From owner-freebsd-hackers Tue May 5 18:56:57 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA02264 for freebsd-hackers-outgoing; Tue, 5 May 1998 18:56:57 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from antipodes.cdrom.com ([210.145.37.178]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA02146 for ; Tue, 5 May 1998 18:56:29 -0700 (PDT) (envelope-from mike@antipodes.cdrom.com) Received: from antipodes.cdrom.com (localhost [127.0.0.1]) by antipodes.cdrom.com (8.8.8/8.8.5) with ESMTP id PAA00806; Tue, 5 May 1998 15:13:40 -0700 (PDT) Message-Id: <199805052213.PAA00806@antipodes.cdrom.com> X-Mailer: exmh version 2.0zeta 7/24/97 To: Terry Lambert cc: hasty@rah.star-gate.com (Amancio Hasty), chuckr@Glue.umd.edu, luigi@labinfo.iet.unipi.it, Nicolas.Souchu@prism.uvsq.fr, freebsd-hackers@FreeBSD.ORG Subject: Re: ISA PnP / snd PnP developments? In-reply-to: Your message of "Tue, 05 May 1998 07:39:23 -0000." <199805050739.AAA16950@usr02.primenet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 05 May 1998 15:13:38 -0700 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > We don't use bios calls for drivers however very recently someone checked in > > code to make bios calls which can come in handy for video adapters video > > modes. > > Making INT 10 calls is generally a bad idea. > > It requires taking down most of the outstanding operations manually > from the kernel side, in the expectation of CLI/STI/etc.. Given that the calls in question run inside a VM86 penalty box, most of your qualms here are fundamentally invalid - suspension of interrupts etc. by the video BIOS isn't going to be a problem. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message