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Re: plan to work on user-level device drivers

From: Zheng Da
Subject: Re: plan to work on user-level device drivers
Date: Wed, 1 Jul 2009 22:27:38 +0800


On Wed, Jul 1, 2009 at 9:04 AM, <olafBuddenhagen@gmx.net> wrote:
> Hi,
> On Fri, Jun 26, 2009 at 11:01:58PM +0800, Da Zheng wrote:
>> I just read "An I/O System for Mach 3.0" and realized that the
>> developers of Mach 3.0 actually developed user-level drivers for the
>> Ethernet and the SCSI disk.
> Where did you get that? I'd like to read it too :-)
> Hi,
> On Sat, Jun 27, 2009 at 09:23:19AM +0800, Da Zheng wrote:
>> The user-level Ethernet driver for Mach 3.0 is distributed as part of
>> the single-server UNIX emulator. Is The single-server UNIX emulator
>> from CMU called poe?
> I don't know what POE is.
AFAIK, it seems to be a simplified server that can help boot multi-server OS.
> AFAIK the standard Mach single-server is called US. It's probably
> available somewhere -- at least UX (the multi-server) must be, as I
> downloaded it a while back...
Actually, US is the multi-server.
I wonder where you downloaded UX?
I have found the place to download US, but I didn't find UX.
>> Does anyone know about CMU's single-server UNIX emulator? Where can I
>> download it?
> Are you sure it's from CMU?...
I thought it was from CMU. I am not sure.

Zheng Da

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