Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial

[Laurent Vivier]

Le 13 janv. 09 à 18:03, Aurelien Jarno a écrit :

> On Mon, Jan 12, 2009 at 10:59:11PM +0200, Blue Swirl wrote:
> > On 1/12/09, Aurelien Jarno <address@hidden> wrote:
> > > On Mon, Jan 12, 2009 at 09:40:49PM +0100, Aurelien Jarno wrote:
> > > > On Mon, Jan 12, 2009 at 10:32:43PM +0200, Blue Swirl wrote:
> > > > > On 1/12/09, Aurelien Jarno <address@hidden> wrote:
> > > > > > On Mon, Jan 12, 2009 at 05:40:24PM +0000, Blue Swirl wrote:
> > >
> > > > > Strange, at least Debian 3.1 R8 (CD and direct -kernel), Debian  
> > > > > 4.0 R5
> > > > > (CD and direct -kernel), Debian 4.0 R6 and Gentoo 2008.0 act like
> > > > > before.
> > > >
> > > > I have the same problem with a CDROM, an hard disk, -kernel.
> > > >
> > > > > What kind of setup do you have? At least OpenBIOS config is not
> > > > > standard, you have enabled PCI debugging.
> > > >
> > > > I have built OpenBIOS by hand, native build. This is the  
> > > > unmodified SVN.
> > >
> > >
> > > The PCI debugging is enabled by default on the native build, and  
> > > disable
> > > on the cross-build. Disabling the PCI code fixes (or workarounds?)  
> > > the
> > > problem.
> >
> > It looks like the address of the boot serial is bad, if I change it  
> > to
> > 0x7f013000, PCI debug output works. Maybe something maps over the
> > address at some point.
>
> 0x80013000 is in the middle of the PCI space, so you are hitting  
> another
> device, probably the VGA card. 0x7f013000 is unused but we have to  
> limit
> the memory to 2032MiB


Maximum ram size of G3/beige is 768 MB:

http://apple-history.com/?page=gallery&model=g3

Laurent
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"Things are only impossible until they're not" Jean-Luc Picard