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 <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
  48 /**
  49  * setup_ctx_and_base_tables() - Set up context along with RSDP, RSDT and XSDT
  50  *
  51  * Set up the context with the given start position. Some basic tables are
  52  * always needed, so set them up as well.
  53  *
  54  * @ctx: Context to set up
  55  */
  56 static int setup_ctx_and_base_tables(struct unit_test_state *uts,
  57                                      struct acpi_ctx *ctx, ulong start)
  58 {
  59         struct acpi_writer *entry = ACPI_WRITER_GET(0base);
  60
  61         acpi_setup_ctx(ctx, start);
  62
  63         ctx->tab_start = ctx->current;
  64         ut_assertok(acpi_write_one(ctx, entry));
  65
  66         return 0;
  67 }
  68
  69 static int testacpi_write_tables(const struct udevice *dev,
  70                                  struct acpi_ctx *ctx)
  71 {
  72         struct acpi_dmar *dmar;
  73         int ret;
  74
  75         dmar = (struct acpi_dmar *)ctx->current;
  76         acpi_create_dmar(dmar, DMAR_INTR_REMAP);
  77         ctx->current += sizeof(struct acpi_dmar);
  78         ret = acpi_add_table(ctx, dmar);
  79         if (ret)
  80                 return log_msg_ret("add", ret);
  81
  82         return 0;
  83 }
  84
  85 static int testacpi_get_name(const struct udevice *dev, char *out_name)
  86 {
  87         struct testacpi_plat *plat = dev_get_plat(dev);
  88
  89         if (plat->return_error)
  90                 return -EINVAL;
  91         if (plat->no_name) {
  92                 *out_name = '\0';
  93                 return 0;
  94         }
  95         if (device_get_uclass_id(dev->parent) == UCLASS_TEST_ACPI)
  96                 return acpi_copy_name(out_name, ACPI_TEST_CHILD_NAME);
  97         else
  98                 return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME);
  99 }
 100
 101 static int testacpi_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx)
 102 {
 103         const char *data;
 104
 105         data = dev_read_string(dev, "acpi-ssdt-test-data");
 106         if (data) {
 107                 while (*data)
 108                         acpigen_emit_byte(ctx, *data++);
 109         }
 110
 111         return 0;
 112 }
 113
 114 static int testacpi_inject_dsdt(const struct udevice *dev, struct acpi_ctx *ctx)
 115 {
 116         const char *data;
 117
 118         data = dev_read_string(dev, "acpi-dsdt-test-data");
 119         if (data) {
 120                 while (*data)
 121                         acpigen_emit_byte(ctx, *data++);
 122         }
 123
 124         return 0;
 125 }
 126
 127 struct acpi_ops testacpi_ops = {
 128         .get_name       = testacpi_get_name,
 129         .write_tables   = testacpi_write_tables,
 130         .fill_ssdt      = testacpi_fill_ssdt,
 131         .inject_dsdt    = testacpi_inject_dsdt,
 132 };
 133
 134 static const struct udevice_id testacpi_ids[] = {
 135         { .compatible = "denx,u-boot-acpi-test" },
 136         { }
 137 };
 138
 139 U_BOOT_DRIVER(testacpi_drv) = {
 140         .name   = "testacpi_drv",
 141         .of_match       = testacpi_ids,
 142         .id     = UCLASS_TEST_ACPI,
 143         .bind   = dm_scan_fdt_dev,
 144         .plat_auto      = sizeof(struct testacpi_plat),
 145         ACPI_OPS_PTR(&testacpi_ops)
 146 };
 147
 148 UCLASS_DRIVER(testacpi) = {
 149         .name           = "testacpi",
 150         .id             = UCLASS_TEST_ACPI,
 151 };
 152
 153 /* Test ACPI get_name() */
 154 static int dm_test_acpi_get_name(struct unit_test_state *uts)
 155 {
 156         char name[ACPI_NAME_MAX];
 157         struct udevice *dev, *dev2, *i2c, *spi, *timer, *sound;
 158         struct udevice *pci, *root;
 159
 160         /* Test getting the name from the driver */
 161         ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
 162         ut_assertok(acpi_get_name(dev, name));
 163         ut_asserteq_str(ACPI_TEST_DEV_NAME, name);
 164
 165         /* Test getting the name from the device tree */
 166         ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
 167                                               &dev2));
 168         ut_assertok(acpi_get_name(dev2, name));
 169         ut_asserteq_str("GHIJ", name);
 170
 171         /* Test getting the name from acpi_device_get_name() */
 172         ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c));
 173         ut_assertok(acpi_get_name(i2c, name));
 174         ut_asserteq_str("I2C0", name);
 175
 176         ut_assertok(uclass_first_device_err(UCLASS_SPI, &spi));
 177         ut_assertok(acpi_get_name(spi, name));
 178         ut_asserteq_str("SPI0", name);
 179
 180         /* ACPI doesn't know about the timer */
 181         ut_assertok(uclass_first_device_err(UCLASS_TIMER, &timer));
 182         ut_asserteq(-ENOENT, acpi_get_name(timer, name));
 183
 184         /* May as well test the rest of the cases */
 185         ut_assertok(uclass_first_device_err(UCLASS_SOUND, &sound));
 186         ut_assertok(acpi_get_name(sound, name));
 187         ut_asserteq_str("HDAS", name);
 188
 189         ut_assertok(uclass_first_device_err(UCLASS_PCI, &pci));
 190         ut_assertok(acpi_get_name(pci, name));
 191         ut_asserteq_str("PCI0", name);
 192
 193         ut_assertok(uclass_first_device_err(UCLASS_ROOT, &root));
 194         ut_assertok(acpi_get_name(root, name));
 195         ut_asserteq_str("\\_SB", name);
 196
 197         /* Note that we don't have tests for acpi_name_from_id() */
 198
 199         return 0;
 200 }
 201 DM_TEST(dm_test_acpi_get_name, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 202
 203 /* Test acpi_get_table_revision() */
 204 static int dm_test_acpi_get_table_revision(struct unit_test_state *uts)
 205 {
 206         ut_asserteq(1, acpi_get_table_revision(ACPITAB_MCFG));
 207         ut_asserteq(2, acpi_get_table_revision(ACPITAB_RSDP));
 208         ut_asserteq(4, acpi_get_table_revision(ACPITAB_TPM2));
 209         ut_asserteq(-EINVAL, acpi_get_table_revision(ACPITAB_COUNT));
 210
 211         return 0;
 212 }
 213 DM_TEST(dm_test_acpi_get_table_revision,
 214         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 215
 216 /* Test acpi_create_dmar() */
 217 static int dm_test_acpi_create_dmar(struct unit_test_state *uts)
 218 {
 219         struct acpi_dmar dmar;
 220         struct udevice *cpu;
 221
 222         ut_assertok(uclass_first_device_err(UCLASS_CPU, &cpu));
 223         ut_assertnonnull(cpu);
 224         ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP));
 225         ut_asserteq(DMAR_INTR_REMAP, dmar.flags);
 226         ut_asserteq(32 - 1, dmar.host_address_width);
 227
 228         return 0;
 229 }
 230 DM_TEST(dm_test_acpi_create_dmar, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 231
 232 /* Test acpi_fill_header() */
 233 static int dm_test_acpi_fill_header(struct unit_test_state *uts)
 234 {
 235         struct acpi_table_header hdr;
 236
 237         /* Make sure these 5 fields are not changed */
 238         hdr.length = 0x11;
 239         hdr.revision = 0x22;
 240         hdr.checksum = 0x33;
 241         hdr.aslc_revision = 0x44;
 242         acpi_fill_header(&hdr, "ABCD");
 243
 244         ut_asserteq_mem("ABCD", hdr.signature, sizeof(hdr.signature));
 245         ut_asserteq(0x11, hdr.length);
 246         ut_asserteq(0x22, hdr.revision);
 247         ut_asserteq(0x33, hdr.checksum);
 248         ut_asserteq_mem(OEM_ID, hdr.oem_id, sizeof(hdr.oem_id));
 249         ut_asserteq_mem(OEM_TABLE_ID, hdr.oem_table_id,
 250                         sizeof(hdr.oem_table_id));
 251         ut_asserteq(OEM_REVISION, hdr.oem_revision);
 252         ut_asserteq_mem(ASLC_ID, hdr.aslc_id, sizeof(hdr.aslc_id));
 253         ut_asserteq(0x44, hdr.aslc_revision);
 254
 255         return 0;
 256 }
 257 DM_TEST(dm_test_acpi_fill_header, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 258
 259 /* Test ACPI write_tables() */
 260 static int dm_test_acpi_write_tables(struct unit_test_state *uts)
 261 {
 262         struct acpi_dmar *dmar;
 263         struct acpi_ctx ctx;
 264         ulong addr;
 265         void *buf;
 266         int i;
 267
 268         buf = malloc(BUF_SIZE);
 269         ut_assertnonnull(buf);
 270         addr = map_to_sysmem(buf);
 271
 272         ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr));
 273         dmar = ctx.current;
 274         ut_assertok(acpi_write_dev_tables(&ctx));
 275
 276         /*
 277          * We should have three dmar tables, one for each
 278          * "denx,u-boot-acpi-test" device
 279          */
 280         ut_asserteq_ptr(dmar + 3, ctx.current);
 281         ut_asserteq(DMAR_INTR_REMAP, dmar->flags);
 282         ut_asserteq(32 - 1, dmar->host_address_width);
 283
 284         ut_asserteq(DMAR_INTR_REMAP, dmar[1].flags);
 285         ut_asserteq(32 - 1, dmar[1].host_address_width);
 286
 287         ut_asserteq(DMAR_INTR_REMAP, dmar[2].flags);
 288         ut_asserteq(32 - 1, dmar[2].host_address_width);
 289
 290         /* Check that the pointers were added correctly */
 291         for (i = 0; i < 3; i++) {
 292                 ut_asserteq(map_to_sysmem(dmar + i), ctx.rsdt->entry[i]);
 293                 ut_asserteq(map_to_sysmem(dmar + i), ctx.xsdt->entry[i]);
 294         }
 295         ut_asserteq(0, ctx.rsdt->entry[3]);
 296         ut_asserteq(0, ctx.xsdt->entry[3]);
 297
 298         return 0;
 299 }
 300 DM_TEST(dm_test_acpi_write_tables, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 301
 302 /* Test basic ACPI functions */
 303 static int dm_test_acpi_basic(struct unit_test_state *uts)
 304 {
 305         struct acpi_ctx ctx;
 306
 307         /* Check align works */
 308         ctx.current = (void *)5;
 309         acpi_align(&ctx);
 310         ut_asserteq_ptr((void *)16, ctx.current);
 311
 312         /* Check that align does nothing if already aligned */
 313         acpi_align(&ctx);
 314         ut_asserteq_ptr((void *)16, ctx.current);
 315         acpi_align64(&ctx);
 316         ut_asserteq_ptr((void *)64, ctx.current);
 317         acpi_align64(&ctx);
 318         ut_asserteq_ptr((void *)64, ctx.current);
 319
 320         /* Check incrementing */
 321         acpi_inc(&ctx, 3);
 322         ut_asserteq_ptr((void *)67, ctx.current);
 323         acpi_inc_align(&ctx, 3);
 324         ut_asserteq_ptr((void *)80, ctx.current);
 325
 326         return 0;
 327 }
 328 DM_TEST(dm_test_acpi_basic, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 329
 330 /* Test setup_ctx_and_base_tables */
 331 static int dm_test_setup_ctx_and_base_tables(struct unit_test_state *uts)
 332 {
 333         struct acpi_rsdp *rsdp;
 334         struct acpi_rsdt *rsdt;
 335         struct acpi_xsdt *xsdt;
 336         struct acpi_ctx ctx;
 337         void *buf, *end;
 338         ulong addr;
 339
 340         /*
 341          * Use an unaligned address deliberately, by allocating an aligned
 342          * address and then adding 4 to it
 343          */
 344         buf = memalign(64, BUF_SIZE);
 345         ut_assertnonnull(buf);
 346         addr = map_to_sysmem(buf);
 347         ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr + 4));
 348         ut_asserteq(map_to_sysmem(PTR_ALIGN(buf + 4, 16)), gd_acpi_start());
 349
 350         rsdp = buf + 16;
 351         ut_asserteq_ptr(rsdp, ctx.rsdp);
 352         ut_asserteq_mem(RSDP_SIG, rsdp->signature, sizeof(rsdp->signature));
 353         ut_asserteq(sizeof(*rsdp), rsdp->length);
 354         ut_assertok(table_compute_checksum(rsdp, 20));
 355         ut_assertok(table_compute_checksum(rsdp, sizeof(*rsdp)));
 356
 357         rsdt = PTR_ALIGN((void *)rsdp + sizeof(*rsdp), 16);
 358         ut_asserteq_ptr(rsdt, ctx.rsdt);
 359         ut_asserteq_mem("RSDT", rsdt->header.signature, ACPI_NAME_LEN);
 360         ut_asserteq(sizeof(*rsdt), rsdt->header.length);
 361         ut_assertok(table_compute_checksum(rsdt, sizeof(*rsdt)));
 362
 363         xsdt = PTR_ALIGN((void *)rsdt + sizeof(*rsdt), 16);
 364         ut_asserteq_ptr(xsdt, ctx.xsdt);
 365         ut_asserteq_mem("XSDT", xsdt->header.signature, ACPI_NAME_LEN);
 366         ut_asserteq(sizeof(*xsdt), xsdt->header.length);
 367         ut_assertok(table_compute_checksum(xsdt, sizeof(*xsdt)));
 368
 369         end = PTR_ALIGN((void *)xsdt + sizeof(*xsdt), 64);
 370         ut_asserteq_ptr(end, ctx.current);
 371
 372         ut_asserteq(map_to_sysmem(rsdt), rsdp->rsdt_address);
 373         ut_asserteq(map_to_sysmem(xsdt), rsdp->xsdt_address);
 374
 375         return 0;
 376 }
 377 DM_TEST(dm_test_setup_ctx_and_base_tables,
 378         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 379
 380 /* Test 'acpi list' command */
 381 static int dm_test_acpi_cmd_list(struct unit_test_state *uts)
 382 {
 383         struct acpi_ctx ctx;
 384         ulong addr;
 385         void *buf;
 386
 387         buf = memalign(16, BUF_SIZE);
 388         ut_assertnonnull(buf);
 389         addr = map_to_sysmem(buf);
 390         ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr));
 391
 392         ut_assertok(acpi_write_dev_tables(&ctx));
 393
 394         console_record_reset();
 395         run_command("acpi list", 0);
 396         ut_assert_nextline("Name      Base   Size  Detail");
 397         ut_assert_nextline("----  --------  -----  ------");
 398         ut_assert_nextline("RSDP  %08lx  %5zx  v02 U-BOOT", addr,
 399                            sizeof(struct acpi_rsdp));
 400         addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16);
 401         ut_assert_nextline("RSDT  %08lx  %5zx  v01 U-BOOT U-BOOTBL %x INTL 0",
 402                            addr, sizeof(struct acpi_table_header) +
 403                            3 * sizeof(u32), OEM_REVISION);
 404         addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16);
 405         ut_assert_nextline("XSDT  %08lx  %5zx  v01 U-BOOT U-BOOTBL %x INTL 0",
 406                            addr, sizeof(struct acpi_table_header) +
 407                            3 * sizeof(u64), OEM_REVISION);
 408         addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64);
 409         ut_assert_nextline("DMAR  %08lx  %5zx  v01 U-BOOT U-BOOTBL %x INTL 0",
 410                            addr, sizeof(struct acpi_dmar), OEM_REVISION);
 411         addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
 412         ut_assert_nextline("DMAR  %08lx  %5zx  v01 U-BOOT U-BOOTBL %x INTL 0",
 413                            addr, sizeof(struct acpi_dmar), OEM_REVISION);
 414         addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
 415         ut_assert_nextline("DMAR  %08lx  %5zx  v01 U-BOOT U-BOOTBL %x INTL 0",
 416                            addr, sizeof(struct acpi_dmar), OEM_REVISION);
 417         ut_assert_console_end();
 418
 419         return 0;
 420 }
 421 DM_TEST(dm_test_acpi_cmd_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 422
 423 /* Test 'acpi dump' command */
 424 static int dm_test_acpi_cmd_dump(struct unit_test_state *uts)
 425 {
 426         struct acpi_ctx ctx;
 427         ulong addr;
 428         void *buf;
 429
 430         buf = memalign(16, BUF_SIZE);
 431         ut_assertnonnull(buf);
 432         addr = map_to_sysmem(buf);
 433         ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr));
 434
 435         ut_assertok(acpi_write_dev_tables(&ctx));
 436
 437         /* First search for a non-existent table */
 438         console_record_reset();
 439         run_command("acpi dump rdst", 0);
 440         ut_assert_nextline("Table 'RDST' not found");
 441         ut_assert_console_end();
 442
 443         /* Now a real table */
 444         console_record_reset();
 445         run_command("acpi dump dmar", 0);
 446         addr = ALIGN(map_to_sysmem(ctx.xsdt) + sizeof(struct acpi_xsdt), 64);
 447         ut_assert_nextline("DMAR @ %08lx", addr);
 448         ut_assert_nextlines_are_dump(0x30);
 449         ut_assert_console_end();
 450
 451         return 0;
 452 }
 453 DM_TEST(dm_test_acpi_cmd_dump, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 454
 455 /* Test acpi_device_path() */
 456 static int dm_test_acpi_device_path(struct unit_test_state *uts)
 457 {
 458         struct testacpi_plat *plat;
 459         char buf[ACPI_PATH_MAX];
 460         struct udevice *dev, *child;
 461
 462         ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
 463         ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
 464         ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME, buf);
 465
 466         /* Test running out of space */
 467         buf[5] = '\0';
 468         ut_asserteq(-ENOSPC, acpi_device_path(dev, buf, 5));
 469         ut_asserteq('\0', buf[5]);
 470
 471         /* Test a three-component name */
 472         ut_assertok(device_first_child_err(dev, &child));
 473         ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
 474         ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME "." ACPI_TEST_CHILD_NAME,
 475                         buf);
 476
 477         /* Test handling of a device which doesn't produce a name */
 478         plat = dev_get_plat(dev);
 479         plat->no_name = true;
 480         ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
 481         ut_asserteq_str("\\_SB." ACPI_TEST_CHILD_NAME, buf);
 482
 483         /* Test handling of a device which returns an error */
 484         plat = dev_get_plat(dev);
 485         plat->return_error = true;
 486         ut_asserteq(-EINVAL, acpi_device_path(child, buf, sizeof(buf)));
 487
 488         return 0;
 489 }
 490 DM_TEST(dm_test_acpi_device_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 491
 492 /* Test acpi_device_status() */
 493 static int dm_test_acpi_device_status(struct unit_test_state *uts)
 494 {
 495         struct udevice *dev;
 496
 497         ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
 498         ut_asserteq(ACPI_DSTATUS_ALL_ON, acpi_device_status(dev));
 499
 500         return 0;
 501 }
 502 DM_TEST(dm_test_acpi_device_status, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 503
 504 /* Test acpi_fill_ssdt() */
 505 static int dm_test_acpi_fill_ssdt(struct unit_test_state *uts)
 506 {
 507         struct acpi_ctx ctx;
 508         u8 *buf;
 509
 510         buf = malloc(BUF_SIZE);
 511         ut_assertnonnull(buf);
 512
 513         acpi_reset_items();
 514         ctx.current = buf;
 515         buf[4] = 'z';   /* sentinel */
 516         ut_assertok(acpi_fill_ssdt(&ctx));
 517
 518         /*
 519          * These values come from acpi-test2's acpi-ssdt-test-data property.
 520          * This device comes first because of u-boot,acpi-ssdt-order
 521          */
 522         ut_asserteq('c', buf[0]);
 523         ut_asserteq('d', buf[1]);
 524
 525         /* These values come from acpi-test's acpi-ssdt-test-data property */
 526         ut_asserteq('a', buf[2]);
 527         ut_asserteq('b', buf[3]);
 528
 529         ut_asserteq('z', buf[4]);
 530
 531         return 0;
 532 }
 533 DM_TEST(dm_test_acpi_fill_ssdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 534
 535 /* Test acpi_inject_dsdt() */
 536 static int dm_test_acpi_inject_dsdt(struct unit_test_state *uts)
 537 {
 538         struct acpi_ctx ctx;
 539         u8 *buf;
 540
 541         buf = malloc(BUF_SIZE);
 542         ut_assertnonnull(buf);
 543
 544         acpi_reset_items();
 545         ctx.current = buf;
 546         buf[4] = 'z';   /* sentinel */
 547         ut_assertok(acpi_inject_dsdt(&ctx));
 548
 549         /*
 550          * These values come from acpi-test's acpi-dsdt-test-data property.
 551          * There is no u-boot,acpi-dsdt-order so device-tree order is used.
 552          */
 553         ut_asserteq('h', buf[0]);
 554         ut_asserteq('i', buf[1]);
 555
 556         /* These values come from acpi-test's acpi-dsdt-test-data property */
 557         ut_asserteq('j', buf[2]);
 558         ut_asserteq('k', buf[3]);
 559
 560         ut_asserteq('z', buf[4]);
 561
 562         return 0;
 563 }
 564 DM_TEST(dm_test_acpi_inject_dsdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 565
 566 /* Test 'acpi items' command */
 567 static int dm_test_acpi_cmd_items(struct unit_test_state *uts)
 568 {
 569         struct acpi_ctx ctx;
 570         ulong addr;
 571         void *buf;
 572
 573         buf = malloc(BUF_SIZE);
 574         ut_assertnonnull(buf);
 575         addr = map_to_sysmem(buf);
 576
 577         acpi_reset_items();
 578         ctx.current = buf;
 579         ut_assertok(acpi_fill_ssdt(&ctx));
 580         console_record_reset();
 581         run_command("acpi items", 0);
 582         ut_assert_nextline("Seq  Type       Base   Size  Device/Writer");
 583         ut_assert_nextline("---  -----  --------   ----  -------------");
 584         ut_assert_nextline("  0  ssdt   %8lx      2  acpi-test", addr);
 585         ut_assert_nextline("  1  ssdt   %8lx      2  acpi-test2", addr + 2);
 586         ut_assert_console_end();
 587
 588         acpi_reset_items();
 589         ctx.current = buf;
 590         ut_assertok(acpi_inject_dsdt(&ctx));
 591         console_record_reset();
 592         run_command("acpi items", 0);
 593         ut_assert_nextlinen("Seq");
 594         ut_assert_nextlinen("---");
 595         ut_assert_nextline("  0  dsdt   %8lx      2  acpi-test", addr);
 596         ut_assert_nextline("  1  dsdt   %8lx      2  acpi-test2", addr + 2);
 597         ut_assert_console_end();
 598
 599         console_record_reset();
 600         run_command("acpi items -d", 0);
 601         ut_assert_nextlinen("Seq");
 602         ut_assert_nextlinen("---");
 603         ut_assert_nextline("  0  dsdt   %8lx      2  acpi-test", addr);
 604         ut_assert_nextlines_are_dump(2);
 605         ut_assert_nextline("%s", "");
 606         ut_assert_nextline("  1  dsdt   %8lx      2  acpi-test2", addr + 2);
 607         ut_assert_nextlines_are_dump(2);
 608         ut_assert_nextline("%s", "");
 609         ut_assert_console_end();
 610
 611         return 0;
 612 }
 613 DM_TEST(dm_test_acpi_cmd_items, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);