PiSwCompleteCreate

VOID __stdcall PiSwCompleteCreate(_DEVICE_OBJECT *DeviceObject){
  INT64 v1; 
  UINT64 v2; 
  _ETHREAD *CurrentThread; 
  __int64 v5; 
  _DEVICE_OBJECT *v6; 
  _DWORD *DeviceExtension; 
  __int64 v8; 
  void *v9; 
  WCHAR **v10; 
  WCHAR *v11; 
  UINT64 v12; 
  int PWSTR; 
  __int64 v14; 
  __int64 v15; 
  __int64 v16; 
  __int64 *v17; 
  __int64 *i; 
  WCHAR *v19; 
  _DEVPROPERTY *v20; 
  _LIST_ENTRY *j; 
  _LIST_ENTRY *Blink; 
  _LIST_ENTRY *v23; 
  WCHAR *v24; 
  NTSTATUS DeviceInterfaceReferenceString; 
  char v26; 
  UINT64 PropertyCount; 
  _LIST_ENTRY InterfaceList; 
  __int64 v29; 
  WCHAR *SourceString; 
  _PI_SWD_INTERFACE *Interface; 
  _DEVPROPERTY *Properties; 
  WCHAR **v33; 
  UINT64 pcbLength[3]; 
  _UNICODE_STRING UnicodeString; 
  _GUID InterfaceClassGuid; 
  __int16 ReferenceStringLength[264]; 

  v2 = 0i64;
  InterfaceList.Blink = &InterfaceList;
  v33 = 0i64;
  InterfaceList.Flink = &InterfaceList;
  InterfaceClassGuid = 0i64;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v5 = 0i64;
  Properties = 0i64;
  LODWORD(PropertyCount) = 0;
  v6 = 0i64;
  LODWORD(v29) = 0;
  --CurrentThread->Tcb.KernelApcDisable;
  memset(pcbLength, 0, sizeof(pcbLength));
  Interface = 0i64;
  UnicodeString = 0i64;
  ExAcquireResourceExclusiveLite((UINT64)&PiSwLockObj, 1, v1);
  DeviceExtension = DeviceObject->DeviceExtension;
  v8 = *(_QWORD *)DeviceExtension;
  if( *(_QWORD *)DeviceExtension )
  {
    DeviceExtension[2] &= 0xFFFFFFF9;
    v9 = *(void **)(v8 + 80);
    v10 = (WCHAR **)((char *)DeviceObject->DeviceObjectExtension->DeviceNode + 40);
    v33 = v10;
    if( v9 )
    {
      ExFreePoolWithTag(v9, 0x57706E50u);
      *(_OWORD *)(v8 + 72) = 0i64;
    }
    v11 = v10[1];
    v12 = ((unsigned __int64)*(unsigned __int16 *)v10 >> 1) + 1;
    SourceString = 0i64;
    PWSTR = PnpAllocatePWSTR(v11, v12, 0x57706E50u, (PVOID *)&SourceString);
    if( PWSTR >= 0 )
    {
      RtlInitUnicodeString((PUNICODE_STRING)(v8 + 72), SourceString);
      *(_DWORD *)(v8 + 4) |= 4u;
      if( !*(_QWORD *)(v8 + 88) )
      {
        v15 = *(_QWORD *)(v8 + 144);
        if( !v15
          || !_InterlockedExchange64((volatile __int64 *)(v15 + 104), 0i64)
          || (v5 = *(_QWORD *)(v8 + 144), *(_QWORD *)(v8 + 144) = 0i64, !v5)
          || (v16 = *(_QWORD *)(v5 + 184),
              PWSTR = RtlStringCbCopyW(*(WCHAR **)(v5 + 24), *(unsigned int *)(v16 + 8), *(WCHAR **)(v8 + 80)),
              PWSTR >= 0)
          && (PWSTR = RtlStringCbLengthW(*(WCHAR **)(v5 + 24), *(unsigned int *)(v16 + 8), pcbLength), PWSTR >= 0) )
        {
          PWSTR = PnpCopyDevPropertyArray(
                    *(unsigned int *)(v8 + 176),
                    *(_QWORD *)(v8 + 168),
                    v14,
                    &PropertyCount,
                    (__int64)&Properties);
          if( PWSTR >= 0 )
          {
            v17 = (__int64 *)(v8 + 184);
            for( i = *(__int64 **)(v8 + 184); i != v17; i = (__int64 *)*i )
            {
              PWSTR = PiSwInterfaceCreate(
                        (WCHAR *)i[2],
                        (_DEVPROPERTY *)i[3],
                        *((unsigned int *)i + 8),
                        (VOID **)&Interface);
              if( PWSTR < 0 )
                goto LABEL_15;
              Blink = InterfaceList.Blink;
              if( InterfaceList.Blink->Flink != &InterfaceList )
                __fastfail(3u);
              v23 = (_LIST_ENTRY *)Interface;
              *(_QWORD *)Interface = &InterfaceList;
              v23->Blink = Blink;
              Blink->Flink = v23;
              InterfaceList.Blink = v23;
            }
            v6 = DeviceObject;
            ObfReferenceObject(DeviceObject);
          }
        }
      }
    }
  }
  else
  {
    PWSTR = -1073741811;
  }
LABEL_15:
  ExReleaseResourceLite(&PiSwLockObj);
  KeLeaveCriticalRegionThread(KeGetCurrentThread());
  v20 = Properties;
  if( PWSTR >= 0 )
  {
    if( !Properties
      || (PWSTR = PiSwPropertySet(
                    v33[1],
                    (VOID *)1,
                    (const INT64)Properties,
                    (_DEVPROPERTY *)(unsigned int)PropertyCount),
          PWSTR >= 0) )
    {
      for( j = InterfaceList.Flink; j != &InterfaceList; j = j->Flink )
      {
        PWSTR = CmGetDeviceInterfaceClassGuid(v19, (_GUID *)j[1].Flink);
        if( PWSTR < 0 )
          break;
        DeviceInterfaceReferenceString = CmGetDeviceInterfaceReferenceString(
                                           v24,
                                           (WCHAR *)j[1].Flink,
                                           (UINT64)ReferenceStringLength,
                                           (UINT64 *)0x104);
        PWSTR = DeviceInterfaceReferenceString;
        if( DeviceInterfaceReferenceString == -1073741772 )
        {
          v26 = 0;
        }
        else
        {
          if( DeviceInterfaceReferenceString < 0 )
            break;
          v26 = 1;
          RtlInitUnicodeString((PUNICODE_STRING)&pcbLength[1], (PCWSTR)ReferenceStringLength);
        }
        PWSTR = IoRegisterDeviceInterface(
                  v6,
                  &InterfaceClassGuid,
                  (_UNICODE_STRING *)((unsigned __int64)&pcbLength[1] & -(__int64)(v26 != 0)),
                  &UnicodeString);
        if( PWSTR < 0 )
          break;
        PWSTR = PiSwPropertySet(
                  (WCHAR *)j[1].Flink,
                  (VOID *)3,
                  (const INT64)j[1].Blink,
                  (_DEVPROPERTY *)LODWORD(j[2].Flink));
        if( PWSTR < 0 )
          break;
      }
    }
  }
  if( v6 )
    HalPutDmaAdapter((PADAPTER_OBJECT)v6);
  if( v20 )
    PnpFreeDevPropertyArray(PropertyCount, v20, 0x57706E50u);
  PiSwFreeInterfaceList(&InterfaceList);
  RtlFreeAnsiString(&UnicodeString);
  if( v5 )
  {
    if( PWSTR >= 0 )
      v2 = pcbLength[0] + 2;
    *(_QWORD *)(v5 + 56) = v2;
    *(_DWORD *)(v5 + 48) = PWSTR;
    IofCompleteRequest((PIRP)v5, 0);
  }
}

Referenced by: