From: Scott Wood <scottwood@freescale.com>
To: Alexander Graf <agraf@suse.de>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 4/6] openpic: don't crash on a register access without a CPU context
Date: Fri, 14 Dec 2012 12:18:42 -0600 [thread overview]
Message-ID: <1355509122.4740.2@snotra> (raw)
In-Reply-To: <B20683A9-43C9-4D0A-8C8B-ACD759B6AD90@suse.de> (from agraf@suse.de on Fri Dec 14 06:35:12 2012)
On 12/14/2012 06:35:12 AM, Alexander Graf wrote:
>
> On 14.12.2012, at 03:12, Scott Wood wrote:
>
> > If we access a register via the QEMU memory inspection commands
> (e.g.
> > "xp") rather than from guest code, we won't have a CPU context.
> > Gracefully fail to access the register in that case, rather than
> > crashing.
>
> Can't we set cpu_single_env in the debug memory access case? I'm not
> sure this is the only device with that problem, and by always having
> cpu_single_env available we would completely get rid of the whole bug
> category.
Which CPU would you pick?
-Scott
next prev parent reply other threads:[~2012-12-14 18:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-14 2:11 [Qemu-devel] [PATCH 0/6] openpic: first batch of cleanups and minor fixes Scott Wood
2012-12-14 2:11 ` [Qemu-devel] [PATCH 1/6] openpic: symbolicize some magic numbers Scott Wood
2012-12-14 2:12 ` [Qemu-devel] [PATCH 2/6] openpic: remove pcsr (CPU sensitivity register) Scott Wood
2012-12-14 2:12 ` [Qemu-devel] [PATCH 3/6] openpic: support large vectors on FSL mpic Scott Wood
2012-12-14 2:12 ` [Qemu-devel] [PATCH 4/6] openpic: don't crash on a register access without a CPU context Scott Wood
2012-12-14 12:35 ` Alexander Graf
2012-12-14 18:18 ` Scott Wood [this message]
2012-12-14 18:20 ` Alexander Graf
2012-12-14 21:42 ` Scott Wood
2012-12-14 21:58 ` Alexander Graf
2012-12-15 8:48 ` [Qemu-devel] [Qemu-ppc] " Blue Swirl
2012-12-14 2:12 ` [Qemu-devel] [PATCH 5/6] openpic: BRR1 is not a CPU-specific register Scott Wood
2012-12-14 2:12 ` [Qemu-devel] [PATCH 6/6] openpic: s/opp->nb_irqs -1/opp->nb_cpus - 1/ Scott Wood
2012-12-14 12:37 ` [Qemu-devel] [PATCH 0/6] openpic: first batch of cleanups and minor fixes Alexander Graf
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