The execute methods are all generated upon compiling M5. They're
described in our ISA description language in the m5/arch/alpha/isa_desc
file, and when they are generated they are placed in the
m5/build/ALPHA_*/arch/alpha/ directory. After you compile M5 there
should be decoder.hh, decoder.cc, and several *_exec.cc files in there.
Those 3 files describe the classes for all of the instructions, and
their execution methods. Each *_exec.cc file is for a specific CPU
model; they are all almost identical, other than the function arguments
and some include files.
Hopefully this helps,
Kevin
Shruti Karbhari wrote:
Hello everybody:
I am not very clear with instruction execution under the FullCPU model
in M5. I gathered from the documentation that in
cpu/static_inst_impl.hh, the execute() function is defined as a pure
virtual function for different CPU models. However I am not able to
find the actual implementation of the function. Can someone please
point me to the correct file?
Thanks & Regards,
Shruti
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