Hello Kazi, Take a look at configs/example/gem5_library/arm-hello.py. It is a good example of SE mode for ARM ISA. If you are interested in instantiating a memory module look at lines 47, and 62 from the same file. P.S. I'm checking out the stable branch on the gem5 repo (Hash: 141cc37c2d4b93959d4c249b8f7e6a8b2ef75338).
Best Regards, On Mon, Mar 7, 2022 at 1:17 PM Kazi Asifuzzaman <kazi.asifuzza...@gmail.com> wrote: > Hi Mahyar, > > Thanks for your mail and suggestions. Could you please give examples of: > 1. How to use gem5 standard library to configure a system, instead of > using se.py? > 2. How to use standard library API to instantiate a memory? > > Thanks, > > Kazi > > On Fri, Mar 4, 2022 at 1:43 PM Mahyar Samani <msam...@ucdavis.edu> wrote: > >> Hello Kazi, >> >> Thanks for reaching out. Yes, I am aware of the problem. Fortunately, the >> issue is not with gem5/DRAMSim3 integration. Rather, it's just caused by >> some of the differences between gem5 and DRAMSim3 memory controller. I >> assume you are using either of the se.py or fs.py in src/config/example. I >> can propose a quick solution to your problem. However, we believe using >> se.py/fs.py to do your simulation is not the best solution. We have >> recently added the gem5 standard library that makes it easier for you to >> configure the system you want to simulate. Back to the solution, fs.py and >> se.py use api from src/config/common/MemConfig.py to configure the memory >> components in the system (this does not include caches). What you'll need >> to do (reminder: this a quick solution) is to find calls to api from >> MemConfig.py in se.py/fs.py (whichever one you are using) and remove >> those calls and instantiate the memory yourself. The standard library has a >> really easy api to instantiate a memory. Please look at >> src/python/gem5/components/memory/dramsim_3.py for memories from DRAMSim3. >> I hope this is helpfull, if you needed further help, please feel free to >> reach out to me (I have a deadline today at 11:59 pm PST and will respond >> asap after that). I would appreciate it if you could send your questions to >> the gem5 mailing list. This way, other people would also be aware of the >> bugs and inconsistencies in the repo and it definitely makes it a bigger >> priority to be solved. Feel free to cc me so I make sure to respond as >> quickly as possible. >> >> Best Regards, >> >> On Fri, Mar 4, 2022 at 10:23 AM Kazi Asifuzzaman < >> kazi.asifuzza...@gmail.com> wrote: >> >>> Good Afternoon Mahyar, >>> >>> From a gem5 discussion group, it appears that you are managing (a part >>> of) the gem5 project. I am trying to integrate Gem5 with DRAMSim3 (the way >>> it explains in ext/dramsim3/README), but when the try to use >>> --mem-type=DRAMsim3 to run the simulation it says: AttributeError: >>> object 'DRAMsim3' has no attribute 'controller' >>> >>> Could you please shed some light on it? In a mail thread I see that you >>> were working on a fix for this, could you resolve this issue? >>> >>> Many thanks for your time, >>> >>> *Kazi * >>> >> >> >> -- >> Mahyar Samani >> PhD Student >> Research Assistant at *DArchR <https://arch.cs.ucdavis.edu/>* >> University of California, Davis >> May the Force be with you. >> > -- Mahyar Samani PhD Student Research Assistant at *DArchR <https://arch.cs.ucdavis.edu/>* University of California, Davis May the Force be with you.
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