From owner-freebsd-alpha Wed Jun 3 16:13:51 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id QAA24272 for freebsd-alpha-outgoing; Wed, 3 Jun 1998 16:13:51 -0700 (PDT) (envelope-from owner-freebsd-alpha@FreeBSD.ORG) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id QAA24254; Wed, 3 Jun 1998 16:13:37 -0700 (PDT) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.8/8.8.8) id RAA00246; Wed, 3 Jun 1998 17:57:44 -0500 (EST) (envelope-from toor) Message-Id: <199806032257.RAA00246@dyson.iquest.net> Subject: Re: future of slpha port In-Reply-To: from Doug Rabson at "Jun 3, 98 11:26:09 pm" To: dfr@nlsystems.com (Doug Rabson) Date: Wed, 3 Jun 1998 17:57:44 -0500 (EST) Cc: dyson@FreeBSD.ORG, mjacob@feral.com, jb@cimlogic.com.au, jbarbee@singular.com, freebsd-alpha@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Doug Rabson said: > > My own port of your i386 pmap appears to be functional and I will probably > commit that in the few days. The only advantage which NetBSD/alpha's pmap > has over mine is the support for Address Space Numbers. The alpha can tag > each TLB with an ASN to allow two address spaces to have cached mappings > for the same virtual address as long as they use different ASNs. I will > add ASN support as soon as the dust settles from the initial bootstrap. > You are much farther along than I had thought: excellent!!! Unfortunately, I have a few minor pmap interface changes coming up (regarding the arguments being vm_page_t's instead of physical addresses.) This shouldn't be too hard to port to alpha. I am sorry, I would have done this sooner if I had known that you made so much progress!!! -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message