PnprMarkOrMirrorPages

__int64 __fastcall PnprMarkOrMirrorPages(unsigned __int64 a1, unsigned __int64 a2, INT64 a3){
  __int64 v4; 
  unsigned __int64 v5; 
  char v6; 
  __int64 v7; 
  _RTL_BITMAP *v8; 
  unsigned __int64 v9; 
  unsigned __int64 v10; 
  unsigned __int64 v11; 
  unsigned __int64 v12; 
  unsigned __int64 v13; 
  unsigned __int64 v14; 
  __int64 v15; 
  int v16; 
  int v17; 
  _KLOCK_QUEUE_HANDLE LockHandle; 

  v4 = PnprContext;
  v5 = a1 >> 12;
  v6 = a3;
  memset(&LockHandle, 0, sizeof(LockHandle));
  v7 = PnprContext + 152;
  v8 = *(_RTL_BITMAP **)(PnprContext + 152);
  v9 = (a2 >> 12) + v5;
  v10 = v9 - 1;
  while( v8 != (_RTL_BITMAP *)v7 )
  {
    v11 = *(_QWORD *)&v8[1].SizeOfBitMap;
    if( v10 < v11 )
      break;
    v12 = v5;
    v13 = v9;
    if( v5 <= v11 )
      v12 = *(_QWORD *)&v8[1].SizeOfBitMap;
    if( (unsigned int *)v10 >= (unsigned int *)((char *)v8[1].Buffer + v11 - 1) )
      v13 = (unsigned __int64)v8[1].Buffer + v11;
    v14 = v13 - 1;
    if( v12 <= v14 )
    {
      if( v6 )
      {
        if( (*(int(__fastcall **)(_QWORD, unsigned __int64, unsigned __int64))(v4 + 20928))(
               *(_QWORD *)(v4 + 20880),
               v12 << 12,
               (v14 << 12) - (v12 << 12) + 4096) < 0 )
        {
          v15 = PnprContext;
          v16 = *(_DWORD *)(PnprContext + 20984);
          if( !v16 )
            v16 = 3424;
          *(_DWORD *)(PnprContext + 20984) = v16;
          v17 = *(_DWORD *)(v15 + 20988);
          if( !v17 )
            v17 = 8;
          *(_DWORD *)(v15 + 20988) = v17;
        }
      }
      else
      {
        KeAcquireInStackQueuedSpinLock((PKSPIN_LOCK)(v4 + 168), &LockHandle);
        RtlClearBits(v8 + 2, v12 - v11, v14 - v12 + 1);
        KeReleaseInStackQueuedSpinLock(&LockHandle);
      }
    }
    v4 = PnprContext;
    v8 = *(_RTL_BITMAP **)&v8->SizeOfBitMap;
    v7 = PnprContext + 152;
  }
  return 0i64;
}

Referenced by: