From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by oss.sgi.com (8.11.3/8.11.3) id f4NL0kb23332 for linux-mips-outgoing; Wed, 23 May 2001 14:00:46 -0700 Received: from hermes.mvista.com (gateway-1237.mvista.com [12.44.186.158]) by oss.sgi.com (8.11.3/8.11.3) with ESMTP id f4NL0gF23328; Wed, 23 May 2001 14:00:42 -0700 Received: from mvista.com (IDENT:jsun@orion.mvista.com [10.0.0.75]) by hermes.mvista.com (8.11.0/8.11.0) with ESMTP id f4NKwg013342; Wed, 23 May 2001 13:58:42 -0700 Message-ID: <3B0C246D.CF9CDA2F@mvista.com> Date: Wed, 23 May 2001 13:58:21 -0700 From: Jun Sun X-Mailer: Mozilla 4.72 [en] (X11; U; Linux 2.2.18 i686) X-Accept-Language: en MIME-Version: 1.0 To: "Maciej W. Rozycki" CC: Florian Lohoff , ralf@oss.sgi.com, Pete Popov , George Gensure , linux-mips@oss.sgi.com Subject: Re: MIPS_ATOMIC_SET again (Re: newest kernel References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mips@oss.sgi.com Precedence: bulk "Maciej W. Rozycki" wrote: > > On Wed, 23 May 2001, Jun Sun wrote: > > > Same old questions : Where is the definition of sysmips()? What is considered > > standard implementation of sysmips() so that we can do reverse-engineering? > > Irix? > > I think Ralf can comment it. > > > Even if Irix is considered standard implementation of sysmips(), I wonder if > > we need to mirror it. Here is my reasoning. > > > > The sytem V ABI specifies _test_and_set() as the exntended system call. > > I think we want to execute IRIX binaries. That would make sense to keep sysmips() as it is if your statement is true. But I thought the binary comptability with IRIX has long been broken. Can someone confirm that? If binary compatbility with IRIX is broken now, I don't think we should care to fix it in the future - obviously. :-) Jun