From: Ori Bernstein <ori@eigenstate.org>
To: 9fans@9fans.net
Subject: Re: [9fans] faster vesa driver
Date: Mon, 15 Jun 2009 23:17:33 -0400 [thread overview]
Message-ID: <20090615231733.67f8ee10.ori@eigenstate.org> (raw)
In-Reply-To: <f75780240906151946p58d740cah13356ff5ba1923fc@mail.gmail.com>
On Mon, 15 Jun 2009 22:46:42 -0400
Venkatesh Srinivas <me@acm.jhu.edu> wrote:
> > mtrrs work on any number of processors. it is plan 9's
> > vesa which does not.
>
> Is this just because the driver uses realmode()? Or is there something else?
>
> To solve the realmode() problem, we could link rsc's 8i into the
> kernel and use that to execute the vesa bios code, right?
>
8i needs some work to add coverage for more instructions (for example,
movz). Other than that, it should be callable from userspace (say,
aux/vga) instead of being linked into the kernel.
--
Ori Bernstein
prev parent reply other threads:[~2009-06-16 3:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-09 21:18 geoff
2009-06-09 21:26 ` erik quanstrom
2009-06-09 23:29 ` Venkatesh Srinivas
2009-06-09 23:36 ` erik quanstrom
2009-06-09 23:54 ` Kenji Arisawa
2009-06-10 0:22 ` Skip Tavakkolian
2009-06-12 9:26 ` Balwinder S Dheeman
2009-06-12 11:33 ` erik quanstrom
2009-06-12 21:42 ` James Tomaschke
2009-06-16 0:20 ` Kenji Arisawa
2009-06-16 2:19 ` erik quanstrom
2009-06-16 2:46 ` Venkatesh Srinivas
2009-06-16 3:17 ` Ori Bernstein [this message]
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