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Re: TSS switching
From: |
Marcus Brinkmann |
Subject: |
Re: TSS switching |
Date: |
Thu, 11 Oct 2001 01:02:32 +0200 |
User-agent: |
Mutt/1.3.22i |
On Wed, Oct 10, 2001 at 06:46:22PM -0400, Roland McGrath wrote:
> > Can I/O permission violations be catched in userspace, by emulating the
> > io_emulate exception? Then I guess we can just let the default
> > implementation return an error anyway.
>
> I'm not really sure what you are asking here.
If you run a DOS program in a DOS emulator, you probably want to emulate
some of the I/O port accesses. I think that's io_emulation all about, right?
A DOS emulator would catch the exception and either add permission to the
task and allow the access, deny the access, or emulate it.
Thanks,
Marcus
--
`Rhubarb is no Egyptian god.' Debian http://www.debian.org brinkmd@debian.org
Marcus Brinkmann GNU http://www.gnu.org marcus@gnu.org
Marcus.Brinkmann@ruhr-uni-bochum.de
http://www.marcus-brinkmann.de
- TSS switching, Marcus Brinkmann, 2001/10/07
- Re: TSS switching, Roland McGrath, 2001/10/07
- Re: TSS switching, Marcus Brinkmann, 2001/10/08
- Re: TSS switching, Marcus Brinkmann, 2001/10/12
- Re: TSS switching, Roland McGrath, 2001/10/12
- Re: TSS switching, Marcus Brinkmann, 2001/10/15
- Re: TSS switching, Roland McGrath, 2001/10/15
- Re: TSS switching, Marcus Brinkmann, 2001/10/12
- Re: TSS switching, Roland McGrath, 2001/10/13
- Re: TSS switching, Marcus Brinkmann, 2001/10/13
- Re: TSS switching, Roland McGrath, 2001/10/13