From: Scott Wood <scottwood@freescale.com>
To: michael@ellerman.id.au
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org
Subject: Re: [PATCH v4] Make instruction dumping work in real mode.
Date: Thu, 27 Sep 2007 18:01:25 -0500 [thread overview]
Message-ID: <46FC3645.70303@freescale.com> (raw)
In-Reply-To: <1190933846.6601.1.camel@concordia>
Michael Ellerman wrote:
> 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 ?
Instruction Memory Management Unit.
-Scott
next prev parent reply other threads:[~2007-09-27 23:01 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
2007-09-27 23:01 ` Scott Wood [this message]
2007-09-28 9:37 ` Segher Boessenkool
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