If FADT has HW_REDUCED_ACPI flag set, do not attempt to fetch
FACS as it's not provided by the board.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <
1556808723-226478-7-git-send-email-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
g_assert(compare_signature(&table, "FACP"));
/* Since DSDT/FACS isn't in RSDT, add them to ASL test list manually */
g_assert(compare_signature(&table, "FACP"));
/* Since DSDT/FACS isn't in RSDT, add them to ASL test list manually */
- acpi_fetch_table(data->qts, &table.aml, &table.aml_len,
- fadt_aml + 36 /* FIRMWARE_CTRL */, 4, "FACS", false);
- g_array_append_val(data->tables, table);
+ memcpy(&val, fadt_aml + 112 /* Flags */, 4);
+ val = le32_to_cpu(val);
+ if (!(val & 1UL << 20 /* HW_REDUCED_ACPI */)) {
+ acpi_fetch_table(data->qts, &table.aml, &table.aml_len,
+ fadt_aml + 36 /* FIRMWARE_CTRL */, 4, "FACS", false);
+ g_array_append_val(data->tables, table);
+ }
memcpy(&val, fadt_aml + dsdt_offset, 4);
val = le32_to_cpu(val);
memcpy(&val, fadt_aml + dsdt_offset, 4);
val = le32_to_cpu(val);