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Re: [Qemu-devel] [PATCH v2 01/23] target-arm: add new CPU feature for Se


From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v2 01/23] target-arm: add new CPU feature for Security Extensions
Date: Wed, 21 May 2014 15:46:25 +0100

On 13 May 2014 17:15, Fabian Aggeler <address@hidden> wrote:
> From: Svetlana Fedoseeva <address@hidden>
>
> Define Security Extensions CPU feature. Set that feature for relevant CPUs.

This is potentially tricky because it means that CPUs which we were
previously implementing without TZ now boot up with TZ and in
Secure mode; I think this is probably the right thing but we'll need
to check that we don't break guests which were really expecting
to run in NS.

(Also I'm not sure what the semantics of -kernel should be for
TZ-supporting CPUs -- boot the kernel in S or NS ?)

thanks
-- PMM



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