KiIdleLoop

VOID __fastcall __noreturn KiIdleLoop(INT64 a1, INT64 a2, INT64 a3, INT64 a4){
  struct _KPRCB *CurrentPrcb; 
  __int64 v5; 
  int v6; 
  __int64 v7; 
  unsigned __int64 v8; 
  unsigned __int64 v9; 
  unsigned __int64 v10; 
  void *retaddr; 
  if( (_BYTE)KeSmapEnabled )
    __clac();
  retaddr = 0i64;
  CurrentPrcb = KeGetCurrentPrcb();
  while( 1 )
  {
    while( 1 )
    {
      if( HvlEnableIdleYield )
        _mm_pause();
      _enable();
      _disable();
      if( (*((_BYTE *)CurrentPrcb + 12588) & 0x3F) != 0 )
        KiRetireDpcList(CurrentPrcb);
      if( *((_BYTE *)CurrentPrcb + 12585) )
      {
        *((_BYTE *)CurrentPrcb + 12585) = 0;
        _enable();
        KiQuantumEnd();
        _disable();
      }
      _InterlockedOr8((volatile signed __int8 *)CurrentPrcb + 7, 1u);
      if( !*((_QWORD *)CurrentPrcb + 2) )
        break;
      *((_BYTE *)CurrentPrcb + 7) = 0;
      _enable();
      v5 = *((_QWORD *)CurrentPrcb + 3);
      if( _interlockedbittestandset64((volatile signed __int32 *)CurrentPrcb + 12, 0i64) )
      {
        v6 = 0;
        do
        {
          do
          {
            ++v6;
            _mm_pause();
          }
          while( (*((_QWORD *)CurrentPrcb + 6) & 1i64) != 0 );
        }
        while( _interlockedbittestandset64((volatile signed __int32 *)CurrentPrcb + 12, 0i64) );
      }
      v7 = *((_QWORD *)CurrentPrcb + 2);
      *((_QWORD *)CurrentPrcb + 2) = 0i64;
      if( v7 != v5 )
      {
        _disable();
        ++*((_BYTE *)CurrentPrcb + 32);
        v8 = __rdtsc();
        v9 = (unsigned __int64)HIDWORD(v8) << 32;
        v10 = (v9 | (unsigned int)v8) - *((_QWORD *)CurrentPrcb + 4056);
        *(_QWORD *)(v5 + 72) += v10;
        *((_QWORD *)CurrentPrcb + 4056) += v10;
        _enable();
        *((_QWORD *)CurrentPrcb + 1) = v7;
        *(_BYTE *)(v7 + 388) = 2;
        _InterlockedAnd64((volatile signed __int64 *)CurrentPrcb + 6, 0i64);
        goto LABEL_23;
      }
      *((_QWORD *)CurrentPrcb + 6) = 0i64;
    }
    if( *((_BYTE *)CurrentPrcb + 12587) )
    {
      *((_BYTE *)CurrentPrcb + 7) = 0;
      _enable();
      if( KiIdleSchedule((UINT64)CurrentPrcb) )
      {
LABEL_23:
        *((_BYTE *)CurrentPrcb + 6) |= (*((_BYTE *)CurrentPrcb + 12588) & 0x2F) != 0;
        if( (_BYTE)KeSmapEnabled )
          __stac();
        SwapContext((_KTHREAD *)1, (_KTHREAD *)v9, a3);
        if( (_BYTE)KeSmapEnabled )
          __clac();
      }
    }
    else
    {
      if( (*((_BYTE *)CurrentPrcb + 12588) & 0x3F) == 0 )
      {
        if( (_BYTE)KeSmapEnabled )
          __stac();
        __writecr8(0i64);
        PoIdle((ULONG_PTR)CurrentPrcb);
        _enable();
        __writecr8(2ui64);
        if( (_BYTE)KeSmapEnabled )
          __clac();
      }
      *((_BYTE *)CurrentPrcb + 7) = 0;
    }
  }
}

Referenced by: