From owner-freebsd-arch@FreeBSD.ORG Fri Feb 6 16:43:27 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 80E361065670 for ; Fri, 6 Feb 2009 16:43:27 +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 509878FC14 for ; Fri, 6 Feb 2009 16:43:27 +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 ECEDA46B09; Fri, 6 Feb 2009 11:43:26 -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 n16GhLVR078660; Fri, 6 Feb 2009 11:43:21 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: "M. Warner Losh" Date: Fri, 6 Feb 2009 11:37:41 -0500 User-Agent: KMail/1.9.7 References: <200902060937.55724.jhb@freebsd.org> <200902061106.41235.jhb@freebsd.org> <20090206.092523.2067072549.imp@bsdimp.com> In-Reply-To: <20090206.092523.2067072549.imp@bsdimp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902061137.42052.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 11:43:21 -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: avg@icyb.net.ua, 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 16:43:27 -0000 On Friday 06 February 2009 11:25:23 am M. Warner Losh wrote: > In message: <200902061106.41235.jhb@freebsd.org> > John Baldwin writes: > : 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)? > : > : It works "normally" during the new-bus attach, but the low-level console code > : probably checks for it early on as well. The serial console code works that > : way. The uart(4) and sio(4) drivers explicitly look for uart/sio hints to > : find possible console devices. This is separate from when the ISA bus adds > : uart/sio devices from the hints later on. > > sio could be loaded as a driver, and still be the console driver. But > it had to be loaded from /boot/loader. Are you sure? The console stuff is initialized (cninit()) well before any SYSINIT's are run. -- John Baldwin