Re: [Qemu-devel] [RFC v5 86/86] 440fx: fix PAM, PCI holes

[Avi Kivity]

On 07/25/2011 04:28 PM, Avi Kivity wrote:
> On 07/25/2011 04:17 PM, Gleb Natapov wrote:
> > On Mon, Jul 25, 2011 at 04:14:45PM +0300, Avi Kivity wrote:
> > >  On 07/25/2011 04:07 PM, Anthony Liguori wrote:
> > > >On 07/20/2011 11:50 AM, Avi Kivity wrote:
> > > >>The current implementation of PAM and the PCI holes is broken in 
> > several
> > > >>ways:
> > > >>
> > > >>    - PCI BARs are not restricted to the PCI hole (a BAR may hide 
> > memory)
> > > >
> > > >Technically, a BAR can be mapped to any non-RAM memory location.
> > >
> > >  I understood TOM (Top Of Memory) to be fixed - can't find a register
> > >  for it - but maybe I misread the spec.
> > >
> > PIIX3 spec:
> >
> > 2.2.11.    TOM—TOP OF MEMORY REGISTER (Function 0)
> > Address Offset:    69h
> > Default Value:     02h
> > Attribute:         Read/Write
>
> What's it doing in PIIX3?  Is it the same TOM?

That's the ISA TOM (15MB hole and friends).

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error compiling committee.c: too many arguments to function