Date: Tue, 4 Feb 1997 19:50:42 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: bde@zeta.org.au (Bruce Evans) Cc: jlemon@americantv.com, tri@iki.fi, current@FreeBSD.ORG, emulation@FreeBSD.ORG, phk@critter.dk.tfs.com Subject: Re: vm86 in current? Message-ID: <199702050250.TAA13988@phaeton.artisoft.com> In-Reply-To: <199702041847.FAA32304@godzilla.zeta.org.au> from "Bruce Evans" at Feb 5, 97 05:47:58 am
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> >BTW, are there any objections if I grow the trapframe/intrframe/clockframe > >structures by 4 more words? It would only affect things that do sizeof(), > >and perhaps the kernel debugger. Otherwise, a new vm86frame structure will > >be needed, with a little bit of typecasting back and forth. > > It would be bogus because the standard trapframe doesn't actually have > the extra words. However, perhaps you can fudge the extra words by > setting tss_esp0 16 lower. This will impact the SMP per CPU segment. Please advise of the changes to the smp@freebsd.org list so that they can be incorporated there as well. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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