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SubjectRe: PowerPC Cross-compile of 2.6 kernels
On Fri, Sep 12, 2003 at 02:32:43PM -0700, Tom Rini wrote:
> On Fri, Sep 12, 2003 at 01:13:48PM -0700, Judith Lebzelter wrote:
> > 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.
>
> Okay. And this motivated me to fix the root issue, and make 8260 be
> just another classic PPC set of boards. I'll let you know when this
> gets into Linus' tree.

As of 2.6.0-test6, allyesconfig (with no fiddling of other options)
on PPC is as sane as it's going to be. :)

--
Tom Rini
http://gate.crashing.org/~trini/
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