Re: [PATCH] ppc: Add support for AMCC Taishan 440GX eval board

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

On Tue, Feb 13, 2007 at 06:30:40PM -0600, Kumar Gala wrote:
> 
> On Feb 13, 2007, at 6:11 PM, David Gibson wrote:
> 
> > On Mon, Feb 12, 2007 at 11:28:17PM -0600, Kumar Gala wrote:
> >>
> >> On Feb 12, 2007, at 6:46 PM, David Gibson wrote:
> >>
> >>> On Mon, Feb 12, 2007 at 02:41:36PM -0600, Kumar Gala wrote:
> >>>>
> >>>> On Feb 12, 2007, at 2:23 PM, Benjamin Herrenschmidt wrote:
> >>>>
> >>>>> On Mon, 2007-02-12 at 14:16 -0600, Jon Loeliger wrote:
> >>>>>> So, like, the other day Benjamin Herrenschmidt mumbled:
> >>>>>>>
> >>>>>>> Note that there are still things that we might want to  
> >>>>>>> change. For
> >>>>>>> example, I think we really should look into adding a macro
> >>>>>>> mecanism
> >>>>>>> and/or an include mecanism to dtc so that we can do things like
> >>>>>>> #include
> >>>>>>> <ibm440gp.dtc> to get the base processor/SoC definition and then
> >>>>>>> "overlay" some properties on top of it (like emac phy mode  
> >>>>>>> etc...)
> >>>>>>
> >>>>>> What do people prefer here?  Straight CPP pre-run?
> >>>>>
> >>>>> CPP pre-run has issue, notably due to the usage of "#" in property
> >>>>> names.
> >>>>
> >>>> You can get around that by invoking cpp with the right flags,  I
> >>>> looked at doing this a while back and had it working.
> >>>
> >>> Umm.. which flags?
> >>
> >> cpp -undef -P -x assembler-with-cpp
> >
> > What exactly does the -x assembler-with-cpp do?  I can't seem to find
> > a useful description in the man page or info.
> 
> I think it treats the input as if where of assembler syntax.  And  
> thus # has special meaning in some places.

Yes... what places, precisely.

-- 
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