Date: Tue, 17 Dec 2002 20:09:10 -0800 From: Juli Mallett <jmallett@FreeBSD.org> To: David Cuthbert <dacut@kanga.org> Cc: current@freebsd.org Subject: Re: 80386 out of GENERIC Message-ID: <20021217200910.A37771@FreeBSD.org> In-Reply-To: <3DFFF387.9050304@kanga.org>; from dacut@kanga.org on Tue, Dec 17, 2002 at 11:03:19PM -0500 References: <24244.1039900460@critter.freebsd.dk> <9710634521.20021214232526@dds.nl> <3DFC0AB1.D60AAF66@mindspring.com> <200212160955.14531.DavidJohnson@Siemens.com> <20021216180948.GD27912@zot.electricrain.com> <3DFFEA03.A27668A8@mindspring.com> <20021217194724.A36521@FreeBSD.org> <3DFFF387.9050304@kanga.org>
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* De: David Cuthbert <dacut@kanga.org> [ Data: 2002-12-17 ] [ Subjecte: Re: 80386 out of GENERIC ] > Juli Mallett wrote: > > Are you implying that these people, who are undoubtedly adding and > > removing lots of things in the kernel, to make things fit, and to > > make things do their jobs, can't be bothered to use the appropriate > > CPU settings? > > Not sure where you got that from Terry's post, but... I misread. > As a sometimes embedded developer (who also runs FreeBSD on his > comparatively screaming Athlon desktop box), being able to run FreeBSD, > fresh off a CD, on a quirky 386 embedded toaster and have it run > perfectly would be a dream. > > Of course, that's never been the case. > > As others have mentioned, you're lucky if you have a working BIOS. > There's usually no room for "luxuries" like a robust device probing > system, a nice, standard PCI bus, queriable hardware, etc. Most of your > devices are sitting right on the processor bus (and hopefully you've > thrown in enough wait states, but if the thing doesn't respond, spin a > bit and hammer it with the request again). > > As long as it's feasible to compile a kernel for a 386, that's all I > could ever home for. Just don't go rewriting the scheduler in assembly > and use MMX/SIMD instructions... I don't think anyone wants that to happen (though I wouldn't put it past some people to want to do that). -- Juli Mallett <jmallett@FreeBSD.org> OpenDarwin, Mono, FreeBSD Developer. ircd-hybrid Developer, EFnet addict. FreeBSD on MIPS-Anything on FreeBSD. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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