Problem for compiling linux-2.2.5-embedded

Problem for compiling linux-2.2.5-embedded

[sébastien tadéoni]

Hi All,

I've some problems with the cross-compilation of the 2.2.5-embedded
kernel for MPC860 (configure for a MBX card).

I followed the www.members.home.com/mmporter/cross.html instructions
for building my own environment and when I want to create the zImage I
have this current errors:

ppc_ksyms.c:77:'isa_io_base' undeclared here (not in a fonction)

ppc_ksyms.c:77:'initializer element for '--ksymtab_isa_io_base.value'
is not constant

In the ppc_ksyms.c I see EXPORT_SYMBOL(isa_io_base) and I don't no what
it minds.

For installing the binutils and the egcs-1.1.2 compiler I had to change
$PATH and add the /usr/local/bin address.
Was it wrong?

I will appreciate any suggestions and help on this subject.

Have a good day.

Sébastien.


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Re: Problem for compiling linux-2.2.5-embedded

[Brendan Simon]

sébastien tadéoni wrote:

> I've some problems with the cross-compilation of the 2.2.5-embedded
> kernel for MPC860 (configure for a MBX card).
>
> ppc_ksyms.c:77:'isa_io_base' undeclared here (not in a fonction)
>
> ppc_ksyms.c:77:'initializer element for '--ksymtab_isa_io_base.value'
> is not constant
>
> In the ppc_ksyms.c I see EXPORT_SYMBOL(isa_io_base) and I don't no what
> it minds.

First join the new linuxppc-embedded mailing list.  This is a ppc-embedded
problem and there is no need to hassle the ppc-users or ppc-developers.

I had these problems too.  It is definately a configuration problem.  I am
using the latest embedded source mpc8xx-2.3.10.tgz but had the same
problems with embedded-2.2.5.  Send your .config file.

Things you should NOT have included are :
- serial support and serial-console support.  I know this sounds wrong but
that's the way it is.
- virtual terminals
- make sure that no network cards are selected.

Brendan Simon.

PS. I think there is a sample configuration file in embedded-notes.txt or
mbx-notes.txt on the ftp site.


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Re: Problem for compiling linux-2.2.5-embedded

[Dan Malek]

Brendan Simon wrote:

> Things you should NOT have included are :
> - serial support and serial-console support.  I know this sounds wrong but
> that's the way it is.


It's that way because selecting any 8xx automatically configures
a serial console. You can't get a serial console without selecting
PC-Style uarts.  You can't select PC-Style uarts on the 8xx because
they assume they are the only serial ports on a system and that
is where a console belongs.  This prevents using the 8xx CPM
serial ports.

We should change this to allow both PC uarts and the CPM uarts
to co-exist.  The only board I know of that mixes these is the
MBX, so it is low on my list of things to do.


> PS. I think there is a sample configuration file in embedded-notes.txt or
> mbx-notes.txt on the ftp site.

That is pretty out of date.  I need to create a real configuration
file that is kept with the kernel sources.


	-- Dan

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