Re: [Xen-devel] Re: Where to get FreeBSD port for Xen

[Kip Macy <kmacy@xxxxxxxxxxx>]

Thanks for patch and the heads up on the successful boot.

I'll apply the patch and update the posted tarball and kernel tonight.



                                        -Kip

On Mon, 24 Jan 2005, Hidetoshi Shimokawa wrote:

> Thank you very much for your work, Kip.
>
> I successfully booted xenofreebsd from your source.
> The following patch(obtained from NetBSD) seems to
> fix the scheduling problem.
>
> /\ Hidetoshi Shimokawa
> \/  simokawa@xxxxxxxxxxx
>
> diff -u -r /home/simokawa/xen/i386-xeno/i386-xeno/clock.c 
> i386-xeno/i386-xeno/clock.c
> --- /home/simokawa/xen/i386-xeno/i386-xeno/clock.c    Mon Jan 24 10:36:19 2005
> +++ i386-xeno/i386-xeno/clock.c       Mon Jan 24 16:58:31 2005
> @@ -502,3 +502,10 @@
>       /* our adjusted time offset in microseconds */
>       return edx;
>  }
> +
> +void
> +idle_block(void)
> +{
> +     if (HYPERVISOR_set_timer_op(processed_system_time + NS_PER_TICK) == 0)
> +             HYPERVISOR_block();
> +}
> diff -u -r /home/simokawa/xen/i386-xeno/i386-xeno/machdep.c 
> i386-xeno/i386-xeno/machdep.c
> --- /home/simokawa/xen/i386-xeno/i386-xeno/machdep.c  Mon Jan 24 10:36:19 2005
> +++ i386-xeno/i386-xeno/machdep.c     Mon Jan 24 17:50:25 2005
> @@ -140,6 +140,7 @@
>  #include <machine/hypervisor.h>
>  #include <machine/xenfunc.h>
>  #include <machine/xenvar.h>
> +#include <machine/xen_intr.h>
>
>  void Xhypervisor_callback(void);
>  void failsafe_callback(void);
> @@ -903,8 +904,13 @@
>        */
>       __asm __volatile("sti; hlt");
>  #endif
> +#if 0
>       enable_intr();
>       HYPERVISOR_yield();
> +#else
> +     idle_block();
> +     enable_intr();
> +#endif
>  }
>
>  /*
> diff -u -r /home/simokawa/xen/i386-xeno/include/xen_intr.h 
> i386-xeno/include/xen_intr.h
> --- /home/simokawa/xen/i386-xeno/include/xen_intr.h   Mon Jan 24 10:36:19 2005
> +++ i386-xeno/include/xen_intr.h      Mon Jan 24 17:48:55 2005
> @@ -44,6 +44,7 @@
>  extern void irq_suspend(void);
>  extern void irq_resume(void);
>
> +extern void idle_block(void);
>
>
>  #endif /* _XEN_INTR_H_ */
>
>
> At Sun, 23 Jan 2005 18:25:25 -0800 (PST),
> Kip Macy wrote:
> >
> > For those interested I've uploaded a source tarball and copied in
> > updated directions.
> >
> >
> >                                     -Kip
> >
> >
> >
> > On Sun, 23 Jan 2005, Derrik Pates wrote:
> >
> > > Kip Macy wrote:
> > > > It looks like apache had gone out to lunch. I just restarted it and it
> > > > is accessible again. If you wait a day I'll have 5.3 up. 5.2.1 is what
> > > > is there right now.
> > >
> > > Kip:
> > >
> > > Any luck with that FreeBSD 5.3 kernel? Our network engineer wants to set
> > > up a Xen box for internal use with Debian and FreeBSD on it, and I'm
> > > hoping to get FreeBSD 5.3 on there. Also, were you able to figure out
> > > the blocking stuff in the scheduling code?
> > >
> > > --
> > > Derrik Pates
> > > demon@xxxxxxxxxxxxx
> > >
> >
> >
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