HalpSetVirtualRtc

VOID __fastcall HalpSetVirtualRtc(_LARGE_INTEGER *CurrentTime){
  _LARGE_INTEGER v1; 
  _LARGE_INTEGER v3; 
  LONGLONG QuadPart; 
  UINT64 PerformanceCounter; 
  __int128 v6; 
  _LARGE_INTEGER v7; 

  v6 = 0i64;
  if( dword_140C49D0C != 2 )
  {
    if( CurrentTime )
    {
      QuadPart = CurrentTime->QuadPart;
      v7 = *CurrentTime;
    }
    else
    {
      if( dword_140C49D0C )
        return;
      v3.anonymous_0.LowPart = RtlGetSystemTimePrecise();
      QuadPart = v3.QuadPart;
      v7 = v3;
    }
    RtlpTimeToTimeFields(&v7, &v6, v1);
    if( (__int16)v6 > 1601 )
    {
      PerformanceCounter = KeQueryPerformanceCounter(0i64);
      dword_140C4A3A0 = HIDWORD(PerformanceCounter);
      qword_140C4A398 = PerformanceCounter;
      dword_140C4A394 = v7.anonymous_0.HighPart;
      qword_140C4A38C = QuadPart;
      dword_140C4A388 = HIDWORD(PerformanceCounter);
      qword_140C4A380 = PerformanceCounter;
      if( CurrentTime )
        byte_140C4A3A4 = 0;
    }
  }
}

Referenced by:

HalCalibratePerformanceCounter
HalQueryRealTimeClock
HalSetRealTimeClock
HalpSetResumeTime