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From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 13 Nov 2014 09:14:13 +0100
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Subject: Re: [Qemu-devel] [Linaro-acpi] [RFC PATCH 0/7] hw/arm/virt: Dynamic
 ACPI v5.1 table generation
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To: Claudio Fontana <claudio.fontana@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>, Peter Maydell <peter.maydell@linaro.org>, "Ian.Campbell@citrix.com" <Ian.Campbell@citrix.com>, "linaro-acpi@lists.linaro.org" <linaro-acpi@lists.linaro.org>, Alexander Spyridakis <a.spyridakis@virtualopensystems.com>, Julien Grall <julien.grall@linaro.org>, QEMU Developers <qemu-devel@nongnu.org>, Leif Lindholm <leif.lindholm@linaro.org>, "stefano.stabellini@citrix.com" <stefano.stabellini@citrix.com>, "grant.likely@linaro.org" <grant.likely@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, "tech@virtualopensystems.com" <tech@virtualopensystems.com>, Parth Dixit <parth.dixit@linaro.org>, Christoffer Dall <christoffer.dall@linaro.org>

On Mi, 2014-11-12 at 16:01 +0100, Claudio Fontana wrote:
> I ask because on OSv at the moment, the situation is that for x86 we
> don't need to reprogram anything on PCI,
> as everything is already nicely set up by the time the guest starts,
> and thus the BAR addresses can be read directly.
> On ARM we have to reprogram the BARs manually for all devices.

qemu doesn't do anything here, seabios / ovmf does the pci
initialization.

cheers,
  Gerd