Re: [Qemu-devel] [PATCH v4 00/15] target-arm: Add CPU security extension enablement

[Peter Maydell]

On 15 December 2014 at 23:09, Greg Bellows <address@hidden> wrote:
> This patchset adds functionality for enabling the ARM CPU security extensions.
> At this time, the only machines supported are Versatile Express and the QEMU
> ARM virtual machines both with Cortex A9 & A15.
>
> The patchset establishes the default security state along with adding
> overriding controls of the state.  Booting with the "-kernel" QEMU command 
> line
> option will start by default in non-secure state with EL3 support disabled.
> Booting with the "-bios" QEMU command line option will default to
> secure state with EL3 features enabled.  An added "secure" machine property
> may be set to either 'on' or 'off' to override this default behavior.  For
> example, the below command line syntax would disable security extensions...
>
>     aarch64-softmmu/qemu-system-aarch64
>             -machine type=vexpress-a15,secure=off -kernel ...
>
> In order to add the machine specific 'secure' property, the vexpress machine
> object creation functionality needed to be updated.  The existing QEMU machine
> mechanism was replaced with proper type, class, and instance usage.

Thanks; applied all (including the dependencies) to target-arm.next.

-- PMM