> Didn't you have some code that let you mount a the host filesytem within the 
> guest through a proc interface?
Yes.  Basically I added support for exposing multiple files through
readfile and then hacked up a proc branch to expose those files.  The
linux kernel part is basically done and works fine, the stuff for
exposing files to readfile (basically new Param types) probably needs
a bit of clean up (it worked, but the code was probably a bit ugly).
I can dig up the diffs to hand off to someone.  The same set of
patches include updates to /sbin/m5 as well (so you don't have to
recompile linux if you don't want to).

> As for Jayneel's concern. I'm going to post a patch shortly that adds a 
> parameter to read file so that you can read files off the host image (one at 
> a time). It's not quite as elegant, but it's something.

  Nate
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