Re: PATCH: Added amd64 support for aperture driver (plus cosmetics to make aperture building on sun4v)

On Mon, 26 Jun 2006, Martin Bochnig wrote:

> #######################################################################
> #######################################################################
> ##
> ##  I have uploaded two files to
> ##  http://fiesta.cs.tu-berlin.de/~mbeinsx/aperture_amd64_sun4v/
> ##
> #######################################################################
> #######################################################################

> ... it was summer solstice on June 20/21 (UTC Date).
> And therefore also half-time between two "Happy Holidays"
> seasons, Tempus Fugit!

> So Cristmas is six short long months away - in whatever direction
> we look. This will, however, not hinder me from releasing
> my _few_ added bits to the public, which make XFree86's / Xorg's
> aperture driver work on amd64 64 bit (Open)Solaris kernels, where
> the un-open /dev/xsvc driver can not be distributed legally, and
> where the lack of a working amd64-aperture module has been kind of
> a show-stopper for over a year.
> So I'm indeed publishing those changes, before I actually have out
> marTux for x86/x64 (which I publically announce hereby) and because
> of that give Belenix, Nextenda and Schillix the chance to be out
> with a release featuring X11 in amd64 mode, before myself's marTux is.
> So go, hurry!     :-)

> You may notice, that interestingly both XFree86 and Xorg still have
> 100% exactly the same apSolaris.shar inside their current CVS, last
> modified in 2002 (though the webcvs entries and even revisions
> look different at first):
> http://cvsweb.xfree86.org/cvsweb/xc/programs/Xserver/hw/xfree86/etc/apSolaris.shar
> http://webcvs.freedesktop.org/xorg/xserver/xorg/hw/xfree86/os-support/solaris/apSolaris.shar?view=log

> --->>
> -rw-r--r--   1 bochnig  bochnig    16546 Jun 26 00:30 XF86_apSolaris.shar
> -rw-r--r--   1 bochnig  bochnig    16546 Jun 26 00:29 Xorg_apSolaris.shar
> bash-3.1$ diff -cu XF86_apSolaris.shar Xorg_apSolaris.shar
> No differences encountered

> Both projects can (or could?) therefore use the same attached diff,
> if they decide to incorporate something.

> I also chose a new detection mechanism for ISA-dependent
> selection of Makefiles: I use "isainfo -k" instead of "uname -m".
> The reasons for this are:

> #0.) You cannot determine with uname (on Solaris), whether or not
>     we are running on a plain x86, or on amd64. Especially
>     can't we determine, wich kernel we're running.
>     "uname -m" would always and only give i86pc on amd64.
> #1.) sun4u is by no means the only implementation of sparcv9 anymore:
>     Take into account SUNW's throughput computing (sun4v) or - not
>     to forget - the vendor FJSV, that may become much more wide-
>     spread in the future, when SUNW/FJSV's APL will be out.
>     The ISA is important to us, rather then the machine platform.

> To summarize this: Integrated support for generic sparcv9 - and therefore also
> sun4v aka Niagara servers, later APL, Rock, Rock2 etc. in the mid term future.
> All that by means of a rather cosmetical change.

This has now been committed to our repository, modulo a small number of 
cosmetic changes.

Thanks for the patch!

Marc.

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