[uClinux-dev] S3C4410 and linux 2.6

xavier.montagne xavier.montagne at wanadoo.fr
Tue Oct 18 08:37:06 EDT 2005


Hi Greg

Thanks for this very detailed information.
I will try the last 2.6 you have released with my 2410.

Xavier

----- Original Message -----
From: "Greg Ungerer" <gerg at snapgear.com>
To: "uClinux development list" <uclinux-dev at uclinux.org>
Sent: Monday, October 17, 2005 2:38 AM
Subject: Re: [uClinux-dev] S3C4410 and linux 2.6


> Hi Xavier,
>
> xavier.montagne wrote:
> > Thanks once more for your answers ;-)
> > I would like to clarify one point : is it possible to enable or disable
the
> > MMU in a uClinux 2.6 release from the xconfig or menuconfig panels ?
>
> Yes.
>
>
> > If so
> > then it is possible to run the 2410 (ARM920T) with the MMU capability
enable
> > !
> > I though that uClinux was only for mmuless target... but maybe I'm
wrong...
>
> uClinux is the name of the code support for running without an MMU.
> It is irrespective of whether your processor actually has an MMU
> or not. But in practice very few people want to run with the MMU
> disbaled on processors that have them.
>
>
> > Does the linux 2.6 contain the uClinux 2.6 code so that you can select
the
> > MMU or not ?
>
> The core uClinux support is in stock 2.6 kernels, as is the architecture
> support for m68k/ColdFire, v850, h8300, sh. Currently there is no
> support for the ARM mmuless in stock kernes. You need to get the
> separate patch set.
>
>
> ... or are uClinux 2.6 and Linux 2.6 something still realy
> > different ?
>
> No, they are basically the same. The uClinux 2.6 patches are a
> place for testing new features, bug fixes, etc, before they
> are merged into Linus kernels.
>
> Regards
> Greg
>
>
>
> > ----- Original Message -----
> > From: "Greg Ungerer" <gerg at snapgear.com>
> > To: "uClinux development list" <uclinux-dev at uclinux.org>
> > Sent: Friday, October 14, 2005 5:59 AM
> > Subject: Re: [uClinux-dev] S3C4410 and linux 2.6
> >
> >
> >
> >>Hi Xavier,
> >>
> >>xavier.montagne wrote:
> >>
> >>>Did anyone try to use the debian linux 2.6 release with the S3C2410
from
> >>>Samsung ?
> >>
> >>If the debian linux 2.6 release contains a Linus kernel then it
> >>won't have the arm mmuless code support (which isn't in mainline
> >>kernels yet).
> >>
> >>
> >>
> >>>Can you easily enable and disable the MMU feature in the 2.6 uClinux or
> >
> > is
> >
> >>>it a "build-in" release with no MMU settings ??
> >>
> >>If I understand your question, it is a built-in. As such you have
> >>to select if you want to use the MMU at compile time. You cannot
> >>runtime select that.
> >>
> >>Regards
> >>Greg
> >>
> >>
> >>
> >>------------------------------------------------------------------------
> >>Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg at snapgear.com
> >>SnapGear -- a CyberGuard Company            PHONE:       +61 7 3435 2888
> >>825 Stanley St,                             FAX:         +61 7 3891 3630
> >>Woolloongabba, QLD, 4102, Australia         WEB: http://www.SnapGear.com
> >>_______________________________________________
> >>uClinux-dev mailing list
> >>uClinux-dev at uclinux.org
> >>http://mailman.uclinux.org/mailman/listinfo/uclinux-dev
> >>This message was resent by uclinux-dev at uclinux.org
> >>
> >
> >
> >
> > _______________________________________________
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> > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev
> > This message was resent by uclinux-dev at uclinux.org
> >
>
> --
> ------------------------------------------------------------------------
> Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg at snapgear.com
> SnapGear -- a CyberGuard Company            PHONE:       +61 7 3435 2888
> 825 Stanley St,                             FAX:         +61 7 3891 3630
> Woolloongabba, QLD, 4102, Australia         WEB: http://www.SnapGear.com
> _______________________________________________
> uClinux-dev mailing list
> uClinux-dev at uclinux.org
> http://mailman.uclinux.org/mailman/listinfo/uclinux-dev
> This message was resent by uclinux-dev at uclinux.org
>





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