Date: Thu, 26 May 2011 23:19:24 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Nate Lawson <nate@root.org> Cc: acpi@FreeBSD.org Subject: Re: paper on reverse-engineering drivers Message-ID: <4DDEB5CC.4050500@FreeBSD.org> In-Reply-To: <4DDEA91F.8080008@root.org> References: <4DDEA91F.8080008@root.org>
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on 26/05/2011 22:25 Nate Lawson said the following: > This might be a useful source for making ACPI compatible with Windows. > > http://dslab.epfl.ch/pubs/revnic > > I had thought of a project like this before. My idea was to take QEMU > and map PCI config space and allow direct access to the bare hardware > for only one device. The developer would install Windows in this QEMU > image on a system with the target device, identify it by its PCI id, and > then run Windows normally. The VM would log the driver's accesses to > config space as well as use CoW semantics for DMA accesses to memory and > IO ports. Something like this? http://www.serialice.com/News/News.html > Now that Intel/AMD support hardware virtualization and DMA isolation, it > would be better to do this with a modified Xen hypervisor. -- Andriy Gapon
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