Hi Jyothish, Can you elaborate on what you're trying to do? How do you end up with a thread context that has no process pointer? When does that thread context get used?
Thanks, Steve On Fri, Sep 18, 2015 at 3:30 AM Jyothish Soman <[email protected]> wrote: > Just in case anyone faces this later, this made it work: > > diff -r c56647a1bea9 src/cpu/base.cc > --- a/src/cpu/base.cc Thu Sep 17 19:27:07 2015 +0100 > +++ b/src/cpu/base.cc Fri Sep 18 11:26:54 2015 +0100 > @@ -452,8 +452,10 @@ > else > tc->setContextId(system->registerThreadContext(tc)); > > - if (!FullSystem) > - tc->getProcessPtr()->assignThreadContext(tc->contextId()); > + if (!FullSystem){ > + if(tc->getProcessPtr()!=NULL) > + > tc->getProcessPtr()->assignThreadContext(tc->contextId()); > + } > } > } > > diff -r c56647a1bea9 src/cpu/o3/fetch_impl.hh > --- a/src/cpu/o3/fetch_impl.hh Thu Sep 17 19:27:07 2015 +0100 > +++ b/src/cpu/o3/fetch_impl.hh Fri Sep 18 11:26:54 2015 +0100 > @@ -1144,7 +1144,8 @@ > // Start actual fetch > ////////////////////////////////////////// > ThreadID tid = getFetchingThread(fetchPolicy); > - > + if(cpu->getContext(tid)->getProcessPtr()==NULL) > + return; > assert(!cpu->switchedOut()); > > if (tid == InvalidThreadID) { > > diff -r c56647a1bea9 src/cpu/thread_state.cc > --- a/src/cpu/thread_state.cc Thu Sep 17 19:27:07 2015 +0100 > +++ b/src/cpu/thread_state.cc Fri Sep 18 11:26:54 2015 +0100 > @@ -118,6 +118,7 @@ > virtProxy = new FSTranslatingPortProxy(tc); > } else { > assert(proxy == NULL); > + if(process!=NULL) > proxy = new SETranslatingPortProxy(baseCpu->getDataPort(), > process, > > SETranslatingPortProxy::NextPage); > > On 18 September 2015 at 09:57, Jyothish Soman <[email protected]> > wrote: > > > Hi, > > > > There is some code in o3 cpu, related to a dummy process for initialising > > a lazy thread, but there is no support for it in any other part of the > code > > base. Recommend trimming it out maybe? > > Apologies for double posting, as this falls midway between a user request > > and a bug report. > > > > Best, > > Jyothish > > > _______________________________________________ > gem5-dev mailing list > [email protected] > http://m5sim.org/mailman/listinfo/gem5-dev >
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