Re: [PATCH 1/1] hw/arm/sbsa-ref.c: Start APs powered off

[Rebecca Cran]

On 1/5/23 10:34, Peter Maydell wrote:

> This board disables QEMU's own PSCI implementation and relies on
> a guest EL3 firmware to provide PSCI. So how will that EL3
> firmware implement the "power on" to bring up the secondaries?
> QEMU has the APIs to allow implementation of a model of a
> hardware power controller (target/arm/arm-powerctl.h) but
> as far as I can see the sbsa-ref board doesn't yet implement
> one, so if you start the CPUs in the powered-off state there's
> no way for them ever to be powered on.

Sorry, I've been working on a machine where the power controller _was_ 
implemented so I missed that that's not present in sbsa-ref.

--
Rebecca Cran