diff options
Diffstat (limited to 'test/dm/acpi.c')
| -rw-r--r-- | test/dm/acpi.c | 758 |
1 files changed, 758 insertions, 0 deletions
diff --git a/test/dm/acpi.c b/test/dm/acpi.c new file mode 100644 index 00000000000..4db2171a4b1 --- /dev/null +++ b/test/dm/acpi.c @@ -0,0 +1,758 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Tests for ACPI table generation + * + * Copyright 2019 Google LLC + * Written by Simon Glass <sjg@chromium.org> + */ + +#include <console.h> +#include <dm.h> +#include <malloc.h> +#include <mapmem.h> +#include <tables_csum.h> +#include <version_string.h> +#include <acpi/acpigen.h> +#include <acpi/acpi_device.h> +#include <acpi/acpi_table.h> +#include <asm/global_data.h> +#include <dm/acpi.h> +#include <dm/test.h> +#include <test/ut.h> +#include "acpi.h" + +#define BUF_SIZE 4096 + +#define OEM_REVISION ((((version_num / 1000) % 10) << 28) | \ + (((version_num / 100) % 10) << 24) | \ + (((version_num / 10) % 10) << 20) | \ + ((version_num % 10) << 16) | \ + (((version_num_patch / 10) % 10) << 12) | \ + ((version_num_patch % 10) << 8) | \ + 0x01) + +/** + * struct testacpi_plat - Platform data for the test ACPI device + * + * @no_name: true to emit an empty ACPI name from testacpi_get_name() + * @return_error: true to return an error instead of a name + */ +struct testacpi_plat { + bool return_error; + bool no_name; +}; + +/** + * setup_ctx_and_base_tables() - Set up context along with RSDP, RSDT and XSDT + * + * Set up the context with the given start position. Some basic tables are + * always needed, so set them up as well. + * + * @ctx: Context to set up + */ +static int setup_ctx_and_base_tables(struct unit_test_state *uts, + struct acpi_ctx *ctx, ulong start) +{ + struct acpi_writer *entry = ACPI_WRITER_GET(0base); + + acpi_setup_ctx(ctx, start); + + ctx->tab_start = ctx->current; + ut_assertok(acpi_write_one(ctx, entry)); + + return 0; +} + +static int testacpi_write_tables(const struct udevice *dev, + struct acpi_ctx *ctx) +{ + struct acpi_dmar *dmar; + int ret; + + dmar = (struct acpi_dmar *)ctx->current; + acpi_create_dmar(dmar, DMAR_INTR_REMAP); + ctx->current += sizeof(struct acpi_dmar); + ret = acpi_add_table(ctx, dmar); + if (ret) + return log_msg_ret("add", ret); + + return 0; +} + +static int testacpi_get_name(const struct udevice *dev, char *out_name) +{ + struct testacpi_plat *plat = dev_get_plat(dev); + + if (plat->return_error) + return -EINVAL; + if (plat->no_name) { + *out_name = '\0'; + return 0; + } + if (device_get_uclass_id(dev->parent) == UCLASS_TEST_ACPI) + return acpi_copy_name(out_name, ACPI_TEST_CHILD_NAME); + else + return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME); +} + +static int testacpi_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx) +{ + const char *data; + + data = dev_read_string(dev, "acpi-ssdt-test-data"); + if (data) { + while (*data) + acpigen_emit_byte(ctx, *data++); + } + + return 0; +} + +static int testacpi_inject_dsdt(const struct udevice *dev, struct acpi_ctx *ctx) +{ + const char *data; + + data = dev_read_string(dev, "acpi-dsdt-test-data"); + if (data) { + while (*data) + acpigen_emit_byte(ctx, *data++); + } + + return 0; +} + +struct acpi_ops testacpi_ops = { + .get_name = testacpi_get_name, + .write_tables = testacpi_write_tables, + .fill_ssdt = testacpi_fill_ssdt, + .inject_dsdt = testacpi_inject_dsdt, +}; + +static const struct udevice_id testacpi_ids[] = { + { .compatible = "denx,u-boot-acpi-test" }, + { } +}; + +U_BOOT_DRIVER(testacpi_drv) = { + .name = "testacpi_drv", + .of_match = testacpi_ids, + .id = UCLASS_TEST_ACPI, + .bind = dm_scan_fdt_dev, + .plat_auto = sizeof(struct testacpi_plat), + ACPI_OPS_PTR(&testacpi_ops) +}; + +UCLASS_DRIVER(testacpi) = { + .name = "testacpi", + .id = UCLASS_TEST_ACPI, +}; + +/* Test ACPI get_name() */ +static int dm_test_acpi_get_name(struct unit_test_state *uts) +{ + char name[ACPI_NAME_MAX]; + struct udevice *dev, *dev2, *i2c, *spi, *timer, *sound; + struct udevice *pci, *root; + + /* Test getting the name from the driver */ + ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev)); + ut_assertok(acpi_get_name(dev, name)); + ut_asserteq_str(ACPI_TEST_DEV_NAME, name); + + /* Test getting the name from the device tree */ + ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test", + &dev2)); + ut_assertok(acpi_get_name(dev2, name)); + ut_asserteq_str("GHIJ", name); + + /* Test getting the name from acpi_device_get_name() */ + ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c)); + ut_assertok(acpi_get_name(i2c, name)); + ut_asserteq_str("I2C0", name); + + ut_assertok(uclass_first_device_err(UCLASS_SPI, &spi)); + ut_assertok(acpi_get_name(spi, name)); + ut_asserteq_str("SPI0", name); + + /* ACPI doesn't know about the timer */ + ut_assertok(uclass_first_device_err(UCLASS_TIMER, &timer)); + ut_asserteq(-ENOENT, acpi_get_name(timer, name)); + + /* May as well test the rest of the cases */ + ut_assertok(uclass_first_device_err(UCLASS_SOUND, &sound)); + ut_assertok(acpi_get_name(sound, name)); + ut_asserteq_str("HDAS", name); + + ut_assertok(uclass_first_device_err(UCLASS_PCI, &pci)); + ut_assertok(acpi_get_name(pci, name)); + ut_asserteq_str("PCI0", name); + + ut_assertok(uclass_first_device_err(UCLASS_ROOT, &root)); + ut_assertok(acpi_get_name(root, name)); + ut_asserteq_str("\\_SB", name); + + /* Note that we don't have tests for acpi_name_from_id() */ + + return 0; +} +DM_TEST(dm_test_acpi_get_name, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test acpi_get_table_revision() */ +static int dm_test_acpi_get_table_revision(struct unit_test_state *uts) +{ + ut_asserteq(1, acpi_get_table_revision(ACPITAB_MCFG)); + ut_asserteq(2, acpi_get_table_revision(ACPITAB_RSDP)); + ut_asserteq(4, acpi_get_table_revision(ACPITAB_TPM2)); + ut_asserteq(-EINVAL, acpi_get_table_revision(ACPITAB_COUNT)); + + return 0; +} +DM_TEST(dm_test_acpi_get_table_revision, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test acpi_create_dmar() */ +static int dm_test_acpi_create_dmar(struct unit_test_state *uts) +{ + struct acpi_dmar dmar; + struct udevice *cpu; + + ut_assertok(uclass_first_device_err(UCLASS_CPU, &cpu)); + ut_assertnonnull(cpu); + ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP)); + ut_asserteq(DMAR_INTR_REMAP, dmar.flags); + ut_asserteq((IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32) - 1, + dmar.host_address_width); + + return 0; +} +DM_TEST(dm_test_acpi_create_dmar, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test acpi_fill_header() */ +static int dm_test_acpi_fill_header(struct unit_test_state *uts) +{ + struct acpi_table_header hdr; + + /* Make sure these 5 fields are not changed */ + hdr.length = 0x11; + hdr.revision = 0x22; + hdr.checksum = 0x33; + hdr.creator_revision = 0x44; + acpi_fill_header(&hdr, "ABCD"); + + ut_asserteq_mem("ABCD", hdr.signature, sizeof(hdr.signature)); + ut_asserteq(0x11, hdr.length); + ut_asserteq(0x22, hdr.revision); + ut_asserteq(0x33, hdr.checksum); + ut_asserteq_mem(OEM_ID, hdr.oem_id, sizeof(hdr.oem_id)); + ut_asserteq_mem(OEM_TABLE_ID, hdr.oem_table_id, + sizeof(hdr.oem_table_id)); + ut_asserteq(OEM_REVISION, hdr.oem_revision); + ut_asserteq_mem(ASLC_ID, hdr.creator_id, sizeof(hdr.creator_id)); + ut_asserteq(0x44, hdr.creator_revision); + + return 0; +} +DM_TEST(dm_test_acpi_fill_header, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test ACPI write_tables() */ +static int dm_test_acpi_write_tables(struct unit_test_state *uts) +{ + struct acpi_dmar *dmar; + struct acpi_ctx ctx; + ulong addr; + void *buf; + int i; + + buf = malloc(BUF_SIZE); + ut_assertnonnull(buf); + addr = map_to_sysmem(buf); + + ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr)); + dmar = ctx.current; + ut_assertok(acpi_write_dev_tables(&ctx)); + + /* + * We should have three dmar tables, one for each + * "denx,u-boot-acpi-test" device + */ + ut_asserteq_ptr(dmar + 3, ctx.current); + ut_asserteq(DMAR_INTR_REMAP, dmar->flags); + ut_asserteq((IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32) - 1, + dmar->host_address_width); + + ut_asserteq(DMAR_INTR_REMAP, dmar[1].flags); + ut_asserteq((IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32) - 1, + dmar[1].host_address_width); + + ut_asserteq(DMAR_INTR_REMAP, dmar[2].flags); + ut_asserteq((IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32) - 1, + dmar[2].host_address_width); + + /* Check that the pointers were added correctly */ + for (i = 0; i < 3; i++) { + ut_asserteq(nomap_to_sysmem(dmar + i), ctx.rsdt->entry[i]); + ut_asserteq(nomap_to_sysmem(dmar + i), ctx.xsdt->entry[i]); + } + ut_asserteq(0, ctx.rsdt->entry[3]); + ut_asserteq(0, ctx.xsdt->entry[3]); + + return 0; +} +DM_TEST(dm_test_acpi_write_tables, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test basic ACPI functions */ +static int dm_test_acpi_basic(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + + /* Check align works */ + ctx.current = (void *)5; + acpi_align(&ctx); + ut_asserteq_ptr((void *)16, ctx.current); + + /* Check that align does nothing if already aligned */ + acpi_align(&ctx); + ut_asserteq_ptr((void *)16, ctx.current); + acpi_align64(&ctx); + ut_asserteq_ptr((void *)64, ctx.current); + acpi_align64(&ctx); + ut_asserteq_ptr((void *)64, ctx.current); + + /* Check incrementing */ + acpi_inc(&ctx, 3); + ut_asserteq_ptr((void *)67, ctx.current); + acpi_inc_align(&ctx, 3); + ut_asserteq_ptr((void *)80, ctx.current); + + return 0; +} +DM_TEST(dm_test_acpi_basic, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test setup_ctx_and_base_tables */ +static int dm_test_acpi_ctx_and_base_tables(struct unit_test_state *uts) +{ + struct acpi_rsdp *rsdp; + struct acpi_rsdt *rsdt; + struct acpi_xsdt *xsdt; + struct acpi_ctx ctx; + void *buf, *end; + ulong addr; + + /* + * Use an unaligned address deliberately, by allocating an aligned + * address and then adding 4 to it + */ + buf = memalign(64, BUF_SIZE); + ut_assertnonnull(buf); + addr = map_to_sysmem(buf); + ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr + 4)); + ut_asserteq(map_to_sysmem(PTR_ALIGN(buf + 4, 16)), gd_acpi_start()); + + rsdp = buf + 16; + ut_asserteq_ptr(rsdp, ctx.rsdp); + ut_asserteq_mem(RSDP_SIG, rsdp->signature, sizeof(rsdp->signature)); + ut_asserteq(sizeof(*rsdp), rsdp->length); + ut_assertok(table_compute_checksum(rsdp, 20)); + ut_assertok(table_compute_checksum(rsdp, sizeof(*rsdp))); + + rsdt = PTR_ALIGN((void *)rsdp + sizeof(*rsdp), 16); + ut_asserteq_ptr(rsdt, ctx.rsdt); + ut_asserteq_mem("RSDT", rsdt->header.signature, ACPI_NAME_LEN); + ut_asserteq(sizeof(*rsdt), rsdt->header.length); + ut_assertok(table_compute_checksum(rsdt, sizeof(*rsdt))); + + xsdt = PTR_ALIGN((void *)rsdt + sizeof(*rsdt), 16); + ut_asserteq_ptr(xsdt, ctx.xsdt); + ut_asserteq_mem("XSDT", xsdt->header.signature, ACPI_NAME_LEN); + ut_asserteq(sizeof(*xsdt), xsdt->header.length); + ut_assertok(table_compute_checksum(xsdt, sizeof(*xsdt))); + + end = PTR_ALIGN((void *)xsdt + sizeof(*xsdt), 64); + ut_asserteq_ptr(end, ctx.current); + + ut_asserteq(nomap_to_sysmem(rsdt), rsdp->rsdt_address); + ut_asserteq(nomap_to_sysmem(xsdt), rsdp->xsdt_address); + + return 0; +} +DM_TEST(dm_test_acpi_ctx_and_base_tables, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test 'acpi list' command */ +static int dm_test_acpi_cmd_list(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + ulong addr; + void *buf; + + buf = memalign(16, BUF_SIZE); + ut_assertnonnull(buf); + addr = map_to_sysmem(buf); + ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr)); + + ut_assertok(acpi_write_dev_tables(&ctx)); + + console_record_reset(); + run_command("acpi list", 0); + ut_assert_nextline("Name Base Size Detail"); + ut_assert_nextline("---- ---------------- ----- ----------------------------"); + ut_assert_nextline("RSDP %16lx %5zx v02 U-BOOT", addr, + sizeof(struct acpi_rsdp)); + addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16); + ut_assert_nextline("RSDT %16lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0", + addr, sizeof(struct acpi_table_header) + + 3 * sizeof(u32), OEM_REVISION); + addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16); + ut_assert_nextline("XSDT %16lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0", + addr, sizeof(struct acpi_table_header) + + 3 * sizeof(u64), OEM_REVISION); + addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64); + ut_assert_nextline("DMAR %16lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0", + addr, sizeof(struct acpi_dmar), OEM_REVISION); + addr = ALIGN(addr + sizeof(struct acpi_dmar), 16); + ut_assert_nextline("DMAR %16lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0", + addr, sizeof(struct acpi_dmar), OEM_REVISION); + addr = ALIGN(addr + sizeof(struct acpi_dmar), 16); + ut_assert_nextline("DMAR %16lx %5zx v01 U-BOOT U-BOOTBL %x INTL 0", + addr, sizeof(struct acpi_dmar), OEM_REVISION); + ut_assert_console_end(); + + return 0; +} +DM_TEST(dm_test_acpi_cmd_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test 'acpi dump' command */ +static int dm_test_acpi_cmd_dump(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + ulong addr; + void *buf; + + buf = memalign(16, BUF_SIZE); + ut_assertnonnull(buf); + addr = map_to_sysmem(buf); + ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr)); + + ut_assertok(acpi_write_dev_tables(&ctx)); + + /* First search for a non-existent table */ + console_record_reset(); + run_command("acpi dump rdst", 0); + ut_assert_nextline("Table 'RDST' not found"); + ut_assert_console_end(); + + /* Now a real table */ + console_record_reset(); + run_command("acpi dump dmar", 0); + addr = ALIGN(nomap_to_sysmem(ctx.xsdt) + sizeof(struct acpi_xsdt), 64); + ut_assert_nextline("DMAR @ %16lx", addr); + ut_assert_nextlines_are_dump(0x30); + ut_assert_console_end(); + + return 0; +} +DM_TEST(dm_test_acpi_cmd_dump, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test acpi_device_path() */ +static int dm_test_acpi_device_path(struct unit_test_state *uts) +{ + struct testacpi_plat *plat; + char buf[ACPI_PATH_MAX]; + struct udevice *dev, *child; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev)); + ut_assertok(acpi_device_path(dev, buf, sizeof(buf))); + ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME, buf); + + /* Test running out of space */ + buf[5] = '\0'; + ut_asserteq(-ENOSPC, acpi_device_path(dev, buf, 5)); + ut_asserteq('\0', buf[5]); + + /* Test a three-component name */ + ut_assertok(device_first_child_err(dev, &child)); + ut_assertok(acpi_device_path(child, buf, sizeof(buf))); + ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME "." ACPI_TEST_CHILD_NAME, + buf); + + /* Test handling of a device which doesn't produce a name */ + plat = dev_get_plat(dev); + plat->no_name = true; + ut_assertok(acpi_device_path(child, buf, sizeof(buf))); + ut_asserteq_str("\\_SB." ACPI_TEST_CHILD_NAME, buf); + + /* Test handling of a device which returns an error */ + plat = dev_get_plat(dev); + plat->return_error = true; + ut_asserteq(-EINVAL, acpi_device_path(child, buf, sizeof(buf))); + + return 0; +} +DM_TEST(dm_test_acpi_device_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test acpi_device_status() */ +static int dm_test_acpi_device_status(struct unit_test_state *uts) +{ + struct udevice *dev; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev)); + ut_asserteq(ACPI_DSTATUS_ALL_ON, acpi_device_status(dev)); + + return 0; +} +DM_TEST(dm_test_acpi_device_status, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test acpi_fill_ssdt() */ +static int dm_test_acpi_fill_ssdt(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + u8 *buf; + + buf = malloc(BUF_SIZE); + ut_assertnonnull(buf); + + acpi_reset_items(); + ctx.current = buf; + buf[4] = 'z'; /* sentinel */ + ut_assertok(acpi_fill_ssdt(&ctx)); + + /* + * These values come from acpi-test2's acpi-ssdt-test-data property. + * This device comes first because of u-boot,acpi-ssdt-order + */ + ut_asserteq('c', buf[0]); + ut_asserteq('d', buf[1]); + + /* These values come from acpi-test's acpi-ssdt-test-data property */ + ut_asserteq('a', buf[2]); + ut_asserteq('b', buf[3]); + + ut_asserteq('z', buf[4]); + + return 0; +} +DM_TEST(dm_test_acpi_fill_ssdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test acpi_inject_dsdt() */ +static int dm_test_acpi_inject_dsdt(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + u8 *buf; + + buf = malloc(BUF_SIZE); + ut_assertnonnull(buf); + + acpi_reset_items(); + ctx.current = buf; + buf[4] = 'z'; /* sentinel */ + ut_assertok(acpi_inject_dsdt(&ctx)); + + /* + * These values come from acpi-test's acpi-dsdt-test-data property. + * There is no u-boot,acpi-dsdt-order so device-tree order is used. + */ + ut_asserteq('h', buf[0]); + ut_asserteq('i', buf[1]); + + /* These values come from acpi-test's acpi-dsdt-test-data property */ + ut_asserteq('j', buf[2]); + ut_asserteq('k', buf[3]); + + ut_asserteq('z', buf[4]); + + return 0; +} +DM_TEST(dm_test_acpi_inject_dsdt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test 'acpi items' command */ +static int dm_test_acpi_cmd_items(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + ulong addr; + void *buf; + + buf = malloc(BUF_SIZE); + ut_assertnonnull(buf); + addr = map_to_sysmem(buf); + + acpi_reset_items(); + ctx.current = buf; + ut_assertok(acpi_fill_ssdt(&ctx)); + console_record_reset(); + run_command("acpi items", 0); + ut_assert_nextline("Seq Type Base Size Device/Writer"); + ut_assert_nextline("--- ----- -------- ---- -------------"); + ut_assert_nextline(" 0 ssdt %8lx 2 acpi-test", addr); + ut_assert_nextline(" 1 ssdt %8lx 2 acpi-test2", addr + 2); + ut_assert_console_end(); + + acpi_reset_items(); + ctx.current = buf; + ut_assertok(acpi_inject_dsdt(&ctx)); + console_record_reset(); + run_command("acpi items", 0); + ut_assert_nextlinen("Seq"); + ut_assert_nextlinen("---"); + ut_assert_nextline(" 0 dsdt %8lx 2 acpi-test", addr); + ut_assert_nextline(" 1 dsdt %8lx 2 acpi-test2", addr + 2); + ut_assert_console_end(); + + console_record_reset(); + run_command("acpi items -d", 0); + ut_assert_nextlinen("Seq"); + ut_assert_nextlinen("---"); + ut_assert_nextline(" 0 dsdt %8lx 2 acpi-test", addr); + ut_assert_nextlines_are_dump(2); + ut_assert_nextline("%s", ""); + ut_assert_nextline(" 1 dsdt %8lx 2 acpi-test2", addr + 2); + ut_assert_nextlines_are_dump(2); + ut_assert_nextline("%s", ""); + ut_assert_console_end(); + + return 0; +} +DM_TEST(dm_test_acpi_cmd_items, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test 'acpi set' command */ +static int dm_test_acpi_cmd_set(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + ulong addr; + void *buf; + + gd_set_acpi_start(0); + + console_record_reset(); + ut_asserteq(0, gd_acpi_start()); + ut_assertok(run_command("acpi set", 0)); + ut_assert_nextline("ACPI pointer: 0"); + + buf = memalign(16, BUF_SIZE); + ut_assertnonnull(buf); + addr = map_to_sysmem(buf); + ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr)); + + ut_assertok(acpi_write_dev_tables(&ctx)); + + ut_assertok(run_command("acpi set", 0)); + ut_assert_nextline("ACPI pointer: %lx", addr); + + ut_assertok(run_command("acpi set 0", 0)); + ut_assert_nextline("Setting ACPI pointer to 0"); + ut_asserteq(0, gd_acpi_start()); + + ut_assertok(run_commandf("acpi set %lx", addr)); + ut_assert_nextline("Setting ACPI pointer to %lx", addr); + ut_asserteq(addr, gd_acpi_start()); + + ut_assert_console_end(); + + return 0; +} +DM_TEST(dm_test_acpi_cmd_set, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/** + * dm_test_write_test_table() - create test ACPI table + * + * Create an ACPI table TSTn, where n is given by @index. + * + * @ctx: ACPI table writing context + * @index: table index + * Return: generated table + */ +static struct acpi_table_header +*dm_test_write_test_table(struct acpi_ctx *ctx, int index) +{ + struct acpi_table_header *tbl = ctx->current; + char signature[5]; + + snprintf(signature, sizeof(signature), "TST%1d", index); + memset(tbl, 0, sizeof(*tbl)); + acpi_fill_header(tbl, signature); + acpi_inc(ctx, sizeof(struct acpi_table_header)); + tbl->length = (u8 *)ctx->current - (u8 *)tbl; + tbl->checksum = table_compute_checksum(tbl, tbl->length); + acpi_add_table(ctx, tbl); + + return tbl; +} + +/* Test acpi_find_table() */ +static int dm_test_acpi_find_table(struct unit_test_state *uts) +{ + struct acpi_ctx ctx; + ulong acpi_start, addr; + void *buf; + struct acpi_table_header *table, *table1, *table2, *table3; + struct acpi_rsdp *rsdp; + ulong rsdt; + ulong xsdt; + + /* Keep reference to original ACPI tables */ + acpi_start = gd_acpi_start(); + + /* Setup new ACPI tables */ + buf = memalign(16, BUF_SIZE); + ut_assertnonnull(buf); + addr = map_to_sysmem(buf); + ut_assertok(setup_ctx_and_base_tables(uts, &ctx, addr)); + table3 = dm_test_write_test_table(&ctx, 3); + table1 = dm_test_write_test_table(&ctx, 1); + table2 = dm_test_write_test_table(&ctx, 2); + + /* Retrieve RSDP, RSDT, XSDT */ + rsdp = map_sysmem(gd_acpi_start(), 0); + ut_assertnonnull(rsdp); + rsdt = rsdp->rsdt_address; + ut_assert(rsdt); + xsdt = rsdp->xsdt_address; + ut_assert(xsdt); + + /* Find with both RSDT and XSDT */ + table = acpi_find_table("TST1"); + ut_asserteq_ptr(table1, table); + ut_asserteq_strn("TST1", table->signature); + table = acpi_find_table("TST2"); + ut_asserteq_ptr(table2, table); + ut_asserteq_strn("TST2", table->signature); + table = acpi_find_table("TST3"); + ut_asserteq_ptr(table3, table); + ut_asserteq_strn("TST3", table->signature); + + /* Find with XSDT only */ + rsdp->rsdt_address = 0; + table = acpi_find_table("TST1"); + ut_asserteq_ptr(table1, table); + table = acpi_find_table("TST2"); + ut_asserteq_ptr(table2, table); + table = acpi_find_table("TST3"); + ut_asserteq_ptr(table3, table); + rsdp->rsdt_address = rsdt; + + /* Find with RSDT only */ + rsdp->xsdt_address = 0; + table = acpi_find_table("TST1"); + ut_asserteq_ptr(table1, table); + table = acpi_find_table("TST2"); + ut_asserteq_ptr(table2, table); + table = acpi_find_table("TST3"); + ut_asserteq_ptr(table3, table); + rsdp->xsdt_address = xsdt; + + /* Restore previous ACPI tables */ + gd_set_acpi_start(acpi_start); + free(buf); + + return 0; +} +DM_TEST(dm_test_acpi_find_table, 0); + +/* Test offsets in RSDT, XSDT */ +static int dm_test_acpi_offsets(struct unit_test_state *uts) +{ + ut_asserteq(36, offsetof(struct acpi_rsdt, entry)); + ut_asserteq(36, offsetof(struct acpi_xsdt, entry)); + + return 0; +} +DM_TEST(dm_test_acpi_offsets, 0); |