326a327,336
>
> Addr next_return_addr = pagePtr << PageShift;
>
> AddrRange m5opRange(0xffff0000, 0xffffffff);
> if (m5opRange.contains(next_return_addr)) {
> warn("Reached m5ops MMIO region\n");
> return_addr = 0xffffffff;
> pagePtr = 0xffffffff >> PageShift;
> }
>