Aren't they created from a Python script as a SimObject and accesible by
the CPU used through a Param of it?
I mean, if I mentioned Python scripts, to begin with, was because I
though the System objects were created there. But also, as I said, I'm
still trying to figure out how it works.
El 13/11/12 13:28, Nilay Vaish escribió:
On Tue, 13 Nov 2012, Albert wrote:
Ok, that seems to make sense, being also a simpler approach, but
where exactly it should be done? Objects are instantiated from python
scripts, so I imagine you are thinking about a parameter for one of
those scripts? Also, TLBs are instantiated from the CPU (itb and
dtb), but I want to collect the TLBs of each cpu on the System. CPUs
are instantiated in m5/simulate.py along other objects descending
from Root, but I'm not sure how to retrieve the TLBs from there. I'm
not really used to the Python/C++ mixture in the config, and grep
search where the objects are instantiated is a bit hard. So it is not
really clear to me how to proceed.
And if I finally manage to create that list, if it is a parameter on
a script as mentioned, how can I make it accesible from the tlb.cc
class?
Forget about python part of gem5 for the time being. Think purely from
C++ point of view. You have a class named TLB. Whenever an object of
this class is created you need to add it to a list. So, you need to
create a list before any of the TLB objects have been created and you
need to figure out when a TLB object is created. If you just think
C++, you should be able to make out how to do both of these.
--
Nilay
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