From owner-freebsd-chat Fri Jun 22 6: 6:36 2001 Delivered-To: freebsd-chat@freebsd.org Received: from nothing-going-on.demon.co.uk (pc-62-31-42-140-hy.blueyonder.co.uk [62.31.42.140]) by hub.freebsd.org (Postfix) with ESMTP id 9092537B401 for ; Fri, 22 Jun 2001 06:06:32 -0700 (PDT) (envelope-from nik@nothing-going-on.demon.co.uk) Received: (from nik@localhost) by nothing-going-on.demon.co.uk (8.11.3/8.11.3) id f5MD2gb89972; Fri, 22 Jun 2001 14:02:42 +0100 (BST) (envelope-from nik) Date: Fri, 22 Jun 2001 14:02:42 +0100 From: Nik Clayton To: j mckitrick Cc: Mike Meyer , Michael Lucas , Dag-Erling Smorgrav , freebsd-chat@FreeBSD.ORG Subject: Re: most complex code in BSD? Message-ID: <20010622140242.R8380@clan.nothing-going-on.org> References: <20010621233210.A37804@dogma.freebsd-uk.eu.org> <20010622062238.A45123@blackhelicopters.org> <20010622114548.A51977@dogma.freebsd-uk.eu.org> <15155.13183.377957.392221@guru.mired.org> <20010622133911.A53884@dogma.freebsd-uk.eu.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="tgGnixv3tJWXBxdL" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010622133911.A53884@dogma.freebsd-uk.eu.org>; from jcm@FreeBSD-uk.eu.org on Fri, Jun 22, 2001 at 01:39:12PM +0100 Organization: FreeBSD Project Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org --tgGnixv3tJWXBxdL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jun 22, 2001 at 01:39:12PM +0100, j mckitrick wrote: > | For the v6 kernel, this is in C code. I never went looking for it in > | later code, so I don't know when it vanished. >=20 > I'm sorry, but what is v6? >=20 > | The comment in question is a couple of paragraphs, followed by that > | seven-word note. If I remember correctly - my copy of Lyons being in > | storage - the code was the context-switching code, and what was being > | explained was the mechanism that was used to start the first process, > | which involved very machine-dependent work so that that code would do > | the job. >=20 > Is this code gone, then? Which source files contain this routine in Free= BSD > now? See http://cm.bell-labs.com/cm/cs/who/dmr/odd.html A quick check through the FreeBSD source shows homage in src/boot/pc98/boot2/io.c, sys/i386/boot/biosboot/io.c, sys/pc98/boot/biosboot/io.c, and sys/pci/ncr.c. N --=20 FreeBSD: The Power to Serve http://www.freebsd.org/ FreeBSD Documentation Project http://www.freebsd.org/docproj/ --- 15B8 3FFC DDB4 34B0 AA5F 94B7 93A8 0764 2C37 E375 --- --tgGnixv3tJWXBxdL Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjszQfEACgkQk6gHZCw343XUmQCfQohjSYLOFiW+7sBRrtQzIeu+ Z4oAnRJnlfEvjoSz3MfMGTn8juf8Krsw =Dt8t -----END PGP SIGNATURE----- --tgGnixv3tJWXBxdL-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message