From owner-freebsd-alpha Sat Sep 2 5:22:46 2000 Delivered-To: freebsd-alpha@freebsd.org Received: from anchor-post-33.mail.demon.net (anchor-post-33.mail.demon.net [194.217.242.91]) by hub.freebsd.org (Postfix) with ESMTP id C88D937B422; Sat, 2 Sep 2000 05:22:41 -0700 (PDT) Received: from nlsys.demon.co.uk ([158.152.125.33] helo=herring.nlsystems.com) by anchor-post-33.mail.demon.net with esmtp (Exim 2.12 #1) id 13VCJj-0008Q7-0X; Sat, 2 Sep 2000 13:22:40 +0100 Received: from salmon.nlsystems.com (salmon.nlsystems.com [10.0.0.3]) by herring.nlsystems.com (8.9.3/8.8.8) with ESMTP id NAA01082; Sat, 2 Sep 2000 13:23:36 +0100 (BST) (envelope-from dfr@nlsystems.com) Date: Sat, 2 Sep 2000 13:23:36 +0100 (BST) From: Doug Rabson To: John Baldwin Cc: Doug Rabson , cvs-committers@FreeBSD.org, alpha@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/alpha busspace.c busdma_machdep.c clock.c dec_1000a.c dec_2100_a50.c dec_2100_a500.c dec_axppc In-Reply-To: <200009010925.CAA24053@pike.osd.bsdi.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, 1 Sep 2000, John Baldwin wrote: > Doug Rabson wrote: > > dfr 2000/08/28 14:48:13 PDT > > > > Log: > > * Completely rewrite the alpha busspace to hide the implementation from > > the drivers. > > * Remove legacy inx/outx support from chipset and replace with macros > > which call busspace. > > * Rework pci config accesses to route through the pcib device instead of > > calling a MD function directly. > > > > With these changes it is possible to cleanly support machines which have > > more than one independantly numbered PCI busses. As a bonus, the new > > busspace implementation should be measurably faster than the old one. > > Ugh. This breaks the device probe on my PWS 500au. IIRC, it is dying > with a machine check exception after probing fd0. I'll try to hook this > up to a serial console at my workstation tomorrow to study it some more. When you get it hooked up, I would like to see the boot log. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 20 8348 3944 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message