HvpSetRangeProtection

INT64 __fastcall HvpSetRangeProtection(_HHIVE *Hive, UINT64 Offset, INT64 Length, UINT64 Protection){
  unsigned int v4; 
  unsigned int v5; 
  unsigned int v6; 
  INT64 CellMap; 
  __int64 FreeBin; 
  _DWORD *v10; 
  int v11; 
  INT64 v12; 
  char v13; 
  int v14; 
  char *v15; 
  unsigned int v16; 
  _HVP_VIEW_MAP *p_ViewMap; 
  INT64 result; 
  v4 = Protection;
  v5 = Length;
  v6 = Offset;
  if( (Hive->HiveFlags & 0x11) == 0 && (_DWORD)Length )
  {
    while( 1 )
    {
      CellMap = HvpGetCellMap((INT64)Hive, v6);
      if( !CellMap )
        KeBugCheckEx(0x51u, 1ui64, (ULONG_PTR)Hive, v6, 0x40Cui64);
      if( (*(_QWORD *)(CellMap + 8) & 0xFFFFFFFFFFFFFFF0ui64) == 0 )
      {
        v5 -= 4096;
        v16 = 4096;
        goto LABEL_14;
      }
      FreeBin = HvpMapEntryGetFreeBin((_BYTE *)CellMap);
      v11 = FreeBin ? v6 - *(_DWORD *)(FreeBin + 20) : *v10;
      v12 = HvpGetCellMap((INT64)Hive, v6 - v11);
      v16 = v5;
      if( v5 >= *(_DWORD *)(v12 + 16) - v14 )
        v16 = *(_DWORD *)(v12 + 16) - v14;
      if( (v13 & 8) != 0 )
        break;
      if( (Hive->HiveFlags & 0x20000) == 0 )
      {
        result = 1i64;
LABEL_19:
        if( !(_DWORD)result )
          goto LABEL_23;
        goto LABEL_13;
      }
      p_ViewMap = &Hive->ViewMap;
      if( v4 == 2 )
      {
        HvpViewMapSealRange((INT64)p_ViewMap, v6, v16);
      }
      else if( (int)HvpViewMapCOWAndUnsealRange((INT64)p_ViewMap, v6, v16) < 0 )
      {
        result = 0i64;
LABEL_23:
        if( v4 == 4 )
          return result;
      }
LABEL_13:
      v5 -= v16;
LABEL_14:
      v6 += v16;
      if( !v5 )
        return 1i64;
    }
    result = ExProtectPoolEx(v15, &v15[v14], v16, v4);
    goto LABEL_19;
  }
  return 1i64;
}

Referenced by: