Re: [Qemu-devel] [PATCH 1/5] pseries: Move sPAPR RTC code into its own file

[David Gibson <david@gibson.dropbear.id.au>]

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On Tue, Dec 16, 2014 at 01:59:01AM +0100, Alexander Graf wrote:
> 
> 
> On 16.12.14 01:43, David Gibson wrote:
> > At the moment the RTAS (firmware/hypervisor) time of day functions are
> > implemented in spapr_rtas.c along with a bunch of other things.  Since
> > we're going to be expanding these a bit, move the RTAS RTC related code
> > out into new file spapr_rtc.c.  Also add its own initialization function,
> > spapr_rtc_init() called from the main machine init routine.
> > 
> > Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> > ---
> >  hw/ppc/Makefile.objs   |  2 +-
> >  hw/ppc/spapr.c         |  3 ++
> >  hw/ppc/spapr_rtas.c    | 49 -----------------------------
> >  hw/ppc/spapr_rtc.c     | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++
> >  include/hw/ppc/spapr.h |  1 +
> >  5 files changed, 88 insertions(+), 50 deletions(-)
> >  create mode 100644 hw/ppc/spapr_rtc.c
> > 
> > diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
> > index 19d9920..437955d 100644
> > --- a/hw/ppc/Makefile.objs
> > +++ b/hw/ppc/Makefile.objs
> > @@ -3,7 +3,7 @@ obj-y += ppc.o ppc_booke.o
> >  # IBM pSeries (sPAPR)
> >  obj-$(CONFIG_PSERIES) += spapr.o spapr_vio.o spapr_events.o
> >  obj-$(CONFIG_PSERIES) += spapr_hcall.o spapr_iommu.o spapr_rtas.o
> > -obj-$(CONFIG_PSERIES) += spapr_pci.o
> > +obj-$(CONFIG_PSERIES) += spapr_pci.o spapr_rtc.o
> >  ifeq ($(CONFIG_PCI)$(CONFIG_PSERIES)$(CONFIG_LINUX), yyy)
> >  obj-y += spapr_pci_vfio.o
> >  endif
> > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> > index 30de25d..16377a3 100644
> > --- a/hw/ppc/spapr.c
> > +++ b/hw/ppc/spapr.c
> > @@ -1446,6 +1446,9 @@ static void ppc_spapr_init(MachineState *machine)
> >      /* Set up EPOW events infrastructure */
> >      spapr_events_init(spapr);
> >  
> > +    /* Set up the RTC RTAS interfaces */
> > +    spapr_rtc_init();
> 
> Do you think we could make it a device instead?

Um.. I guess.  Is there a standard place to put such pseudo-devices in
the bus heirarchy?

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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