Re: [Gems-users] Questions about load ruby in Simics and Power in opal

[Jayaram Bobba <bobba@xxxxxxxxxxx>]

https://lists.cs.wisc.edu/archive/gems-users/2007-October/msg00070.shtml

Dan Gibson wrote:
> This class of error (undefined unmangled symbol) is often a case where 
> a version flag somewhere in Gems is improperly set. Be sure that you 
> set your SIMICS_VERSION flags appropriately like it says in the GEMS 
> Wiki, and then be sure to make clean.
> Regards,
> Dan
>
> Cihat Basol wrote:
> > Hi Yang,
> >
> > I faced the exact same error. The thing is that in simics 3.0, 
> > SIM_hap_register_callback is obsolete. You can just go into ruby.c 
> > file and comment out the lines that includes that function. There are 
> > in fact 4 or 5 of those functions mostly about mmu. But I am not sure 
> > if it is the right thing to do. However, I haven't encountered any 
> > problem due to disabling those callback so far.
> > Thanks,
> > Cihat.
> >
> >
> > On Jan 11, 2008 5:49 AM, Guoqiang Yang <nkyangguoqiang@xxxxxxxxx 
> > <mailto:nkyangguoqiang@xxxxxxxxx>> wrote:
> >     Hi there,
> >     I have two questions now, would anyone know these issues?
> >      
> >     1. In fact I have posted this question two weeks ago, but didn't
> >     get any information, and I would like to post it a second time in
> >     case that some of you guys were on holidy at that time. 
> >      
> >     I'm now using GEMS2.0. And I configured the simulation system
> >     using MOESI_CMP_directory protocol. And the system was configured
> >     as 4-processor 4-l2 banks and 4 memories. Now, I can run tester
> >     in ruby. But when I tried to load ruby into simics, the following
> >     error occured.
> >      
> >     Error loading module 'ruby': Failed to load module 'ruby'
> >     ('/scratch/cerberus/guoyang/simulators/Gems/2.0GEMS/simics_3_workspace/x86-linux/lib/ruby.so'):
> >     "undefined symbol: SIM_hap_register_callback"
> >       
> >     And I checked Gems1.4, there is no function call of
> >     SIM_hap_register_callback. Is there anyone know how to solve this
> >     problem or explain why would this happen?
> >      
> >     2. I also noticed that there is a "power" directory in opal and I
> >     also found the wattch power in opal. My question is: is the power
> >     thing in opal the same as in Wattch, and does this piece of code
> >     work properly or tested properly?
> >      
> >     Many thanks,
> >      
> >     Guoqiang Yang
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> >
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