From: Michael Ellerman <michael@ellerman.id.au>
To: Scott Wood <scottwood@freescale.com>
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org
Subject: Re: [PATCH v4] Make instruction dumping work in real mode.
Date: Fri, 28 Sep 2007 08:57:26 +1000 [thread overview]
Message-ID: <1190933846.6601.1.camel@concordia> (raw)
In-Reply-To: <20070927183855.GA18226@loki.buserror.net>
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On Thu, 2007-09-27 at 13:38 -0500, Scott Wood wrote:
> On non-book-E-or-4xx, exceptions execute in real mode. If a fault happens
> that leads to a register dump, the kernel currently prints XXXXXXXX because
> it doesn't realize that PC is a physical address.
>
> This patch checks the state of the IMMU, and if necessary converts PC into a
> virtual address.
IMMU ?
cheers
--
Michael Ellerman
OzLabs, IBM Australia Development Lab
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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next prev parent reply other threads:[~2007-09-27 22:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-27 18:38 [PATCH v4] Make instruction dumping work in real mode Scott Wood
2007-09-27 18:44 ` Kumar Gala
2007-09-27 18:51 ` Olof Johansson
2007-09-27 22:57 ` Michael Ellerman [this message]
2007-09-27 23:01 ` Scott Wood
2007-09-28 9:37 ` Segher Boessenkool
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