Date: Fri, 12 Sep 2003 13:13:48 -0700 (PDT)
From: Judith Lebzelter <judith@osdl.org>
To: Tom Rini <trini@kernel.crashing.org>
cc: <linux-kernel@vger.kernel.org>, <plm-devel@lists.sourceforge.net>
Subject: Re: PowerPC Cross-compile of 2.6 kernels
In-Reply-To: <20030912165635.GJ13672@ip68-0-152-218.tc.ph.cox.net>
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On Fri, 12 Sep 2003, Tom Rini wrote:

> On Fri, Sep 12, 2003 at 09:52:23AM -0700, Judith Lebzelter wrote:
>
> > On Fri, 12 Sep 2003, Tom Rini wrote:
> >
> > > On Wed, Sep 10, 2003 at 04:41:05PM -0700, Judith Lebzelter wrote:
> > > > Hello,
> > > >
> > > > In response to requests at OLS, we've added cross-compile
> > > > capability to the PLM, and the first architecture
> > > > implemented is PowerPC.  The powerpc code is
> > > > generated via a cross-compiler set up using Dan
> > > > Kegels's crosstool-0.22 on an i386 host using gcc-3.3.1,
> > > > glibc-2.3.2 and built for the powerpc-750.
> > > >
> > > > The filter run is the compile regress developed by John
> > > > Cherry at OSDL.  Refer to his prior mail on lkml for the
> > > > results of this filter on ia386 and IA64.
> > > >
> > > > Look at
> > > >     http://www.osdl.org/plm-cgi/plm?module=search
> > > > and look up linux-2.6.0-test5 or any later kernels for the
> > > > results of this filter under 'PPC-Cross Compile Regress'.
> > > >
> > > > Does anyone have any input regarding requests for
> > > > additional architectures or improvements to the
> > > > filters?  Please cc me in any responses to lkml as I do
> > > > not currently monitor this list, though other OSDL
> > > > employees do.
> > >
> > > Is there any way to seed the config so that it will override what
> > > allmodconfig (or allyesconfig) sets?  Both of these targets by nature
> > > pick an 'odd' machine to compile for.
> > >
> >
> > The 'allmodconfig' is what we run, and it chose
> > #
> > # Platform support
> > #
> > CONFIG_PPC=y
> > CONFIG_PPC32=y
> > CONFIG_6xx=y
> >
> > #
> > # IBM 4xx options
> > #
> > CONFIG_EMBEDDEDBOOT=y
> > CONFIG_8260=y
> > CONFIG_PPC_STD_MMU=y
> > CONFIG_SERIAL_CONSOLE=y
> > # CONFIG_EST8260 is not set
> > # CONFIG_SBS8260 is not set
> > # CONFIG_RPX6 is not set
> > # CONFIG_TQM8260 is not set
> > CONFIG_WILLOW_1=y
> >
> > I had to change this to do TQM8260 because the header file willow.h is
> > missing and the number of errors for this one file made the compile look
> > far worse than it actually was.  If you suggest something, I will
> > change it.
>
> Don't select 8260 at all, and then the default choice should be
> CONFIG_PPC_MULTIPLATFORM, which is normally the best choice.
>

I have changed it.  Thanks for the input.

I've also started a web page to summarize the ppc filter output for
2.6 base and mm kernel releases:
	http://www.osdl.org/archive/plm/ppc

Judith

> I suppose this is more incentive for removing the rather bogus
> distinction made for 8260 boards.
>
> > I also realize that my output should include any changes I make to the
> > configurations and have that changed right away.
> >
> > We are also adding the 'allyesconfig' and will apply the same platform
> > changes as to 'allmodconfig'.
>
> Okay, thanks.
>
>


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