On Mon, 12 Nov 2012, Albert wrote:
Hello there!
I am kind of a newbie with gem5 so this may be a silly question. I am trying
to implement a method capable of looking up into the TLBs of the other CPUs
in the system in order to resolve a TLB miss. In order to do so, I should be
able to communicate with other processors' TLBs when an entry is not found in
the local TLB.
The system would be a parallel application running on a FS on an ARM
multi-processor system. It seems the src/arch/arm/tlb.xx uses the
ThreadContext to retrieve the correct TLB for that thread. I understand that
various ThreadContext may be pointing to the same process that is being
executed in parallel in various processors. So I guess I should find other
ThreadContext in the simulation pointing to the same process in order to
obtain their TLBs?
I am still trying to find a suitable approach to do so (to communicate with
other TLBs). If someone can point out a proper starting point it would be
highly appreciated.
Why not just create a list of all the tlbs when the tlb objects are
instantiated?
--
Nilay
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