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Re: [Qemu-arm] [PATCH v7 1/2] hw/arm: Add arm SBSA reference machine, sk

From: Peter Maydell
Subject: Re: [Qemu-arm] [PATCH v7 1/2] hw/arm: Add arm SBSA reference machine, skeleton part
Date: Thu, 9 May 2019 15:40:15 +0100

On Thu, 9 May 2019 at 15:27, Igor Mammedov <address@hidden> wrote:

> It should be possible to add nvdimm and memory hotplug later.
> (I don't see big issues here, as long as it would be possible
> to carve out continuous range in address space for it.
> Considering ABI to guest, one could reuse QEMU's notification/enumeration
> code for that or implement their own.
> PS:
> However there will be the same issues that we've had with Seabios when
> ACPI tables were generated there (i.e. cease-less invention of interfaces
> to to pass information from QEMU to firmware). But if I recall correctly,
> it seems that it's intentional design decision for this board,
> where user supplies/builds in firmware a board description (acpi/dt/...)
> manually.

This board is supposed to be very close to real hardware,
where the firmware knows what it's running on and very
little is configurable from the command line, yes.

-- PMM

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