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Re: [Qemu-arm] [Qemu-devel] [PATCH 11/23] hw/arm/armsse: Support dual-CP

From: Richard Henderson
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH 11/23] hw/arm/armsse: Support dual-CPU configuration
Date: Fri, 25 Jan 2019 16:14:58 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

On 1/21/19 10:51 AM, Peter Maydell wrote:
> The SSE-200 has two Cortex-M33 CPUs. These see the same view
> of memory, with the exception of the "private CPU region" which
> has per-CPU devices. Internal device interrupts for SSE-200
> devices are mostly wired up to both CPUs, with the exception of
> a few per-CPU devices. External GPIO inputs on the SSE-200
> device are provided for the second CPU's interrupts above 32,
> as is already the case for the first CPU.
> Refactor the code to support creation of multiple CPUs.
> For the moment we leave all CPUs with the same view of
> memory: this will not work in the multiple-CPU case, but
> we will fix this in the following commit.
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  include/hw/arm/armsse.h |  21 +++-
>  hw/arm/armsse.c         | 206 ++++++++++++++++++++++++++++++++--------
>  2 files changed, 180 insertions(+), 47 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


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