/* Searches ACPI tables by signature. */
fwts_acpi_table_info *sbbr_search_acpi_tables(fwts_framework *fw, const char *signature)
{
uint32_t i;
fwts_acpi_table_info *info;
i = 0;
while (fwts_acpi_get_table(fw, i, &info) == FWTS_OK) {
if (info != NULL && strncmp(info->name, signature, sizeof(uint32_t)) == 0) {
return info;
}
i++;
}
return NULL;
}
static int acpidump_test1(fwts_framework *fw)
{
int i;
fwts_infoonly(fw);
if (fwts_iasl_init(fw) != FWTS_OK) {
fwts_aborted(fw, "Failure to initialise iasl, aborting.");
return FWTS_ERROR;
}
for (i = 0; i < ACPI_MAX_TABLES; i++) {
fwts_acpi_table_info *table;
fwts_list *output;
char *provenance;
if (fwts_acpi_get_table(fw, i, &table) != FWTS_OK)
break;
if (table == NULL)
break;
switch (table->provenance) {
case FWTS_ACPI_TABLE_FROM_FILE:
provenance = " (loaded from file)";
break;
case FWTS_ACPI_TABLE_FROM_FIXUP:
provenance = " (generated by fwts)";
break;
default:
provenance = "";
break;
}
fwts_log_info_verbatim(fw, "%s @ %lx (%zd bytes)%s",
table->name, (unsigned long)table->addr, table->length, provenance);
fwts_log_info_verbatim(fw, "----");
if (!strcmp(table->name, "RSDP")) {
/* RSDP is a special case */
acpidump_rsdp(fw, table);
} else if (table->has_aml) {
/* Disassembling the AML bloats the output, so ignore */
uint8_t *data = (uint8_t *)table->data;
fwts_acpi_table_header hdr;
fwts_acpi_table_get_header(&hdr, data);
acpidump_hdr(fw, &hdr, table->length);
fwts_log_info_verbatim(fw, "Contains AML Object Code.");
} else if (fwts_iasl_disassemble(fw, table, true, &output) != FWTS_OK) {
/* Cannot find, assume standard table header */
uint8_t *data = (uint8_t *)table->data;
fwts_acpi_table_header hdr;
fwts_acpi_table_get_header(&hdr, data);
acpidump_hdr(fw, &hdr, table->length);
acpi_dump_raw_table(fw, table);
} else {
/* Successfully disassembled, so parse */
fwts_list_link *line;
bool skip = false;
bool unknown = false;
fwts_list_foreach(line, output) {
char *text = fwts_text_list_text(line);
bool ignore = (strstr(text, "Raw Table Data:") != NULL);
/* We don't want to emit this line */
if (strstr(text, "Unknown ACPI table signature") != NULL) {
unknown = true;
ignore = true;
}
/* and we want to ignore text in comments */
if (!strncmp(text, "/*", 2))
skip = true;
if (!(ignore | skip | unknown))
fwts_log_info_verbatim(fw, "%s", fwts_text_list_text(line));
if (!strncmp(text, " */", 3))
skip = false;
}
fwts_text_list_free(output);
if (unknown)
acpi_dump_raw_table(fw, table);
}
fwts_log_nl(fw);
}
static int acpi_table_sbbr_check_test2(fwts_framework *fw)
{
int i;
bool checked = false;
bool dsdt_checked = false;
bool ssdt_checked = false;
for (i = 0; ; i++) {
fwts_acpi_table_info *info;
if (fwts_acpi_get_table(fw, i, &info) != FWTS_OK)
break;
if (info == NULL)
continue;
checked = true;
if (!strcmp(info->name, "DSDT") ||
!strcmp(info->name, "SSDT")) {
fwts_acpi_table_header *hdr;
char name[TABLE_NAME_LEN];
bool passed = false;
if (!strcmp(info->name, "DSDT")) {
dsdt_checked = true;
}
if (!strcmp(info->name, "SSDT")) {
ssdt_checked = true;
}
hdr = (fwts_acpi_table_header *)info->data;
if (acpi_table_check_field(hdr->signature, MIN_SIG)) {
snprintf(name, sizeof(name), "%4.4s", hdr->signature);
} else {
/* Table name not printable, so identify it by the address */
snprintf(name, sizeof(name), "at address 0x%" PRIx64, info->addr);
}
/*
* Tables shouldn't be short, however, they do have at
* least 4 bytes with their signature else they would not
* have been loaded by this stage.
*/
if (hdr->length < sizeof(fwts_acpi_table_header)) {
fwts_failed(fw, LOG_LEVEL_HIGH, "ACPITableHdrShort",
"ACPI Table %s is too short, only %d bytes long. Further "
"header checks will be omitted.", name, hdr->length);
continue;
}
/* Warn about empty tables */
if (hdr->length == sizeof(fwts_acpi_table_header)) {
fwts_warning(fw,
"ACPI Table %s is empty and just contains a table header. Further "
"header checks will be omitted.", name);
continue;
}
passed = acpi_table_check_field_test(fw, name, "Signature", hdr->signature, MIN_SIG) &
acpi_table_check_field_test(fw, name, "OEM ID", hdr->oem_id, OEM_ID) &
acpi_table_check_field_test(fw, name, "OEM Table ID", hdr->oem_tbl_id, OEM_TABLE_ID) &
acpi_table_check_field_test(fw, name, "OEM Creator ID", hdr->creator_id, OEM_CREATOR_ID);
if (passed)
fwts_passed(fw, "Table %s has valid signature and ID strings.", name);
}
}
if (!checked) {
fwts_aborted(fw, "Cannot find any ACPI tables.");
return FWTS_ABORTED;
}
if (!dsdt_checked)
fwts_failed(fw, LOG_LEVEL_HIGH, "acpi_table_check_test4",
"Test DSDT table is NOT implemented.");
if (!ssdt_checked)
fwts_warning(fw, "SSDT table is NOT implemented.");
return FWTS_OK;
}
static int acpi_table_check_test1(fwts_framework *fw)
{
int i;
bool checked = false;
for (i = 0; ; i++) {
fwts_acpi_table_info *info;
fwts_acpi_table_header *hdr;
char name[50];
bool passed;
if (fwts_acpi_get_table(fw, i, &info) != FWTS_OK)
break;
if (info == NULL)
continue;
checked = true;
/* RSDP and FACS are special cases, skip these */
if (!strcmp(info->name, "RSDP") ||
!strcmp(info->name, "FACS"))
continue;
hdr = (fwts_acpi_table_header *)info->data;
if (acpi_table_check_field(hdr->signature, 4)) {
snprintf(name, sizeof(name), "%4.4s", hdr->signature);
} else {
/* Table name not printable, so identify it by the address */
snprintf(name, sizeof(name), "at address 0x%" PRIx64, info->addr);
}
/*
* Tables shouldn't be short, however, they do have at
* least 4 bytes with their signature else they would not
* have been loaded by this stage.
*/
if (hdr->length < sizeof(fwts_acpi_table_header)) {
fwts_failed(fw, LOG_LEVEL_HIGH, "ACPITableHdrShort",
"ACPI Table %s is too short, only %d bytes long. Further "
"header checks will be omitted.", name, hdr->length);
continue;
}
/* Warn about empty tables */
if (hdr->length == sizeof(fwts_acpi_table_header)) {
fwts_warning(fw,
"ACPI Table %s is empty and just contains a table header. Further "
"header checks will be omitted.", name);
continue;
}
passed = acpi_table_check_field_test(fw, name, "Signature", hdr->signature, 4) &
acpi_table_check_field_test(fw, name, "OEM ID", hdr->oem_id, 6) &
acpi_table_check_field_test(fw, name, "OEM Table ID", hdr->oem_tbl_id, 8) &
acpi_table_check_field_test(fw, name, "OEM Creator ID", hdr->creator_id, 4);
if (passed)
fwts_passed(fw, "Table %s has valid signature and ID strings.", name);
}
if (!checked)
fwts_aborted(fw, "Cannot find any ACPI tables.");
return FWTS_OK;
}
