From owner-freebsd-hackers Thu Dec 20 4: 4:45 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from mailout03.sul.t-online.com (mailout03.sul.t-online.com [194.25.134.81]) by hub.freebsd.org (Postfix) with ESMTP id B252237B419 for ; Thu, 20 Dec 2001 04:04:41 -0800 (PST) Received: from fwd02.sul.t-online.de by mailout03.sul.t-online.de with smtp id 16H1wF-00019B-07; Thu, 20 Dec 2001 13:04:39 +0100 Received: from spirit.corecode.ath.cx (320050403952-0001@[80.128.114.172]) by fmrl02.sul.t-online.com with esmtp id 16H1vw-0Sjsv2C; Thu, 20 Dec 2001 13:04:20 +0100 Received: from elevation.zuhause.stoert.net (elevation.zuhause.stoert.net [192.168.66.46]) by spirit.corecode.ath.cx (8.11.6/8.11.6) with ESMTP id fBKC4Jg56117; Thu, 20 Dec 2001 13:04:20 +0100 (CET) (envelope-from corecode@elevation.zuhause.stoert.net) Received: (from corecode@localhost) by elevation.zuhause.stoert.net (8.11.6/8.11.6) id fBKC4Jf00273; Thu, 20 Dec 2001 13:04:19 +0100 (CET) (envelope-from corecode) Date: Thu, 20 Dec 2001 13:04:14 +0100 From: corecode To: cewandys@yahoo.com Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: boot0/boot0.s Message-Id: <20011220130414.5fb434ce.corecode@corecode.ath.cx> In-Reply-To: <20011220035158.5461B37B419@hub.freebsd.org> References: <20011220035158.5461B37B419@hub.freebsd.org> X-Mailer: Sylpheed version 0.6.6 (GTK+ 1.2.10; i386--freebsd4.4) Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; boundary="=.(whrOn(jh6?8yp" X-Sender: 320050403952-0001@t-dialin.net Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --=.(whrOn(jh6?8yp Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 20 Dec 2001 11:58:12 +0800 Leslie Jackson wrote: > That means that BIOS saves the current drive number in register %dl?? > > Could you give a hint about _where_ BIOS stores _what_?? > I've searched the google.com, but got no valuable resource. a great tool for system near stuff is the intlist by ralph brown: http://www-2.cs.cmu.edu/afs/cs/user/ralf/pub/WWW/files.html here you can find a HTMLized version: http://www.ctyme.com/rbrown.htm and here stuff specific to your question. don't let it irritate you, the BIOS does the same on power on and INT 19 except for some more init on power on that does not affect the boot strapping: http://www.ctyme.com/intr/rb-2270.htm cheerz corecode -- /"\ http://corecode.ath.cx/ \ / \ ASCII Ribbon Campaign / \ Against HTML Mail and News --=.(whrOn(jh6?8yp Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) iD8DBQE8IdPDr5S+dk6z85oRAkXBAKCgcXGYbSYhjSydwh0IZ1SUWkR7MACcC3PE MGOeknEuuNK27A1Ob69xc8c= =+5YQ -----END PGP SIGNATURE----- --=.(whrOn(jh6?8yp-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message