From: ron minnich <rminnich@lanl.gov>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] loading plan 9 directly from linuxbios
Date: Wed, 29 Oct 2003 16:17:44 -0700 [thread overview]
Message-ID: <Pine.LNX.4.44.0310291615360.30710-100000@maxroach.lanl.gov> (raw)
In-Reply-To: <f3eca563c9ccdebc4c8c39ac9f9131b1@vitanuova.com>
On Wed, 29 Oct 2003, C H Forsyth wrote:
> >>that the gdt is not Plan9-compatible. I think it is probably good hygiene
>
> what is incompatible about the gdt?
> to what is it initialised?
linuxbios follows the linux gdt setup. offset 10 is code, offset 18 is
data. ds, es, etc. are set to 18, cs is set to 10.
Plan 9 sets GDT SEL 8 to data; and ds, etc. need to be set to 8.
Currently I am exploding in Plan 9 after linuxbios loads it and I am
almost certain it is due to this incompatibility.
ron
next prev parent reply other threads:[~2003-10-29 23:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-29 6:42 ron minnich
2003-10-29 8:08 ` Charles Forsyth
2003-10-29 9:37 ` C H Forsyth
2003-10-29 16:16 ` ron minnich
2003-10-29 16:39 ` David Presotto
2003-10-29 16:46 ` ron minnich
2003-10-29 16:54 ` ron minnich
2003-10-29 20:58 ` C H Forsyth
2003-10-29 23:17 ` ron minnich [this message]
2003-10-29 7:42 Tiit Lankots
2003-10-29 16:12 ` ron minnich
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