acpigen.c 44 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Tests for ACPI code generation
  4. *
  5. * Copyright 2019 Google LLC
  6. * Written by Simon Glass <sjg@chromium.org>
  7. */
  8. #include <common.h>
  9. #include <dm.h>
  10. #include <irq.h>
  11. #include <malloc.h>
  12. #include <uuid.h>
  13. #include <acpi/acpigen.h>
  14. #include <acpi/acpi_device.h>
  15. #include <acpi/acpi_table.h>
  16. #include <asm/gpio.h>
  17. #include <asm/unaligned.h>
  18. #include <dm/acpi.h>
  19. #include <dm/test.h>
  20. #include <dm/uclass-internal.h>
  21. #include <test/ut.h>
  22. #include "acpi.h"
  23. /* Maximum size of the ACPI context needed for most tests */
  24. #define ACPI_CONTEXT_SIZE 150
  25. #define TEST_STRING "frogmore"
  26. #define TEST_STRING2 "ranch"
  27. #define TEST_STREAM2 "\xfa\xde"
  28. #define TEST_INT8 0x7d
  29. #define TEST_INT16 0x2345
  30. #define TEST_INT32 0x12345678
  31. #define TEST_INT64 0x4567890123456
  32. int acpi_test_alloc_context_size(struct acpi_ctx **ctxp, int size)
  33. {
  34. struct acpi_ctx *ctx;
  35. *ctxp = NULL;
  36. ctx = malloc(sizeof(*ctx));
  37. if (!ctx)
  38. return -ENOMEM;
  39. ctx->base = malloc(size);
  40. if (!ctx->base) {
  41. free(ctx);
  42. return -ENOMEM;
  43. }
  44. ctx->ltop = 0;
  45. ctx->current = ctx->base;
  46. *ctxp = ctx;
  47. return 0;
  48. }
  49. int acpi_test_get_length(u8 *ptr)
  50. {
  51. if (!(*ptr & 0x80))
  52. return -EINVAL;
  53. return (*ptr & 0xf) | ptr[1] << 4 | ptr[2] << 12;
  54. }
  55. static int alloc_context(struct acpi_ctx **ctxp)
  56. {
  57. return acpi_test_alloc_context_size(ctxp, ACPI_CONTEXT_SIZE);
  58. }
  59. static void free_context(struct acpi_ctx **ctxp)
  60. {
  61. free((*ctxp)->base);
  62. free(*ctxp);
  63. *ctxp = NULL;
  64. }
  65. /* Test emitting simple types and acpigen_get_current() */
  66. static int dm_test_acpi_emit_simple(struct unit_test_state *uts)
  67. {
  68. struct acpi_ctx *ctx;
  69. u8 *ptr;
  70. ut_assertok(alloc_context(&ctx));
  71. ptr = acpigen_get_current(ctx);
  72. acpigen_emit_byte(ctx, 0x23);
  73. ut_asserteq(1, acpigen_get_current(ctx) - ptr);
  74. ut_asserteq(0x23, *(u8 *)ptr);
  75. acpigen_emit_word(ctx, 0x1234);
  76. ut_asserteq(3, acpigen_get_current(ctx) - ptr);
  77. ut_asserteq(0x1234, get_unaligned((u16 *)(ptr + 1)));
  78. acpigen_emit_dword(ctx, 0x87654321);
  79. ut_asserteq(7, acpigen_get_current(ctx) - ptr);
  80. ut_asserteq(0x87654321, get_unaligned((u32 *)(ptr + 3)));
  81. free_context(&ctx);
  82. return 0;
  83. }
  84. DM_TEST(dm_test_acpi_emit_simple, 0);
  85. /* Test emitting a stream */
  86. static int dm_test_acpi_emit_stream(struct unit_test_state *uts)
  87. {
  88. struct acpi_ctx *ctx;
  89. u8 *ptr;
  90. ut_assertok(alloc_context(&ctx));
  91. ptr = acpigen_get_current(ctx);
  92. acpigen_emit_stream(ctx, TEST_STREAM2, 2);
  93. ut_asserteq(2, acpigen_get_current(ctx) - ptr);
  94. ut_asserteq((u8)TEST_STREAM2[0], ptr[0]);
  95. ut_asserteq((u8)TEST_STREAM2[1], ptr[1]);
  96. free_context(&ctx);
  97. return 0;
  98. }
  99. DM_TEST(dm_test_acpi_emit_stream, 0);
  100. /* Test emitting a string */
  101. static int dm_test_acpi_emit_string(struct unit_test_state *uts)
  102. {
  103. struct acpi_ctx *ctx;
  104. u8 *ptr;
  105. ut_assertok(alloc_context(&ctx));
  106. ptr = acpigen_get_current(ctx);
  107. acpigen_emit_string(ctx, TEST_STRING);
  108. ut_asserteq(sizeof(TEST_STRING), acpigen_get_current(ctx) - ptr);
  109. ut_asserteq_str(TEST_STRING, (char *)ptr);
  110. free_context(&ctx);
  111. return 0;
  112. }
  113. DM_TEST(dm_test_acpi_emit_string, 0);
  114. /* Test emitting an interrupt descriptor */
  115. static int dm_test_acpi_interrupt(struct unit_test_state *uts)
  116. {
  117. struct acpi_ctx *ctx;
  118. struct udevice *dev;
  119. struct irq irq;
  120. u8 *ptr;
  121. ut_assertok(alloc_context(&ctx));
  122. ptr = acpigen_get_current(ctx);
  123. ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
  124. ut_assertok(irq_get_by_index(dev, 0, &irq));
  125. /* See a-test, property interrupts-extended in the device tree */
  126. ut_asserteq(3, acpi_device_write_interrupt_irq(ctx, &irq));
  127. ut_asserteq(9, acpigen_get_current(ctx) - ptr);
  128. ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
  129. ut_asserteq(6, get_unaligned((u16 *)(ptr + 1)));
  130. ut_asserteq(0x19, ptr[3]);
  131. ut_asserteq(1, ptr[4]);
  132. ut_asserteq(3, get_unaligned((u32 *)(ptr + 5)));
  133. free_context(&ctx);
  134. return 0;
  135. }
  136. DM_TEST(dm_test_acpi_interrupt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  137. /* Test emitting a GPIO descriptor */
  138. static int dm_test_acpi_gpio(struct unit_test_state *uts)
  139. {
  140. struct gpio_desc desc;
  141. struct acpi_ctx *ctx;
  142. struct udevice *dev;
  143. u8 *ptr;
  144. ut_assertok(alloc_context(&ctx));
  145. ptr = acpigen_get_current(ctx);
  146. ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
  147. ut_asserteq_str("a-test", dev->name);
  148. ut_assertok(gpio_request_by_name(dev, "test-gpios", 1, &desc, 0));
  149. /* This should write GPIO pin 4 (see device tree test.dts ) */
  150. ut_asserteq(4, acpi_device_write_gpio_desc(ctx, &desc));
  151. ut_asserteq(35, acpigen_get_current(ctx) - ptr);
  152. ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
  153. ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
  154. ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
  155. ut_asserteq(ACPI_GPIO_TYPE_IO, ptr[4]);
  156. ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
  157. ut_asserteq(9, get_unaligned((u16 *)(ptr + 7)));
  158. ut_asserteq(ACPI_GPIO_PULL_UP, ptr[9]);
  159. ut_asserteq(1234, get_unaligned((u16 *)(ptr + 10)));
  160. ut_asserteq(0, get_unaligned((u16 *)(ptr + 12)));
  161. ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
  162. ut_asserteq(0, ptr[16]);
  163. ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
  164. ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
  165. ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
  166. /* pin0 */
  167. ut_asserteq(4, get_unaligned((u16 *)(ptr + 23)));
  168. ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
  169. free_context(&ctx);
  170. return 0;
  171. }
  172. DM_TEST(dm_test_acpi_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  173. /* Test emitting a GPIO descriptor with an interrupt */
  174. static int dm_test_acpi_gpio_irq(struct unit_test_state *uts)
  175. {
  176. struct gpio_desc desc;
  177. struct acpi_ctx *ctx;
  178. struct udevice *dev;
  179. u8 *ptr;
  180. ut_assertok(alloc_context(&ctx));
  181. ptr = acpigen_get_current(ctx);
  182. ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
  183. ut_asserteq_str("a-test", dev->name);
  184. ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
  185. /* This should write GPIO pin 6 (see device tree test.dts ) */
  186. ut_asserteq(6, acpi_device_write_gpio_desc(ctx, &desc));
  187. ut_asserteq(35, acpigen_get_current(ctx) - ptr);
  188. ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
  189. ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
  190. ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
  191. ut_asserteq(ACPI_GPIO_TYPE_INTERRUPT, ptr[4]);
  192. ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
  193. ut_asserteq(29, get_unaligned((u16 *)(ptr + 7)));
  194. ut_asserteq(ACPI_GPIO_PULL_DOWN, ptr[9]);
  195. ut_asserteq(0, get_unaligned((u16 *)(ptr + 10)));
  196. ut_asserteq(4321, get_unaligned((u16 *)(ptr + 12)));
  197. ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
  198. ut_asserteq(0, ptr[16]);
  199. ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
  200. ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
  201. ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
  202. /* pin0 */
  203. ut_asserteq(6, get_unaligned((u16 *)(ptr + 23)));
  204. ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
  205. free_context(&ctx);
  206. return 0;
  207. }
  208. DM_TEST(dm_test_acpi_gpio_irq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  209. /* Test emitting either a GPIO or interrupt descriptor */
  210. static int dm_test_acpi_interrupt_or_gpio(struct unit_test_state *uts)
  211. {
  212. struct acpi_ctx *ctx;
  213. struct udevice *dev;
  214. u8 *ptr;
  215. ut_assertok(alloc_context(&ctx));
  216. ptr = acpigen_get_current(ctx);
  217. /* This should produce an interrupt, even though it also has a GPIO */
  218. ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
  219. ut_asserteq_str("a-test", dev->name);
  220. ut_asserteq(3, acpi_device_write_interrupt_or_gpio(ctx, dev,
  221. "test2-gpios"));
  222. ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
  223. /* This has no interrupt so should produce a GPIO */
  224. ptr = ctx->current;
  225. ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &dev));
  226. ut_asserteq(1, acpi_device_write_interrupt_or_gpio(ctx, dev,
  227. "enable-gpios"));
  228. ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
  229. /* This one has neither */
  230. ptr = acpigen_get_current(ctx);
  231. ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
  232. ut_asserteq_str("b-test", dev->name);
  233. ut_asserteq(-ENOENT,
  234. acpi_device_write_interrupt_or_gpio(ctx, dev,
  235. "enable-gpios"));
  236. free_context(&ctx);
  237. return 0;
  238. }
  239. DM_TEST(dm_test_acpi_interrupt_or_gpio,
  240. UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  241. /* Test emitting an I2C descriptor */
  242. static int dm_test_acpi_i2c(struct unit_test_state *uts)
  243. {
  244. struct acpi_ctx *ctx;
  245. struct udevice *dev;
  246. u8 *ptr;
  247. ut_assertok(alloc_context(&ctx));
  248. ptr = acpigen_get_current(ctx);
  249. ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
  250. ut_asserteq(0x43, acpi_device_write_i2c_dev(ctx, dev));
  251. ut_asserteq(28, acpigen_get_current(ctx) - ptr);
  252. ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
  253. ut_asserteq(25, get_unaligned((u16 *)(ptr + 1)));
  254. ut_asserteq(ACPI_I2C_SERIAL_BUS_REVISION_ID, ptr[3]);
  255. ut_asserteq(0, ptr[4]);
  256. ut_asserteq(ACPI_SERIAL_BUS_TYPE_I2C, ptr[5]);
  257. ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
  258. ut_asserteq(ACPI_I2C_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
  259. ut_asserteq(6, get_unaligned((u16 *)(ptr + 10)));
  260. ut_asserteq(100000, get_unaligned((u32 *)(ptr + 12)));
  261. ut_asserteq(0x43, get_unaligned((u16 *)(ptr + 16)));
  262. ut_asserteq_str("\\_SB.I2C0", (char *)ptr + 18);
  263. free_context(&ctx);
  264. return 0;
  265. }
  266. DM_TEST(dm_test_acpi_i2c, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  267. /* Test emitting a SPI descriptor */
  268. static int dm_test_acpi_spi(struct unit_test_state *uts)
  269. {
  270. struct acpi_ctx *ctx;
  271. struct udevice *dev;
  272. u8 *ptr;
  273. ut_assertok(alloc_context(&ctx));
  274. ptr = acpigen_get_current(ctx);
  275. ut_assertok(uclass_first_device_err(UCLASS_SPI_FLASH, &dev));
  276. ut_assertok(acpi_device_write_spi_dev(ctx, dev));
  277. ut_asserteq(31, acpigen_get_current(ctx) - ptr);
  278. ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
  279. ut_asserteq(28, get_unaligned((u16 *)(ptr + 1)));
  280. ut_asserteq(ACPI_SPI_SERIAL_BUS_REVISION_ID, ptr[3]);
  281. ut_asserteq(0, ptr[4]);
  282. ut_asserteq(ACPI_SERIAL_BUS_TYPE_SPI, ptr[5]);
  283. ut_asserteq(2, ptr[6]);
  284. ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
  285. ut_asserteq(ACPI_SPI_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
  286. ut_asserteq(9, get_unaligned((u16 *)(ptr + 10)));
  287. ut_asserteq(40000000, get_unaligned((u32 *)(ptr + 12)));
  288. ut_asserteq(8, ptr[16]);
  289. ut_asserteq(0, ptr[17]);
  290. ut_asserteq(0, ptr[18]);
  291. ut_asserteq(0, get_unaligned((u16 *)(ptr + 19)));
  292. ut_asserteq_str("\\_SB.SPI0", (char *)ptr + 21);
  293. free_context(&ctx);
  294. return 0;
  295. }
  296. DM_TEST(dm_test_acpi_spi, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  297. /* Test emitting a length */
  298. static int dm_test_acpi_len(struct unit_test_state *uts)
  299. {
  300. const int size = 0xc0000;
  301. struct acpi_ctx *ctx;
  302. u8 *ptr;
  303. int i;
  304. ut_assertok(acpi_test_alloc_context_size(&ctx, size));
  305. ptr = acpigen_get_current(ctx);
  306. /* Write a byte and a 3-byte length */
  307. acpigen_write_len_f(ctx);
  308. acpigen_emit_byte(ctx, 0x23);
  309. acpigen_pop_len(ctx);
  310. ut_asserteq(1 + 3, acpi_test_get_length(ptr));
  311. /* Write 200 bytes so we need two length bytes */
  312. ptr = ctx->current;
  313. acpigen_write_len_f(ctx);
  314. for (i = 0; i < 200; i++)
  315. acpigen_emit_byte(ctx, 0x23);
  316. acpigen_pop_len(ctx);
  317. ut_asserteq(200 + 3, acpi_test_get_length(ptr));
  318. /* Write 40KB so we need three length bytes */
  319. ptr = ctx->current;
  320. acpigen_write_len_f(ctx);
  321. for (i = 0; i < 40000; i++)
  322. acpigen_emit_byte(ctx, 0x23);
  323. acpigen_pop_len(ctx);
  324. ut_asserteq(40000 + 3, acpi_test_get_length(ptr));
  325. free_context(&ctx);
  326. return 0;
  327. }
  328. DM_TEST(dm_test_acpi_len, 0);
  329. /* Test writing a package */
  330. static int dm_test_acpi_package(struct unit_test_state *uts)
  331. {
  332. struct acpi_ctx *ctx;
  333. char *num_elements;
  334. u8 *ptr;
  335. ut_assertok(alloc_context(&ctx));
  336. ptr = acpigen_get_current(ctx);
  337. num_elements = acpigen_write_package(ctx, 3);
  338. ut_asserteq_ptr(num_elements, ptr + 4);
  339. /* For ease of testing, just emit a byte, not valid package contents */
  340. acpigen_emit_byte(ctx, 0x23);
  341. acpigen_pop_len(ctx);
  342. ut_asserteq(PACKAGE_OP, ptr[0]);
  343. ut_asserteq(5, acpi_test_get_length(ptr + 1));
  344. ut_asserteq(3, ptr[4]);
  345. free_context(&ctx);
  346. return 0;
  347. }
  348. DM_TEST(dm_test_acpi_package, 0);
  349. /* Test writing an integer */
  350. static int dm_test_acpi_integer(struct unit_test_state *uts)
  351. {
  352. struct acpi_ctx *ctx;
  353. u8 *ptr;
  354. ut_assertok(alloc_context(&ctx));
  355. ptr = acpigen_get_current(ctx);
  356. acpigen_write_integer(ctx, 0);
  357. acpigen_write_integer(ctx, 1);
  358. acpigen_write_integer(ctx, TEST_INT8);
  359. acpigen_write_integer(ctx, TEST_INT16);
  360. acpigen_write_integer(ctx, TEST_INT32);
  361. acpigen_write_integer(ctx, TEST_INT64);
  362. ut_asserteq(6 + 1 + 2 + 4 + 8, acpigen_get_current(ctx) - ptr);
  363. ut_asserteq(ZERO_OP, ptr[0]);
  364. ut_asserteq(ONE_OP, ptr[1]);
  365. ut_asserteq(BYTE_PREFIX, ptr[2]);
  366. ut_asserteq(TEST_INT8, ptr[3]);
  367. ut_asserteq(WORD_PREFIX, ptr[4]);
  368. ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 5)));
  369. ut_asserteq(DWORD_PREFIX, ptr[7]);
  370. ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 8)));
  371. ut_asserteq(QWORD_PREFIX, ptr[12]);
  372. ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 13)));
  373. free_context(&ctx);
  374. return 0;
  375. }
  376. DM_TEST(dm_test_acpi_integer, 0);
  377. /* Test writing a string */
  378. static int dm_test_acpi_string(struct unit_test_state *uts)
  379. {
  380. struct acpi_ctx *ctx;
  381. u8 *ptr;
  382. ut_assertok(alloc_context(&ctx));
  383. ptr = acpigen_get_current(ctx);
  384. acpigen_write_string(ctx, TEST_STRING);
  385. acpigen_write_string(ctx, TEST_STRING2);
  386. ut_asserteq(2 + sizeof(TEST_STRING) + sizeof(TEST_STRING2),
  387. acpigen_get_current(ctx) - ptr);
  388. ut_asserteq(STRING_PREFIX, ptr[0]);
  389. ut_asserteq_str(TEST_STRING, (char *)ptr + 1);
  390. ptr += 1 + sizeof(TEST_STRING);
  391. ut_asserteq(STRING_PREFIX, ptr[0]);
  392. ut_asserteq_str(TEST_STRING2, (char *)ptr + 1);
  393. free_context(&ctx);
  394. return 0;
  395. }
  396. DM_TEST(dm_test_acpi_string, 0);
  397. /* Test writing a name */
  398. static int dm_test_acpi_name(struct unit_test_state *uts)
  399. {
  400. struct acpi_ctx *ctx;
  401. u8 *ptr;
  402. ut_assertok(alloc_context(&ctx));
  403. ptr = acpigen_get_current(ctx);
  404. /*
  405. * The names here are made up for testing the various cases. The
  406. * grammar is in the ACPI spec 6.3 section 19.2.2
  407. */
  408. acpigen_write_name(ctx, "\\_SB");
  409. acpigen_write_name(ctx, "\\_SB.I2C0");
  410. acpigen_write_name(ctx, "\\_SB.I2C0.TPM2");
  411. acpigen_write_name(ctx, "\\_SB.I2C0.TPM2.LONG");
  412. acpigen_write_name(ctx, "^^^^SPI0.FLAS");
  413. acpigen_write_name(ctx, "NN");
  414. acpigen_write_name(ctx, "^AB.CD.D.EFG");
  415. acpigen_write_name(ctx, "^^^^");
  416. acpigen_write_name(ctx, "\\");
  417. acpigen_write_name(ctx, "\\ABCD");
  418. ut_asserteq(107, acpigen_get_current(ctx) - ptr);
  419. ut_asserteq(NAME_OP, ptr[0]);
  420. ut_asserteq_strn("\\_SB_", (char *)ptr + 1);
  421. ptr += 6;
  422. ut_asserteq(NAME_OP, ptr[0]);
  423. ut_asserteq('\\', ptr[1]);
  424. ut_asserteq(DUAL_NAME_PREFIX, ptr[2]);
  425. ut_asserteq_strn("_SB_I2C0", (char *)ptr + 3);
  426. ptr += 11;
  427. ut_asserteq(NAME_OP, ptr[0]);
  428. ut_asserteq('\\', ptr[1]);
  429. ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
  430. ut_asserteq(3, ptr[3]);
  431. ut_asserteq_strn("_SB_I2C0TPM2", (char *)ptr + 4);
  432. ptr += 16;
  433. ut_asserteq(NAME_OP, ptr[0]);
  434. ut_asserteq('\\', ptr[1]);
  435. ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
  436. ut_asserteq(4, ptr[3]);
  437. ut_asserteq_strn("_SB_I2C0TPM2LONG", (char *)ptr + 4);
  438. ptr += 20;
  439. ut_asserteq(NAME_OP, ptr[0]);
  440. ut_asserteq('^', ptr[1]);
  441. ut_asserteq('^', ptr[2]);
  442. ut_asserteq('^', ptr[3]);
  443. ut_asserteq('^', ptr[4]);
  444. ut_asserteq(DUAL_NAME_PREFIX, ptr[5]);
  445. ut_asserteq_strn("SPI0FLAS", (char *)ptr + 6);
  446. ptr += 14;
  447. ut_asserteq(NAME_OP, ptr[0]);
  448. ut_asserteq_strn("NN__", (char *)ptr + 1);
  449. ptr += 5;
  450. ut_asserteq(NAME_OP, ptr[0]);
  451. ut_asserteq('^', ptr[1]);
  452. ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
  453. ut_asserteq(4, ptr[3]);
  454. ut_asserteq_strn("AB__CD__D___EFG_", (char *)ptr + 4);
  455. ptr += 20;
  456. ut_asserteq(NAME_OP, ptr[0]);
  457. ut_asserteq('^', ptr[1]);
  458. ut_asserteq('^', ptr[2]);
  459. ut_asserteq('^', ptr[3]);
  460. ut_asserteq('^', ptr[4]);
  461. ut_asserteq(ZERO_OP, ptr[5]);
  462. ptr += 6;
  463. ut_asserteq(NAME_OP, ptr[0]);
  464. ut_asserteq('\\', ptr[1]);
  465. ut_asserteq(ZERO_OP, ptr[2]);
  466. ptr += 3;
  467. ut_asserteq(NAME_OP, ptr[0]);
  468. ut_asserteq_strn("\\ABCD", (char *)ptr + 1);
  469. ptr += 5;
  470. free_context(&ctx);
  471. return 0;
  472. }
  473. DM_TEST(dm_test_acpi_name, 0);
  474. /* Test writing a UUID */
  475. static int dm_test_acpi_uuid(struct unit_test_state *uts)
  476. {
  477. struct acpi_ctx *ctx;
  478. u8 *ptr;
  479. ut_assertok(alloc_context(&ctx));
  480. ptr = acpigen_get_current(ctx);
  481. ut_assertok(acpigen_write_uuid(ctx,
  482. "dbb8e3e6-5886-4ba6-8795-1319f52a966b"));
  483. ut_asserteq(23, acpigen_get_current(ctx) - ptr);
  484. ut_asserteq(BUFFER_OP, ptr[0]);
  485. ut_asserteq(22, acpi_test_get_length(ptr + 1));
  486. ut_asserteq(0xdbb8e3e6, get_unaligned((u32 *)(ptr + 7)));
  487. ut_asserteq(0x5886, get_unaligned((u16 *)(ptr + 11)));
  488. ut_asserteq(0x4ba6, get_unaligned((u16 *)(ptr + 13)));
  489. ut_asserteq(0x9587, get_unaligned((u16 *)(ptr + 15)));
  490. ut_asserteq(0x2af51913, get_unaligned((u32 *)(ptr + 17)));
  491. ut_asserteq(0x6b96, get_unaligned((u16 *)(ptr + 21)));
  492. /* Try a bad UUID */
  493. ut_asserteq(-EINVAL,
  494. acpigen_write_uuid(ctx,
  495. "dbb8e3e6-5886-4ba6x8795-1319f52a966b"));
  496. free_context(&ctx);
  497. return 0;
  498. }
  499. DM_TEST(dm_test_acpi_uuid, 0);
  500. /* Test writing misc ACPI codes */
  501. static int dm_test_acpi_misc(struct unit_test_state *uts)
  502. {
  503. struct acpi_ctx *ctx;
  504. const int flags = 3;
  505. const int nargs = 4;
  506. u8 *ptr;
  507. ut_assertok(alloc_context(&ctx));
  508. ptr = acpigen_get_current(ctx);
  509. acpigen_write_sleep(ctx, TEST_INT64);
  510. ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 3)));
  511. ptr += 11;
  512. acpigen_write_store(ctx);
  513. ut_asserteq(STORE_OP, *ptr);
  514. ptr++;
  515. acpigen_write_debug_string(ctx, TEST_STRING);
  516. ut_asserteq_str(TEST_STRING, (char *)ptr + 2);
  517. ptr += 2 + sizeof(TEST_STRING);
  518. ut_asserteq(EXT_OP_PREFIX, ptr[0]);
  519. ut_asserteq(DEBUG_OP, ptr[1]);
  520. ptr += 2;
  521. acpigen_write_sta(ctx, flags);
  522. ut_asserteq(METHOD_OP, ptr[0]);
  523. ut_asserteq(11, acpi_test_get_length(ptr + 1));
  524. ut_asserteq_strn("_STA", (char *)ptr + 4);
  525. ut_asserteq(0, ptr[8]);
  526. ut_asserteq(RETURN_OP, ptr[9]);
  527. ut_asserteq(BYTE_PREFIX, ptr[10]);
  528. ut_asserteq(flags, ptr[11]);
  529. ptr += 12;
  530. acpigen_write_sleep(ctx, TEST_INT16);
  531. ut_asserteq(SLEEP_OP, ptr[1]);
  532. ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 3)));
  533. ptr += 5;
  534. acpigen_write_method_serialized(ctx, "FRED", nargs);
  535. ut_asserteq(METHOD_OP, ptr[0]);
  536. ut_asserteq_strn("FRED", (char *)ptr + 4);
  537. ut_asserteq(1 << 3 | nargs, ptr[8]);
  538. ut_asserteq(1, ctx->ltop); /* method is unfinished */
  539. ptr += 9;
  540. acpigen_write_or(ctx, LOCAL0_OP, LOCAL1_OP, LOCAL2_OP);
  541. acpigen_write_and(ctx, LOCAL3_OP, LOCAL4_OP, LOCAL5_OP);
  542. acpigen_write_not(ctx, LOCAL6_OP, LOCAL7_OP);
  543. ut_asserteq(OR_OP, ptr[0]);
  544. ut_asserteq(LOCAL0_OP, ptr[1]);
  545. ut_asserteq(LOCAL1_OP, ptr[2]);
  546. ut_asserteq(LOCAL2_OP, ptr[3]);
  547. ptr += 4;
  548. ut_asserteq(AND_OP, ptr[0]);
  549. ut_asserteq(LOCAL3_OP, ptr[1]);
  550. ut_asserteq(LOCAL4_OP, ptr[2]);
  551. ut_asserteq(LOCAL5_OP, ptr[3]);
  552. ptr += 4;
  553. ut_asserteq(NOT_OP, ptr[0]);
  554. ut_asserteq(LOCAL6_OP, ptr[1]);
  555. ut_asserteq(LOCAL7_OP, ptr[2]);
  556. ptr += 3;
  557. ut_asserteq_ptr(ptr, ctx->current);
  558. free_context(&ctx);
  559. return 0;
  560. }
  561. DM_TEST(dm_test_acpi_misc, 0);
  562. /* Test writing an ACPI power resource */
  563. static int dm_test_acpi_power_res(struct unit_test_state *uts)
  564. {
  565. const char *const states[] = { "_PR0", "_PR3" };
  566. const char *name = "PRIC";
  567. const int level = 3;
  568. const int order = 2;
  569. struct acpi_ctx *ctx;
  570. u8 *ptr;
  571. ut_assertok(alloc_context(&ctx));
  572. ptr = acpigen_get_current(ctx);
  573. /* PowerResource (PRIC, 0, 0) */
  574. acpigen_write_power_res(ctx, name, level, order, states,
  575. ARRAY_SIZE(states));
  576. ut_asserteq(0x28, acpigen_get_current(ctx) - ptr);
  577. ut_asserteq(NAME_OP, ptr[0]);
  578. ut_asserteq_strn(states[0], (char *)ptr + 1);
  579. ut_asserteq(8, acpi_test_get_length(ptr + 6));
  580. ut_asserteq_strn(name, (char *)ptr + 0xa);
  581. ut_asserteq_strn(states[1], (char *)ptr + 0xf);
  582. ut_asserteq(8, acpi_test_get_length(ptr + 0x14));
  583. ut_asserteq_strn(name, (char *)ptr + 0x18);
  584. ut_asserteq(POWER_RES_OP, ptr[0x1d]);
  585. ut_asserteq_strn(name, (char *)ptr + 0x21);
  586. ut_asserteq(level, ptr[0x25]);
  587. ut_asserteq(order, get_unaligned((u16 *)(ptr + 0x26)));
  588. /* The length is not set - caller must use acpigen_pop_len() */
  589. ut_asserteq(1, ctx->ltop);
  590. free_context(&ctx);
  591. return 0;
  592. }
  593. DM_TEST(dm_test_acpi_power_res, 0);
  594. /* Test writing ACPI code to toggle a GPIO */
  595. static int dm_test_acpi_gpio_toggle(struct unit_test_state *uts)
  596. {
  597. const uint addr = 0x80012;
  598. const int txbit = BIT(2);
  599. struct gpio_desc desc;
  600. struct acpi_gpio gpio;
  601. struct acpi_ctx *ctx;
  602. struct udevice *dev;
  603. u8 *ptr;
  604. ut_assertok(alloc_context(&ctx));
  605. ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
  606. ut_asserteq_str("a-test", dev->name);
  607. ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
  608. ut_assertok(gpio_get_acpi(&desc, &gpio));
  609. /* Spot-check the results - see sb_gpio_get_acpi() */
  610. ptr = acpigen_get_current(ctx);
  611. acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
  612. &gpio, true);
  613. acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
  614. &gpio, false);
  615. /* Since this GPIO is active low, we expect it to be cleared here */
  616. ut_asserteq(STORE_OP, *ptr);
  617. ut_asserteq_strn("_SB_GPC0", (char *)ptr + 3);
  618. ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0xc)));
  619. ut_asserteq(LOCAL5_OP, ptr[0x10]);
  620. ut_asserteq(STORE_OP, ptr[0x11]);
  621. ut_asserteq(BYTE_PREFIX, ptr[0x12]);
  622. ut_asserteq(txbit, ptr[0x13]);
  623. ut_asserteq(LOCAL0_OP, ptr[0x14]);
  624. ut_asserteq(NOT_OP, ptr[0x15]);
  625. ut_asserteq(LOCAL0_OP, ptr[0x16]);
  626. ut_asserteq(LOCAL6_OP, ptr[0x17]);
  627. ut_asserteq(AND_OP, ptr[0x18]);
  628. ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x1e);
  629. ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x27)));
  630. ut_asserteq(LOCAL5_OP, ptr[0x2b]);
  631. /* Now the second one, which should be set */
  632. ut_asserteq_strn("_SB_GPC0", (char *)ptr + 0x2f);
  633. ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x38)));
  634. ut_asserteq(LOCAL5_OP, ptr[0x3c]);
  635. ut_asserteq(STORE_OP, ptr[0x3d]);
  636. ut_asserteq(OR_OP, ptr[0x41]);
  637. ut_asserteq(LOCAL0_OP, ptr[0x43]);
  638. ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x47);
  639. ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x50)));
  640. ut_asserteq(LOCAL5_OP, ptr[0x54]);
  641. ut_asserteq(0x55, acpigen_get_current(ctx) - ptr);
  642. free_context(&ctx);
  643. return 0;
  644. }
  645. DM_TEST(dm_test_acpi_gpio_toggle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  646. /* Test writing ACPI code to output power-sequence info */
  647. static int dm_test_acpi_power_seq(struct unit_test_state *uts)
  648. {
  649. struct gpio_desc reset, enable, stop;
  650. const uint addr = 0xc00dc, addr_act_low = 0x80012;
  651. const int txbit = BIT(2);
  652. struct acpi_ctx *ctx;
  653. struct udevice *dev;
  654. u8 *ptr;
  655. ut_assertok(acpi_test_alloc_context_size(&ctx, 400));
  656. ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
  657. ut_asserteq_str("a-test", dev->name);
  658. ut_assertok(gpio_request_by_name(dev, "test2-gpios", 0, &reset, 0));
  659. ut_assertok(gpio_request_by_name(dev, "test2-gpios", 1, &enable, 0));
  660. ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &stop, 0));
  661. ptr = acpigen_get_current(ctx);
  662. ut_assertok(acpi_device_add_power_res(ctx, txbit, "\\_SB.GPC0",
  663. "\\_SB.SPC0", &reset, 2, 3,
  664. &enable, 4, 5, &stop, 6, 7));
  665. ut_asserteq(0x186, acpigen_get_current(ctx) - ptr);
  666. ut_asserteq_strn("PRIC", (char *)ptr + 0x18);
  667. /* First the 'ON' sequence - spot check */
  668. ut_asserteq_strn("_ON_", (char *)ptr + 0x38);
  669. /* reset set */
  670. ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x49)));
  671. ut_asserteq(OR_OP, ptr[0x52]);
  672. /* enable set */
  673. ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x72)));
  674. ut_asserteq(OR_OP, ptr[0x7b]);
  675. /* reset clear */
  676. ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x9f)));
  677. ut_asserteq(NOT_OP, ptr[0xa8]);
  678. /* stop set (disable, active low) */
  679. ut_asserteq(addr_act_low + stop.offset,
  680. get_unaligned((u32 *)(ptr + 0xcf)));
  681. ut_asserteq(OR_OP, ptr[0xd8]);
  682. /* Now the 'OFF' sequence */
  683. ut_asserteq_strn("_OFF", (char *)ptr + 0xf4);
  684. /* stop clear (enable, active low) */
  685. ut_asserteq(addr_act_low + stop.offset,
  686. get_unaligned((u32 *)(ptr + 0x105)));
  687. ut_asserteq(NOT_OP, ptr[0x10e]);
  688. /* reset clear */
  689. ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x135)));
  690. ut_asserteq(OR_OP, ptr[0x13e]);
  691. /* enable clear */
  692. ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x162)));
  693. ut_asserteq(NOT_OP, ptr[0x16b]);
  694. free_context(&ctx);
  695. return 0;
  696. }
  697. DM_TEST(dm_test_acpi_power_seq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  698. /* Test writing values */
  699. static int dm_test_acpi_write_values(struct unit_test_state *uts)
  700. {
  701. struct acpi_ctx *ctx;
  702. u8 *ptr;
  703. ut_assertok(alloc_context(&ctx));
  704. ptr = acpigen_get_current(ctx);
  705. acpigen_write_zero(ctx);
  706. acpigen_write_one(ctx);
  707. acpigen_write_byte(ctx, TEST_INT8);
  708. acpigen_write_word(ctx, TEST_INT16);
  709. acpigen_write_dword(ctx, TEST_INT32);
  710. acpigen_write_qword(ctx, TEST_INT64);
  711. ut_asserteq(ZERO_OP, *ptr++);
  712. ut_asserteq(ONE_OP, *ptr++);
  713. ut_asserteq(BYTE_PREFIX, *ptr++);
  714. ut_asserteq(TEST_INT8, *ptr++);
  715. ut_asserteq(WORD_PREFIX, *ptr++);
  716. ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
  717. ptr += 2;
  718. ut_asserteq(DWORD_PREFIX, *ptr++);
  719. ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
  720. ptr += 4;
  721. ut_asserteq(QWORD_PREFIX, *ptr++);
  722. ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
  723. ptr += 8;
  724. ut_asserteq_ptr(ptr, ctx->current);
  725. free_context(&ctx);
  726. return 0;
  727. }
  728. DM_TEST(dm_test_acpi_write_values, 0);
  729. /* Test writing a scope */
  730. static int dm_test_acpi_scope(struct unit_test_state *uts)
  731. {
  732. char buf[ACPI_PATH_MAX];
  733. struct acpi_ctx *ctx;
  734. struct udevice *dev;
  735. u8 *ptr;
  736. ut_assertok(alloc_context(&ctx));
  737. ptr = acpigen_get_current(ctx);
  738. ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
  739. ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
  740. acpigen_write_scope(ctx, buf);
  741. acpigen_pop_len(ctx);
  742. ut_asserteq(SCOPE_OP, *ptr++);
  743. ut_asserteq(13, acpi_test_get_length(ptr));
  744. ptr += 3;
  745. ut_asserteq(ROOT_PREFIX, *ptr++);
  746. ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
  747. ut_asserteq_strn("_SB_" ACPI_TEST_DEV_NAME, (char *)ptr);
  748. ptr += 8;
  749. ut_asserteq_ptr(ptr, ctx->current);
  750. free_context(&ctx);
  751. return 0;
  752. }
  753. DM_TEST(dm_test_acpi_scope, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  754. /* Test writing a resource template */
  755. static int dm_test_acpi_resource_template(struct unit_test_state *uts)
  756. {
  757. struct acpi_gen_regaddr addr;
  758. struct acpi_ctx *ctx;
  759. u8 *ptr;
  760. ut_assertok(alloc_context(&ctx));
  761. ptr = acpigen_get_current(ctx);
  762. addr.space_id = ACPI_ADDRESS_SPACE_EC;
  763. addr.bit_width = 32;
  764. addr.bit_offset = 8;
  765. addr.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
  766. addr.addrl = TEST_INT64 & 0xffffffff;
  767. addr.addrh = TEST_INT64 >> 32;
  768. acpigen_write_register_resource(ctx, &addr);
  769. ut_asserteq(BUFFER_OP, *ptr++);
  770. ut_asserteq(0x17, acpi_test_get_length(ptr));
  771. ptr += 3;
  772. ut_asserteq(WORD_PREFIX, *ptr++);
  773. ut_asserteq(0x11, get_unaligned((u16 *)ptr));
  774. ptr += 2;
  775. ut_asserteq(ACPI_DESCRIPTOR_REGISTER, *ptr++);
  776. ut_asserteq(0xc, *ptr++);
  777. ut_asserteq(0, *ptr++);
  778. ut_asserteq(ACPI_ADDRESS_SPACE_EC, *ptr++);
  779. ut_asserteq(32, *ptr++);
  780. ut_asserteq(8, *ptr++);
  781. ut_asserteq(ACPI_ACCESS_SIZE_DWORD_ACCESS, *ptr++);
  782. ut_asserteq(TEST_INT64 & 0xffffffff, get_unaligned((u32 *)ptr));
  783. ptr += 4;
  784. ut_asserteq(TEST_INT64 >> 32, get_unaligned((u32 *)ptr));
  785. ptr += 4;
  786. ut_asserteq(ACPI_END_TAG, *ptr++);
  787. ut_asserteq(0x00, *ptr++);
  788. ut_asserteq_ptr(ptr, ctx->current);
  789. free_context(&ctx);
  790. return 0;
  791. }
  792. DM_TEST(dm_test_acpi_resource_template, 0);
  793. /* Test writing a device */
  794. static int dm_test_acpi_device(struct unit_test_state *uts)
  795. {
  796. struct acpi_ctx *ctx;
  797. u8 *ptr;
  798. ut_assertok(alloc_context(&ctx));
  799. ptr = acpigen_get_current(ctx);
  800. acpigen_write_device(ctx, "\\_SB." ACPI_TEST_DEV_NAME);
  801. acpigen_pop_len(ctx);
  802. ut_asserteq(EXT_OP_PREFIX, *ptr++);
  803. ut_asserteq(DEVICE_OP, *ptr++);
  804. ut_asserteq(0xd, acpi_test_get_length(ptr));
  805. ptr += 3;
  806. ut_asserteq(ROOT_PREFIX, *ptr++);
  807. ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
  808. ptr += 8;
  809. ut_asserteq_ptr(ptr, ctx->current);
  810. free_context(&ctx);
  811. return 0;
  812. }
  813. DM_TEST(dm_test_acpi_device, 0);
  814. /* Test writing named values */
  815. static int dm_test_acpi_write_name(struct unit_test_state *uts)
  816. {
  817. const char *name = "\\_SB." ACPI_TEST_DEV_NAME;
  818. struct acpi_ctx *ctx;
  819. u8 *ptr;
  820. ut_assertok(alloc_context(&ctx));
  821. ptr = acpigen_get_current(ctx);
  822. acpigen_write_name_zero(ctx, name);
  823. acpigen_write_name_one(ctx, name);
  824. acpigen_write_name_byte(ctx, name, TEST_INT8);
  825. acpigen_write_name_word(ctx, name, TEST_INT16);
  826. acpigen_write_name_dword(ctx, name, TEST_INT32);
  827. acpigen_write_name_qword(ctx, name, TEST_INT64);
  828. acpigen_write_name_integer(ctx, name, TEST_INT64 + 1);
  829. acpigen_write_name_string(ctx, name, "baldrick");
  830. acpigen_write_name_string(ctx, name, NULL);
  831. ut_asserteq(NAME_OP, *ptr++);
  832. ut_asserteq_strn("\\._SB_ABCD", (char *)ptr);
  833. ptr += 10;
  834. ut_asserteq(ZERO_OP, *ptr++);
  835. ut_asserteq(NAME_OP, *ptr++);
  836. ptr += 10;
  837. ut_asserteq(ONE_OP, *ptr++);
  838. ut_asserteq(NAME_OP, *ptr++);
  839. ptr += 10;
  840. ut_asserteq(BYTE_PREFIX, *ptr++);
  841. ut_asserteq(TEST_INT8, *ptr++);
  842. ut_asserteq(NAME_OP, *ptr++);
  843. ptr += 10;
  844. ut_asserteq(WORD_PREFIX, *ptr++);
  845. ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
  846. ptr += 2;
  847. ut_asserteq(NAME_OP, *ptr++);
  848. ptr += 10;
  849. ut_asserteq(DWORD_PREFIX, *ptr++);
  850. ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
  851. ptr += 4;
  852. ut_asserteq(NAME_OP, *ptr++);
  853. ptr += 10;
  854. ut_asserteq(QWORD_PREFIX, *ptr++);
  855. ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
  856. ptr += 8;
  857. ut_asserteq(NAME_OP, *ptr++);
  858. ptr += 10;
  859. ut_asserteq(QWORD_PREFIX, *ptr++);
  860. ut_asserteq_64(TEST_INT64 + 1, get_unaligned((u64 *)ptr));
  861. ptr += 8;
  862. ut_asserteq(NAME_OP, *ptr++);
  863. ptr += 10;
  864. ut_asserteq(STRING_PREFIX, *ptr++);
  865. ut_asserteq_str("baldrick", (char *)ptr)
  866. ptr += 9;
  867. ut_asserteq(NAME_OP, *ptr++);
  868. ptr += 10;
  869. ut_asserteq(STRING_PREFIX, *ptr++);
  870. ut_asserteq('\0', *ptr++);
  871. ut_asserteq_ptr(ptr, ctx->current);
  872. free_context(&ctx);
  873. return 0;
  874. }
  875. DM_TEST(dm_test_acpi_write_name, 0);
  876. /* Test emitting a _PRW component */
  877. static int dm_test_acpi_write_prw(struct unit_test_state *uts)
  878. {
  879. struct acpi_ctx *ctx;
  880. u8 *ptr;
  881. ut_assertok(alloc_context(&ctx));
  882. ptr = acpigen_get_current(ctx);
  883. acpigen_write_prw(ctx, 5, 3);
  884. ut_asserteq(NAME_OP, *ptr++);
  885. ut_asserteq_strn("_PRW", (char *)ptr);
  886. ptr += 4;
  887. ut_asserteq(PACKAGE_OP, *ptr++);
  888. ut_asserteq(8, acpi_test_get_length(ptr));
  889. ptr += 3;
  890. ut_asserteq(2, *ptr++);
  891. ut_asserteq(BYTE_PREFIX, *ptr++);
  892. ut_asserteq(5, *ptr++);
  893. ut_asserteq(BYTE_PREFIX, *ptr++);
  894. ut_asserteq(3, *ptr++);
  895. ut_asserteq_ptr(ptr, ctx->current);
  896. free_context(&ctx);
  897. return 0;
  898. }
  899. DM_TEST(dm_test_acpi_write_prw, 0);
  900. /* Test emitting writing conditionals */
  901. static int dm_test_acpi_write_cond(struct unit_test_state *uts)
  902. {
  903. struct acpi_ctx *ctx;
  904. u8 *ptr;
  905. ut_assertok(alloc_context(&ctx));
  906. ptr = acpigen_get_current(ctx);
  907. acpigen_write_if(ctx);
  908. acpigen_pop_len(ctx);
  909. ut_asserteq(IF_OP, *ptr++);
  910. ut_asserteq(3, acpi_test_get_length(ptr));
  911. ptr += 3;
  912. acpigen_write_else(ctx);
  913. acpigen_pop_len(ctx);
  914. ut_asserteq(ELSE_OP, *ptr++);
  915. ut_asserteq(3, acpi_test_get_length(ptr));
  916. ptr += 3;
  917. acpigen_write_if_lequal_op_int(ctx, LOCAL1_OP, 5);
  918. acpigen_pop_len(ctx);
  919. ut_asserteq(IF_OP, *ptr++);
  920. ut_asserteq(7, acpi_test_get_length(ptr));
  921. ptr += 3;
  922. ut_asserteq(LEQUAL_OP, *ptr++);
  923. ut_asserteq(LOCAL1_OP, *ptr++);
  924. ut_asserteq(BYTE_PREFIX, *ptr++);
  925. ut_asserteq(5, *ptr++);
  926. ut_asserteq_ptr(ptr, ctx->current);
  927. free_context(&ctx);
  928. return 0;
  929. }
  930. DM_TEST(dm_test_acpi_write_cond, 0);
  931. /* Test emitting writing return values and ToBuffer/ToInteger */
  932. static int dm_test_acpi_write_return(struct unit_test_state *uts)
  933. {
  934. int len = sizeof(TEST_STRING);
  935. struct acpi_ctx *ctx;
  936. u8 *ptr;
  937. ut_assertok(alloc_context(&ctx));
  938. ptr = acpigen_get_current(ctx);
  939. acpigen_write_to_buffer(ctx, ARG0_OP, LOCAL0_OP);
  940. ut_asserteq(TO_BUFFER_OP, *ptr++);
  941. ut_asserteq(ARG0_OP, *ptr++);
  942. ut_asserteq(LOCAL0_OP, *ptr++);
  943. acpigen_write_to_integer(ctx, ARG0_OP, LOCAL0_OP);
  944. ut_asserteq(TO_INTEGER_OP, *ptr++);
  945. ut_asserteq(ARG0_OP, *ptr++);
  946. ut_asserteq(LOCAL0_OP, *ptr++);
  947. acpigen_write_return_byte_buffer(ctx, (u8 *)TEST_STRING, len);
  948. ut_asserteq(RETURN_OP, *ptr++);
  949. ut_asserteq(BUFFER_OP, *ptr++);
  950. ut_asserteq(5 + len, acpi_test_get_length(ptr));
  951. ptr += 3;
  952. ut_asserteq(BYTE_PREFIX, *ptr++);
  953. ut_asserteq(len, *ptr++);
  954. ut_asserteq_mem(TEST_STRING, ptr, len);
  955. ptr += len;
  956. acpigen_write_return_singleton_buffer(ctx, 123);
  957. len = 1;
  958. ut_asserteq(RETURN_OP, *ptr++);
  959. ut_asserteq(BUFFER_OP, *ptr++);
  960. ut_asserteq(4 + len, acpi_test_get_length(ptr));
  961. ptr += 3;
  962. ut_asserteq(ONE_OP, *ptr++);
  963. ut_asserteq(123, *ptr++);
  964. acpigen_write_return_byte(ctx, 43);
  965. ut_asserteq(RETURN_OP, *ptr++);
  966. ut_asserteq(BYTE_PREFIX, *ptr++);
  967. ut_asserteq(43, *ptr++);
  968. ut_asserteq_ptr(ptr, ctx->current);
  969. free_context(&ctx);
  970. return 0;
  971. }
  972. DM_TEST(dm_test_acpi_write_return, 0);
  973. /* Test emitting a DSM for an I2C HID */
  974. static int dm_test_acpi_write_i2c_dsm(struct unit_test_state *uts)
  975. {
  976. char uuid_str[UUID_STR_LEN + 1];
  977. const int reg_offset = 0x20;
  978. struct acpi_ctx *ctx;
  979. u8 *ptr;
  980. ut_assertok(alloc_context(&ctx));
  981. ptr = acpigen_get_current(ctx);
  982. ut_assertok(acpi_device_write_dsm_i2c_hid(ctx, reg_offset));
  983. /* acpigen_write_dsm_start() */
  984. ut_asserteq(METHOD_OP, *ptr++);
  985. ut_asserteq(0x78, acpi_test_get_length(ptr));
  986. ptr += 3;
  987. ut_asserteq_strn("_DSM", (char *)ptr);
  988. ptr += 4;
  989. ut_asserteq(ACPI_METHOD_SERIALIZED_MASK | 4, *ptr++);
  990. ut_asserteq(TO_BUFFER_OP, *ptr++);
  991. ut_asserteq(ARG0_OP, *ptr++);
  992. ut_asserteq(LOCAL0_OP, *ptr++);
  993. /* acpigen_write_dsm_uuid_start() */
  994. ut_asserteq(IF_OP, *ptr++);
  995. ut_asserteq(0x65, acpi_test_get_length(ptr));
  996. ptr += 3;
  997. ut_asserteq(LEQUAL_OP, *ptr++);
  998. ut_asserteq(LOCAL0_OP, *ptr++);
  999. ut_asserteq(BUFFER_OP, *ptr++);
  1000. ut_asserteq(UUID_BIN_LEN + 6, acpi_test_get_length(ptr));
  1001. ptr += 3;
  1002. ut_asserteq(WORD_PREFIX, *ptr++);
  1003. ut_asserteq(UUID_BIN_LEN, get_unaligned((u16 *)ptr));
  1004. ptr += 2;
  1005. uuid_bin_to_str(ptr, uuid_str, UUID_STR_FORMAT_GUID);
  1006. ut_asserteq_str(ACPI_DSM_I2C_HID_UUID, uuid_str);
  1007. ptr += UUID_BIN_LEN;
  1008. ut_asserteq(TO_INTEGER_OP, *ptr++);
  1009. ut_asserteq(ARG2_OP, *ptr++);
  1010. ut_asserteq(LOCAL1_OP, *ptr++);
  1011. /* acpigen_write_dsm_uuid_start_cond() */
  1012. ut_asserteq(IF_OP, *ptr++);
  1013. ut_asserteq(0x34, acpi_test_get_length(ptr));
  1014. ptr += 3;
  1015. ut_asserteq(LEQUAL_OP, *ptr++);
  1016. ut_asserteq(LOCAL1_OP, *ptr++);
  1017. ut_asserteq(ZERO_OP, *ptr++);
  1018. /*
  1019. * See code from acpi_device_write_dsm_i2c_hid(). We don't check every
  1020. * piece
  1021. */
  1022. ut_asserteq(TO_INTEGER_OP, *ptr++);
  1023. ut_asserteq(ARG1_OP, *ptr++);
  1024. ut_asserteq(LOCAL2_OP, *ptr++);
  1025. ut_asserteq(IF_OP, *ptr++);
  1026. ut_asserteq(0xd, acpi_test_get_length(ptr));
  1027. ptr += 3;
  1028. ut_asserteq(LEQUAL_OP, *ptr++);
  1029. ut_asserteq(LOCAL2_OP, *ptr++);
  1030. ut_asserteq(ZERO_OP, *ptr++); /* function 0 */
  1031. ut_asserteq(RETURN_OP, *ptr++);
  1032. ut_asserteq(BUFFER_OP, *ptr++);
  1033. ptr += 5;
  1034. ut_asserteq(ELSE_OP, *ptr++);
  1035. ptr += 3;
  1036. ut_asserteq(IF_OP, *ptr++);
  1037. ut_asserteq(0xd, acpi_test_get_length(ptr));
  1038. ptr += 3;
  1039. ut_asserteq(LEQUAL_OP, *ptr++);
  1040. ut_asserteq(LOCAL2_OP, *ptr++);
  1041. ut_asserteq(ONE_OP, *ptr++);
  1042. ut_asserteq(RETURN_OP, *ptr++);
  1043. ut_asserteq(BUFFER_OP, *ptr++);
  1044. ptr += 5;
  1045. ut_asserteq(ELSE_OP, *ptr++);
  1046. ptr += 3;
  1047. ut_asserteq(RETURN_OP, *ptr++);
  1048. ut_asserteq(BUFFER_OP, *ptr++);
  1049. ptr += 5;
  1050. /* acpigen_write_dsm_uuid_start_cond() */
  1051. ut_asserteq(IF_OP, *ptr++);
  1052. ut_asserteq(9, acpi_test_get_length(ptr));
  1053. ptr += 3;
  1054. ut_asserteq(LEQUAL_OP, *ptr++);
  1055. ut_asserteq(LOCAL1_OP, *ptr++);
  1056. ut_asserteq(ONE_OP, *ptr++); /* function 1 */
  1057. ut_asserteq(RETURN_OP, *ptr++);
  1058. ut_asserteq(BYTE_PREFIX, *ptr++);
  1059. ut_asserteq(reg_offset, *ptr++);
  1060. /* acpigen_write_dsm_uuid_end() */
  1061. ut_asserteq(RETURN_OP, *ptr++);
  1062. ut_asserteq(BUFFER_OP, *ptr++);
  1063. ptr += 5;
  1064. /* acpigen_write_dsm_end */
  1065. ut_asserteq(RETURN_OP, *ptr++);
  1066. ut_asserteq(BUFFER_OP, *ptr++);
  1067. ptr += 5;
  1068. ut_asserteq_ptr(ptr, ctx->current);
  1069. free_context(&ctx);
  1070. return 0;
  1071. }
  1072. DM_TEST(dm_test_acpi_write_i2c_dsm, 0);
  1073. /* Test emitting a processor */
  1074. static int dm_test_acpi_write_processor(struct unit_test_state *uts)
  1075. {
  1076. const int cpuindex = 6;
  1077. const u32 pblock_addr = 0x12345600;
  1078. const u32 pblock_len = 0x60;
  1079. struct acpi_ctx *ctx;
  1080. u8 *ptr;
  1081. ut_assertok(alloc_context(&ctx));
  1082. ptr = acpigen_get_current(ctx);
  1083. acpigen_write_processor(ctx, cpuindex, pblock_addr, pblock_len);
  1084. acpigen_pop_len(ctx);
  1085. ut_asserteq(EXT_OP_PREFIX, *ptr++);
  1086. ut_asserteq(PROCESSOR_OP, *ptr++);
  1087. ut_asserteq(0x13, acpi_test_get_length(ptr));
  1088. ptr += 3;
  1089. ut_asserteq_strn("\\._PR_CP06", (char *)ptr);
  1090. ptr += 10;
  1091. ut_asserteq(cpuindex, *ptr++);
  1092. ut_asserteq(pblock_addr, get_unaligned((u32 *)ptr));
  1093. ptr += 4;
  1094. ut_asserteq(pblock_len, *ptr++);
  1095. ut_asserteq_ptr(ptr, ctx->current);
  1096. free_context(&ctx);
  1097. return 0;
  1098. }
  1099. DM_TEST(dm_test_acpi_write_processor, 0);
  1100. /* Test emitting a processor package */
  1101. static int dm_test_acpi_write_processor_package(struct unit_test_state *uts)
  1102. {
  1103. const int core_count = 3;
  1104. struct acpi_ctx *ctx;
  1105. u8 *ptr;
  1106. ut_assertok(alloc_context(&ctx));
  1107. ptr = acpigen_get_current(ctx);
  1108. acpigen_write_processor_package(ctx, "XCPU", 0, core_count);
  1109. ut_asserteq(NAME_OP, *ptr++);
  1110. ut_asserteq_strn("XCPU", (char *)ptr);
  1111. ptr += 4;
  1112. ut_asserteq(PACKAGE_OP, *ptr++);
  1113. ptr += 3; /* skip length */
  1114. ut_asserteq(core_count, *ptr++);
  1115. ut_asserteq_strn("\\._PR_CP00", (char *)ptr);
  1116. ptr += 10;
  1117. ut_asserteq_strn("\\._PR_CP01", (char *)ptr);
  1118. ptr += 10;
  1119. ut_asserteq_strn("\\._PR_CP02", (char *)ptr);
  1120. ptr += 10;
  1121. ut_asserteq_ptr(ptr, ctx->current);
  1122. free_context(&ctx);
  1123. return 0;
  1124. }
  1125. DM_TEST(dm_test_acpi_write_processor_package, 0);
  1126. /* Test emitting a processor notification package */
  1127. static int dm_test_acpi_write_processor_cnot(struct unit_test_state *uts)
  1128. {
  1129. const int core_count = 3;
  1130. struct acpi_ctx *ctx;
  1131. u8 *ptr;
  1132. ut_assertok(alloc_context(&ctx));
  1133. ptr = acpigen_get_current(ctx);
  1134. acpigen_write_processor_cnot(ctx, core_count);
  1135. ut_asserteq(METHOD_OP, *ptr++);
  1136. ptr += 3; /* skip length */
  1137. ut_asserteq_strn("\\._PR_CNOT", (char *)ptr);
  1138. ptr += 10;
  1139. ut_asserteq(1, *ptr++);
  1140. ut_asserteq(NOTIFY_OP, *ptr++);
  1141. ut_asserteq_strn("\\._PR_CP00", (char *)ptr);
  1142. ptr += 10;
  1143. ut_asserteq(ARG0_OP, *ptr++);
  1144. ut_asserteq(NOTIFY_OP, *ptr++);
  1145. ut_asserteq_strn("\\._PR_CP01", (char *)ptr);
  1146. ptr += 10;
  1147. ut_asserteq(ARG0_OP, *ptr++);
  1148. ut_asserteq(NOTIFY_OP, *ptr++);
  1149. ut_asserteq_strn("\\._PR_CP02", (char *)ptr);
  1150. ptr += 10;
  1151. ut_asserteq(ARG0_OP, *ptr++);
  1152. ut_asserteq_ptr(ptr, ctx->current);
  1153. free_context(&ctx);
  1154. return 0;
  1155. }
  1156. DM_TEST(dm_test_acpi_write_processor_cnot, 0);
  1157. /* Test acpigen_write_tpc */
  1158. static int dm_test_acpi_write_tpc(struct unit_test_state *uts)
  1159. {
  1160. struct acpi_ctx *ctx;
  1161. u8 *ptr;
  1162. ut_assertok(alloc_context(&ctx));
  1163. ptr = acpigen_get_current(ctx);
  1164. acpigen_write_tpc(ctx, "\\TLVL");
  1165. ut_asserteq(METHOD_OP, *ptr++);
  1166. ptr += 3; /* skip length */
  1167. ut_asserteq_strn("_TPC", (char *)ptr);
  1168. ptr += 4;
  1169. ut_asserteq(0, *ptr++);
  1170. ut_asserteq(RETURN_OP, *ptr++);
  1171. ut_asserteq_strn("\\TLVL", (char *)ptr);
  1172. ptr += 5;
  1173. ut_asserteq_ptr(ptr, ctx->current);
  1174. free_context(&ctx);
  1175. return 0;
  1176. }
  1177. DM_TEST(dm_test_acpi_write_tpc, 0);
  1178. /* Test acpigen_write_pss_package(), etc. */
  1179. static int dm_test_acpi_write_pss_psd(struct unit_test_state *uts)
  1180. {
  1181. struct acpi_ctx *ctx;
  1182. u8 *ptr;
  1183. ut_assertok(alloc_context(&ctx));
  1184. ptr = acpigen_get_current(ctx);
  1185. acpigen_write_pss_package(ctx, 1, 2, 3, 4, 5, 6);
  1186. ut_asserteq(PACKAGE_OP, *ptr++);
  1187. ptr += 3; /* skip length */
  1188. ut_asserteq(6, *ptr++);
  1189. ut_asserteq(DWORD_PREFIX, *ptr++);
  1190. ut_asserteq(1, get_unaligned((u32 *)ptr));
  1191. ptr += 5;
  1192. ut_asserteq(2, get_unaligned((u32 *)ptr));
  1193. ptr += 5;
  1194. ut_asserteq(3, get_unaligned((u32 *)ptr));
  1195. ptr += 5;
  1196. ut_asserteq(4, get_unaligned((u32 *)ptr));
  1197. ptr += 5;
  1198. ut_asserteq(5, get_unaligned((u32 *)ptr));
  1199. ptr += 5;
  1200. ut_asserteq(6, get_unaligned((u32 *)ptr));
  1201. ptr += 4;
  1202. acpigen_write_psd_package(ctx, 6, 7, HW_ALL);
  1203. ut_asserteq(NAME_OP, *ptr++);
  1204. ut_asserteq_strn("_PSD", (char *)ptr);
  1205. ptr += 4;
  1206. ut_asserteq(PACKAGE_OP, *ptr++);
  1207. ptr += 3; /* skip length */
  1208. ut_asserteq(1, *ptr++);
  1209. ut_asserteq(PACKAGE_OP, *ptr++);
  1210. ptr += 3; /* skip length */
  1211. ut_asserteq(5, *ptr++);
  1212. ut_asserteq(BYTE_PREFIX, *ptr++);
  1213. ut_asserteq(5, *ptr++);
  1214. ut_asserteq(BYTE_PREFIX, *ptr++);
  1215. ut_asserteq(0, *ptr++);
  1216. ut_asserteq(DWORD_PREFIX, *ptr++);
  1217. ut_asserteq(6, get_unaligned((u32 *)ptr));
  1218. ptr += 5;
  1219. ut_asserteq(HW_ALL, get_unaligned((u32 *)ptr));
  1220. ptr += 5;
  1221. ut_asserteq(7, get_unaligned((u32 *)ptr));
  1222. ptr += 4;
  1223. ut_asserteq_ptr(ptr, ctx->current);
  1224. free_context(&ctx);
  1225. return 0;
  1226. }
  1227. DM_TEST(dm_test_acpi_write_pss_psd, 0);
  1228. /* Test acpi_write_cst_package() */
  1229. static int dm_test_acpi_write_cst(struct unit_test_state *uts)
  1230. {
  1231. static struct acpi_cstate cstate_map[] = {
  1232. {
  1233. /* C1 */
  1234. .ctype = 1, /* ACPI C1 */
  1235. .latency = 1,
  1236. .power = 1000,
  1237. .resource = {
  1238. .space_id = ACPI_ADDRESS_SPACE_FIXED,
  1239. },
  1240. }, {
  1241. .ctype = 2, /* ACPI C2 */
  1242. .latency = 50,
  1243. .power = 10,
  1244. .resource = {
  1245. .space_id = ACPI_ADDRESS_SPACE_IO,
  1246. .bit_width = 8,
  1247. .addrl = 0x415,
  1248. },
  1249. },
  1250. };
  1251. int nentries = ARRAY_SIZE(cstate_map);
  1252. struct acpi_ctx *ctx;
  1253. u8 *ptr;
  1254. int i;
  1255. ut_assertok(alloc_context(&ctx));
  1256. ptr = acpigen_get_current(ctx);
  1257. acpigen_write_cst_package(ctx, cstate_map, nentries);
  1258. ut_asserteq(NAME_OP, *ptr++);
  1259. ut_asserteq_strn("_CST", (char *)ptr);
  1260. ptr += 4;
  1261. ut_asserteq(PACKAGE_OP, *ptr++);
  1262. ptr += 3; /* skip length */
  1263. ut_asserteq(nentries + 1, *ptr++);
  1264. ut_asserteq(DWORD_PREFIX, *ptr++);
  1265. ut_asserteq(nentries, get_unaligned((u32 *)ptr));
  1266. ptr += 4;
  1267. for (i = 0; i < nentries; i++) {
  1268. ut_asserteq(PACKAGE_OP, *ptr++);
  1269. ptr += 3; /* skip length */
  1270. ut_asserteq(4, *ptr++);
  1271. ut_asserteq(BUFFER_OP, *ptr++);
  1272. ptr += 0x17;
  1273. ut_asserteq(DWORD_PREFIX, *ptr++);
  1274. ut_asserteq(cstate_map[i].ctype, get_unaligned((u32 *)ptr));
  1275. ptr += 5;
  1276. ut_asserteq(cstate_map[i].latency, get_unaligned((u32 *)ptr));
  1277. ptr += 5;
  1278. ut_asserteq(cstate_map[i].power, get_unaligned((u32 *)ptr));
  1279. ptr += 4;
  1280. }
  1281. ut_asserteq_ptr(ptr, ctx->current);
  1282. free_context(&ctx);
  1283. return 0;
  1284. }
  1285. DM_TEST(dm_test_acpi_write_cst, 0);
  1286. /* Test acpi_write_cst_package() */
  1287. static int dm_test_acpi_write_csd(struct unit_test_state *uts)
  1288. {
  1289. struct acpi_ctx *ctx;
  1290. u8 *ptr;
  1291. ut_assertok(alloc_context(&ctx));
  1292. ptr = acpigen_get_current(ctx);
  1293. acpigen_write_csd_package(ctx, 12, 34, CSD_HW_ALL, 56);
  1294. ut_asserteq(NAME_OP, *ptr++);
  1295. ut_asserteq_strn("_CSD", (char *)ptr);
  1296. ptr += 4;
  1297. ut_asserteq(PACKAGE_OP, *ptr++);
  1298. ptr += 3; /* skip length */
  1299. ut_asserteq(1, *ptr++);
  1300. ut_asserteq(PACKAGE_OP, *ptr++);
  1301. ptr += 3; /* skip length */
  1302. ut_asserteq(6, *ptr++);
  1303. ut_asserteq(BYTE_PREFIX, *ptr++);
  1304. ut_asserteq(6, *ptr++);
  1305. ut_asserteq(BYTE_PREFIX, *ptr++);
  1306. ut_asserteq(0, *ptr++);
  1307. ut_asserteq(DWORD_PREFIX, *ptr++);
  1308. ut_asserteq(12, get_unaligned((u32 *)ptr));
  1309. ptr += 5;
  1310. ut_asserteq(CSD_HW_ALL, get_unaligned((u32 *)ptr));
  1311. ptr += 5;
  1312. ut_asserteq(34, get_unaligned((u32 *)ptr));
  1313. ptr += 5;
  1314. ut_asserteq(56, get_unaligned((u32 *)ptr));
  1315. ptr += 4;
  1316. ut_asserteq_ptr(ptr, ctx->current);
  1317. free_context(&ctx);
  1318. return 0;
  1319. }
  1320. DM_TEST(dm_test_acpi_write_csd, 0);
  1321. /* Test acpigen_write_tss_package() */
  1322. static int dm_test_acpi_write_tss(struct unit_test_state *uts)
  1323. {
  1324. static struct acpi_tstate tstate_list[] = {
  1325. { 1, 2, 3, 4, 5, },
  1326. { 6, 7, 8, 9, 10, },
  1327. };
  1328. int nentries = ARRAY_SIZE(tstate_list);
  1329. struct acpi_ctx *ctx;
  1330. u8 *ptr;
  1331. int i;
  1332. ut_assertok(alloc_context(&ctx));
  1333. ptr = acpigen_get_current(ctx);
  1334. acpigen_write_tss_package(ctx, tstate_list, nentries);
  1335. ut_asserteq(NAME_OP, *ptr++);
  1336. ut_asserteq_strn("_TSS", (char *)ptr);
  1337. ptr += 4;
  1338. ut_asserteq(PACKAGE_OP, *ptr++);
  1339. ptr += 3; /* skip length */
  1340. ut_asserteq(nentries, *ptr++);
  1341. for (i = 0; i < nentries; i++) {
  1342. ut_asserteq(PACKAGE_OP, *ptr++);
  1343. ptr += 3; /* skip length */
  1344. ut_asserteq(5, *ptr++);
  1345. ut_asserteq(DWORD_PREFIX, *ptr++);
  1346. ut_asserteq(tstate_list[i].percent, get_unaligned((u32 *)ptr));
  1347. ptr += 5;
  1348. ut_asserteq(tstate_list[i].power, get_unaligned((u32 *)ptr));
  1349. ptr += 5;
  1350. ut_asserteq(tstate_list[i].latency, get_unaligned((u32 *)ptr));
  1351. ptr += 5;
  1352. ut_asserteq(tstate_list[i].control, get_unaligned((u32 *)ptr));
  1353. ptr += 5;
  1354. ut_asserteq(tstate_list[i].status, get_unaligned((u32 *)ptr));
  1355. ptr += 4;
  1356. }
  1357. ut_asserteq_ptr(ptr, ctx->current);
  1358. free_context(&ctx);
  1359. return 0;
  1360. }
  1361. DM_TEST(dm_test_acpi_write_tss, 0);
  1362. /* Test acpigen_write_tsd_package() */
  1363. static int dm_test_acpi_write_tsd_package(struct unit_test_state *uts)
  1364. {
  1365. struct acpi_ctx *ctx;
  1366. u8 *ptr;
  1367. ut_assertok(alloc_context(&ctx));
  1368. ptr = acpigen_get_current(ctx);
  1369. acpigen_write_tsd_package(ctx, 12, 34, HW_ALL);
  1370. ut_asserteq(NAME_OP, *ptr++);
  1371. ut_asserteq_strn("_TSD", (char *)ptr);
  1372. ptr += 4;
  1373. ut_asserteq(PACKAGE_OP, *ptr++);
  1374. ptr += 3; /* skip length */
  1375. ut_asserteq(1, *ptr++);
  1376. ut_asserteq(PACKAGE_OP, *ptr++);
  1377. ptr += 3; /* skip length */
  1378. ut_asserteq(5, *ptr++);
  1379. ut_asserteq(BYTE_PREFIX, *ptr++);
  1380. ut_asserteq(5, *ptr++);
  1381. ut_asserteq(BYTE_PREFIX, *ptr++);
  1382. ut_asserteq(0, *ptr++);
  1383. ut_asserteq(DWORD_PREFIX, *ptr++);
  1384. ut_asserteq(12, get_unaligned((u32 *)ptr));
  1385. ptr += 5;
  1386. ut_asserteq(CSD_HW_ALL, get_unaligned((u32 *)ptr));
  1387. ptr += 5;
  1388. ut_asserteq(34, get_unaligned((u32 *)ptr));
  1389. ptr += 4;
  1390. ut_asserteq_ptr(ptr, ctx->current);
  1391. free_context(&ctx);
  1392. return 0;
  1393. }
  1394. DM_TEST(dm_test_acpi_write_tsd_package, 0);