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Re: 64-bit and N32 kernel interfaces

To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: 64-bit and N32 kernel interfaces
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Wed, 4 Sep 2002 16:14:13 +0200 (MET DST)
Cc: linux-mips@linux-mips.org
In-reply-to: <20020904155645.A31893@linux-mips.org>
Organization: Technical University of Gdansk
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
On Wed, 4 Sep 2002, Ralf Baechle wrote:

> Right now the 64-bit kernel interfaces are still pretty much an ad-hoc
> approach and can't be considered frozen.  There is now some pressure to
> come up with a stable 64-bit API asap.

 Well, they are not really used by anything, yet so they are far from
being frozen.

> As first think I want to get rid of all the historic crap we have in
> our syscall tables for the 64-bit syscalls.  Let's start here:
[...]

 Definitely.

> I probably missed a few.  The primary purpose of this posting is to get a
> discussion about the 64-bit syscall interface started.  It's still not
> cast into stone so we can modify it as we see fit.  The entire syscall
> interface is still open for changes, this includes all structures etc.
> Along with a 64-bit ABI we'll also have to deciede about a N32 ABI.

 It would be nice if we could keep a single set of syscalls for both (n)64
and n32.  The address crop for n32 may be handled the Alpha way.  I will
investigate the topic soon.

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: macro@ds2.pg.gda.pl, PGP key available        +


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