KiVirtualizationException

VOID __fastcall KiVirtualizationException(UINT64 a1, UINT64 a2, UINT64 a3, UINT64 a4, CHAR a5){
  unsigned __int64 v5; 
  unsigned __int64 v6; 
  unsigned __int64 v7; 
  _M128A v8; 
  _M128A v9; 
  _M128A v10; 
  _M128A v11; 
  _M128A v12; 
  _M128A v13; 
  _KTRAP_FRAME *__shifted(_KTRAP_FRAME,0x80) TrapFrame; 
  _ETHREAD *CurrentThread; 
  unsigned __int8 BpbKernelSpecCtrl; 
  unsigned __int8 BpbState; 
  bool v18; 
  _DWORD *VirtualApicAssist; 
  int CurrentIrql; 
  _QWORD *v21; 
  UINT64 v22; 
  INT64 v23; 
  INT64 v24; 
  INT64 v25; 
  _ETHREAD *v26; 
  _ETHREAD *v27; 
  INT64 R9; 
  INT64 R8; 
  unsigned __int8 BpbUserSpecCtrl; 
  unsigned __int8 v31; 
  CHAR NewIrql; 
  void *retaddr; 
  __int16 v36; 
  int v37; 
  void *v38; 
  __int16 v39; 

  TrapFrame = KeGetTrapFrame();
  ADJ(TrapFrame)->ExceptionActive = 1;
  ADJ(TrapFrame)->_Rax = v5;
  ADJ(TrapFrame)->_Rcx = a1;
  ADJ(TrapFrame)->_Rdx = a2;
  ADJ(TrapFrame)->_R8 = a3;
  ADJ(TrapFrame)->_R9 = a4;
  ADJ(TrapFrame)->_R10 = v6;
  ADJ(TrapFrame)->_R11 = v7;
  if( (ADJ(TrapFrame)->SegCs & 1) != 0 )
  {
    if( (KiKvaShadow & 1) == 0 )
      __swapgs();
    _mm_lfence();
    CurrentThread = (_ETHREAD *)KeGetCurrentThread();
    __writegsqword(0x270u, CurrentThread->Tcb.Process->SecurityDomain);
    __writegsbyte(0x851u, KeGetPcr()->Prcb.BpbRetpolineExitSpecCtrl);
    __writegsbyte(0x852u, KeGetPcr()->Prcb.BpbState);
    BpbKernelSpecCtrl = KeGetPcr()->Prcb.BpbKernelSpecCtrl;
    if( KeGetPcr()->Prcb.BpbCurrentSpecCtrl != BpbKernelSpecCtrl )
    {
      __writegsbyte(0x27Au, BpbKernelSpecCtrl);
      __writemsr(0x48u, BpbKernelSpecCtrl);
    }
    BpbState = KeGetPcr()->Prcb.BpbState;
    if( (BpbState & 8) != 0 )
    {
      __writemsr(0x49u, 1ui64);
      BpbState = KeGetPcr()->Prcb.BpbState;
    }
    if( (BpbState & 2) != 0 )
      __flush_rsb();
    _mm_lfence();
    __writegsbyte(0x853u, 0);
    v18 = (CurrentThread->Tcb.gap0[3] & 3) == 0;
    LOWORD(ADJ(TrapFrame)->Dr7) = 0;
    if( !v18 )
      KiSaveDebugRegisterState();
  }
  else
  {
    _mm_lfence();
    if( (KeGetPcr()->Prcb.BpbState & 1) != 0 )
      __writemsr(0x48u, KeGetPcr()->Prcb.BpbCurrentSpecCtrl);
    else
      _mm_lfence();
  }
  ADJ(TrapFrame)->_MxCsr = _mm_getcsr();
  _mm_setcsr(KeGetPcr()->Prcb._MxCsr);
  ADJ(TrapFrame)->_Xmm0 = v8;
  ADJ(TrapFrame)->_Xmm1 = v9;
  ADJ(TrapFrame)->_Xmm2 = v10;
  ADJ(TrapFrame)->_Xmm3 = v11;
  ADJ(TrapFrame)->_Xmm4 = v12;
  ADJ(TrapFrame)->_Xmm5 = v13;
  if( (_BYTE)KeSmapEnabled && (ADJ(TrapFrame)->SegCs & 1) != 0 )
    __stac();
  VirtualApicAssist = KeGetPcr()->Prcb.VirtualApicAssist;
  if( !VirtualApicAssist
    || VirtualApicAssist[17] != 1
    || (ADJ(TrapFrame)->EFlags & 0x200) == 0
    || (CurrentIrql = KeGetCurrentIrql(), LODWORD(ADJ(TrapFrame)->P5) = CurrentIrql, (char)CurrentIrql >= 2) )
  {
    KiBugCheckDispatch(0x7Fu, (void *)0x20, (void *)LOBYTE(ADJ(TrapFrame)->P5), KeGetPcr()->Prcb.VirtualApicAssist);
  }
  KzRaiseIrql(2);
  _enable();
  v21 = KeGetPcr()->Prcb.VirtualApicAssist;
  v22 = v21[9];
  *((_DWORD *)v21 + 17) = 0;
  KiEpfHandleNotification(v22);
  _disable();
  KzLowerIrql(ADJ(TrapFrame)->P5);
  if( (ADJ(TrapFrame)->SegCs & 1) == 0 )
  {
    _mm_setcsr(ADJ(TrapFrame)->_MxCsr);
    __iretq(retaddr, v36, v37, v38, v39);
  }
  if( (_BYTE)KeSmapEnabled )
    __stac();
  while( (KeGetCurrentThread()->ApcState.UserApcPendingAll & 3) != 0 )
  {
    __writecr8(1ui64);
    _enable();
    KiInitiateUserApc((_KTRAP_FRAME *)1);
    _disable();
    __writecr8(0i64);
  }
  if( (*((_BYTE *)&KeGetPcr()->Prcb.2 + 14) & 2) != 0 )
    KiUpdateStibpPairing(0i64);
  v26 = (_ETHREAD *)KeGetCurrentThread();
  if( (*(_DWORD *)v26->Tcb.gap0 & 0x8000000) != 0 )
    KiRestoreSetContextState((INT64)v26, v23, v24, v25, NewIrql);
  v27 = (_ETHREAD *)KeGetCurrentThread();
  if( (*(_DWORD *)v27->Tcb.gap0 & 0x40010000) != 0 )
  {
    if( (v27->Tcb.gap0[2] & 1) != 0 )
    {
      KiCopyCounters(&v27->Tcb);
      v27 = (_ETHREAD *)KeGetCurrentThread();
    }
    if( (v27->Tcb.gap0[3] & 0x40) != 0 )
      KiUmsExit(1);
  }
  _mm_setcsr(ADJ(TrapFrame)->_MxCsr);
  if( LOWORD(ADJ(TrapFrame)->Dr7) )
    KiRestoreDebugRegisterState();
  R9 = ADJ(TrapFrame)->_R9;
  R8 = ADJ(TrapFrame)->_R8;
  __writegsbyte(0x853u, 0);
  BpbUserSpecCtrl = KeGetPcr()->Prcb.BpbUserSpecCtrl;
  if( KeGetPcr()->Prcb.BpbCurrentSpecCtrl != BpbUserSpecCtrl )
  {
    __writegsbyte(0x27Au, BpbUserSpecCtrl);
    __writemsr(0x48u, BpbUserSpecCtrl);
  }
  v31 = _bittestandreset16(MK_FP(__GS__, 632i64), 2u);
  if( v31 )
    __writemsr(0x49u, 1ui64);
  v31 = _bittestandreset16(MK_FP(__GS__, 632i64), 5u);
  if( v31 )
    __flush_rsb();
  if( (KiKvaShadow & 1) == 0 )
  {
    __swapgs();
    __iretq(retaddr, v36, v37, v38, v39);
  }
  KiKernelExit(ADJ(TrapFrame)->_Rcx, ADJ(TrapFrame)->_Rdx, R8, R9, a5);
}

Referenced by: