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Re: [Qemu-devel] [RFC v1 2/2] arm: boot: Add EL jump-down code for Linux


From: Peter Maydell
Subject: Re: [Qemu-devel] [RFC v1 2/2] arm: boot: Add EL jump-down code for Linux
Date: Mon, 1 Sep 2014 18:15:38 +0100

On 19 August 2014 01:54, Peter Crosthwaite <address@hidden> wrote:
> Linux should boot in EL2 or EL1. If in EL3, jump down before handing
> off to Linux.
>
> Signed-off-by: Peter Crosthwaite <address@hidden>

The other way we could do this would be to have the
do_cpu_reset() hook put the CPU into EL2 or EL1 before
starting the boot code. (This would be in line with how it
would work for KVM).

Have you thought about how this would work for
secondary CPUs (which boot via PSCI poweron)?

thanks
-- PMM



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