static void test_acpi_rsdt_table(test_data *data)
{
AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table;
uint32_t addr = le32_to_cpu(data->rsdp_table.rsdt_physical_address);
uint32_t *tables;
int tables_nr;
uint8_t checksum;
uint32_t rsdt_table_length;
/* read the header */
ACPI_READ_TABLE_HEADER(rsdt_table, addr);
ACPI_ASSERT_CMP(rsdt_table->signature, "RSDT");
rsdt_table_length = le32_to_cpu(rsdt_table->length);
/* compute the table entries in rsdt */
tables_nr = (rsdt_table_length - sizeof(AcpiRsdtDescriptorRev1)) /
sizeof(uint32_t);
g_assert(tables_nr > 0);
/* get the addresses of the tables pointed by rsdt */
tables = g_new0(uint32_t, tables_nr);
ACPI_READ_ARRAY_PTR(tables, tables_nr, addr);
checksum = acpi_calc_checksum((uint8_t *)rsdt_table, rsdt_table_length) +
acpi_calc_checksum((uint8_t *)tables,
tables_nr * sizeof(uint32_t));
g_assert(!checksum);
/* SSDT tables after FADT */
data->rsdt_tables_addr = tables;
data->rsdt_tables_nr = tables_nr;
}
static void sanitize_fadt_ptrs(test_data *data)
{
/* fixup pointers in FADT */
int i;
for (i = 0; i < data->tables->len; i++) {
AcpiSdtTable *sdt = &g_array_index(data->tables, AcpiSdtTable, i);
if (memcmp(&sdt->header.signature, "FACP", 4)) {
continue;
}
/* check original FADT checksum before sanitizing table */
g_assert(!(uint8_t)(
acpi_calc_checksum((uint8_t *)sdt, sizeof(AcpiTableHeader)) +
acpi_calc_checksum((uint8_t *)sdt->aml, sdt->aml_len)
));
/* sdt->aml field offset := spec offset - header size */
memset(sdt->aml + 0, 0, 4); /* sanitize FIRMWARE_CTRL(36) ptr */
memset(sdt->aml + 4, 0, 4); /* sanitize DSDT(40) ptr */
if (sdt->header.revision >= 3) {
memset(sdt->aml + 96, 0, 8); /* sanitize X_FIRMWARE_CTRL(132) ptr */
memset(sdt->aml + 104, 0, 8); /* sanitize X_DSDT(140) ptr */
}
/* update checksum */
sdt->header.checksum = 0;
sdt->header.checksum -=
acpi_calc_checksum((uint8_t *)sdt, sizeof(AcpiTableHeader)) +
acpi_calc_checksum((uint8_t *)sdt->aml, sdt->aml_len);
break;
}
}
static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr)
{
uint8_t checksum;
ACPI_READ_TABLE_HEADER(&sdt_table->header, addr);
sdt_table->aml_len = sdt_table->header.length - sizeof(AcpiTableHeader);
sdt_table->aml = g_malloc0(sdt_table->aml_len);
ACPI_READ_ARRAY_PTR(sdt_table->aml, sdt_table->aml_len, addr);
checksum = acpi_calc_checksum((uint8_t *)sdt_table,
sizeof(AcpiTableHeader)) +
acpi_calc_checksum((uint8_t *)sdt_table->aml,
sdt_table->aml_len);
g_assert(!checksum);
}
static void test_acpi_rsdp_table(test_data *data)
{
AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
uint32_t addr = data->rsdp_addr;
acpi_parse_rsdp_table(addr, rsdp_table);
/* rsdp checksum is not for the whole table, but for the first 20 bytes */
g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20));
}
static void test_acpi_fadt_table(test_data *data)
{
AcpiFadtDescriptorRev1 *fadt_table = &data->fadt_table;
uint32_t addr;
/* FADT table comes first */
addr = data->rsdt_tables_addr[0];
ACPI_READ_TABLE_HEADER(fadt_table, addr);
ACPI_READ_FIELD(fadt_table->firmware_ctrl, addr);
ACPI_READ_FIELD(fadt_table->dsdt, addr);
ACPI_READ_FIELD(fadt_table->model, addr);
ACPI_READ_FIELD(fadt_table->reserved1, addr);
ACPI_READ_FIELD(fadt_table->sci_int, addr);
ACPI_READ_FIELD(fadt_table->smi_cmd, addr);
ACPI_READ_FIELD(fadt_table->acpi_enable, addr);
ACPI_READ_FIELD(fadt_table->acpi_disable, addr);
ACPI_READ_FIELD(fadt_table->S4bios_req, addr);
ACPI_READ_FIELD(fadt_table->reserved2, addr);
ACPI_READ_FIELD(fadt_table->pm1a_evt_blk, addr);
ACPI_READ_FIELD(fadt_table->pm1b_evt_blk, addr);
ACPI_READ_FIELD(fadt_table->pm1a_cnt_blk, addr);
ACPI_READ_FIELD(fadt_table->pm1b_cnt_blk, addr);
ACPI_READ_FIELD(fadt_table->pm2_cnt_blk, addr);
ACPI_READ_FIELD(fadt_table->pm_tmr_blk, addr);
ACPI_READ_FIELD(fadt_table->gpe0_blk, addr);
ACPI_READ_FIELD(fadt_table->gpe1_blk, addr);
ACPI_READ_FIELD(fadt_table->pm1_evt_len, addr);
ACPI_READ_FIELD(fadt_table->pm1_cnt_len, addr);
ACPI_READ_FIELD(fadt_table->pm2_cnt_len, addr);
ACPI_READ_FIELD(fadt_table->pm_tmr_len, addr);
ACPI_READ_FIELD(fadt_table->gpe0_blk_len, addr);
ACPI_READ_FIELD(fadt_table->gpe1_blk_len, addr);
ACPI_READ_FIELD(fadt_table->gpe1_base, addr);
ACPI_READ_FIELD(fadt_table->reserved3, addr);
ACPI_READ_FIELD(fadt_table->plvl2_lat, addr);
ACPI_READ_FIELD(fadt_table->plvl3_lat, addr);
ACPI_READ_FIELD(fadt_table->flush_size, addr);
ACPI_READ_FIELD(fadt_table->flush_stride, addr);
ACPI_READ_FIELD(fadt_table->duty_offset, addr);
ACPI_READ_FIELD(fadt_table->duty_width, addr);
ACPI_READ_FIELD(fadt_table->day_alrm, addr);
ACPI_READ_FIELD(fadt_table->mon_alrm, addr);
ACPI_READ_FIELD(fadt_table->century, addr);
ACPI_READ_FIELD(fadt_table->reserved4, addr);
ACPI_READ_FIELD(fadt_table->reserved4a, addr);
ACPI_READ_FIELD(fadt_table->reserved4b, addr);
ACPI_READ_FIELD(fadt_table->flags, addr);
ACPI_ASSERT_CMP(fadt_table->signature, "FACP");
g_assert(!acpi_calc_checksum((uint8_t *)fadt_table, fadt_table->length));
}
static bool smbios_ep_table_ok(test_data *data)
{
struct smbios_21_entry_point *ep_table = &data->smbios_ep_table;
uint32_t addr = data->smbios_ep_addr;
ACPI_READ_ARRAY(ep_table->anchor_string, addr);
if (memcmp(ep_table->anchor_string, "_SM_", 4)) {
return false;
}
ACPI_READ_FIELD(ep_table->checksum, addr);
ACPI_READ_FIELD(ep_table->length, addr);
ACPI_READ_FIELD(ep_table->smbios_major_version, addr);
ACPI_READ_FIELD(ep_table->smbios_minor_version, addr);
ACPI_READ_FIELD(ep_table->max_structure_size, addr);
ACPI_READ_FIELD(ep_table->entry_point_revision, addr);
ACPI_READ_ARRAY(ep_table->formatted_area, addr);
ACPI_READ_ARRAY(ep_table->intermediate_anchor_string, addr);
if (memcmp(ep_table->intermediate_anchor_string, "_DMI_", 5)) {
return false;
}
ACPI_READ_FIELD(ep_table->intermediate_checksum, addr);
ACPI_READ_FIELD(ep_table->structure_table_length, addr);
if (ep_table->structure_table_length == 0) {
return false;
}
ACPI_READ_FIELD(ep_table->structure_table_address, addr);
ACPI_READ_FIELD(ep_table->number_of_structures, addr);
if (ep_table->number_of_structures == 0) {
return false;
}
ACPI_READ_FIELD(ep_table->smbios_bcd_revision, addr);
if (acpi_calc_checksum((uint8_t *)ep_table, sizeof *ep_table) ||
acpi_calc_checksum((uint8_t *)ep_table + 0x10,
sizeof *ep_table - 0x10)) {
return false;
}
return true;
}
