Re: [PATCH] hw/arm/xilinx_zynq: Enable Security Extensions

[Sebastian Huber]

Hello Peter,

----- Am 29. Aug 2024 um 14:50 schrieb Peter Maydell peter.maydell@linaro.org:

> On Wed, 28 Aug 2024 at 01:51, Sebastian Huber
> <sebastian.huber@embedded-brains.de> wrote:
>>
>> The system supports the Security Extensions (core and GIC).  This change is
>> necessary to run tests which pass on the real hardware.
>>
>> Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
> 
> (Added the maintainers to cc.)
> 
> Does the system have any secure-only devices, RAM, etc?
> 
> How much testing have you done with this change? (The main
> reason we disabled has-el3 on this board back in 2014 was
> as a backwards-compatibility thing when we added EL3 support
> to the CPU model -- we didn't have a ton of images for the
> board so we erred on the safe side of not changing the
> behaviour to avoid potentially breaking existing guest code.)

I only tested this change with the RTEMS test suite. I added new tests for the 
exception handling and this change was necessary to trigger FIQs.

I haven't used this machine to work with Linux so far.

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