From owner-freebsd-arch@FreeBSD.ORG Fri Feb 6 18:02:19 2009 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 46014106566C for ; Fri, 6 Feb 2009 18:02:19 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 16ABD8FC1B for ; Fri, 6 Feb 2009 18:02:19 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (pool-98-109-39-197.nwrknj.fios.verizon.net [98.109.39.197]) by cyrus.watson.org (Postfix) with ESMTPSA id A02AB46B06; Fri, 6 Feb 2009 13:02:18 -0500 (EST) Received: from localhost (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.14.3/8.14.3) with ESMTP id n16I2CUY079178; Fri, 6 Feb 2009 13:02:12 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: Andriy Gapon Date: Fri, 6 Feb 2009 12:54:56 -0500 User-Agent: KMail/1.9.7 References: <200901260947.32870.jhb@freebsd.org> <200902061155.48705.jhb@freebsd.org> <498C6DC9.8020700@icyb.net.ua> In-Reply-To: <498C6DC9.8020700@icyb.net.ua> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902061254.57192.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Fri, 06 Feb 2009 13:02:12 -0500 (EST) X-Virus-Scanned: ClamAV 0.94.2/8961/Fri Feb 6 08:29:06 2009 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: freebsd-arch@freebsd.org Subject: Re: Trimming the default /boot/device.hints X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Feb 2009 18:02:19 -0000 On Friday 06 February 2009 12:05:13 pm Andriy Gapon wrote: > on 06/02/2009 18:55 John Baldwin said the following: > > On Friday 06 February 2009 11:43:09 am John Baldwin wrote: > >> On Friday 06 February 2009 10:22:35 am Andriy Gapon wrote: > >>> on 06/02/2009 16:37 John Baldwin said the following: > >>>> Yes, it only needs the hint for it to be a console device. > >>>> > >>> I am slightly confused as to how that hint works then, it's not like a > >>> standard isa hint it seems. > >>> Can it somehow be built-in (into the code)? > >> Specifically, look at sc_cnprobe() in sys/dev/syscons/syscons.c. It calls a > >> sc_cons_get_priority() routine that on x86 maps lives in > >> sys/isa/syscons_isa.c. This checks for a syscons hint. Changing it to > >> always assume a unit 0 would probably allow this to work. > > > > Something like this (untested): > > I am not sure, but maybe, just in case, also add > sc_get_softc(0,0) != NULL > check? > I guess device_get_softc returns NULL for non-attached/unknown devices. This check happens long before new-bus gets started, so there are no softc's to check. -- John Baldwin