Re: [Xen-devel] GNU Mach Xen port

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Hi,

Mark Williamson, le Tue 06 Mar 2007 11:05:19 +0000, a écrit :
> > I'm glad to announce that I have mostly finished a port of GNU Mach to
> > Xen, so that GNU/Hurd/Mach/Xen now works :)
> 
> Nice work Samuel!  How long did it take to do the port?  Sounds like you made 
> progress rather quickly.

Well, it's hard to say, since I did it on my free time, and had long
periods of inactivity.  I actually can't even remember when I started
:o)

As a (very) rough estimation, I'd say something the total should be
between 2 and 4 weeks of full-time work.  I have to say that a big part
of the time was spent on trying to understand the Xen documentation
which is relatively poor.  I noted down the points that should be better
explained, I'll submit that somewhen.

> Do you have Hurd booting on Xen?  Do disk / network work yet?

I'm running apt-get source glibc ; cd glibc-2.5 ; dpkg-buildpackage
right now :)

> Did you have to make any modifications to the userspace servers of the
> HURD, or did modifying Mach prove sufficient?

No modification of userspace servers at all. Only patching Mach memory
handling, writing console/xenstore/disk/net Mach drivers, and it worked.

> I've always had an affection for the HURD, so I'd really love to see more 
> details!  Will there be a download available from somewhere?

cvs -d :ext:sthibaul@xxxxxxxxxxxxxxxxxxxx:/cvsroot/hurd co -r 
gnumach-1-branch-Xen-branch gnumach 

> Did you go the route of introducing a multiboot-type format for the
> domain builder?

Not yet, but that will most probably be the next short-term goal.

Samuel

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