Hi Alberto,
The CPU no longer has a clock. Rather, it belongs to a clock domain, that in
turn has a clock.
In any case, you probably want to keep the clock speed separate. Have a look at
configs/common/O3_ARM_v7a.py for a custom CPU config.
Andreas
From: Alberto Martinez via gem5-users
<gem5-users@gem5.org<mailto:gem5-users@gem5.org>>
Reply-To: Alberto Martinez <alber...@gmail.com<mailto:alber...@gmail.com>>,
gem5 users mailing list <gem5-users@gem5.org<mailto:gem5-users@gem5.org>>
Date: Tuesday, 20 May 2014 17:55
To: "gem5-users@gem5.org<mailto:gem5-users@gem5.org>"
<gem5-users@gem5.org<mailto:gem5-users@gem5.org>>
Subject: [gem5-users] Nehalem on gem5
Hello,
I am trying to use a Nehalem configuration that I found in this email list
right here:
http://comments.gmane.org/gmane.comp.emulators.m5.users/14015
But I am having some erros.
I moved to config/alberto the files included in the .tar that you can see in
the link I wrote (Nehalem.py, Nahalem.cfg y se2.py). And I run:
./build/X86_FS/gem5.opt configs/alberto/se2.py
--cfg=configs/alberto/nehalem.cfg
--cmd=./tests/test-progs/hello/bin/alpha/linux/hello
I found 2 errors complaining about 2 attributes in the BranchPredictor, and I
deleted them (cause there were not important for what I need to do), but I
still have some erros I cannot solve.
First I have:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/home/amartinez/gem5/src/python/m5/main.py", line 387, in main
exec filecode in scope
File "configs/alberto/se2.py", line 96, in <module>
detailed_cpu = Nehalem(cpu_id = 0, switched_out=detailed_switched_out,
**cpu_options)
File "/home/amartinez/gem5/src/python/m5/SimObject.py", line 672, in __init__
setattr(self, key, val)
File "/home/amartinez/gem5/src/python/m5/SimObject.py", line 767, in
__setattr__
% (self.__class__.__name__, attr)
AttributeError: Class Nehalem has no parameter clock
But "clock" attribute is defined in Nehalem.cfg like that:
[cpu]
type = nehalem
clock = 2GHz
I tried deleting it from there, and adding it in Nehalem.py like:
class Nehalem(DerivO3CPU):
clock = 2
LQEntries = 48
SQEntries = 32
LSQDepCheckShift = 0
LFSTSize = 1024
SSITSize = 1024
decodeToFetchDelay = 1
renameToFetchDelay = 1
....
But then I got this error:
File "<string>", line 1, in <module>
File "/home/amartinez/gem5/src/python/m5/main.py", line 387, in main
exec filecode in scope
File "configs/alberto/se2.py", line 7, in <module>
from Nehalem import *
File "configs/alberto/Nehalem.py", line 78, in <module>
class Nehalem(DerivO3CPU):
File "/home/amartinez/gem5/src/python/m5/SimObject.py", line 254, in __init__
setattr(cls, key, val)
File "/home/amartinez/gem5/src/python/m5/SimObject.py", line 348, in
__setattr__
"Class %s has no parameter \'%s\'" % (cls.__name__, attr)
AttributeError: Class Nehalem has no parameter 'clock'
Actually complaining because I added that parameter. What am I doing wrong? Am
I using this script and configuration wrong? How should I use it then?
Thanks a lot for your attention,
Alberto
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