PiDevCfgConfigureSoftwareDevices

VOID __stdcall PiDevCfgConfigureSoftwareDevices(PVOID DeviceInstanceKeyHandle, PVOID ConfigurationKeyHandle){
  NTSTATUS v3; 
  NTSTATUS v4; 
  char *v5; 
  WCHAR *PoolWithTag; 
  unsigned int v7; 
  NTSTATUS v8; 
  __int64 v9; 
  __int64 v10; 
  __int64 v11; 
  __int64 v12; 
  NTSTATUS v13; 
  UINT64 Length; 
  UINT64 Lengtha; 
  UINT64 Lengthb; 
  UNICODE_STRING KeyName; 
  struct _OBJECT_ATTRIBUTES ObjectAttributes; 
  UINT64 ResultLength; 
  void *KeyHandle; 
  HANDLE Handle; 
  ObjectAttributes.RootDirectory = ConfigurationKeyHandle;
  Handle = 0i64;
  LODWORD(ResultLength) = 0;
  KeyHandle = 0i64;
  ObjectAttributes.ObjectName = &KeyName;
  KeyName.Buffer = L"Devices";
  *(_QWORD *)&KeyName.Length = 1048590i64;
  *(_QWORD *)&ObjectAttributes.Length = 48i64;
  *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
  *(_QWORD *)&ObjectAttributes.Attributes = 576i64;
  v3 = ZwOpenKey(&KeyHandle, 0x20019u, &ObjectAttributes);
  if( v3 != -1073741772 && v3 >= 0 )
  {
    LODWORD(Length) = 0;
    *(_DWORD *)&KeyName.Length = 1048590;
    KeyName.Buffer = L"Devices";
    v4 = IopCreateRegistryKeyEx(&Handle, DeviceInstanceKeyHandle, &KeyName, 0xF003Fui64, Length, 0i64);
    v5 = (char *)Handle;
    if( v4 >= 0 )
    {
      PoolWithTag = (WCHAR *)ExAllocatePoolWithTag(PagedPool, 0x220ui64, 0x63647050ui64);
      if( PoolWithTag )
      {
        LODWORD(Lengtha) = 544;
        v7 = 0;
        v8 = ZwEnumerateKey(KeyHandle, 0i64, KeyBasicInformation, PoolWithTag, Lengtha, &ResultLength);
        if( v8 >= 0 )
        {
          do
          {
            PoolWithTag[((unsigned __int64)*((unsigned int *)PoolWithTag + 3) >> 1) + 8] = 0;
            if( PiPnpRtlCtx && (v9 = *(_QWORD *)(PiPnpRtlCtx + 224)) != 0 )
              v10 = *(_QWORD *)(v9 + 8);
            else
              v10 = 0i64;
            RegRtlDeleteTreeInternal(v5, PoolWithTag + 8, v10, 0);
            if( PiPnpRtlCtx && (v11 = *(_QWORD *)(PiPnpRtlCtx + 224)) != 0 )
              v12 = *(_QWORD *)(v11 + 8);
            else
              v12 = 0i64;
            if( (int)RegRtlCopyTreeInternal(
                        (char *)KeyHandle,
                        PoolWithTag + 8,
                        (__int64)v5,
                        PoolWithTag + 8,
                        0,
                        v12,
                        0) < 0 )
              break;
            ++v7;
            LODWORD(Lengthb) = 544;
            v13 = ZwEnumerateKey(KeyHandle, v7, KeyBasicInformation, PoolWithTag, Lengthb, &ResultLength);
          }
          while( v13 >= 0 );
        }
        ExFreePoolWithTag(PoolWithTag, 0);
      }
    }
    if( v5 )
      ZwClose(v5);
  }
  if( KeyHandle )
    ZwClose(KeyHandle);
}

Referenced by: