Re: [Ltib] gcc + uclibc for e300 core

[Ryan Nowakowski]

Steve,

Any idea why my stuff would crash with "Illegal Instruction" using that
uclibc rpm?

- Ryan

On Mon, Dec 08, 2008 at 09:36:50AM +0000, Steve Papacharalambous wrote:
> Hi Ryan,
> 
> You are using the correct toolchain rpm for a uClibc system.  However
> this has been configured and built as a classic PowerPC architecture
> toolchain which should work on an e300c3 core.
> 
> If you need a toolchain that you can optimize the output for e300c3
> cores then you need to use the glibc toolchain:
> 
> http://www.bitshrine.org/gpp/freescale-powerpc-linux-gnu-4.2-187.i686.rpm
> 
> The flag: "-mcpu=e300c3" should be used,
> 
> Best regards,
> 
> Steve
> 
> On Fri, 2008-12-05 at 14:08 -0600, Ryan Nowakowski wrote:
> > Stuart,
> > 
> > We're using e300c3.
> > 
> > - Ryan
> > 
> > On Fri, Dec 05, 2008 at 06:23:50PM +0000, Stuart Hughes wrote:
> > > Hi Ryan,
> > > 
> > > I'm not an expert on this, but I may be able to find out.  Which chip
> > > are you targeting?  there's different e300 types (c2,c3)
> > > 
> > > Regards, Stuart
> > > 
> > > On Fri, 2008-12-05 at 11:41 -0600, Ryan Nowakowski wrote:
> > > > Hey Folks,
> > > > 
> > > > Does anyone know what gcc rpm I should use for an e300 core?
> > > > I'm currently using:
> > > > tc-fsl-x86lnx-ppc-uclibc-4.2.4-1.i386.rpm
> > > > 
> > > > ...but when I pass in -me300 I get:
> > > > cc1: error: unrecognized command line option "-me300"
> > > > 
> > > > ...even though powerpc-linux-uclibc-gcc --target-help shows -me300 as
> > > > a valid option.
> > > > 
> > > > Also, when I compile with it I get and "Illegal Instruction" error at 
> > > > runtime.
> > > > 
> > > > - Ryan
> > > 
> > > 
> > 
> > 
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> -- 
> Steve Papacharalambous
> Developer Technology.
> 
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