tests/acpi-test: do not fail if iasl is broken
[qemu.git] / 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 bool tmp_files_retain; /* do not delete the temp asl/aml */
37 } QEMU_PACKED AcpiSdtTable;
38
39 typedef struct {
40 const char *machine;
41 uint32_t rsdp_addr;
42 AcpiRsdpDescriptor rsdp_table;
43 AcpiRsdtDescriptorRev1 rsdt_table;
44 AcpiFadtDescriptorRev1 fadt_table;
45 AcpiFacsDescriptorRev1 facs_table;
46 uint32_t *rsdt_tables_addr;
47 int rsdt_tables_nr;
48 GArray *tables;
49 } test_data;
50
51 #define LOW(x) ((x) & 0xff)
52 #define HIGH(x) ((x) >> 8)
53
54 #define SIGNATURE 0xdead
55 #define SIGNATURE_OFFSET 0x10
56 #define BOOT_SECTOR_ADDRESS 0x7c00
57
58 #define ACPI_READ_FIELD(field, addr) \
59 do { \
60 switch (sizeof(field)) { \
61 case 1: \
62 field = readb(addr); \
63 break; \
64 case 2: \
65 field = readw(addr); \
66 break; \
67 case 4: \
68 field = readl(addr); \
69 break; \
70 case 8: \
71 field = readq(addr); \
72 break; \
73 default: \
74 g_assert(false); \
75 } \
76 addr += sizeof(field); \
77 } while (0);
78
79 #define ACPI_READ_ARRAY_PTR(arr, length, addr) \
80 do { \
81 int idx; \
82 for (idx = 0; idx < length; ++idx) { \
83 ACPI_READ_FIELD(arr[idx], addr); \
84 } \
85 } while (0);
86
87 #define ACPI_READ_ARRAY(arr, addr) \
88 ACPI_READ_ARRAY_PTR(arr, sizeof(arr)/sizeof(arr[0]), addr)
89
90 #define ACPI_READ_TABLE_HEADER(table, addr) \
91 do { \
92 ACPI_READ_FIELD((table)->signature, addr); \
93 ACPI_READ_FIELD((table)->length, addr); \
94 ACPI_READ_FIELD((table)->revision, addr); \
95 ACPI_READ_FIELD((table)->checksum, addr); \
96 ACPI_READ_ARRAY((table)->oem_id, addr); \
97 ACPI_READ_ARRAY((table)->oem_table_id, addr); \
98 ACPI_READ_FIELD((table)->oem_revision, addr); \
99 ACPI_READ_ARRAY((table)->asl_compiler_id, addr); \
100 ACPI_READ_FIELD((table)->asl_compiler_revision, addr); \
101 } while (0);
102
103 #define ACPI_ASSERT_CMP(actual, expected) do { \
104 uint32_t ACPI_ASSERT_CMP_le = cpu_to_le32(actual); \
105 char ACPI_ASSERT_CMP_str[5] = {}; \
106 memcpy(ACPI_ASSERT_CMP_str, &ACPI_ASSERT_CMP_le, 4); \
107 g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \
108 } while (0)
109
110 #define ACPI_ASSERT_CMP64(actual, expected) do { \
111 uint64_t ACPI_ASSERT_CMP_le = cpu_to_le64(actual); \
112 char ACPI_ASSERT_CMP_str[9] = {}; \
113 memcpy(ACPI_ASSERT_CMP_str, &ACPI_ASSERT_CMP_le, 8); \
114 g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \
115 } while (0)
116
117 /* Boot sector code: write SIGNATURE into memory,
118 * then halt.
119 * Q35 machine requires a minimum 0x7e000 bytes disk.
120 * (bug or feature?)
121 */
122 static uint8_t boot_sector[0x7e000] = {
123 /* 7c00: mov $0xdead,%ax */
124 [0x00] = 0xb8,
125 [0x01] = LOW(SIGNATURE),
126 [0x02] = HIGH(SIGNATURE),
127 /* 7c03: mov %ax,0x7c10 */
128 [0x03] = 0xa3,
129 [0x04] = LOW(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
130 [0x05] = HIGH(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
131 /* 7c06: cli */
132 [0x06] = 0xfa,
133 /* 7c07: hlt */
134 [0x07] = 0xf4,
135 /* 7c08: jmp 0x7c07=0x7c0a-3 */
136 [0x08] = 0xeb,
137 [0x09] = LOW(-3),
138 /* We mov 0xdead here: set value to make debugging easier */
139 [SIGNATURE_OFFSET] = LOW(0xface),
140 [SIGNATURE_OFFSET + 1] = HIGH(0xface),
141 /* End of boot sector marker */
142 [0x1FE] = 0x55,
143 [0x1FF] = 0xAA,
144 };
145
146 static const char *disk = "tests/acpi-test-disk.raw";
147 static const char *data_dir = "tests/acpi-test-data";
148 #ifdef CONFIG_IASL
149 static const char *iasl = stringify(CONFIG_IASL);
150 #else
151 static const char *iasl;
152 #endif
153
154 static void free_test_data(test_data *data)
155 {
156 AcpiSdtTable *temp;
157 int i;
158
159 if (data->rsdt_tables_addr) {
160 g_free(data->rsdt_tables_addr);
161 }
162
163 for (i = 0; i < data->tables->len; ++i) {
164 temp = &g_array_index(data->tables, AcpiSdtTable, i);
165 if (temp->aml) {
166 g_free(temp->aml);
167 }
168 if (temp->aml_file) {
169 if (!temp->tmp_files_retain &&
170 g_strstr_len(temp->aml_file, -1, "aml-")) {
171 unlink(temp->aml_file);
172 }
173 g_free(temp->aml_file);
174 }
175 if (temp->asl) {
176 g_free(temp->asl);
177 }
178 if (temp->asl_file) {
179 if (!temp->tmp_files_retain) {
180 unlink(temp->asl_file);
181 }
182 g_free(temp->asl_file);
183 }
184 }
185
186 g_array_free(data->tables, false);
187 }
188
189 static uint8_t acpi_checksum(const uint8_t *data, int len)
190 {
191 int i;
192 uint8_t sum = 0;
193
194 for (i = 0; i < len; i++) {
195 sum += data[i];
196 }
197
198 return sum;
199 }
200
201 static void test_acpi_rsdp_address(test_data *data)
202 {
203 uint32_t off;
204
205 /* OK, now find RSDP */
206 for (off = 0xf0000; off < 0x100000; off += 0x10) {
207 uint8_t sig[] = "RSD PTR ";
208 int i;
209
210 for (i = 0; i < sizeof sig - 1; ++i) {
211 sig[i] = readb(off + i);
212 }
213
214 if (!memcmp(sig, "RSD PTR ", sizeof sig)) {
215 break;
216 }
217 }
218
219 g_assert_cmphex(off, <, 0x100000);
220 data->rsdp_addr = off;
221 }
222
223 static void test_acpi_rsdp_table(test_data *data)
224 {
225 AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
226 uint32_t addr = data->rsdp_addr;
227
228 ACPI_READ_FIELD(rsdp_table->signature, addr);
229 ACPI_ASSERT_CMP64(rsdp_table->signature, "RSD PTR ");
230
231 ACPI_READ_FIELD(rsdp_table->checksum, addr);
232 ACPI_READ_ARRAY(rsdp_table->oem_id, addr);
233 ACPI_READ_FIELD(rsdp_table->revision, addr);
234 ACPI_READ_FIELD(rsdp_table->rsdt_physical_address, addr);
235 ACPI_READ_FIELD(rsdp_table->length, addr);
236
237 /* rsdp checksum is not for the whole table, but for the first 20 bytes */
238 g_assert(!acpi_checksum((uint8_t *)rsdp_table, 20));
239 }
240
241 static void test_acpi_rsdt_table(test_data *data)
242 {
243 AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table;
244 uint32_t addr = data->rsdp_table.rsdt_physical_address;
245 uint32_t *tables;
246 int tables_nr;
247 uint8_t checksum;
248
249 /* read the header */
250 ACPI_READ_TABLE_HEADER(rsdt_table, addr);
251 ACPI_ASSERT_CMP(rsdt_table->signature, "RSDT");
252
253 /* compute the table entries in rsdt */
254 tables_nr = (rsdt_table->length - sizeof(AcpiRsdtDescriptorRev1)) /
255 sizeof(uint32_t);
256 g_assert_cmpint(tables_nr, >, 0);
257
258 /* get the addresses of the tables pointed by rsdt */
259 tables = g_new0(uint32_t, tables_nr);
260 ACPI_READ_ARRAY_PTR(tables, tables_nr, addr);
261
262 checksum = acpi_checksum((uint8_t *)rsdt_table, rsdt_table->length) +
263 acpi_checksum((uint8_t *)tables, tables_nr * sizeof(uint32_t));
264 g_assert(!checksum);
265
266 /* SSDT tables after FADT */
267 data->rsdt_tables_addr = tables;
268 data->rsdt_tables_nr = tables_nr;
269 }
270
271 static void test_acpi_fadt_table(test_data *data)
272 {
273 AcpiFadtDescriptorRev1 *fadt_table = &data->fadt_table;
274 uint32_t addr;
275
276 /* FADT table comes first */
277 addr = data->rsdt_tables_addr[0];
278 ACPI_READ_TABLE_HEADER(fadt_table, addr);
279
280 ACPI_READ_FIELD(fadt_table->firmware_ctrl, addr);
281 ACPI_READ_FIELD(fadt_table->dsdt, addr);
282 ACPI_READ_FIELD(fadt_table->model, addr);
283 ACPI_READ_FIELD(fadt_table->reserved1, addr);
284 ACPI_READ_FIELD(fadt_table->sci_int, addr);
285 ACPI_READ_FIELD(fadt_table->smi_cmd, addr);
286 ACPI_READ_FIELD(fadt_table->acpi_enable, addr);
287 ACPI_READ_FIELD(fadt_table->acpi_disable, addr);
288 ACPI_READ_FIELD(fadt_table->S4bios_req, addr);
289 ACPI_READ_FIELD(fadt_table->reserved2, addr);
290 ACPI_READ_FIELD(fadt_table->pm1a_evt_blk, addr);
291 ACPI_READ_FIELD(fadt_table->pm1b_evt_blk, addr);
292 ACPI_READ_FIELD(fadt_table->pm1a_cnt_blk, addr);
293 ACPI_READ_FIELD(fadt_table->pm1b_cnt_blk, addr);
294 ACPI_READ_FIELD(fadt_table->pm2_cnt_blk, addr);
295 ACPI_READ_FIELD(fadt_table->pm_tmr_blk, addr);
296 ACPI_READ_FIELD(fadt_table->gpe0_blk, addr);
297 ACPI_READ_FIELD(fadt_table->gpe1_blk, addr);
298 ACPI_READ_FIELD(fadt_table->pm1_evt_len, addr);
299 ACPI_READ_FIELD(fadt_table->pm1_cnt_len, addr);
300 ACPI_READ_FIELD(fadt_table->pm2_cnt_len, addr);
301 ACPI_READ_FIELD(fadt_table->pm_tmr_len, addr);
302 ACPI_READ_FIELD(fadt_table->gpe0_blk_len, addr);
303 ACPI_READ_FIELD(fadt_table->gpe1_blk_len, addr);
304 ACPI_READ_FIELD(fadt_table->gpe1_base, addr);
305 ACPI_READ_FIELD(fadt_table->reserved3, addr);
306 ACPI_READ_FIELD(fadt_table->plvl2_lat, addr);
307 ACPI_READ_FIELD(fadt_table->plvl3_lat, addr);
308 ACPI_READ_FIELD(fadt_table->flush_size, addr);
309 ACPI_READ_FIELD(fadt_table->flush_stride, addr);
310 ACPI_READ_FIELD(fadt_table->duty_offset, addr);
311 ACPI_READ_FIELD(fadt_table->duty_width, addr);
312 ACPI_READ_FIELD(fadt_table->day_alrm, addr);
313 ACPI_READ_FIELD(fadt_table->mon_alrm, addr);
314 ACPI_READ_FIELD(fadt_table->century, addr);
315 ACPI_READ_FIELD(fadt_table->reserved4, addr);
316 ACPI_READ_FIELD(fadt_table->reserved4a, addr);
317 ACPI_READ_FIELD(fadt_table->reserved4b, addr);
318 ACPI_READ_FIELD(fadt_table->flags, addr);
319
320 ACPI_ASSERT_CMP(fadt_table->signature, "FACP");
321 g_assert(!acpi_checksum((uint8_t *)fadt_table, fadt_table->length));
322 }
323
324 static void test_acpi_facs_table(test_data *data)
325 {
326 AcpiFacsDescriptorRev1 *facs_table = &data->facs_table;
327 uint32_t addr = data->fadt_table.firmware_ctrl;
328
329 ACPI_READ_FIELD(facs_table->signature, addr);
330 ACPI_READ_FIELD(facs_table->length, addr);
331 ACPI_READ_FIELD(facs_table->hardware_signature, addr);
332 ACPI_READ_FIELD(facs_table->firmware_waking_vector, addr);
333 ACPI_READ_FIELD(facs_table->global_lock, addr);
334 ACPI_READ_FIELD(facs_table->flags, addr);
335 ACPI_READ_ARRAY(facs_table->resverved3, addr);
336
337 ACPI_ASSERT_CMP(facs_table->signature, "FACS");
338 }
339
340 static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr)
341 {
342 uint8_t checksum;
343
344 ACPI_READ_TABLE_HEADER(&sdt_table->header, addr);
345
346 sdt_table->aml_len = sdt_table->header.length - sizeof(AcpiTableHeader);
347 sdt_table->aml = g_malloc0(sdt_table->aml_len);
348 ACPI_READ_ARRAY_PTR(sdt_table->aml, sdt_table->aml_len, addr);
349
350 checksum = acpi_checksum((uint8_t *)sdt_table, sizeof(AcpiTableHeader)) +
351 acpi_checksum((uint8_t *)sdt_table->aml, sdt_table->aml_len);
352 g_assert(!checksum);
353 }
354
355 static void test_acpi_dsdt_table(test_data *data)
356 {
357 AcpiSdtTable dsdt_table;
358 uint32_t addr = data->fadt_table.dsdt;
359
360 memset(&dsdt_table, 0, sizeof(dsdt_table));
361 data->tables = g_array_new(false, true, sizeof(AcpiSdtTable));
362
363 test_dst_table(&dsdt_table, addr);
364 ACPI_ASSERT_CMP(dsdt_table.header.signature, "DSDT");
365
366 /* Place DSDT first */
367 g_array_append_val(data->tables, dsdt_table);
368 }
369
370 static void test_acpi_tables(test_data *data)
371 {
372 int tables_nr = data->rsdt_tables_nr - 1; /* fadt is first */
373 int i;
374
375 for (i = 0; i < tables_nr; i++) {
376 AcpiSdtTable ssdt_table;
377
378 memset(&ssdt_table, 0 , sizeof(ssdt_table));
379 uint32_t addr = data->rsdt_tables_addr[i + 1]; /* fadt is first */
380 test_dst_table(&ssdt_table, addr);
381 g_array_append_val(data->tables, ssdt_table);
382 }
383 }
384
385 static void dump_aml_files(test_data *data, bool rebuild)
386 {
387 AcpiSdtTable *sdt;
388 GError *error = NULL;
389 gchar *aml_file = NULL;
390 gint fd;
391 ssize_t ret;
392 int i;
393
394 for (i = 0; i < data->tables->len; ++i) {
395 sdt = &g_array_index(data->tables, AcpiSdtTable, i);
396 g_assert(sdt->aml);
397
398 if (rebuild) {
399 uint32_t signature = cpu_to_le32(sdt->header.signature);
400 aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
401 (gchar *)&signature);
402 fd = g_open(aml_file, O_WRONLY|O_TRUNC|O_CREAT,
403 S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH);
404 } else {
405 fd = g_file_open_tmp("aml-XXXXXX", &sdt->aml_file, &error);
406 g_assert_no_error(error);
407 }
408 g_assert(fd >= 0);
409
410 ret = qemu_write_full(fd, sdt, sizeof(AcpiTableHeader));
411 g_assert(ret == sizeof(AcpiTableHeader));
412 ret = qemu_write_full(fd, sdt->aml, sdt->aml_len);
413 g_assert(ret == sdt->aml_len);
414
415 close(fd);
416
417 if (aml_file) {
418 g_free(aml_file);
419 }
420 }
421 }
422
423 static bool compare_signature(AcpiSdtTable *sdt, const char *signature)
424 {
425 return !memcmp(&sdt->header.signature, signature, 4);
426 }
427
428 static bool load_asl(GArray *sdts, AcpiSdtTable *sdt)
429 {
430 AcpiSdtTable *temp;
431 GError *error = NULL;
432 GString *command_line = g_string_new(iasl);
433 gint fd;
434 gchar *out, *out_err;
435 gboolean ret;
436 int i;
437
438 fd = g_file_open_tmp("asl-XXXXXX.dsl", &sdt->asl_file, &error);
439 g_assert_no_error(error);
440 close(fd);
441
442 /* build command line */
443 g_string_append_printf(command_line, " -p %s ", sdt->asl_file);
444 if (compare_signature(sdt, "DSDT") ||
445 compare_signature(sdt, "SSDT")) {
446 for (i = 0; i < sdts->len; ++i) {
447 temp = &g_array_index(sdts, AcpiSdtTable, i);
448 if (compare_signature(temp, "DSDT") ||
449 compare_signature(temp, "SSDT")) {
450 g_string_append_printf(command_line, "-e %s ", temp->aml_file);
451 }
452 }
453 }
454 g_string_append_printf(command_line, "-d %s", sdt->aml_file);
455
456 /* pass 'out' and 'out_err' in order to be redirected */
457 ret = g_spawn_command_line_sync(command_line->str, &out, &out_err, NULL, &error);
458 g_assert_no_error(error);
459 if (ret) {
460 ret = g_file_get_contents(sdt->asl_file, (gchar **)&sdt->asl,
461 &sdt->asl_len, &error);
462 g_assert(ret);
463 g_assert_no_error(error);
464 ret = (sdt->asl_len > 0);
465 }
466
467 g_free(out);
468 g_free(out_err);
469 g_string_free(command_line, true);
470
471 return !ret;
472 }
473
474 #define COMMENT_END "*/"
475 #define DEF_BLOCK "DefinitionBlock ("
476 #define BLOCK_NAME_END ".aml"
477
478 static GString *normalize_asl(gchar *asl_code)
479 {
480 GString *asl = g_string_new(asl_code);
481 gchar *comment, *block_name;
482
483 /* strip comments (different generation days) */
484 comment = g_strstr_len(asl->str, asl->len, COMMENT_END);
485 if (comment) {
486 asl = g_string_erase(asl, 0, comment + sizeof(COMMENT_END) - asl->str);
487 }
488
489 /* strip def block name (it has file path in it) */
490 if (g_str_has_prefix(asl->str, DEF_BLOCK)) {
491 block_name = g_strstr_len(asl->str, asl->len, BLOCK_NAME_END);
492 g_assert(block_name);
493 asl = g_string_erase(asl, 0,
494 block_name + sizeof(BLOCK_NAME_END) - asl->str);
495 }
496
497 return asl;
498 }
499
500 static GArray *load_expected_aml(test_data *data)
501 {
502 int i;
503 AcpiSdtTable *sdt;
504 gchar *aml_file;
505 GError *error = NULL;
506 gboolean ret;
507
508 GArray *exp_tables = g_array_new(false, true, sizeof(AcpiSdtTable));
509 for (i = 0; i < data->tables->len; ++i) {
510 AcpiSdtTable exp_sdt;
511 uint32_t signature;
512
513 sdt = &g_array_index(data->tables, AcpiSdtTable, i);
514
515 memset(&exp_sdt, 0, sizeof(exp_sdt));
516 exp_sdt.header.signature = sdt->header.signature;
517
518 signature = cpu_to_le32(sdt->header.signature);
519 aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
520 (gchar *)&signature);
521 exp_sdt.aml_file = aml_file;
522 g_assert(g_file_test(aml_file, G_FILE_TEST_EXISTS));
523 ret = g_file_get_contents(aml_file, &exp_sdt.aml,
524 &exp_sdt.aml_len, &error);
525 g_assert(ret);
526 g_assert_no_error(error);
527 g_assert(exp_sdt.aml);
528 g_assert(exp_sdt.aml_len);
529
530 g_array_append_val(exp_tables, exp_sdt);
531 }
532
533 return exp_tables;
534 }
535
536 static void test_acpi_asl(test_data *data)
537 {
538 int i;
539 AcpiSdtTable *sdt, *exp_sdt;
540 test_data exp_data;
541 gboolean exp_err, err;
542
543 memset(&exp_data, 0, sizeof(exp_data));
544 exp_data.tables = load_expected_aml(data);
545 dump_aml_files(data, false);
546 for (i = 0; i < data->tables->len; ++i) {
547 GString *asl, *exp_asl;
548
549 sdt = &g_array_index(data->tables, AcpiSdtTable, i);
550 exp_sdt = &g_array_index(exp_data.tables, AcpiSdtTable, i);
551
552 err = load_asl(data->tables, sdt);
553 asl = normalize_asl(sdt->asl);
554
555 exp_err = load_asl(exp_data.tables, exp_sdt);
556 exp_asl = normalize_asl(exp_sdt->asl);
557
558 /* TODO: check for warnings */
559 g_assert(!err || exp_err);
560
561 if (g_strcmp0(asl->str, exp_asl->str)) {
562 if (exp_err) {
563 fprintf(stderr,
564 "Warning! iasl couldn't parse the expected aml\n");
565 } else {
566 uint32_t signature = cpu_to_le32(exp_sdt->header.signature);
567 sdt->tmp_files_retain = true;
568 exp_sdt->tmp_files_retain = true;
569 fprintf(stderr,
570 "acpi-test: Warning! %.4s mismatch. "
571 "Actual [asl:%s, aml:%s], Expected [asl:%s, aml:%s].\n",
572 (gchar *)&signature,
573 sdt->asl_file, sdt->aml_file,
574 exp_sdt->asl_file, exp_sdt->aml_file);
575 }
576 }
577 g_string_free(asl, true);
578 g_string_free(exp_asl, true);
579 }
580
581 free_test_data(&exp_data);
582 }
583
584 static void test_acpi_one(const char *params, test_data *data)
585 {
586 char *args;
587 uint8_t signature_low;
588 uint8_t signature_high;
589 uint16_t signature;
590 int i;
591 const char *device = "";
592
593 if (!g_strcmp0(data->machine, MACHINE_Q35)) {
594 device = ",id=hd -device ide-hd,drive=hd";
595 }
596
597 args = g_strdup_printf("-net none -display none %s -drive file=%s%s,",
598 params ? params : "", disk, device);
599 qtest_start(args);
600
601 /* Wait at most 1 minute */
602 #define TEST_DELAY (1 * G_USEC_PER_SEC / 10)
603 #define TEST_CYCLES MAX((60 * G_USEC_PER_SEC / TEST_DELAY), 1)
604
605 /* Poll until code has run and modified memory. Once it has we know BIOS
606 * initialization is done. TODO: check that IP reached the halt
607 * instruction.
608 */
609 for (i = 0; i < TEST_CYCLES; ++i) {
610 signature_low = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET);
611 signature_high = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET + 1);
612 signature = (signature_high << 8) | signature_low;
613 if (signature == SIGNATURE) {
614 break;
615 }
616 g_usleep(TEST_DELAY);
617 }
618 g_assert_cmphex(signature, ==, SIGNATURE);
619
620 test_acpi_rsdp_address(data);
621 test_acpi_rsdp_table(data);
622 test_acpi_rsdt_table(data);
623 test_acpi_fadt_table(data);
624 test_acpi_facs_table(data);
625 test_acpi_dsdt_table(data);
626 test_acpi_tables(data);
627
628 if (iasl) {
629 if (getenv(ACPI_REBUILD_EXPECTED_AML)) {
630 dump_aml_files(data, true);
631 } else {
632 test_acpi_asl(data);
633 }
634 }
635
636 qtest_quit(global_qtest);
637 g_free(args);
638 }
639
640 static void test_acpi_tcg(void)
641 {
642 test_data data;
643
644 /* Supplying -machine accel argument overrides the default (qtest).
645 * This is to make guest actually run.
646 */
647 memset(&data, 0, sizeof(data));
648 data.machine = MACHINE_PC;
649 test_acpi_one("-machine accel=tcg", &data);
650 free_test_data(&data);
651
652 memset(&data, 0, sizeof(data));
653 data.machine = MACHINE_Q35;
654 test_acpi_one("-machine q35,accel=tcg", &data);
655 free_test_data(&data);
656 }
657
658 int main(int argc, char *argv[])
659 {
660 const char *arch = qtest_get_arch();
661 FILE *f = fopen(disk, "w");
662 int ret;
663 fwrite(boot_sector, 1, sizeof boot_sector, f);
664 fclose(f);
665
666 g_test_init(&argc, &argv, NULL);
667
668 if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
669 qtest_add_func("acpi/tcg", test_acpi_tcg);
670 }
671 ret = g_test_run();
672 unlink(disk);
673 return ret;
674 }