Date: Mon, 1 Jun 1998 07:38:11 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Curt Sampson <cjs@portal.ca> Cc: Mike Smith <mike@smith.net.au>, hackers@FreeBSD.ORG Subject: Re: AlphaBIOS documentation Message-ID: <Pine.BSF.3.95q.980601073447.330J-100000@herring.nlsystems.com> In-Reply-To: <Pine.NEB.3.96.980531203202.4124W-100000@ascetic.portal.ca>
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On Sun, 31 May 1998, Curt Sampson wrote: > On Sun, 31 May 1998, Doug Rabson wrote: > > > I have spent a *long* time reading Linux and Milo source code and I really > > want to avoid putting hardware drivers in the bootloader. > > There's a lot more than hardware drivers in that particular > bootloader. It also includes a complete set of PALcode. (PAL stands > for `Privileged Architecture Library,' and is used to implement > some very low-level, machine dependent functions, such as memory > and TLB management.) This, of course, is different even from machine > to machine with the same CPU, and thus the bootloader for the > AXPpci33 is not the same as the bootloader for the Multia, despite > the fact that they both use the same CPU and the are exactly the > same machine type (that is, use exactly the same kernel code) under > NetBSD. Don't worry, I am fully aware of the PALcode problem. I think it will be a far easier problem to deal with the bootstrap installing PALcode than for it to have a complete set of device drivers. There is plenty of PALcode source in milo. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 951 1891 Fax: +44 181 381 1039 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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