ACPI!AMLIAsyncEvalObject函数里对象数据如何传递给ACPI!AsyncCallBack--重要

ACPI!AMLIAsyncEvalObject函数里对象数据如何传递给ACPI!AsyncCallBack--重要

1: kd> kc
 #
00 ACPI!ACPIGetWorkerForInteger
01 ACPI!AsyncCallBack
02 ACPI!RunContext
03 ACPI!DispatchCtxtQueue
04 ACPI!StartTimeSlicePassive
05 ACPI!ACPIWorker
06 nt!PspSystemThreadStartup
07 nt!KiThreadStartup
1: kd> dv
     AcpiObject = 0x899b00f0
         Status = 0n0
         Result = 0x899050cc
        Context = 0x899050a0
       freeData = 0x00 ''

1: kd> dt ACPI_GET_REQUEST 0x899050a0
   +0x000 Flags            : 0x48040402        #define GET_CONVERT_TO_ADDRESS          0x00000400
   +0x000 UFlags           : __unnamed
   +0x004 ObjectID         : 0x5244415f
   +0x008 ListEntry        : _LIST_ENTRY [ 0xf743b940 - 0x899c6328 ]
   +0x010 DeviceExtension  : (null)
   +0x014 AcpiObject       : 0x899affac _NSObj
   +0x018 CallBackRoutine  : 0xf740ceea     void  ACPI!GetPciAddressWorker+0
   +0x01c CallBackContext  : 0x899bf408 Void
   +0x020 Buffer           : 0x899bf420  -> (null)
   +0x024 BufferSize       : (null)
   +0x028 Status           : 0n0
   +0x02c ResultData       : _ObjData

1: kd> dx -r1 ((ACPI!_ObjData *)0x899050cc)
((ACPI!_ObjData *)0x899050cc)                 : 0x899050cc [Type: _ObjData *]
    [+0x000] dwfData          : 0x0 [Type: unsigned short]
    [+0x002] dwDataType       : 0x1 [Type: unsigned short]
    [+0x004] dwRefCount       : 0x0 [Type: unsigned long]
    [+0x004] pdataBase        : 0x0 [Type: _ObjData *]
    [+0x008] dwDataValue      : 0x0 [Type: unsigned long]
    [+0x008] uipDataValue     : 0x0 [Type: unsigned long]
    [+0x008] pnsAlias         : 0x0 [Type: _NSObj *]
    [+0x008] pdataAlias       : 0x0 [Type: _ObjData *]
    [+0x008] powner           : 0x0 [Type: void *]
    [+0x00c] dwDataLen        : 0x0 [Type: unsigned long]
    [+0x010] pbDataBuff       : 0x0 [Type: unsigned char *]

    //
    // Are we doing some kind of type conversion? Note that these routines may
    // choose to override an incoming failure...
    //
    if (request->Flags & GET_CONVERT_TO_ADDRESS) {

        status = ACPIGetConvertToAddress(
            request->DeviceExtension,