private static void LoadDeviceInfo(AcpiNamespace acpiNamespace,
AcpiObject.IOperationRegionAccessor operationRegionAccessor)
{
AmlInterpreter interpreter = new AmlInterpreter(acpiNamespace, operationRegionAccessor);
foreach (AcpiNamespace.Node crsNode in acpiNamespace.GetAllNodes())
{
if (crsNode.Name != "_CRS")
{
continue;
}
Console.Write("Loading resource descriptors for ACPI device ");
Console.WriteLine(crsNode.Path.RemoveSegment().ToString());
AcpiNamespace.Node hidNode =
acpiNamespace.LookupNode(crsNode.Path.RemoveSegmentAbsolute().AddSegmentAbsolute("_HID"));
if (hidNode == null)
{
throw new Exception("Found device with _CRS property but no matching _HID property");
}
AcpiObject.AcpiObject hidObject = hidNode.Value;
if (hidObject is AcpiObject.BytecodeMethod)
{
AmlInterpreterThread thread =
interpreter.InvokeMethodOnNewThread(null, hidNode.Path, new AcpiObject.AcpiObject[] { });
interpreter.Run();
hidObject = thread.ExitValue;
}
string deviceId = HidObjectToDeviceId(hidObject);
AcpiObject.AcpiObject crsObject = crsNode.Value;
if (crsObject is AcpiObject.BytecodeMethod)
{
AmlInterpreterThread thread =
interpreter.InvokeMethodOnNewThread(null, crsNode.Path, new AcpiObject.AcpiObject[] { });
interpreter.Run();
crsObject = thread.ExitValue;
}
if (crsObject is AcpiObject.Buffer)
{
byte[] crsBuffer = crsObject.GetAsBuffer().Contents;
ResourceDescriptor[] resourceDescriptors = ResourceDescriptorParser.Parse(crsBuffer);
Console.WriteLine("Loaded resource descriptor for device " + deviceId);
}
else
{
Console.WriteLine("No resource descriptor for device " + deviceId);
}
}
}
private static string HidObjectToDeviceId(AcpiObject.AcpiObject obj)
{
AcpiObject.AcpiObjectType type =
(AcpiObject.AcpiObjectType)((AcpiObject.Integer)(obj.ObjectType())).Value;
string hid;
if (obj is AcpiObject.Integer)
{
// Swap byte order so that all fields are contiguous
ulong eisaId = ByteOrderSwap((uint)(((AcpiObject.Integer)obj).Value));
hid = String.Format("{0}{1}{2}{3:X}{4:X}{5:X}{6:X}",
(char)(((eisaId >> 26) & 0x1F) + '@'),
(char)(((eisaId >> 21) & 0x1F) + '@'),
(char)(((eisaId >> 16) & 0x1F) + '@'),
(eisaId >> 12) & 0xF,
(eisaId >> 8) & 0xF,
(eisaId >> 4) & 0xF,
(eisaId >> 0) & 0xF);
}
else if (obj is AcpiObject.String)
{
hid = ((AcpiObject.String)obj).Value;
}
else
{
throw new ArgumentException("_HID object was not an integer or string as expected");
}
if (hid.StartsWith("PNP"))
{
return("/pnp/" + hid);
}
else
{
return("/acpi/" + hid);
}
}
private static void PrintResult(AcpiObject.AcpiObject result)
{
Console.WriteLine(result.ToString());
}
