MiDeleteAweInfoPages

INT64 __fastcall MiDeleteAweInfoPages(INT64 a1){
  _ETHREAD *CurrentThread; 
  INT64 v2; 
  UINT64 v3; 
  INT64 v4; 
  _DWORD *v5; 
  INT64 v6; 
  int v7; 
  UINT64 *v8; 
  UINT64 SetBits; 
  UINT64 v10; 
  UINT64 NextForwardRunClear; 
  UINT64 v12; 
  UINT64 v13; 
  UINT64 v14; 
  __int64 v15; 
  __int64 v16; 
  UINT64 v17; 
  char *v18; 
  int v19; 
  _MMPFN *PfnDb; 
  __int64 v21; 
  INT64 AweInfoPartition; 
  _ETHREAD *v24; 
  UINT64 v26; 
  __int64 v27; 
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v2 = 0i64;
  v26 = 0i64;
  v3 = 0i64;
  v4 = 0i64;
  v24 = CurrentThread;
  v5 = (_DWORD *)a1;
  AweInfoPartition = MiGetAweInfoPartition(a1);
  MiLockAwePagesExclusive((INT64)v5, (INT64)CurrentThread);
  v6 = ExGetCallBackBlockRoutine((INT64)v5);
  v7 = *v5;
  v8 = (UINT64 *)(v5 + 4);
  v27 = v6;
  if( (v7 & 1) == 0 || *(_QWORD *)(*((_QWORD *)KeGetCurrentThread() + 23) + 2032i64) )
  {
    do
    {
      SetBits = RtlFindSetBitsEx(v8, 1ui64, v3);
      v10 = SetBits;
      if( SetBits < v3 || SetBits == -1i64 )
        break;
      NextForwardRunClear = RtlFindNextForwardRunClearEx((INT64)v8, SetBits, &v26);
      v12 = v26;
      v13 = NextForwardRunClear;
      if( !NextForwardRunClear )
        v12 = *v8;
      v14 = v12 - v10;
      RtlClearBitsEx((INT64)v8, v10, v14);
      v15 = v27;
      v3 = v10 + v14 + v13;
      v16 = v27 * v10;
      v4 += v27 * v14;
      v17 = 0i64;
      v18 = (char *)MmGetPfnDb() + 48 * v16;
      v19 = (unsigned __int8)v18[34] >> 6;
      if( v14 )
      {
        PfnDb = MmGetPfnDb();
        v21 = 48 * v27;
        do
        {
          if( (unsigned __int8)v18[34] >> 6 != v19 )
          {
            MiFreeMdlPageRun(v16, v17, 0i64);
            v19 = (unsigned __int8)v18[34] >> 6;
            v15 = v27;
            v17 = 0i64;
            v16 = (v18 - (char *)PfnDb) / 48;
          }
          v17 += v15;
          v18 += v21;
          --v14;
        }
        while( v14 );
        v5 = (_DWORD *)a1;
        v8 = (UINT64 *)(a1 + 16);
      }
      MiFreeMdlPageRun(v16, v17, 0i64);
    }
    while( v3 < *v8 );
    if( v4 )
    {
      _InterlockedExchangeAdd64((volatile signed __int64 *)(AweInfoPartition + 7608), -v4);
      if( (ULONG_PTR *)AweInfoPartition == &MiSystemPartition )
        _InterlockedExchangeAdd64(&qword_140C4ECF8, -v4);
    }
    CurrentThread = v24;
    v2 = v4;
  }
  MiUnlockAwePagesExclusive((INT64)v5, (INT64)CurrentThread);
  return v2;
}

Referenced by: