119c119
< TLB::checkCacheability(RequestPtr &req)
---
> TLB::checkCacheability(RequestPtr &req, bool itb)
150a151,156
> // We shouldn't be able to read from an uncachable address in Alpha as
> // we don't have a ROM and we don't want to try to fetch from a device
> // register as we destroy any data that is clear-on-read.
> if (req->isUncacheable() && itb)
> return new UnimpFault("CPU trying to fetch from uncached I/O");
>
393c399
< return checkCacheability(req);
---
> return checkCacheability(req, true);