MiResizeAweBitMap

NTSTATUS __fastcall MiResizeAweBitMap(INT64 a1){
  _ETHREAD *CurrentThread; 
  _EPROCESS *Process; 
  _RTL_BITMAP_EX v4; 
  __int128 v5; 
  __int128 v6; 
  __int128 v7; 
  NTSTATUS result; 
  __int128 *v9; 
  _RTL_BITMAP_EX *p_Destination; 
  _RTL_BITMAP_EX v11; 
  _EX_CALLBACK_ROUTINE_BLOCK CallBackBlock[4]; 
  _RTL_BITMAP_EX Destination; 
  __int128 v14; 
  __int128 v15; 
  __int128 v16; 

  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  if( (*(_DWORD *)a1 & 1) != 0 )
    Process = CurrentThread->Tcb.ApcState.Process;
  else
    Process = 0i64;
  v4 = *(_RTL_BITMAP_EX *)(a1 + 16);
  *(_OWORD *)CallBackBlock = *(_OWORD *)a1;
  v5 = *(_OWORD *)(a1 + 32);
  Destination = v4;
  v6 = *(_OWORD *)(a1 + 48);
  v14 = v5;
  v7 = *(_OWORD *)(a1 + 64);
  v15 = v6;
  v16 = v7;
  result = MiCreateAweInfoBitMap(CallBackBlock);
  if( result >= 0 )
  {
    v9 = (__int128 *)(a1 + 16);
    if( Process )
    {
      LOCK_ADDRESS_SPACE(CurrentThread, Process);
      if( (Process->Flags & 0x20) != 0 )
      {
        UNLOCK_ADDRESS_SPACE(CurrentThread, Process);
        MiDeleteAweBitMap(Process, &Destination);
        return -1073741558;
      }
    }
    MiLockAwePagesExclusive(a1, (INT64)CurrentThread);
    if( Destination.SizeOfBitMap > *(_QWORD *)v9 )
    {
      RtlCopyBitMapEx((_RTL_BITMAP_EX *)(a1 + 16), &Destination, 0i64);
      v11 = (_RTL_BITMAP_EX)*v9;
      *v9 = (__int128)Destination;
      MiUnlockAwePagesExclusive(a1, (INT64)CurrentThread);
      if( Process )
        UNLOCK_ADDRESS_SPACE(CurrentThread, Process);
      if( !v11.Buffer )
        return 0;
      p_Destination = &v11;
    }
    else
    {
      MiUnlockAwePagesExclusive(a1, (INT64)CurrentThread);
      if( Process )
        UNLOCK_ADDRESS_SPACE(CurrentThread, Process);
      p_Destination = &Destination;
    }
    MiDeleteAweBitMap(Process, p_Destination);
    return 0;
  }
  return result;
}

Referenced by: