From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Peter <pjcreath+openbios@gmail.com>
Subject: Re: [Qemu-devel] Potential sparc32 MMU bug
Date: Fri, 16 Feb 2007 17:01:59 +0000 [thread overview]
Message-ID: <200702161701.59960.paul@codesourcery.com> (raw)
In-Reply-To: <d40b362a0702160855u4613bc76l77cf962517358bac@mail.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
next prev parent reply other threads:[~2007-02-16 17:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-16 16:55 [Qemu-devel] Potential sparc32 MMU bug Peter
2007-02-16 17:01 ` Paul Brook [this message]
2007-02-16 18:17 ` Peter
2007-02-16 18:25 ` Paul Brook
2007-02-16 18:45 ` Peter
2007-02-16 22:50 ` Peter Creath
2007-02-17 8:21 ` Blue Swirl
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