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Date:      Wed, 5 Feb 1997 05:47:58 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        jlemon@americantv.com, tri@iki.fi
Cc:        current@freebsd.org, emulation@freebsd.org, phk@critter.dk.tfs.com
Subject:   Re: vm86 in current?
Message-ID:  <199702041847.FAA32304@godzilla.zeta.org.au>

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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.

Bruce



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