From: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: read a specific memory address
Date: 10 May 2001 13:59:42 GMT
Organization: Aachen University of Technology (RWTH)
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To: djgpp AT delorie DOT com
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Thomas Schachtner <thomas DOT schachtner AT gmx DOT de> wrote:
>> In NT, and thus in 2000, too, only kernel mode drivers have (almost)
>> full access to all of the system.

> Is it possible to write a kernel mode driver with DJGPP?

I don't think so.  Cygwin or MinGW32 could possibly work, but I doubt
even they can really do that without lots of expertise on the
programmer's side. The runtime environment for such drivers is very
different from what a normal Windows program sees.

> Or do I need Microsoft's DDK?

Probably yes. And even then, you may still not gain access to the
functions of that driver in a DOS application, if the Virtual DOS
Machine provided by Microsoft doesn't explicitly allow it.

To make it short: truly low-level work can't be done in DJGPP programs
running on NT.
-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.