From: Lucio De Re <lucio@proxima.alt.za>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] realemu update
Date: Mon, 7 Mar 2011 14:39:46 +0200 [thread overview]
Message-ID: <20110307123946.GB1893@fangle.proxima.alt.za> (raw)
In-Reply-To: <fe870e1024ba532cd19f1b09aaec88f1@brasstown.quanstro.net>
On Mon, Mar 07, 2011 at 07:23:36AM -0500, erik quanstrom wrote:
>
> > in /dev/realmode, you write a struct Ureg (from /386/include/ureg.h)
> > (in x86 machine byte order?) containing the register contents and the
> > interrupt number of the bios call you want to make.
>
> yes. you should use libmach to do this dirty work.
>
Erik, what have you got in mind? Philosophically, you are perfectly
correct, but the implementation would seem like overkill to me. Maybe a
libmach function to build the registers from user-mode values, but
surely not additional complexities in /dev/realmode to set registers,
shall we say, from user-mode text values?
++L
next prev parent reply other threads:[~2011-03-07 12:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-05 6:49 cinap_lenrek
2011-03-06 7:35 ` Lucio De Re
2011-03-06 18:48 ` cinap_lenrek
2011-03-07 4:21 ` Lucio De Re
2011-03-07 10:39 ` cinap_lenrek
2011-03-07 11:07 ` Lucio De Re
2011-03-07 11:50 ` cinap_lenrek
2011-03-07 12:23 ` erik quanstrom
2011-03-07 12:39 ` Lucio De Re [this message]
2011-03-07 14:19 ` Russ Cox
2011-03-07 14:44 ` Lucio De Re
2011-03-07 15:03 ` Russ Cox
2011-03-08 10:45 ` Stanley Lieber
2011-03-08 11:10 ` Stanley Lieber
2011-03-08 7:42 ` cinap_lenrek at gmx.de
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