On 5/26/2011 1:19 PM, Andriy Gapon wrote: > 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.
Yes, that is a nice project but requires flashing firmware. With hardware virtualization you can trap all IO accesses and do this in software. -- Nate _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "[email protected]"
