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From: greg@censoft.com (Greg Haerr)
Subject: [TUHS] Redoing "V6on286" or porting V7...?
Date: Mon, 14 Nov 2005 19:08:52 -0800	[thread overview]
Message-ID: <04fd01c5e991$e8d06b70$6401a8c0@gregnewport> (raw)
In-Reply-To: <20051113201609.GW6574@gsmx07.alcatel.com.au>

>  One
> crucial difference is that Unix has the implicit assumption that the
> stack is in the data space - which is not true on the 286.  This
> difference is fairly critical to Unix and makes it impossible to
> accurately reproduce the traditional Unix memory protection.

I don't understand this.  If SS is set to DS, in any 16 bit mode,
then doesn't this accomplish the accurate reproduction?  I realize
that a 32-bit mode would be required for limit checking.

Regards,

Greg




  parent reply	other threads:[~2005-11-15  3:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-09 17:26 Lyrical Nanoha
2005-11-09 21:54 ` M. Warner Losh
2005-11-09 22:03 ` Brantley Coile
2005-11-12  6:13   ` Albert Cahalan
2005-11-12 13:18     ` Brantley Coile
2005-11-13 20:16       ` Peter Jeremy
2005-11-14  9:38         ` Wesley Parish
2005-11-14 15:45         ` Brantley Coile
     [not found]         ` <8a61b612cf43394f33e6531339fe4263@coraid.com>
2005-11-14 19:49           ` Peter Jeremy
2005-11-14 20:31             ` Brantley Coile
2005-11-16 21:41             ` Lyrical Nanoha
     [not found]               ` <17277.62390.986234.433543@hod.localdomain>
2005-11-18 17:59                 ` Lyrical Nanoha
2005-11-19  4:17                   ` Brantley Coile
2005-11-15  3:08         ` Greg Haerr [this message]
2005-11-15  3:40           ` Peter Jeremy
2005-11-15 13:30             ` Brantley Coile
2005-11-14 21:34 Norman Wilson
2005-11-14 22:59 ` Brantley Coile

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