节点ISA对应的acpi!_DEVICE_EXTENSION里面的+0x10c Address是如何得到的

节点ISA对应的acpi!_DEVICE_EXTENSION里面的+0x10c Address是如何得到的

NTSTATUS
ACPIBuildProcessDevicePhaseAdrOrHid(
IN PACPI_BUILD_REQUEST BuildRequest
)
{
NTSTATUS status;
PDEVICE_EXTENSION deviceExtension = (PDEVICE_EXTENSION) BuildRequest->BuildContext;
PNSOBJ nsObject = NULL;
POBJDATA resultData = &(BuildRequest->DeviceRequest.ResultData);

//
// We need to name this node, so lets determine if there is an _HID
// or an _ADR is present
//
nsObject = ACPIAmliGetNamedChild(
deviceExtension->AcpiObject,
PACKED_HID
);
if (nsObject == NULL) {

//
// Otherwise, there had better be an _ADR present
//
nsObject = ACPIAmliGetNamedChild(
deviceExtension->AcpiObject,
PACKED_ADR
);
if (nsObject == NULL) {

//
// At this point, we have an invalid name space object ---
// this should not happen
//
KeBugCheckEx(
ACPI_BIOS_ERROR,
ACPI_REQUIRED_METHOD_NOT_PRESENT,
(ULONG_PTR) deviceExtension,
PACKED_ADR,
0
);

//
// Never get here
//
return STATUS_NO_SUCH_DEVICE;

} else {

//
// If we think there is an ADR, then the correct next stage is
// to post process the ADR
//
BuildRequest->NextWorkDone = WORK_DONE_ADR;

//
// Remember which name space object we are evaluating
//
BuildRequest->CurrentObject = nsObject;

//
// Get the Address
//
status = ACPIGetAddressAsync(
deviceExtension,
ACPIBuildCompleteMustSucceed,
BuildRequest,
(PVOID *) &(deviceExtension->Address),
NULL
);
}

+0x10c Address : 0x70000

1: kd> dt acpi!_DEVICE_EXTENSION 899c0a88
+0x000 Flags : 0x00401000`00000008
+0x000 UFlags : __unnamed
+0x008 Signature : 0x5f534750
+0x00c DebugFlags : 0
+0x010 DispatchTable : (null)
+0x014 WorkContext : WORK_QUEUE_CONTEXT
+0x014 Fdo : _FDO_DEVICE_EXTENSION
+0x014 Filter : _FILTER_DEVICE_EXTENSION
+0x014 Pdo : _PDO_DEVICE_EXTENSION
+0x058 WorkQueue : EXTENSION_WORKER
+0x058 Button : BUTTON_EXTENSION
+0x058 Thermal : THERMAL_EXTENSION
+0x058 LinkNode : LINK_NODE_EXTENSION
+0x058 Dock : DOCK_EXTENSION
+0x058 Processor : _PROCESSOR_DEVICE_EXTENSION
+0x088 DeviceState : 0 ( Stopped )
+0x08c PreviousState : 0 ( Stopped )
+0x090 PowerInfo : _ACPI_POWER_INFO
+0x10c DeviceID : 0x00070000 "--- memory read error at address 0x00070000 ---"
+0x10c Address : 0x70000
+0x110 InstanceID : (null)
+0x114 ResourceList : (null)
+0x118 PnpResourceList : (null)
+0x11c OutstandingIrpCount : 0n1
+0x120 ReferenceCount : 0n52
+0x124 HibernatePathCount : 0n0
+0x128 RemoveEvent : (null)
+0x12c AcpiObject : 0x899b2278 _NSObj
+0x130 DeviceObject : (null)
+0x134 TargetDeviceObject : (null)
+0x138 PhysicalDeviceObject : (null)
+0x13c ParentExtension : 0x899c0d58 _DEVICE_EXTENSION
+0x140 ChildDeviceList : _LIST_ENTRY [ 0x899c0a68 - 0x89979710 ]
+0x148 SiblingDeviceList : _LIST_ENTRY [ 0x89982768 - 0x899c0d38 ]
+0x150 EjectDeviceHead : _LIST_ENTRY [ 0x899c0bd8 - 0x899c0bd8 ]
+0x158 EjectDeviceList : _LIST_ENTRY [ 0x899c0be0 - 0x899c0be0 ]