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Re: [Qemu-ppc] [PATCH 4/6] openpic: don't crash on a register access wit

From: Alexander Graf
Subject: Re: [Qemu-ppc] [PATCH 4/6] openpic: don't crash on a register access without a CPU context
Date: Fri, 14 Dec 2012 19:20:24 +0100

On 14.12.2012, at 19:18, Scott Wood wrote:

> 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?

The boot CPU.


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