This BSP should run only on or1ksim: the main simulator for or1k architecture.
or1ksim should be used for testing purposes.

svn co http://opencores.org/ocsvn/openrisc/openrisc/trunk/or1ksim
cd or1ksim
mkdir builddir_or1ksim
cd builddir_or1ksim
../configure --target=or32-elf --prefix=/opt/or1ksim
make all
make install
export PATH=/opt/or1ksim/bin:$PATH

Configuration file "sim.cfg" should be provided for complex board
configurations at the current directory (which you run or1ksim from) or at
~/.or1k/

sim -f sim.cfg hello.exe