That's set using python. If you look at the src/cpu/o3/O3CPU.py, you can
see what all the parameters are on o3 cpu objects which are available to
your configuration scripts. That file is used to generate the params.hh
file you found which helps to connect the python and C++ versions of
objects.
Gabe
nathaniel jones wrote:
Hello all,
How does one change cpu pipeline parameters such as Fetchwidth or
Decodewidth? Which files should be edited? I tried looking for it but
I couldn't find it. I found params.hh in m5/build/ALPHA_SE/cpu/o3
where the parameters are listed but I doubt that that's it since the
parameters were only declared and not defined. Are these parameters
determined at the C++ level, or does it come from the Python level?
Thanks!
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