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authorThomas Schwinge <tschwinge@gnu.org>2009-03-05 19:20:56 +0100
committerThomas Schwinge <tschwinge@gnu.org>2009-03-05 19:20:56 +0100
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+[[meta copyright="Copyright © 2008, 2009 Free Software Foundation, Inc."]]
+
+[[meta license="""[[toggle id="license" text="GFDL 1.2+"]][[toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
+is included in the section entitled
+[[GNU_Free_Documentation_License|/fdl]]."]]"""]]
+
+[[meta title="New Driver Glue Code"]]
+
+Although a driver framework in userspace would be desirable, presently the Hurd
+uses kernel drivers in the microkernel,
+[[GNU_Mach|microkernel/mach/gnumach]]. (And changing this would be far beyond a
+GSoC project...)
+
+The problem is that the drivers in GNU Mach are presently old Linux drivers
+(mostly from 2.0.x) accessed through a glue code layer. This is not an ideal
+solution, but works quite OK, except that the drivers are very old. The goal of
+this project is to redo the glue code, so we can use drivers from current Linux
+versions, or from one of the free BSD variants.
+
+Using [ddekit](http://demo.tudos.org/dsweeper_tutorial.html) instead of our
+own glue code can be explored as a possible alternative approach.
+
+This is a doable, but pretty involved project. Experience with driver
+programming under Linux (or BSD) is a must. (No Hurd-specific knowledge is
+required, though.)
+
+This is [[GNU_Savannah_task 5488]].
+
+Possible mentors: Samuel Thibault (youpi)
+
+Exercise: Try porting one driver from Linux 2.6 to run in the old framework.
+The port needn't be elegant or complete; but it would be nice if you could get
+it to work at least partially...