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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] Potential sparc32 MMU bug
Date: Fri, 16 Feb 2007 17:01:59 +0000
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To: qemu-devel@nongnu.org
Cc: Peter <pjcreath+openbios@gmail.com>

On Friday 16 February 2007 16:55, Peter wrote:
> While working on getting SunOS to boot under qemu, I ran into a very
> odd bug, and I'm not sure whose fault it is.
>
> The SunOS bootloader tries to install trap 0 by writing to the trap
> table.  The trap table is in the .text (read-only) section of the
> OpenBIOS ROM.

I don't know about sparc, but it's normal for writes to ROM to be ignored.
However by my reading the sparc bios is loaded into RAM anyway, so it 
shouldn't matter.

Paul