1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Tests for ACPI table generation
4  *
5  * Copyright 2019 Google LLC
6  * Written by Simon Glass <sjg@chromium.org>
7  */
8 
9 #include <common.h>
10 #include <console.h>
11 #include <dm.h>
12 #include <malloc.h>
13 #include <mapmem.h>
14 #include <timestamp.h>
15 #include <version.h>
16 #include <tables_csum.h>
17 #include <version.h>
18 #include <acpi/acpigen.h>
19 #include <acpi/acpi_device.h>
20 #include <acpi/acpi_table.h>
21 #include <asm/global_data.h>
22 #include <dm/acpi.h>
23 #include <dm/test.h>
24 #include <test/ut.h>
25 #include "acpi.h"
26 
27 #define BUF_SIZE		4096
28 
29 #define OEM_REVISION ((((U_BOOT_VERSION_NUM / 1000) % 10) << 28) | \
30 		      (((U_BOOT_VERSION_NUM / 100) % 10) << 24) | \
31 		      (((U_BOOT_VERSION_NUM / 10) % 10) << 20) | \
32 		      ((U_BOOT_VERSION_NUM % 10) << 16) | \
33 		      (((U_BOOT_VERSION_NUM_PATCH / 10) % 10) << 12) | \
34 		      ((U_BOOT_VERSION_NUM_PATCH % 10) << 8) | \
35 		      0x01)
36 
37 /**
38  * struct testacpi_plat - Platform data for the test ACPI device
39  *
40  * @no_name: true to emit an empty ACPI name from testacpi_get_name()
41  * @return_error: true to return an error instead of a name
42  */
43 struct testacpi_plat {
44 	bool return_error;
45 	bool no_name;
46 };
47 
testacpi_write_tables(const struct udevice * dev,struct acpi_ctx * ctx)48 static int testacpi_write_tables(const struct udevice *dev,
49 				 struct acpi_ctx *ctx)
50 {
51 	struct acpi_dmar *dmar;
52 	int ret;
53 
54 	dmar = (struct acpi_dmar *)ctx->current;
55 	acpi_create_dmar(dmar, DMAR_INTR_REMAP);
56 	ctx->current += sizeof(struct acpi_dmar);
57 	ret = acpi_add_table(ctx, dmar);
58 	if (ret)
59 		return log_msg_ret("add", ret);
60 
61 	return 0;
62 }
63 
testacpi_get_name(const struct udevice * dev,char * out_name)64 static int testacpi_get_name(const struct udevice *dev, char *out_name)
65 {
66 	struct testacpi_plat *plat = dev_get_plat(dev);
67 
68 	if (plat->return_error)
69 		return -EINVAL;
70 	if (plat->no_name) {
71 		*out_name = '\0';
72 		return 0;
73 	}
74 	if (device_get_uclass_id(dev->parent) == UCLASS_TEST_ACPI)
75 		return acpi_copy_name(out_name, ACPI_TEST_CHILD_NAME);
76 	else
77 		return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME);
78 }
79 
testacpi_fill_ssdt(const struct udevice * dev,struct acpi_ctx * ctx)80 static int testacpi_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx)
81 {
82 	const char *data;
83 
84 	data = dev_read_string(dev, "acpi-ssdt-test-data");
85 	if (data) {
86 		while (*data)
87 			acpigen_emit_byte(ctx, *data++);
88 	}
89 
90 	return 0;
91 }
92 
testacpi_inject_dsdt(const struct udevice * dev,struct acpi_ctx * ctx)93 static int testacpi_inject_dsdt(const struct udevice *dev, struct acpi_ctx *ctx)
94 {
95 	const char *data;
96 
97 	data = dev_read_string(dev, "acpi-dsdt-test-data");
98 	if (data) {
99 		while (*data)
100 			acpigen_emit_byte(ctx, *data++);
101 	}
102 
103 	return 0;
104 }
105 
106 struct acpi_ops testacpi_ops = {
107 	.get_name	= testacpi_get_name,
108 	.write_tables	= testacpi_write_tables,
109 	.fill_ssdt	= testacpi_fill_ssdt,
110 	.inject_dsdt	= testacpi_inject_dsdt,
111 };
112 
113 static const struct udevice_id testacpi_ids[] = {
114 	{ .compatible = "denx,u-boot-acpi-test" },
115 	{ }
116 };
117 
118 U_BOOT_DRIVER(testacpi_drv) = {
119 	.name	= "testacpi_drv",
120 	.of_match	= testacpi_ids,
121 	.id	= UCLASS_TEST_ACPI,
122 	.bind	= dm_scan_fdt_dev,
123 	.plat_auto	= sizeof(struct testacpi_plat),
124 	ACPI_OPS_PTR(&testacpi_ops)
125 };
126 
127 UCLASS_DRIVER(testacpi) = {
128 	.name		= "testacpi",
129 	.id		= UCLASS_TEST_ACPI,
130 };
131 
132 /* Test ACPI get_name() */
dm_test_acpi_get_name(struct unit_test_state * uts)133 static int dm_test_acpi_get_name(struct unit_test_state *uts)
134 {
135 	char name[ACPI_NAME_MAX];
136 	struct udevice *dev, *dev2, *i2c, *spi, *timer, *sound;
137 	struct udevice *pci, *root;
138 
139 	/* Test getting the name from the driver */
140 	ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
141 	ut_assertok(acpi_get_name(dev, name));
142 	ut_asserteq_str(ACPI_TEST_DEV_NAME, name);
143 
144 	/* Test getting the name from the device tree */
145 	ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
146 					      &dev2));
147 	ut_assertok(acpi_get_name(dev2, name));
148 	ut_asserteq_str("GHIJ", name);
149 
150 	/* Test getting the name from acpi_device_get_name() */
151 	ut_assertok(uclass_first_device(UCLASS_I2C, &i2c));
152 	ut_assertok(acpi_get_name(i2c, name));
153 	ut_asserteq_str("I2C0", name);
154 
155 	ut_assertok(uclass_first_device(UCLASS_SPI, &spi));
156 	ut_assertok(acpi_get_name(spi, name));
157 	ut_asserteq_str("SPI0", name);
158 
159 	/* ACPI doesn't know about the timer */
160 	ut_assertok(uclass_first_device(UCLASS_TIMER, &timer));
161 	ut_asserteq(-ENOENT, acpi_get_name(timer, name));
162 
163 	/* May as well test the rest of the cases */
164 	ut_assertok(uclass_first_device(UCLASS_SOUND, &sound));
165 	ut_assertok(acpi_get_name(sound, name));
166 	ut_asserteq_str("HDAS", name);
167 
168 	ut_assertok(uclass_first_device(UCLASS_PCI, &pci));
169 	ut_assertok(acpi_get_name(pci, name));
170 	ut_asserteq_str("PCI0", name);
171 
172 	ut_assertok(uclass_first_device(UCLASS_ROOT, &root));
173 	ut_assertok(acpi_get_name(root, name));
174 	ut_asserteq_str("\\_SB", name);
175 
176 	/* Note that we don't have tests for acpi_name_from_id() */
177 
178 	return 0;
179 }
180 DM_TEST(dm_test_acpi_get_name, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
181 
182 /* Test acpi_get_table_revision() */
dm_test_acpi_get_table_revision(struct unit_test_state * uts)183 static int dm_test_acpi_get_table_revision(struct unit_test_state *uts)
184 {
185 	ut_asserteq(1, acpi_get_table_revision(ACPITAB_MCFG));
186 	ut_asserteq(2, acpi_get_table_revision(ACPITAB_RSDP));
187 	ut_asserteq(4, acpi_get_table_revision(ACPITAB_TPM2));
188 	ut_asserteq(-EINVAL, acpi_get_table_revision(ACPITAB_COUNT));
189 
190 	return 0;
191 }
192 DM_TEST(dm_test_acpi_get_table_revision,
193 	UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
194 
195 /* Test acpi_create_dmar() */
dm_test_acpi_create_dmar(struct unit_test_state * uts)196 static int dm_test_acpi_create_dmar(struct unit_test_state *uts)
197 {
198 	struct acpi_dmar dmar;
199 	struct udevice *cpu;
200 
201 	ut_assertok(uclass_first_device(UCLASS_CPU, &cpu));
202 	ut_assertnonnull(cpu);
203 	ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP));
204 	ut_asserteq(DMAR_INTR_REMAP, dmar.flags);
205 	ut_asserteq(32 - 1, dmar.host_address_width);
206 
207 	return 0;
208 }
209 DM_TEST(dm_test_acpi_create_dmar, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
210 
211 /* Test acpi_fill_header() */
dm_test_acpi_fill_header(struct unit_test_state * uts)212 static int dm_test_acpi_fill_header(struct unit_test_state *uts)
213 {
214 	struct acpi_table_header hdr;
215 
216 	/* Make sure these 5 fields are not changed */
217 	hdr.length = 0x11;
218 	hdr.revision = 0x22;
219 	hdr.checksum = 0x33;
220 	hdr.aslc_revision = 0x44;
221 	acpi_fill_header(&hdr, "ABCD");
222 
223 	ut_asserteq_mem("ABCD", hdr.signature, sizeof(hdr.signature));
224 	ut_asserteq(0x11, hdr.length);
225 	ut_asserteq(0x22, hdr.revision);
226 	ut_asserteq(0x33, hdr.checksum);
227 	ut_asserteq_mem(OEM_ID, hdr.oem_id, sizeof(hdr.oem_id));
228 	ut_asserteq_mem(OEM_TABLE_ID, hdr.oem_table_id,
229 			sizeof(hdr.oem_table_id));
230 	ut_asserteq(OEM_REVISION, hdr.oem_revision);
231 	ut_asserteq_mem(ASLC_ID, hdr.aslc_id, sizeof(hdr.aslc_id));
232 	ut_asserteq(0x44, hdr.aslc_revision);
233 
234 	return 0;
235 }
236 DM_TEST(dm_test_acpi_fill_header, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
237 
238 /* Test ACPI write_tables() */
dm_test_acpi_write_tables(struct unit_test_state * uts)239 static int dm_test_acpi_write_tables(struct unit_test_state *uts)
240 {
241 	struct acpi_dmar *dmar;
242 	struct acpi_ctx ctx;
243 	void *buf;
244 	int i;
245 
246 	buf = malloc(BUF_SIZE);
247 	ut_assertnonnull(buf);
248 
249 	acpi_setup_base_tables(&ctx, buf);
250 	dmar = ctx.current;
251 	ut_assertok(acpi_write_dev_tables(&ctx));
252 
253 	/*
254 	 * We should have three dmar tables, one for each
255 	 * "denx,u-boot-acpi-test" device
256 	 */
257 	ut_asserteq_ptr(dmar + 3, ctx.current);
258 	ut_asserteq(DMAR_INTR_REMAP, dmar->flags);
259 	ut_asserteq(32 - 1, dmar->host_address_width);
260 
261 	ut_asserteq(DMAR_INTR_REMAP, dmar[1].flags);
262 	ut_asserteq(32 - 1, dmar[1].host_address_width);
263 
264 	ut_asserteq(DMAR_INTR_REMAP, dmar[2].flags);
265 	ut_asserteq(32 - 1, dmar[2].host_address_width);
266 
267 	/* Check that the pointers were added correctly */
268 	for (i = 0; i < 3; i++) {
269 		ut_asserteq(map_to_sysmem(dmar + i), ctx.rsdt->entry[i]);
270 		ut_asserteq(map_to_sysmem(dmar + i), ctx.xsdt->entry[i]);
271 	}
272 	ut_asserteq(0, ctx.rsdt->entry[3]);
273 	ut_asserteq(0, ctx.xsdt->entry[3]);
274 
275 	return 0;
276 }
277 DM_TEST(dm_test_acpi_write_tables, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
278 
279 /* Test basic ACPI functions */
dm_test_acpi_basic(struct unit_test_state * uts)280 static int dm_test_acpi_basic(struct unit_test_state *uts)
281 {
282 	struct acpi_ctx ctx;
283 
284 	/* Check align works */
285 	ctx.current = (void *)5;
286 	acpi_align(&ctx);
287 	ut_asserteq_ptr((void *)16, ctx.current);
288 
289 	/* Check that align does nothing if already aligned */
290 	acpi_align(&ctx);
291 	ut_asserteq_ptr((void *)16, ctx.current);
292 	acpi_align64(&ctx);
293 	ut_asserteq_ptr((void *)64, ctx.current);
294 	acpi_align64(&ctx);
295 	ut_asserteq_ptr((void *)64, ctx.current);
296 
297 	/* Check incrementing */
298 	acpi_inc(&ctx, 3);
299 	ut_asserteq_ptr((void *)67, ctx.current);
300 	acpi_inc_align(&ctx, 3);
301 	ut_asserteq_ptr((void *)80, ctx.current);
302 
303 	return 0;
304 }
305 DM_TEST(dm_test_acpi_basic, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
306 
307 /* Test acpi_setup_base_tables */
dm_test_acpi_setup_base_tables(struct unit_test_state * uts)308 static int dm_test_acpi_setup_base_tables(struct unit_test_state *uts)
309 {
310 	struct acpi_rsdp *rsdp;
311 	struct acpi_rsdt *rsdt;
312 	struct acpi_xsdt *xsdt;
313 	struct acpi_ctx ctx;
314 	void *buf, *end;
315 
316 	/*
317 	 * Use an unaligned address deliberately, by allocating an aligned
318 	 * address and then adding 4 to it
319 	 */
320 	buf = memalign(64, BUF_SIZE);
321 	ut_assertnonnull(buf);
322 	acpi_setup_base_tables(&ctx, buf + 4);
323 	ut_asserteq(map_to_sysmem(PTR_ALIGN(buf + 4, 16)), gd->arch.acpi_start);
324 
325 	rsdp = buf + 16;
326 	ut_asserteq_ptr(rsdp, ctx.rsdp);
327 	ut_asserteq_mem(RSDP_SIG, rsdp->signature, sizeof(rsdp->signature));
328 	ut_asserteq(sizeof(*rsdp), rsdp->length);
329 	ut_assertok(table_compute_checksum(rsdp, 20));
330 	ut_assertok(table_compute_checksum(rsdp, sizeof(*rsdp)));
331 
332 	rsdt = PTR_ALIGN((void *)rsdp + sizeof(*rsdp), 16);
333 	ut_asserteq_ptr(rsdt, ctx.rsdt);
334 	ut_asserteq_mem("RSDT", rsdt->header.signature, ACPI_NAME_LEN);
335 	ut_asserteq(sizeof(*rsdt), rsdt->header.length);
336 	ut_assertok(table_compute_checksum(rsdt, sizeof(*rsdt)));
337 
338 	xsdt = PTR_ALIGN((void *)rsdt + sizeof(*rsdt), 16);
339 	ut_asserteq_ptr(xsdt, ctx.xsdt);
340 	ut_asserteq_mem("XSDT", xsdt->header.signature, ACPI_NAME_LEN);
341 	ut_asserteq(sizeof(*xsdt), xsdt->header.length);
342 	ut_assertok(table_compute_checksum(xsdt, sizeof(*xsdt)));
343 
344 	end = PTR_ALIGN((void *)xsdt + sizeof(*xsdt), 64);
345 	ut_asserteq_ptr(end, ctx.current);
346 
347 	ut_asserteq(map_to_sysmem(rsdt), rsdp->rsdt_address);
348 	ut_asserteq(map_to_sysmem(xsdt), rsdp->xsdt_address);
349 
350 	return 0;
351 }
352 DM_TEST(dm_test_acpi_setup_base_tables,
353 	UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
354 
355 /* Test 'acpi list' command */
dm_test_acpi_cmd_list(struct unit_test_state * uts)356 static int dm_test_acpi_cmd_list(struct unit_test_state *uts)
357 {
358 	struct acpi_ctx ctx;
359 	ulong addr;
360 	void *buf;
361 
362 	buf = memalign(16, BUF_SIZE);
363 	ut_assertnonnull(buf);
364 	acpi_setup_base_tables(&ctx, buf);
365 
366 	ut_assertok(acpi_write_dev_tables(&ctx));
367 
368 	console_record_reset();
369 	run_command("acpi list", 0);
370 	addr = (ulong)map_to_sysmem(buf);
371 	ut_assert_nextline("ACPI tables start at %lx", addr);
372 	ut_assert_nextline("RSDP %08lx %06zx (v02 U-BOOT)", addr,
373 			   sizeof(struct acpi_rsdp));
374 	addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16);
375 	ut_assert_nextline("RSDT %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
376 			   addr, sizeof(struct acpi_table_header) +
377 			   3 * sizeof(u32), OEM_REVISION);
378 	addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16);
379 	ut_assert_nextline("XSDT %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
380 			   addr, sizeof(struct acpi_table_header) +
381 			   3 * sizeof(u64), OEM_REVISION);
382 	addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64);
383 	ut_assert_nextline("DMAR %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
384 			   addr, sizeof(struct acpi_dmar), OEM_REVISION);
385 	addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
386 	ut_assert_nextline("DMAR %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
387 			   addr, sizeof(struct acpi_dmar), OEM_REVISION);
388 	addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
389 	ut_assert_nextline("DMAR %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
390 			   addr, sizeof(struct acpi_dmar), OEM_REVISION);
391 	ut_assert_console_end();
392 
393 	return 0;
394 }
395 DM_TEST(dm_test_acpi_cmd_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
396 
397 /* Test 'acpi dump' command */
dm_test_acpi_cmd_dump(struct unit_test_state * uts)398 static int dm_test_acpi_cmd_dump(struct unit_test_state *uts)
399 {
400 	struct acpi_ctx ctx;
401 	ulong addr;
402 	void *buf;
403 
404 	buf = memalign(16, BUF_SIZE);
405 	ut_assertnonnull(buf);
406 	acpi_setup_base_tables(&ctx, buf);
407 
408 	ut_assertok(acpi_write_dev_tables(&ctx));
409 
410 	/* First search for a non-existent table */
411 	console_record_reset();
412 	run_command("acpi dump rdst", 0);
413 	ut_assert_nextline("Table 'RDST' not found");
414 	ut_assert_console_end();
415 
416 	/* Now a real table */
417 	console_record_reset();
418 	run_command("acpi dump dmar", 0);
419 	addr = ALIGN(map_to_sysmem(ctx.xsdt) + sizeof(struct acpi_xsdt), 64);
420 	ut_assert_nextline("DMAR @ %08lx", addr);
421 	ut_assert_nextlines_are_dump(0x30);
422 	ut_assert_console_end();
423 
424 	return 0;
425 }
426 DM_TEST(dm_test_acpi_cmd_dump, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
427 
428 /* Test acpi_device_path() */
dm_test_acpi_device_path(struct unit_test_state * uts)429 static int dm_test_acpi_device_path(struct unit_test_state *uts)
430 {
431 	struct testacpi_plat *plat;
432 	char buf[ACPI_PATH_MAX];
433 	struct udevice *dev, *child;
434 
435 	ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
436 	ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
437 	ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME, buf);
438 
439 	/* Test running out of space */
440 	buf[5] = '\0';
441 	ut_asserteq(-ENOSPC, acpi_device_path(dev, buf, 5));
442 	ut_asserteq('\0', buf[5]);
443 
444 	/* Test a three-component name */
445 	ut_assertok(device_first_child_err(dev, &child));
446 	ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
447 	ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME "." ACPI_TEST_CHILD_NAME,
448 			buf);
449 
450 	/* Test handling of a device which doesn't produce a name */
451 	plat = dev_get_plat(dev);
452 	plat->no_name = true;
453 	ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
454 	ut_asserteq_str("\\_SB." ACPI_TEST_CHILD_NAME, buf);
455 
456 	/* Test handling of a device which returns an error */
457 	plat = dev_get_plat(dev);
458 	plat->return_error = true;
459 	ut_asserteq(-EINVAL, acpi_device_path(child, buf, sizeof(buf)));
460 
461 	return 0;
462 }
463 DM_TEST(dm_test_acpi_device_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
464 
465 /* Test acpi_device_status() */
dm_test_acpi_device_status(struct unit_test_state * uts)466 static int dm_test_acpi_device_status(struct unit_test_state *uts)
467 {
468 	struct udevice *dev;
469 
470 	ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
471 	ut_asserteq(ACPI_DSTATUS_ALL_ON, acpi_device_status(dev));
472 
473 	return 0;
474 }
475 DM_TEST(dm_test_acpi_device_status, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
476 
477 /* Test acpi_fill_ssdt() */
dm_test_acpi_fill_ssdt(struct unit_test_state * uts)478 static int dm_test_acpi_fill_ssdt(struct unit_test_state *uts)
479 {
480 	struct acpi_ctx ctx;
481 	u8 *buf;
482 
483 	buf = malloc(BUF_SIZE);
484 	ut_assertnonnull(buf);
485 
486 	acpi_reset_items();
487 	ctx.current = buf;
488 	buf[4] = 'z';	/* sentinel */
489 	ut_assertok(acpi_fill_ssdt(&ctx));
490 
491 	/*
492 	 * These values come from acpi-test2's acpi-ssdt-test-data property.
493 	 * This device comes first because of u-boot,acpi-ssdt-order
494 	 */
495 	ut_asserteq('c', buf[0]);
496 	ut_asserteq('d', buf[1]);
497 
498 	/* These values come from acpi-test's acpi-ssdt-test-data property */
499 	ut_asserteq('a', buf[2]);
500 	ut_asserteq('b', buf[3]);
501 
502 	ut_asserteq('z', buf[4]);
503 
504 	return 0;
505 }
506 DM_TEST(dm_test_acpi_fill_ssdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
507 
508 /* Test acpi_inject_dsdt() */
dm_test_acpi_inject_dsdt(struct unit_test_state * uts)509 static int dm_test_acpi_inject_dsdt(struct unit_test_state *uts)
510 {
511 	struct acpi_ctx ctx;
512 	u8 *buf;
513 
514 	buf = malloc(BUF_SIZE);
515 	ut_assertnonnull(buf);
516 
517 	acpi_reset_items();
518 	ctx.current = buf;
519 	buf[4] = 'z';	/* sentinel */
520 	ut_assertok(acpi_inject_dsdt(&ctx));
521 
522 	/*
523 	 * These values come from acpi-test's acpi-dsdt-test-data property.
524 	 * There is no u-boot,acpi-dsdt-order so device-tree order is used.
525 	 */
526 	ut_asserteq('h', buf[0]);
527 	ut_asserteq('i', buf[1]);
528 
529 	/* These values come from acpi-test's acpi-dsdt-test-data property */
530 	ut_asserteq('j', buf[2]);
531 	ut_asserteq('k', buf[3]);
532 
533 	ut_asserteq('z', buf[4]);
534 
535 	return 0;
536 }
537 DM_TEST(dm_test_acpi_inject_dsdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
538 
539 /* Test 'acpi items' command */
dm_test_acpi_cmd_items(struct unit_test_state * uts)540 static int dm_test_acpi_cmd_items(struct unit_test_state *uts)
541 {
542 	struct acpi_ctx ctx;
543 	void *buf;
544 
545 	buf = malloc(BUF_SIZE);
546 	ut_assertnonnull(buf);
547 
548 	acpi_reset_items();
549 	ctx.current = buf;
550 	ut_assertok(acpi_fill_ssdt(&ctx));
551 	console_record_reset();
552 	run_command("acpi items", 0);
553 	ut_assert_nextline("dev 'acpi-test', type 1, size 2");
554 	ut_assert_nextline("dev 'acpi-test2', type 1, size 2");
555 	ut_assert_console_end();
556 
557 	acpi_reset_items();
558 	ctx.current = buf;
559 	ut_assertok(acpi_inject_dsdt(&ctx));
560 	console_record_reset();
561 	run_command("acpi items", 0);
562 	ut_assert_nextline("dev 'acpi-test', type 2, size 2");
563 	ut_assert_nextline("dev 'acpi-test2', type 2, size 2");
564 	ut_assert_console_end();
565 
566 	console_record_reset();
567 	run_command("acpi items -d", 0);
568 	ut_assert_nextline("dev 'acpi-test', type 2, size 2");
569 	ut_assert_nextlines_are_dump(2);
570 	ut_assert_nextline("%s", "");
571 	ut_assert_nextline("dev 'acpi-test2', type 2, size 2");
572 	ut_assert_nextlines_are_dump(2);
573 	ut_assert_nextline("%s", "");
574 	ut_assert_console_end();
575 
576 	return 0;
577 }
578 DM_TEST(dm_test_acpi_cmd_items, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
579