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xen-ia64-devel
[Xen-ia64-devel] Re: [GFW PATCH] HVM DSDT fixes
On Thu, Oct 11, 2007 at 04:43:31PM +0200, tgingold@xxxxxxx wrote:
> Quoting Alex Williamson <alex.williamson@xxxxxx>:
>
> > Hi Tristan,
>
> > There's still a lot of
> > legacy devices in the DSDT that I'd like to remove (both of the
> > motherboard resource devices, the PIC, DMA0, TMR, RTC, SPKR, and FDC0).
> > Do any of these need to be in the system?
>
> PIC can be definitely removed.
> TMR (8254) is used by the GFW although itm should be used instead.
> RTC is also used by the GFW.
> SPKR can be removed (I suppose)
> FDC0+DMA0 could be removed or not.
Ok I am wrong for TMR: we don't use it and we can't use it as it is not
emulated. Same for SPKR.
As we don't emulate a PIC the interrupt routing table can be simplified too.
Don't know about FDC/DMA.
Tristan.
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