I’ve updated the instruction on getting or building the microblaze
tools on the wiki. See http://gnuradio.org/trac/wiki/USRP2UserFAQ
If you’re on x86 or x86_64 linux, the easy way it to download and
unpack the binary tarball into /opt. It ends up in /opt/microblaze.
Add /opt/microblaze/bin to your PATH and you’re good to go.
[At this time, I’m uploading the 120MB EDK101_GPL_GNU_src.tar.gz. It’ll
be where the wiki page says it’ll be sometime later on today. It’s
only required if you want to build from source.]