?Loading and debugging a linux kernel on a walnut board with a BDI2000

Mark Powell medp at primagraphics.co.uk
Tue Jul 3 02:37:24 EST 2001

Ah yes, that's right - Scott reminded me. The vmlinuz-walnut file is in the
image format for the IBM Treeboot mechanism.

When I moved to PPCBoot for the boot ROM (http://ppcboot.sourceforge.net) I
had make a PPCboot image from the plain kernel image, which is in

You might tree using this file with the BDI2000.

Mark Powell, Senior Software Engineer, Primagraphics Limited
New Cambridge House, Litlington, nr.Royston, Herts, SG8 0SS, UK
Tel. +44 1763 852222, Fax. 853324, http://www.primagraphics.co.uk

----- Original Message -----
From: "Scott Anderson" <scott_anderson at mvista.com>
To: "ibm405gp" <ibm405.linux at laposte.net>
Cc: <linuxppc-embedded at lists.linuxppc.org>
Sent: Monday, July 02, 2001 5:23 PM
Subject: Re: ?Loading and debugging a linux kernel on a walnut board with a

ibm405gp wrote:
> My "vmlinuz-walnut" file generated with "make zImage" (with mvista
> toolschain) seems invalid for
> the bdi2000 but it works fine with 1.15 ROM Monitor

It's been a while since I played with it, but as I recall the makefile
tacks on a header to create an IBM Evaluation Board image.  To figure
out what it is doing, you might want to look in
arch/ppc/boot/tree/Makefile for something called mkevimg.

    Scott Anderson
    scott_anderson at mvista.com   MontaVista Software Inc.
    (408)328-9214               1237 East Arques Ave.
    http://www.mvista.com       Sunnyvale, CA  94085

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