[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [XenARM] probably FAQ: latest xen PV api/abi specs
On Tue, 2013-11-05 at 20:11 +0100, Goswin von Brederlow wrote: > On Tue, Nov 05, 2013 at 09:48:39AM +0000, Ian Campbell wrote: > > On Tue, 2013-11-05 at 10:20 +0100, Goswin von Brederlow wrote: > > > Hi, > > > > > > this might be an FAQ but I'm looking for the documentation for the xen > > > guest API/ABI exposed to domU kernels on arm. > > > > Which port are you asking about? > > http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions or > > http://wiki.xen.org/wiki/Xen_ARM_%28PV%29 ? I only know about the former > > and it sounds like this is the one you mean? > > > > Adding xen-devel which is the right venue for virt extensions questions, > > xen-arm@ is for the PV port. > > I'm interested in older arm cpus like the RaspberryPI, which doesn't > have the virtualization extension. Therefore I'm interested in the PV > port. OK. I think the statement you've seen regarding API/ABI stability all refer to the hardware based port. That said I know nothing about the stated (or otherwise) stability of the API/ABI of the PV port. Its developers have not been active for several years now. I'm afraid I think you'd be wasting your time pursuing it on the RPi. > Or would it be feasable and make more sense to emulate the HVC > instruction in the undefined handler? Probably not given the extensive > use of hardware facilities. I'm sure it could be done at a technical level, but it would effectively be an entirely new port... Ian. _______________________________________________ Xen-arm mailing list Xen-arm@xxxxxxxxxxxxx http://lists.xen.org/cgi-bin/mailman/listinfo/xen-arm
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