PopFxRemoveAcpiDevice

VOID __stdcall PopFxRemoveAcpiDevice(_POP_FX_DEVICE *FxDevice){
  __int64 v1; 
  _ETHREAD *CurrentThread; 
  __int64 v3; 
  _QWORD *v4; 
  __int64 v5; 
  _QWORD *v6; 
  _ETHREAD *v7; 
  unsigned int SessionId; 
  unsigned __int8 v9; 
  int v10; 
  _KLOCK_ENTRY *v11; 
  bool v12; 
  __int64 v13; 
  int v14; 
  unsigned int v15; 
  __int64 v16; 
  UINT64 a3; 

  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v3 = v1;
  --CurrentThread->Tcb.KernelApcDisable;
  ExAcquirePushLockExclusiveEx((_EX_PUSH_LOCK *)&stru_140C23628 + 489, 0i64);
  v4 = (_QWORD *)(v3 + 200);
  v5 = *v4;
  if( *(_QWORD **)(*v4 + 8i64) != v4 || (v6 = (_QWORD *)v4[1], (_QWORD *)*v6 != v4) )
    __fastfail(3u);
  *v6 = v5;
  *(_QWORD *)(v5 + 8) = v6;
  if( (_InterlockedExchangeAdd64((_QWORD *)&stru_140C23628 + 489, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
    ExfTryToWakePushLock((_EX_PUSH_LOCK *)&stru_140C23628 + 489);
  LODWORD(a3) = 0;
  v7 = (_ETHREAD *)KeGetCurrentThread();
  if( MiGetSystemRegionType((UINT64)&stru_140C23628 + 3912) == 1 )
    SessionId = MmGetSessionIdEx(v7->Tcb.ApcState.Process);
  else
    SessionId = -1;
  --v7->Tcb.SpecialApcDisable;
  v9 = ++v7->Tcb.AbAllocationRegionCount;
  v10 = ((char)v7->Tcb.AbEntrySummary | (char)v7->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
  while( 1 )
  {
    v12 = !_BitScanReverse((unsigned int *)&v13, v10);
    if( v12 )
      goto LABEL_15;
    v11 = &v7->Tcb.LockEntries[v13];
    v10 &= ~(1 << v13);
    if( (v11->AcquiredByte & 1) != 0
      && (v11->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
      && (v11->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == (((unsigned __int64)&stru_140C23628
                                                                                              + 3912) & 0x7FFFFFFFFFFFFFFCi64)
      && v11->LockState.SessionId == SessionId )
    {
      v11->AcquiredByte &= ~1u;
      if( v11->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
        break;
    }
  }
  if( !v11 )
  {
LABEL_15:
    if( (*(&v7->Tcb.MiscFlags + 1) & 0x10000) == 0 )
      KeBugCheckEx(0x162u, v7, (char *)&stru_140C23628 + 3912, (PVOID)SessionId, 0i64);
    goto LABEL_22;
  }
  v11->CrossThreadReleasableAndBusyByte |= 2u;
  if( v11->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
    KiAbEntryRemoveFromTree(v11);
  v14 = v11->BoostBitmap.AllFields & 0x1FFFF;
  v15 = v11->BoostBitmap.AllFields & 0xFFFE0000;
  v11->ThreadLocalFlags &= ~1u;
  LODWORD(a3) = v14;
  v11->BoostBitmap.AllFields = v15;
  v11->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
  v16 = v11 - v7->Tcb.LockEntries;
  if( v9 == 1 )
    v7->Tcb.AbEntrySummary |= 1 << v16;
  else
    _InterlockedOr8((volatile signed __int8 *)&v7->Tcb.AbOrphanedEntrySummary, 1 << v16);
LABEL_22:
  --v7->Tcb.AbAllocationRegionCount;
  KiAbThreadRemoveBoosts(&v7->Tcb, (char *)&stru_140C23628 + 3912, &a3);
  v12 = v7->Tcb.SpecialApcDisable++ == -1;
  if( v12 && ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)v7->Tcb.ApcState.ApcListHead[0].Flink != &v7->Tcb.152 )
    KiCheckForKernelApcDelivery();
  KeLeaveCriticalRegionThread(KeGetCurrentThread());
}

Referenced by: