On Fri, 2015-09-25 at 15:51 +0100, Julien Grall wrote: > Based on 8.1.3 (IHI 0069A), unless stated otherwise, the 64-bit registers > supports both 32-bit and 64-bits access.
> > All the registers we properly emulate (i.e not RAZ/WI) supports 32-bit > access. > > For RAZ/WI, it's also seems to be the case but I'm not 100% sure. Anyway, > emulating 32-bit access for them doesn't hurt. Note that we would need > some extra care when they will be implemented (for instance > GICR_PROPBASER). > > Signed-off-by: Julien Grall <julien.gr...@citrix.com> Acked-by: Ian Campbell <ian.campb...@citrix.com> > --- > This is technically fixing boot of FreeBSD ARM64 guest with GICv3. > > AFAICT, Linux is not using 32-bit access in the GICv3 code expect > for the ITS (which we don't support yet). > > So this patch is a good candiate for Xen 4.6. Although this patch is > heavily depend on previous patches. It may be possible to shuffle > and move the "opmitization" patches towards the end. I haven't yet > done that because I feel this series makes more sense in the current > order. I think if we let it bake in unstable for a bit to gain confidence we could consider backporting the whole lot to either 4.6.1 or .2. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
