The last thing that Tao forgot to mention is to use options.robsize to set
the value of numROBEntries (numROBEntries is defined in
src/cpu/o3/O3CPU.py).
Amin
On Tue, Jul 16, 2013 at 5:06 PM, Tao Zhang <tao.zhang.0...@gmail.com> wrote:
> Hi Mahshid,****
>
> ** **
>
> You can use the “add_option” to add any desired options in the command
> line. To do this, you just add the line below (or something like it) at the
> beginning of your fs.py. ****
>
> ** **
>
> parser.add_option("-rob", "--robsize", type="int", default=128,
> help=”specify the rob size”);****
>
> ** **
>
> Then, after all options (including the default options and personalized
> options) have been parsed (in other words, the variable ‘options’ is
> initialized), you can simply leverage the option below.****
>
> ** **
>
> options.robsize****
>
> ** **
>
> After this, you can use the option in the command line, like****
>
> ** **
>
> gem5.opt configs/example/se.py --robsize=64 ……****
>
> ** **
>
> Note that if your option includes dash “-”, it will be converted into
> underscore “_”. For example, “--rob-size” produces representative
> “options.rob_size”. ****
>
> ** **
>
> Also, it is pretty helpful if you look at the Options.py to see how the
> default options are added into the system. The file is in configs/common/.
> ****
>
> ** **
>
> -Tao****
>
> ** **
>
> ** **
>
> *From:* gem5-users-boun...@gem5.org [mailto:gem5-users-boun...@gem5.org] *On
> Behalf Of *Mahshid Sedghi
> *Sent:* Tuesday, July 16, 2013 4:35 PM
> *To:* gem5 users mailing list
> *Subject:* [gem5-users] (no subject)****
>
> ** **
>
> Hello,****
>
> ** **
>
> I want to introduce a new option to the simulation script to define the
> ROB size, since I am doing experiments with different ROB sizes and would
> like to skip the procedure of rebuilding the gem5 again and again for
> different ROB sizes. Basically, I need to do a similar thing as the thread
> below:****
>
> ** **
>
> http://www.mail-archive.com/gem5-users@gem5.org/msg00480.html****
>
> ** **
>
> I am not still sure how to relate the option with the cpu parameters. I'd
> appreciate it if someone can give me some hints.****
>
> ** **
>
> Thanks,****
>
> Mahshid****
>
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