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Date:      Mon, 16 Dec 2002 14:02:14 -0800
From:      Peter Wemm <peter@wemm.org>
To:        Marcel Moolenaar <marcel@xcllnt.net>
Cc:        Matthew Dillon <dillon@apollo.backplane.com>, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: [src] cvs commit: src/sys/ia64/ia32 ia32_proto.h ia32_syscall.h ia32_sysent.c 
Message-ID:  <20021216220214.35C262A88D@canning.wemm.org>
In-Reply-To: <20021216012030.GA1432@athlon.pn.xcllnt.net> 

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Marcel Moolenaar wrote:
> On Sun, Dec 15, 2002 at 04:57:02PM -0800, Matthew Dillon wrote:
> >     Ah, I wonder if that could have caused Doug's problems.
> 
> I don't think so. This is only used for ia32 emulation on ia64.
> 
> >     That's weird, why does ia64/ia32 have a separate syscall gen?
> >     Perhaps the syscall target in kern should also build these
> >     babies.
> 
> I'm not entirely sure about that. I'm not sure ia32 emulation is
> here to stay (from a hardware point of view). Even then, we may
> want to decide to support up to 5-STABLE or 6-STABLE. I mostly
> see it as a migration aid. I don't even have it enabled myself :-)

The ia64 version of the is32 syscall table is very different.  The main
cause of excitement is the quad args which are broken up into seperate low/
high arguments and merged in the stubs.  There was some alignment issue if
I remember correctly.

Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5


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