On Tue, Jan 19, 2016 at 12:23:17PM +0000, Stefano Stabellini wrote:
>On Tue, 19 Jan 2016, Mark Rutland wrote:I take it that means that any memory carved out for Xen itself is
> >On Tue, Jan 19, 2016 at 06:25:25PM +0800, Shannon Zhao wrote:>
> >> > > >>We don't do this in Documentation/arm/uefi.txt, and I don't see why we> > > >
> > > >>should do so here.
> > > >>
> > > >>Does Xen handle arbitrary size memory map descriptors? I'm not sure what
> > > >>new information might be passed in future additions to the descriptor
> > > >>format, and I'm not sure what should happen in the Dom0 case.
> > > >Xen passes to Dom0 the memory map in the same format as the native
> > > >memory map.
> >Does Xen parse or modify the EFI memory map in any way?
>- calls EFI_BOOT_SERVICES.GetMemoryMap()
>- takes note of the memory regions for its own usage
>- create the fdt notes, including efi-mmap-start, with a pointer to it
> >Does it pass the raw values returned by EFI_BOOT_SERVICES.GetMemoryMap()>
> >through to the xen,uefi-* properties, or does is make any static
> >assumptions about what the values will be?
>It just passes the raw values.
described/discovered via a separate mechanism? How does that work