MiUnlockLoaderEntry

NTSTATUS __stdcall MiUnlockLoaderEntry(INT64 a1, INT64 a2){
  _ETHREAD *CurrentThread; 
  UINT64 v3; 
  _ETHREAD *v4; 
  unsigned int SessionId; 
  unsigned __int8 v6; 
  int v7; 
  bool v8; 
  __int64 v9; 
  _KLOCK_ENTRY *v10; 
  __int64 v11; 
  NTSTATUS result; 
  UINT64 a3; 

  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v3 = a1 + 104;
  if( (_DWORD)a2 )
  {
    if( (_DWORD)a2 == 2 )
    {
      if( _InterlockedCompareExchange64((volatile signed __int64 *)v3, 0i64, 17i64) != 17 )
        ExfReleasePushLockShared((_EX_PUSH_LOCK *)(a1 + 104));
      KeAbPostRelease((VOID *)v3);
    }
    else
    {
      ExReleaseAutoExpandPushLockExclusive(a1 + 104, 0);
    }
  }
  else
  {
    if( (_InterlockedExchangeAdd64((volatile signed __int64 *)v3, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
      ExfTryToWakePushLock((_EX_PUSH_LOCK *)(a1 + 104));
    LODWORD(a3) = 0;
    v4 = (_ETHREAD *)KeGetCurrentThread();
    if( MiGetSystemRegionType(v3) == 1 )
      SessionId = MmGetSessionIdEx(v4->Tcb.ApcState.Process);
    else
      SessionId = -1;
    --v4->Tcb.SpecialApcDisable;
    v6 = ++v4->Tcb.AbAllocationRegionCount;
    v7 = ((char)v4->Tcb.AbEntrySummary | (char)v4->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
    while( 1 )
    {
      v8 = !_BitScanReverse((unsigned int *)&v9, v7);
      if( v8 )
        break;
      v10 = &v4->Tcb.LockEntries[v9];
      v7 &= ~(1 << v9);
      if( (v10->AcquiredByte & 1) != 0
        && (v10->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
        && (v10->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == (v3 & 0x7FFFFFFFFFFFFFFCi64)
        && v10->LockState.SessionId == SessionId )
      {
        v10->AcquiredByte &= ~1u;
        if( v10->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
        {
          if( v10 )
          {
            v10->CrossThreadReleasableAndBusyByte |= 2u;
            if( v10->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
              KiAbEntryRemoveFromTree(v10);
            LODWORD(a3) = v10->BoostBitmap.AllFields & 0x1FFFF;
            v10->BoostBitmap.AllFields &= 0xFFFE0000;
            v10->ThreadLocalFlags &= ~1u;
            v10->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
            v11 = v10 - v4->Tcb.LockEntries;
            if( v6 == 1 )
              v4->Tcb.AbEntrySummary |= 1 << v11;
            else
              _InterlockedOr8((volatile signed __int8 *)&v4->Tcb.AbOrphanedEntrySummary, 1 << v11);
            goto LABEL_18;
          }
          break;
        }
      }
    }
    if( (*(&v4->Tcb.MiscFlags + 1) & 0x10000) == 0 )
      KeBugCheckEx(0x162u, v4, (PVOID)v3, (PVOID)SessionId, 0i64);
LABEL_18:
    --v4->Tcb.AbAllocationRegionCount;
    KiAbThreadRemoveBoosts(&v4->Tcb, (VOID *)v3, &a3);
    v8 = v4->Tcb.SpecialApcDisable++ == -1;
    if( v8 && ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)v4->Tcb.ApcState.ApcListHead[0].Flink != &v4->Tcb.152 )
      KiCheckForKernelApcDelivery();
  }
  KiLeaveGuardedRegionUnsafe((__int64)CurrentThread);
  return result;
}

Referenced by: