HalpTimerInitializeProfiling

INT64 __fastcall HalpTimerInitializeProfiling(){
  KDPC *v0; 
  int v1; 
  INT64 v2; 
  void *v4; 
  void *v5; 
  void *v6; 
  __int64 v7; 
  void *v8; 
  void *v9; 
  void *v10; 
  __int64 v11; 
  int v12; 
  __int128 v13; 
  v0 = (KDPC *)HalpProfileTimer;
  v1 = 0;
  v13 = 0i64;
  if( HalpProfileData || (HalpProfileData = (__int64)HalpMmAllocatePerProcessorMemory(32)) != 0 )
  {
    v12 = 10000;
    (*((void(__fastcall **)(_QWORD, int *))HalpProfileInterface[0] + 3))(0i64, &v12);
    if( *((_DWORD *)KeGetPcr() + 105) )
    {
      if( v0 )
      {
        HalpInterruptSetIdtEntry(0xFDui64, HalpTimerProfileInterrupt, 15, v2, (UINT64 *)0xFFFFFFFFFFFFFFFDi64);
        if( ((__int64)v0[3].DeferredContext & 1) != 0 )
        {
          HalpTimerGetInternalData(v0, v4, v5, v6);
          v1 = ((__int64(__fastcall *)(__int64))v0[1].SystemArgument1)(v7);
          if( v1 >= 0 )
          {
            HalpTimerGetInternalData(v0, v8, v9, v10);
            ((void(__fastcall *)(__int64))v0[2].DpcListEntry.Next)(v11);
          }
        }
      }
    }
    else if( v0 )
    {
      *((_QWORD *)&v13 + 1) = (unsigned __int16)((unsigned int)KiProcessorIndexToNumberMappingTable[0] >> 6);
      *(_QWORD *)&v13 = 1i64 << (KiProcessorIndexToNumberMappingTable[0] & 0x3F);
      return(unsigned int)HalpTimerConfigureInterrupt(
                             (__int64)v0,
                             0xFDu,
                             15,
                             v2,
                             -3i64,
                             1,
                             &v13,
                             (__int64(__fastcall *)(__int64, __int64))HalpTimerProfileInterrupt);
    }
  }
  else
  {
    return(unsigned int)-1073741801;
  }
  return(unsigned int)v1;
}

Referenced by: