MmSetHardFaultBehavior

NTSTATUS __stdcall MmSetHardFaultBehavior(_ETHREAD *Thread, UINT64 SetState){
  bool v2; 
  unsigned __int64 v4; 
  struct _KPRCB *CurrentPrcb; 
  __int64 CachedResidentAvailable; 
  signed __int32 v8; 

  v2 = (_DWORD)SetState == 0;
  v4 = 26i64;
  if( v2 )
  {
    CurrentPrcb = KeGetCurrentPrcb();
    CachedResidentAvailable = (int)CurrentPrcb->CachedResidentAvailable;
    if( (_DWORD)CachedResidentAvailable == -1 )
      goto LABEL_11;
    if( (unsigned __int64)(CachedResidentAvailable + 26) <= 0x100 )
    {
      do
      {
        v8 = _InterlockedCompareExchange(
               (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
               CachedResidentAvailable + 26,
               CachedResidentAvailable);
        v2 = (_DWORD)CachedResidentAvailable == v8;
        LODWORD(CachedResidentAvailable) = v8;
        if( v2 )
          goto LABEL_8;
      }
      while( v8 != -1 && (unsigned __int64)(v8 + 26i64) <= 0x100 );
    }
    if( (int)CachedResidentAvailable > 192
      && (_DWORD)CachedResidentAvailable != -1
      && (_DWORD)CachedResidentAvailable == _InterlockedCompareExchange(
                                              (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                                              192,
                                              CachedResidentAvailable) )
    {
      v4 = (int)CachedResidentAvailable - 192 + 26i64;
    }
    if( v4 )
LABEL_11:
      _InterlockedExchangeAdd64((_QWORD *)&stru_140C50B28 + 883, v4);
LABEL_8:
    Thread->$84F33738BEE95ACDF5C5BF1C8FDC7C8C::_bf_0 &= ~4u;
    KiLeaveGuardedRegionUnsafe((__int64)Thread);
    return 0;
  }
  if( MiChargeResident((ULONG_PTR *)&Irp.Core.PartitionId, 0x1Aui64, 0x400ui64) )
  {
    --Thread->Tcb.SpecialApcDisable;
    Thread->$84F33738BEE95ACDF5C5BF1C8FDC7C8C::_bf_0 |= 4u;
    return 0;
  }
  return -1073741670;
}

Referenced by: