Execution time different

[Arquer Stephane]

How is it enabled ?
Is ir done by Trtems or by the bootloader ?


> -----Message d'origine-----
> De : Joel Sherrill [mailto:joel.sherrill at oarcorp.com] 
> Envoyé : vendredi 4 avril 2008 18:19
> À : Arquer Stephane
> Cc : rtems-users at rtems.com
> Objet : Re: Execution time different
> 
> 
> Arquer Stephane wrote:
> > Hello,
> >
> > I use a leon2  cpu and I have two way to load the code.
> > The first one is grmon and the other is Redboot with a binary file 
> > generated by sparc-rtems4.7-objcopy -O binary file.elf file.bin. I 
> > don't have the same behaviour with the same code. With 
> grmon, a calcul 
> > function last 120ms With redboot, this function last 340ms
> >
> > I check MCFG2 :
> > Grmon:    03801460
> > Redboot: B0801460
> >
> > And I modified it in grmon but the time is always 120ms.
> >
> > Does anyone know what is initialise by grmon which is not done by 
> > Redboot ?
> >
> >   
> Is caching enabed in both configurations?
> 
> --joel
> > Thanks for help.
> >
> >
> > sa
> >
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> > rtems-users at rtems.com 
> > http://rtems.rtems.org/mailman/listinfo/rtems-users
> >   
> 
> 
> -- 
> Joel Sherrill, Ph.D.             Director of Research & Development
> joel.sherrill at OARcorp.com        On-Line Applications Research
> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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> 
> 
>