Date: Thu, 06 Nov 1997 23:12:16 +1030 From: Mike Smith <mike@smith.net.au> To: Tony Overfield <tony@dell.com> Cc: Terry Lambert <tlambert@primenet.com>, jamil@trojanhorse.ml.org, hackers@FreeBSD.ORG Subject: Re: >64MB Message-ID: <199711061242.XAA00382@word.smith.net.au> In-Reply-To: Your message of "Thu, 06 Nov 1997 04:01:03 MDT." <3.0.3.32.19971106040103.006ede20@bugs.us.dell.com>
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> > Speaking of vm86(), why not just use real-mode? It's easier and much > better for compatibility while booting. How do you copy the kernel into memory > 1M in real mode? If you could elaborate on this (and how to *stay* in real mode while running over 1M, ie. so that the kzip pass and subsequent real-mode startup requirements could be met), I'd be *very*happy* > The APM init code seems to have a good example of > making real-mode BIOS calls from the kernel during initialization. ??!! You should actually take a look at it some day, I think. The APM real-mode code sucks. One of my greatest desires is actually to move it from very early (in locore) to very late (after the vm86daemon is started), and do the initial startup from vm86 mode. This is the same way that the SMB BIOS will (hopefully) be started. First thing though is getting vm86 working for this in the kernel... I *know* you're well informed on these matters, but also busy. However any assistance you may be able to offer would be not only appreciated but _used_. mike (Yes, I've been keeping various references from your messages... 8)
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