Hi Gabe,
You mentioned that there's a configuration option for the kernel that sets how
many CPUs it supports in X86 FS mode. Do you mean the config files
"config-x86.tar" at http://www.m5sim.org/Download. How to apply such
configuration and set it to support 64-core?
Thanks.
Xuhao Chen
PhD student
School of Computer
National University of Defense Technology
Changsha, Hunan, P.R.China, 410073
Tel: +86-159-741-03340 (Mobile)
From: Gabe Black
Date: 2012-02-29 04:42
To: gem5-users
Subject: Re: [gem5-users] How to boot SPARC FS?
On 02/28/12 09:27, Gedare Bloom wrote:
> On Tue, Feb 28, 2012 at 11:15 AM, Xuhao Chen <[email protected]> wrote:
>> Hi Gedare,
>>
>> I have read your blog "a week in m5". And I have a question about m5.
>> The Solaris 10 binary image for SPARC includes "reset.bin, q.bin,
>> openboot.bin" etc.
>> I copy *.bin and nvram1 from OpenSPARCT1_Arch.1.5/S10image/ to
>> the /dist/m5/system/binaries/ directory.
>> Also rename reset.bin, q.bin, and openboot.bin to reset_new.bin, q_new.bin,
>> and openboot_new.bin, which are the binaries expected by the m5 SPARC_FS
>> scripts.
>> Then
>> copy disk.s10hw2 from the S10image/ directory to the /dist/m5/system/disks/
>> directory.
>> But when booting the system, it still cannot find the kernel file:
>>
>> info: No kernel set for full system simulation. Assuming you know what
>> you're doing...
>>
>> Do you know the reason? Should I use the option --kernel to specify the
>> kernel file? But which one is the kernel file?
>> By the way, how many CPUs can gem5 run in SPARC FS mode? I know that it can
>> be up to 64 CPUs in Alpha FS mode.
>> Thanks.
>>
> It has been awhile since I worked with GEM5 so I cannot be certain;
> that post is nearly 2 years old so a lot may have changed since then.
> I did not have to specify a --kernel option, and the fs.py
> (FSConfig.py) had all the options set to point toward the OpenBoot
> binary files and example disk containing the OpenSolaris image. The
> info message does not necessarily mean there is a problem, and if you
> connect with m5term you might still reach the OpenBoot prompt anyway.
>
> When I was using the SPARC_FS only 1 core was supported. Maybe someone
> has been developing this port but I am not aware. Unless you are
> really committed to the SPARC architecture, I would suggest trying one
> of the other CPU models.
>
> Good luck,
> Gedare
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Also I should point out that I think image is for booting Solaris, I
think, not Linux. I don't think we got SMP working for SPARC FS, but I
don't really remember.
Gabe
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