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src/cpu/inorder/first_stage.hh <http://reviews.gem5.org/r/2158/#comment4573> I suggest that you mark this function as virtual in pipeline_stage.hh and remove the check on the pipeline stage in the takeOverFrom() function in the InOrderCPU class. - Nilay Vaish On Feb. 1, 2014, 2:26 a.m., Christopher Torng wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > http://reviews.gem5.org/r/2158/ > ----------------------------------------------------------- > > (Updated Feb. 1, 2014, 2:26 a.m.) > > > Review request for Default. > > > Repository: gem5 > > > Description > ------- > > cpu: Enable fast-forwarding for MIPS InOrderCPU and O3CPU > > A copyRegs() function is added to MIPS utilities > to copy architectural state from the old CPU to > the new CPU during fast-forwarding. This > addition alone enables fast-forwarding for the > o3 cpu model running MIPS. > > The patch also adds takeOverFrom() and > drainResume() functions to the InOrderCPU to > enable it to take over from another CPU. This > change enables fast-forwarding for the inorder > cpu model running MIPS, but not for Alpha. > > > Diffs > ----- > > src/arch/mips/utility.cc d222a22f78e9 > src/cpu/inorder/InOrderCPU.py d222a22f78e9 > src/cpu/inorder/cpu.hh d222a22f78e9 > src/cpu/inorder/cpu.cc d222a22f78e9 > src/cpu/inorder/first_stage.hh d222a22f78e9 > src/cpu/inorder/first_stage.cc d222a22f78e9 > > Diff: http://reviews.gem5.org/r/2158/diff/ > > > Testing > ------- > > All quick and long regressions still pass for > all ISAs. > > Using HelloWorld, I scaled the number of > instructions I fast-forward and see the > number of committed instructions scale > accordingly. The host_seconds stat also scales > accordingly, getting smaller as I fast-forward > for more instructions. This works for both the > MIPS InOrderCPU and O3CPU. > > > Thanks, > > Christopher Torng > > _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
