Yes, support for some bare metal things will be in there in the next few weeks.
Ali On Jul 21, 2010, at 10:29 AM, françois-xavier morel wrote: > Thank you for your answer. > > but the problem is that I can't really change of compiler. > I am using m5sim to precisely simulate the executable obtained with this > compiler (arm-elf-gcc v.4.2.2). I checked and it supports the EABI. > > After some research I made today, I think the problem is more than the target > code is not meant to run on Linux but rather on bare metal. > Does that mean I will have to deal with the Full System implementation ARM_FS > (which does not yet exist) ? > > I'm still confused with the steps made by m5sim at the beginning of the > simulation and in particular the loading of the executable specified as > 'workload' of the cpu in the pyhton config file. Is this the write way to > specify the software I want to run on the CPU ? Is there an hidden bootloader > somewhere ? Does the SE mode boot a Linux and then launch the 'workload' as > a standard process ? > > I have had a hard time finding these information on the wiki or the web. > > > > ----- Original Message ----- > From: "Ali Saidi" <[email protected]> > To: "M5 users mailing list" <[email protected]> > Sent: Wednesday, July 21, 2010 4:44:41 PM GMT +01:00 Amsterdam / Berlin / > Bern / Rome / Stockholm / Vienna > Subject: Re: [m5-users] Simulating software with ARM_SE > > > The compiler you compiled your executable with is too old. You need to use > an compiler that supports the EABI. This one should do the trick: > http://www.codesourcery.com/sgpp/lite/arm/portal/release1293 > > Ali > > > On Wed, 21 Jul 2010 09:53:54 +0200 (CEST), françois-xavier morel > <[email protected]> wrote: >> Hi, >> >> I'm trying to simulate an ARM environment with m5sim (I got the version >> from the dev mercurial repository) and I stumble accross a problem of >> OS/ABI. >> Here is what I get when I try to run the simple 'se.py' with my > executable >> "test" : >> >> >> $ ./m5.debug ../../configs/example/se.py -c ~/Desktop/brouillon/test >> M5 Simulator System >> >> Copyright (c) 2001-2008 >> The Regents of The University of Michigan >> All Rights Reserved >> >> >> M5 compiled Jul 20 2010 15:20:05 >> M5 revision b543b8e5fcbc+ 7500+ default tip >> M5 started Jul 21 2010 09:42:13 >> M5 executing on rantanplan >> command line: ./m5.debug ../../configs/example/se.py -c >> /home/fxmorel/Desktop/brouillon/test >> Global frequency set at 1000000000000 ticks per second >> fatal: M5 does not support ARM OABI binaries. Please recompile with an >> EABI compiler. >> @ cycle 0 >> [create:build/ARM_SE/sim/process.cc, line 703] >> Memory Usage: 543084 KBytes >> For more information see: http://www.m5sim.org/fatal/8f5870d1 >> [1] 12832 exit 1 ./m5.debug ../../configs/example/se.py -c >> ~/Desktop/brouillon/test >> >> As the repository contains an already compiled exectuable for arm >> ("hello", which runs correctly), I compared the elf headers (with > readelf >> -h) of both file. >> And the OS/ABI field is indeed different. >> >> For the given "hello", it goes : >> OS/ABI: UNIX - System V >> >> And for my "test" : >> OS/ABI: ARM >> >> >> Why can't m5sim run a executable targeted for ARM ? What needs to be >> changed to get this working ? >> I'm still very new to m5sim, so it's possible i got something really > wrong. >> >> Thank you in advance. >> >> François-Xavier MOREL >> _______________________________________________ >> m5-users mailing list >> [email protected] >> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > _______________________________________________ m5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
