest.h"
  19 #include "qemu/compiler.h"
  20 #include "hw/i386/acpi-defs.h"
  21
  22 #define MACHINE_PC "pc"
  23 #define MACHINE_Q35 "q35"
  24
  25 #define ACPI_REBUILD_EXPECTED_AML "TEST_ACPI_REBUILD_AML"
  26
  27 /* DSDT and SSDTs format */
  28 typedef struct {
  29     AcpiTableHeader header;
  30     gchar *aml;            /* aml bytecode from guest */
  31     gsize aml_len;
  32     gchar *aml_file;
  33     gchar *asl;            /* asl code generated from aml */
  34     gsize asl_len;
  35     gchar *asl_file;
  36 } QEMU_PACKED AcpiSdtTable;
  37
  38 typedef struct {
  39     const char *machine;
  40     uint32_t rsdp_addr;
  41     AcpiRsdpDescriptor rsdp_table;
  42     AcpiRsdtDescriptorRev1 rsdt_table;
  43     AcpiFadtDescriptorRev1 fadt_table;
  44     AcpiFacsDescriptorRev1 facs_table;
  45     uint32_t *rsdt_tables_addr;
  46     int rsdt_tables_nr;
  47     GArray *ssdt_tables; /* first is DSDT */
  48 } test_data;
  49
  50 #define LOW(x) ((x) & 0xff)
  51 #define HIGH(x) ((x) >> 8)
  52
  53 #define SIGNATURE 0xdead
  54 #define SIGNATURE_OFFSET 0x10
  55 #define BOOT_SECTOR_ADDRESS 0x7c00
  56
  57 #define ACPI_READ_FIELD(field, addr)           \
  58     do {                                       \
  59         switch (sizeof(field)) {               \
  60         case 1:                                \
  61             field = readb(addr);               \
  62             break;                             \
  63         case 2:                                \
  64             field = le16_to_cpu(readw(addr));  \
  65             break;                             \
  66         case 4:                                \
  67             field = le32_to_cpu(readl(addr));  \
  68             break;                             \
  69         case 8:                                \
  70             field = le64_to_cpu(readq(addr));  \
  71             break;                             \
  72         default:                               \
  73             g_assert(false);                   \
  74         }                                      \
  75         addr += sizeof(field);                  \
  76     } while (0);
  77
  78 #define ACPI_READ_ARRAY_PTR(arr, length, addr)  \
  79     do {                                        \
  80         int idx;                                \
  81         for (idx = 0; idx < length; ++idx) {    \
  82             ACPI_READ_FIELD(arr[idx], addr);    \
  83         }                                       \
  84     } while (0);
  85
  86 #define ACPI_READ_ARRAY(arr, addr)                               \
  87     ACPI_READ_ARRAY_PTR(arr, sizeof(arr)/sizeof(arr[0]), addr)
  88
  89 #define ACPI_READ_TABLE_HEADER(table, addr)                      \
  90     do {                                                         \
  91         ACPI_READ_FIELD((table)->signature, addr);               \
  92         ACPI_READ_FIELD((table)->length, addr);                  \
  93         ACPI_READ_FIELD((table)->revision, addr);                \
  94         ACPI_READ_FIELD((table)->checksum, addr);                \
  95         ACPI_READ_ARRAY((table)->oem_id, addr);                  \
  96         ACPI_READ_ARRAY((table)->oem_table_id, addr);            \
  97         ACPI_READ_FIELD((table)->oem_revision, addr);            \
  98         ACPI_READ_ARRAY((table)->asl_compiler_id, addr);         \
  99         ACPI_READ_FIELD((table)->asl_compiler_revision, addr);   \
 100     } while (0);
 101
 102 /* Boot sector code: write SIGNATURE into memory,
 103  * then halt.
 104  * Q35 machine requires a minimum 0x7e000 bytes disk.
 105  * (bug or feature?)
 106  */
 107 static uint8_t boot_sector[0x7e000] = {
 108     /* 7c00: mov $0xdead,%ax */
 109     [0x00] = 0xb8,
 110     [0x01] = LOW(SIGNATURE),
 111     [0x02] = HIGH(SIGNATURE),
 112     /* 7c03:  mov %ax,0x7c10 */
 113     [0x03] = 0xa3,
 114     [0x04] = LOW(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
 115     [0x05] = HIGH(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
 116     /* 7c06: cli */
 117     [0x06] = 0xfa,
 118     /* 7c07: hlt */
 119     [0x07] = 0xf4,
 120     /* 7c08: jmp 0x7c07=0x7c0a-3 */
 121     [0x08] = 0xeb,
 122     [0x09] = LOW(-3),
 123     /* We mov 0xdead here: set value to make debugging easier */
 124     [SIGNATURE_OFFSET] = LOW(0xface),
 125     [SIGNATURE_OFFSET + 1] = HIGH(0xface),
 126     /* End of boot sector marker */
 127     [0x1FE] = 0x55,
 128     [0x1FF] = 0xAA,
 129 };
 130
 131 static const char *disk = "tests/acpi-test-disk.raw";
 132 static const char *data_dir = "tests/acpi-test-data";
 133 #ifdef CONFIG_IASL
 134 static const char *iasl = stringify(CONFIG_IASL);
 135 #else
 136 static const char *iasl;
 137 #endif
 138
 139 static void free_test_data(test_data *data)
 140 {
 141     AcpiSdtTable *temp;
 142     int i;
 143
 144     if (data->rsdt_tables_addr) {
 145         g_free(data->rsdt_tables_addr);
 146     }
 147
 148     for (i = 0; i < data->ssdt_tables->len; ++i) {
 149         temp = &g_array_index(data->ssdt_tables, AcpiSdtTable, i);
 150         if (temp->aml) {
 151             g_free(temp->aml);
 152         }
 153         if (temp->aml_file) {
 154             if (g_strstr_len(temp->aml_file, -1, "aml-")) {
 155                 unlink(temp->aml_file);
 156             }
 157             g_free(temp->aml_file);
 158         }
 159         if (temp->asl) {
 160             g_free(temp->asl);
 161         }
 162         if (temp->asl_file) {
 163             if (g_strstr_len(temp->asl_file, -1, "asl-")) {
 164                 unlink(temp->asl_file);
 165             }
 166             g_free(temp->asl_file);
 167         }
 168     }
 169
 170     g_array_free(data->ssdt_tables, false);
 171 }
 172
 173 static uint8_t acpi_checksum(const uint8_t *data, int len)
 174 {
 175     int i;
 176     uint8_t sum = 0;
 177
 178     for (i = 0; i < len; i++) {
 179         sum += data[i];
 180     }
 181
 182     return sum;
 183 }
 184
 185 static void test_acpi_rsdp_address(test_data *data)
 186 {
 187     uint32_t off;
 188
 189     /* OK, now find RSDP */
 190     for (off = 0xf0000; off < 0x100000; off += 0x10) {
 191         uint8_t sig[] = "RSD PTR ";
 192         int i;
 193
 194         for (i = 0; i < sizeof sig - 1; ++i) {
 195             sig[i] = readb(off + i);
 196         }
 197
 198         if (!memcmp(sig, "RSD PTR ", sizeof sig)) {
 199             break;
 200         }
 201     }
 202
 203     g_assert_cmphex(off, <, 0x100000);
 204     data->rsdp_addr = off;
 205 }
 206
 207 static void test_acpi_rsdp_table(test_data *data)
 208 {
 209     AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
 210     uint32_t addr = data->rsdp_addr;
 211
 212     ACPI_READ_FIELD(rsdp_table->signature, addr);
 213     g_assert_cmphex(rsdp_table->signature, ==, ACPI_RSDP_SIGNATURE);
 214
 215     ACPI_READ_FIELD(rsdp_table->checksum, addr);
 216     ACPI_READ_ARRAY(rsdp_table->oem_id, addr);
 217     ACPI_READ_FIELD(rsdp_table->revision, addr);
 218     ACPI_READ_FIELD(rsdp_table->rsdt_physical_address, addr);
 219     ACPI_READ_FIELD(rsdp_table->length, addr);
 220
 221     /* rsdp checksum is not for the whole table, but for the first 20 bytes */
 222     g_assert(!acpi_checksum((uint8_t *)rsdp_table, 20));
 223 }
 224
 225 static void test_acpi_rsdt_table(test_data *data)
 226 {
 227     AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table;
 228     uint32_t addr = data->rsdp_table.rsdt_physical_address;
 229     uint32_t *tables;
 230     int tables_nr;
 231     uint8_t checksum;
 232
 233     /* read the header */
 234     ACPI_READ_TABLE_HEADER(rsdt_table, addr);
 235     g_assert_cmphex(rsdt_table->signature, ==, ACPI_RSDT_SIGNATURE);
 236
 237     /* compute the table entries in rsdt */
 238     tables_nr = (rsdt_table->length - sizeof(AcpiRsdtDescriptorRev1)) /
 239                 sizeof(uint32_t);
 240     g_assert_cmpint(tables_nr, >, 0);
 241
 242     /* get the addresses of the tables pointed by rsdt */
 243     tables = g_new0(uint32_t, tables_nr);
 244     ACPI_READ_ARRAY_PTR(tables, tables_nr, addr);
 245
 246     checksum = acpi_checksum((uint8_t *)rsdt_table, rsdt_table->length) +
 247                acpi_checksum((uint8_t *)tables, tables_nr * sizeof(uint32_t));
 248     g_assert(!checksum);
 249
 250    /* SSDT tables after FADT */
 251     data->rsdt_tables_addr = tables;
 252     data->rsdt_tables_nr = tables_nr;
 253 }
 254
 255 static void test_acpi_fadt_table(test_data *data)
 256 {
 257     AcpiFadtDescriptorRev1 *fadt_table = &data->fadt_table;
 258     uint32_t addr;
 259
 260     /* FADT table comes first */
 261     addr = data->rsdt_tables_addr[0];
 262     ACPI_READ_TABLE_HEADER(fadt_table, addr);
 263
 264     ACPI_READ_FIELD(fadt_table->firmware_ctrl, addr);
 265     ACPI_READ_FIELD(fadt_table->dsdt, addr);
 266     ACPI_READ_FIELD(fadt_table->model, addr);
 267     ACPI_READ_FIELD(fadt_table->reserved1, addr);
 268     ACPI_READ_FIELD(fadt_table->sci_int, addr);
 269     ACPI_READ_FIELD(fadt_table->smi_cmd, addr);
 270     ACPI_READ_FIELD(fadt_table->acpi_enable, addr);
 271     ACPI_READ_FIELD(fadt_table->acpi_disable, addr);
 272     ACPI_READ_FIELD(fadt_table->S4bios_req, addr);
 273     ACPI_READ_FIELD(fadt_table->reserved2, addr);
 274     ACPI_READ_FIELD(fadt_table->pm1a_evt_blk, addr);
 275     ACPI_READ_FIELD(fadt_table->pm1b_evt_blk, addr);
 276     ACPI_READ_FIELD(fadt_table->pm1a_cnt_blk, addr);
 277     ACPI_READ_FIELD(fadt_table->pm1b_cnt_blk, addr);
 278     ACPI_READ_FIELD(fadt_table->pm2_cnt_blk, addr);
 279     ACPI_READ_FIELD(fadt_table->pm_tmr_blk, addr);
 280     ACPI_READ_FIELD(fadt_table->gpe0_blk, addr);
 281     ACPI_READ_FIELD(fadt_table->gpe1_blk, addr);
 282     ACPI_READ_FIELD(fadt_table->pm1_evt_len, addr);
 283     ACPI_READ_FIELD(fadt_table->pm1_cnt_len, addr);
 284     ACPI_READ_FIELD(fadt_table->pm2_cnt_len, addr);
 285     ACPI_READ_FIELD(fadt_table->pm_tmr_len, addr);
 286     ACPI_READ_FIELD(fadt_table->gpe0_blk_len, addr);
 287     ACPI_READ_FIELD(fadt_table->gpe1_blk_len, addr);
 288     ACPI_READ_FIELD(fadt_table->gpe1_base, addr);
 289     ACPI_READ_FIELD(fadt_table->reserved3, addr);
 290     ACPI_READ_FIELD(fadt_table->plvl2_lat, addr);
 291     ACPI_READ_FIELD(fadt_table->plvl3_lat, addr);
 292     ACPI_READ_FIELD(fadt_table->flush_size, addr);
 293     ACPI_READ_FIELD(fadt_table->flush_stride, addr);
 294     ACPI_READ_FIELD(fadt_table->duty_offset, addr);
 295     ACPI_READ_FIELD(fadt_table->duty_width, addr);
 296     ACPI_READ_FIELD(fadt_table->day_alrm, addr);
 297     ACPI_READ_FIELD(fadt_table->mon_alrm, addr);
 298     ACPI_READ_FIELD(fadt_table->century, addr);
 299     ACPI_READ_FIELD(fadt_table->reserved4, addr);
 300     ACPI_READ_FIELD(fadt_table->reserved4a, addr);
 301     ACPI_READ_FIELD(fadt_table->reserved4b, addr);
 302     ACPI_READ_FIELD(fadt_table->flags, addr);
 303
 304     g_assert_cmphex(fadt_table->signature, ==, ACPI_FACP_SIGNATURE);
 305     g_assert(!acpi_checksum((uint8_t *)fadt_table, fadt_table->length));
 306 }
 307
 308 static void test_acpi_facs_table(test_data *data)
 309 {
 310     AcpiFacsDescriptorRev1 *facs_table = &data->facs_table;
 311     uint32_t addr = data->fadt_table.firmware_ctrl;
 312
 313     ACPI_READ_FIELD(facs_table->signature, addr);
 314     ACPI_READ_FIELD(facs_table->length, addr);
 315     ACPI_READ_FIELD(facs_table->hardware_signature, addr);
 316     ACPI_READ_FIELD(facs_table->firmware_waking_vector, addr);
 317     ACPI_READ_FIELD(facs_table->global_lock, addr);
 318     ACPI_READ_FIELD(facs_table->flags, addr);
 319     ACPI_READ_ARRAY(facs_table->resverved3, addr);
 320
 321     g_assert_cmphex(facs_table->signature, ==, ACPI_FACS_SIGNATURE);
 322 }
 323
 324 static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr)
 325 {
 326     uint8_t checksum;
 327
 328     ACPI_READ_TABLE_HEADER(&sdt_table->header, addr);
 329
 330     sdt_table->aml_len = sdt_table->header.length - sizeof(AcpiTableHeader);
 331     sdt_table->aml = g_malloc0(sdt_table->aml_len);
 332     ACPI_READ_ARRAY_PTR(sdt_table->aml, sdt_table->aml_len, addr);
 333
 334     checksum = acpi_checksum((uint8_t *)sdt_table, sizeof(AcpiTableHeader)) +
 335                acpi_checksum((uint8_t *)sdt_table->aml, sdt_table->aml_len);
 336     g_assert(!checksum);
 337 }
 338
 339 static void test_acpi_dsdt_table(test_data *data)
 340 {
 341     AcpiSdtTable dsdt_table;
 342     uint32_t addr = data->fadt_table.dsdt;
 343
 344     memset(&dsdt_table, 0, sizeof(dsdt_table));
 345     data->ssdt_tables = g_array_new(false, true, sizeof(AcpiSdtTable));
 346
 347     test_dst_table(&dsdt_table, addr);
 348     g_assert_cmphex(dsdt_table.header.signature, ==, ACPI_DSDT_SIGNATURE);
 349
 350     /* Place DSDT first */
 351     g_array_append_val(data->ssdt_tables, dsdt_table);
 352 }
 353
 354 static void test_acpi_ssdt_tables(test_data *data)
 355 {
 356     int ssdt_tables_nr = data->rsdt_tables_nr - 1; /* fadt is first */
 357     int i;
 358
 359     for (i = 0; i < ssdt_tables_nr; i++) {
 360         AcpiSdtTable ssdt_table;
 361
 362         memset(&ssdt_table, 0 , sizeof(ssdt_table));
 363         uint32_t addr = data->rsdt_tables_addr[i + 1]; /* fadt is first */
 364         test_dst_table(&ssdt_table, addr);
 365         g_array_append_val(data->ssdt_tables, ssdt_table);
 366     }
 367 }
 368
 369 static void dump_aml_files(test_data *data, bool rebuild)
 370 {
 371     AcpiSdtTable *sdt;
 372     GError *error = NULL;
 373     gchar *aml_file = NULL;
 374     gint fd;
 375     ssize_t ret;
 376     int i;
 377
 378     for (i = 0; i < data->ssdt_tables->len; ++i) {
 379         sdt = &g_array_index(data->ssdt_tables, AcpiSdtTable, i);
 380         g_assert(sdt->aml);
 381
 382         if (rebuild) {
 383             aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
 384                                        (gchar *)&sdt->header.signature);
 385             fd = g_open(aml_file, O_WRONLY|O_TRUNC|O_CREAT,
 386                         S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH);
 387         } else {
 388             fd = g_file_open_tmp("aml-XXXXXX", &sdt->aml_file, &error);
 389             g_assert_no_error(error);
 390         }
 391         g_assert(fd >= 0);
 392
 393         ret = qemu_write_full(fd, sdt, sizeof(AcpiTableHeader));
 394         g_assert(ret == sizeof(AcpiTableHeader));
 395         ret = qemu_write_full(fd, sdt->aml, sdt->aml_len);
 396         g_assert(ret == sdt->aml_len);
 397
 398         close(fd);
 399
 400         if (aml_file) {
 401             g_free(aml_file);
 402         }
 403     }
 404 }
 405
 406 static void load_asl(GArray *sdts, AcpiSdtTable *sdt)
 407 {
 408     AcpiSdtTable *temp;
 409     GError *error = NULL;
 410     GString *command_line = g_string_new(iasl);
 411     gint fd;
 412     gchar *out, *out_err;
 413     gboolean ret;
 414     int i;
 415
 416     fd = g_file_open_tmp("asl-XXXXXX.dsl", &sdt->asl_file, &error);
 417     g_assert_no_error(error);
 418     close(fd);
 419
 420     /* build command line */
 421     g_string_append_printf(command_line, " -p %s ", sdt->asl_file);
 422     for (i = 0; i < 2; ++i) { /* reference DSDT and SSDT */
 423         temp = &g_array_index(sdts, AcpiSdtTable, i);
 424         g_string_append_printf(command_line, "-e %s ", temp->aml_file);
 425     }
 426     g_string_append_printf(command_line, "-d %s", sdt->aml_file);
 427
 428     /* pass 'out' and 'out_err' in order to be redirected */
 429     g_spawn_command_line_sync(command_line->str, &out, &out_err, NULL, &error);
 430     g_assert_no_error(error);
 431
 432     ret = g_file_get_contents(sdt->asl_file, (gchar **)&sdt->asl,
 433                               &sdt->asl_len, &error);
 434     g_assert(ret);
 435     g_assert_no_error(error);
 436     g_assert(sdt->asl_len);
 437
 438     g_free(out);
 439     g_free(out_err);
 440     g_string_free(command_line, true);
 441 }
 442
 443 #define COMMENT_END "*/"
 444 #define DEF_BLOCK "DefinitionBlock ("
 445 #define BLOCK_NAME_END ".aml"
 446
 447 static GString *normalize_asl(gchar *asl_code)
 448 {
 449     GString *asl = g_string_new(asl_code);
 450     gchar *comment, *block_name;
 451
 452     /* strip comments (different generation days) */
 453     comment = g_strstr_len(asl->str, asl->len, COMMENT_END);
 454     if (comment) {
 455         asl = g_string_erase(asl, 0, comment + sizeof(COMMENT_END) - asl->str);
 456     }
 457
 458     /* strip def block name (it has file path in it) */
 459     if (g_str_has_prefix(asl->str, DEF_BLOCK)) {
 460         block_name = g_strstr_len(asl->str, asl->len, BLOCK_NAME_END);
 461         g_assert(block_name);
 462         asl = g_string_erase(asl, 0,
 463                              block_name + sizeof(BLOCK_NAME_END) - asl->str);
 464     }
 465
 466     return asl;
 467 }
 468
 469 static GArray *load_expected_aml(test_data *data)
 470 {
 471     int i;
 472     AcpiSdtTable *sdt;
 473     gchar *aml_file;
 474     GError *error = NULL;
 475     gboolean ret;
 476
 477     GArray *exp_ssdt_tables = g_array_new(false, true, sizeof(AcpiSdtTable));
 478     for (i = 0; i < data->ssdt_tables->len; ++i) {
 479         AcpiSdtTable exp_sdt;
 480         sdt = &g_array_index(data->ssdt_tables, AcpiSdtTable, i);
 481
 482         memset(&exp_sdt, 0, sizeof(exp_sdt));
 483         exp_sdt.header.signature = sdt->header.signature;
 484
 485         aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
 486                                    (gchar *)&exp_sdt.header.signature);
 487         exp_sdt.aml_file = aml_file;
 488         g_assert(g_file_test(aml_file, G_FILE_TEST_EXISTS));
 489         ret = g_file_get_contents(aml_file, &exp_sdt.aml,
 490                                   &exp_sdt.aml_len, &error);
 491         g_assert(ret);
 492         g_assert_no_error(error);
 493         g_assert(exp_sdt.aml);
 494         g_assert(exp_sdt.aml_len);
 495
 496         g_array_append_val(exp_ssdt_tables, exp_sdt);
 497     }
 498
 499     return exp_ssdt_tables;
 500 }
 501
 502 static void test_acpi_asl(test_data *data)
 503 {
 504     int i;
 505     AcpiSdtTable *sdt, *exp_sdt;
 506     test_data exp_data;
 507
 508     memset(&exp_data, 0, sizeof(exp_data));
 509     exp_data.ssdt_tables = load_expected_aml(data);
 510     dump_aml_files(data, false);
 511     for (i = 0; i < data->ssdt_tables->len; ++i) {
 512         GString *asl, *exp_asl;
 513
 514         sdt = &g_array_index(data->ssdt_tables, AcpiSdtTable, i);
 515         exp_sdt = &g_array_index(exp_data.ssdt_tables, AcpiSdtTable, i);
 516
 517         load_asl(data->ssdt_tables, sdt);
 518         asl = normalize_asl(sdt->asl);
 519
 520         load_asl(exp_data.ssdt_tables, exp_sdt);
 521         exp_asl = normalize_asl(exp_sdt->asl);
 522
 523         g_assert(!g_strcmp0(asl->str, exp_asl->str));
 524         g_string_free(asl, true);
 525         g_string_free(exp_asl, true);
 526     }
 527
 528     free_test_data(&exp_data);
 529 }
 530
 531 static void test_acpi_one(const char *params, test_data *data)
 532 {
 533     char *args;
 534     uint8_t signature_low;
 535     uint8_t signature_high;
 536     uint16_t signature;
 537     int i;
 538     const char *device = "";
 539
 540     if (!g_strcmp0(data->machine, MACHINE_Q35)) {
 541         device = ",id=hd -device ide-hd,drive=hd";
 542     }
 543
 544     args = g_strdup_printf("-net none -display none %s -drive file=%s%s,",
 545                            params ? params : "", disk, device);
 546     qtest_start(args);
 547
 548    /* Wait at most 1 minute */
 549 #define TEST_DELAY (1 * G_USEC_PER_SEC / 10)
 550 #define TEST_CYCLES MAX((60 * G_USEC_PER_SEC / TEST_DELAY), 1)
 551
 552     /* Poll until code has run and modified memory.  Once it has we know BIOS
 553      * initialization is done.  TODO: check that IP reached the halt
 554      * instruction.
 555      */
 556     for (i = 0; i < TEST_CYCLES; ++i) {
 557         signature_low = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET);
 558         signature_high = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET + 1);
 559         signature = (signature_high << 8) | signature_low;
 560         if (signature == SIGNATURE) {
 561             break;
 562         }
 563         g_usleep(TEST_DELAY);
 564     }
 565     g_assert_cmphex(signature, ==, SIGNATURE);
 566
 567     test_acpi_rsdp_address(data);
 568     test_acpi_rsdp_table(data);
 569     test_acpi_rsdt_table(data);
 570     test_acpi_fadt_table(data);
 571     test_acpi_facs_table(data);
 572     test_acpi_dsdt_table(data);
 573     test_acpi_ssdt_tables(data);
 574
 575     if (iasl) {
 576         if (getenv(ACPI_REBUILD_EXPECTED_AML)) {
 577             dump_aml_files(data, true);
 578         } else {
 579             test_acpi_asl(data);
 580         }
 581     }
 582
 583     qtest_quit(global_qtest);
 584     g_free(args);
 585 }
 586
 587 static void test_acpi_tcg(void)
 588 {
 589     test_data data;
 590
 591     /* Supplying -machine accel argument overrides the default (qtest).
 592      * This is to make guest actually run.
 593      */
 594     memset(&data, 0, sizeof(data));
 595     data.machine = MACHINE_PC;
 596     test_acpi_one("-machine accel=tcg", &data);
 597     free_test_data(&data);
 598
 599     memset(&data, 0, sizeof(data));
 600     data.machine = MACHINE_Q35;
 601     test_acpi_one("-machine q35,accel=tcg", &data);
 602     free_test_data(&data);
 603 }
 604
 605 int main(int argc, char *argv[])
 606 {
 607     const char *arch = qtest_get_arch();
 608     FILE *f = fopen(disk, "w");
 609     int ret;
 610     fwrite(boot_sector, 1, sizeof boot_sector, f);
 611     fclose(f);
 612
 613     g_test_init(&argc, &argv, NULL);
 614
 615     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 616         qtest_add_func("acpi/tcg", test_acpi_tcg);
 617     }
 618     ret = g_test_run();
 619     unlink(disk);
 620     return ret;
 621 }