Subject: Re: what's at PA 0x04000000? (pearpc)
To: Hubert Feyrer <hubert@feyrer.de>
From: Matt Thomas <matt@3am-software.com>
List: port-macppc
Date: 05/20/2004 20:55:26
At 03:51 PM 5/20/2004, Hubert Feyrer wrote:

>Trying to run NetBSD/macppc inside pearpc (v0.2pre from CVS), the
>bootloader loads the kernel, says "start=800000", and then aborts:
>
>         [IO/Generic] <Warning> no one is responsible for address 04000000 
> (write: 00000000 from 0097a59c)
>         singlestep set from io.h:83, info:
>         machine check exception and MSR[ME]=0.
>         Abort (core dumped)
>
>I wonder what's at (probably physical) address 0x4000000 of a PowerMac?

Memory.  64MB is a reasonable memory address.  What's at 97a59c?
Kernels start at 0x100000, not 0x800000.


-- 
Matt Thomas                     email: matt@3am-software.com
3am Software Foundry              www: http://3am-software.com/bio/matt/
Cupertino, CA              disclaimer: I avow all knowledge of this message.