Re: [Xen-devel] [PATCH] enable QEMU for ARM builds

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 10 Jul 2014, Stefan Bader wrote:
> On 10.07.2014 13:18, Stefano Stabellini wrote:
> > Build qemu-xen on ARM and ARM64: it is used to provide the PV backends,
> > disk and framebuffer in particular.
> 
> In the Ubuntu packaging I moved to not build qemu from Xen to just depend on
> the qemu package (which should be the same) at least for x86.
> Since I have no Arm hw on my own, all the arm builds are more of a theoretical
> exercise (no feedback from anyone actually trying).
> This sounds like I should (again) depend on a qemu-system-x86, even for the
> Arm packages. Is that right?

Right.

If you have Xen installed on an ARM box and you build QEMU with
--target-list=i386-softmmu, it should pick up Xen support automatically.



> -Stefan
> > 
> > Ideally we would also modify the configure options to only build what is
> > necessary: a machine just for PV backends. However that is a work in
> > progress and not yet available in QEMU (see
> > http://marc.info/?l=qemu-devel&m=139082425718379&w=2). So we just build
> > the usual i386 target, even though no i386 emulation is going to be done
> > by qemu-xen on ARM.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > 
> > diff --git a/tools/configure b/tools/configure
> > index 20f1aa9..b39012b 100755
> > --- a/tools/configure
> > +++ b/tools/configure
> > @@ -3869,6 +3869,8 @@ else
> >       case "$host_cpu" in
> >           i[3456]86|x86_64)
> >              qemu_xen=y;;
> > +        arm*|aarch64)
> > +           qemu_xen=y;;
> >           *) qemu_xen=n;;
> >       esac
> > 
> > diff --git a/tools/configure.ac b/tools/configure.ac
> > index 6d70f04..d1c8e5e 100644
> > --- a/tools/configure.ac
> > +++ b/tools/configure.ac
> > @@ -126,6 +126,8 @@ AC_ARG_WITH([system-qemu],
> >       case "$host_cpu" in
> >           i[[3456]]86|x86_64)
> >              qemu_xen=y;;
> > +        arm*|aarch64)
> > +           qemu_xen=y;;
> >           *) qemu_xen=n;;
> >       esac
> >   ])
> > 
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
> > 
> 

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