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Re: [Qemu-devel] [PATCH v1 2/2] target-arm: Extend PAR format determinat


From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v1 2/2] target-arm: Extend PAR format determination
Date: Tue, 19 Sep 2017 10:04:49 +0100

On 19 September 2017 at 05:43, Edgar E. Iglesias
<address@hidden> wrote:
> On Mon, Sep 18, 2017 at 04:50:23PM +0100, Peter Maydell wrote:
>> I'm currently running into a similar issue with M profile,
>> where at the moment we stuff the information about what
>> kind of fault the MPU generates into a v7PMSA format
>> FSR value and reinterpret it into M profile exception
>> types and fault status register bits later. This works
>> OK, but for v8M we want to start reporting kinds of fault
>> (like SecureFault) that don't have equivalents in v7PMSA
>> at all, and maybe it would be better to clean this up rather
>> than assigning arbitrary bogus fsr values for internal use...
>
> I see, yes that sounds like a similar issue.
> If you'd like to take over this, that'd be great :-)

For the moment I've taken the easy approach of using dummy
FSR values. We'll see if that gets through code review :-)

thanks
-- PMM



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