test/dm/acpi.c

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