public static AcpiDevice[] LoadDevices()
{
OperationRegionAccessor operationRegionAccessor = new OperationRegionAccessor();
acpiNamespace = new AcpiNamespace();
reservedObjects = new ReservedObjects(acpiNamespace);
reservedObjects.CreateReservedObjects();
if (dsdt != null)
{
if (ParseAndLoadRegion(dsdt.Region, operationRegionAccessor) == AmlParser.ParseSuccess.Failure)
{
throw new Exception("AML parser failure while parsing DSDT");
}
}
// From the spec: "SSDTs are a continuation of the DSDT. Multiple SSDTs
// can be used as part of a platform description. After the DSDT is loaded
// into the ACPI Namespace, each secondary description table listed in the
// RSDT/XSDT with a unique OEM Table ID is loaded." - section 2.1, General
// ACPI Terminology
StringSet visitedOemTableIds = new StringSet();
for (int i = 0; i < rsdt.EntryCount; i++)
{
SystemTableHeader header = rsdt.GetTableHeader(i);
VerboseOut.Print(" {0:x8}\n", __arglist(header.Signature));
string oemTableId = header.OemTableId;
if (!visitedOemTableIds.Contains(oemTableId) && header.Signature == Ssdt.Signature)
{
visitedOemTableIds.Add(oemTableId);
ssdt = Ssdt.Create(header);
if (ParseAndLoadRegion(ssdt.Region, operationRegionAccessor) == AmlParser.ParseSuccess.Failure)
{
throw new Exception("AML parser failure while parsing SSDT " + oemTableId);
}
}
}
#if DUMP_ACPI_NAMESPACE
DebugStub.WriteLine("Dumping ACPI namespace tree...");
acpiNamespace.DumpTree();
#endif
return(GetDeviceInfo(operationRegionAccessor));
}
public static void Parse()
{
UIntPtr rsdpBase = GetRsdpBase();
if (rsdpBase == UIntPtr.Zero)
{
VerboseOut.Print("ACPI RSDP not found\n");
}
#if DUMP_ACPI_TABLES_UUENCODED
UuencodeDumpRegion("RSDP.dmp",
IoMemory.MapPhysicalMemory(
rsdpBase, 36u,
true, false));
#endif
Rsdp rsdp = Rsdp.Parse(rsdpBase, 36u);
VerboseOut.Print("ACPI RSDP OemId is {0:x8}\n",
__arglist(rsdp.OemId));
VerboseOut.Print("ACPI RSDP revision is {0:x8}\n",
__arglist(rsdp.Revision));
if (rsdp.Revision == 2)
{
rsdtHeader = SystemTableHeader.Create(rsdp.XsdtAddress);
#if DUMP_ACPI_TABLES_UUENCODED
UuencodeDumpRegion("XSDT.dmp",
IoMemory.MapPhysicalMemory(
rsdtHeader.Address, rsdtHeader.FullTableLength,
true, false));
#endif
rsdt = Xsdt.Create(rsdtHeader);
}
else
{
rsdtHeader = SystemTableHeader.Create(rsdp.RsdtAddress);
#if DUMP_ACPI_TABLES_UUENCODED
UuencodeDumpRegion("RSDT.dmp",
IoMemory.MapPhysicalMemory(
rsdtHeader.Address, rsdtHeader.FullTableLength,
true, false));
#endif
rsdt = Rsdt.Create(rsdtHeader);
}
VerboseOut.Print("ACPI RSDT/XSDT OemTableId is {0}\n",
__arglist(rsdtHeader.OemTableId));
VerboseOut.Print("ACPI RSDT/XSDT Revision is {0:x8}\n",
__arglist(rsdtHeader.Revision));
VerboseOut.Print("ACPI RSDT/XSDT CreatorId is {0:x8}\n",
__arglist(rsdtHeader.CreatorId));
VerboseOut.Print("ACPI RSDT/XSDT CreatorRevision is {0:x8}\n",
__arglist(rsdtHeader.CreatorRevision));
VerboseOut.Print("RSDT contains:\n");
for (int i = 0; i < rsdt.EntryCount; i++)
{
SystemTableHeader header = rsdt.GetTableHeader(i);
VerboseOut.Print(" {0:x8}\n", __arglist(header.Signature));
if (header.Signature == Fadt.Signature)
{
fadt = Fadt.Create(header);
}
else if (header.Signature == Madt.Signature)
{
madt = Madt.Create(header);
}
else if (header.Signature == Ssdt.Signature)
{
ssdt = Ssdt.Create(header);
}
// Srat, Slit
else if (header.Signature == Srat.Signature)
{
srat = Srat.Create(header);
srat.ParseSratStructure();
// srat.DumpSratOffsets();
// srat.DumpSratImportantFields();
// srat.DumpSratStructure();
}
}
SystemTableHeader dsdtHeader = null;
if (fadt != null)
{
pmTimer = PMTimer.Create(fadt);
VerboseOut.Print("PMTimer Value={0} Width={1}\n",
__arglist(pmTimer.Value, pmTimer.Width));
uint t0 = pmTimer.Value;
uint t1 = pmTimer.Value;
uint t2 = pmTimer.Value;
uint delta = (t2 >= t1) ? t2 - t1 : ((t1 | 0xff000000) - t2);
VerboseOut.Print("Read cost {0} ticks\n", __arglist(delta));
if (fadt.DSDT != 0)
{
dsdtHeader = SystemTableHeader.Create(fadt.DSDT);
dsdt = Dsdt.Create(dsdtHeader);
}
}
VerboseOut.Print("Parsing and loading AML\n");
#if DUMP_ACPI_TABLES_UUENCODED
if (dsdtHeader != null)
{
UuencodeDumpRegion("ACPI.DSDT.dmp",
IoMemory.MapPhysicalMemory(
dsdtHeader.Address, dsdtHeader.FullTableLength,
true, false));
}
for (int i = 0; i < rsdt.EntryCount; i++)
{
SystemTableHeader header = rsdt.GetTableHeader(i);
UuencodeDumpRegion("ACPI." + header.Signature + "." + header.OemTableId + ".dmp",
IoMemory.MapPhysicalMemory(
header.Address, header.FullTableLength,
true, false));
}
#endif // DUMP_ACPI_TABLES_UUENCODED
}