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open hardware for an open (silicon) society
http://www.opencores.org/projects/or1k/Silicon
“The LEON2 processor is a synthesisable VHDL model of a 32-bit processor compliant with the SPARC V8 acrhitecture. The model is highly configurable, and particularly suitable for system-on-a-chip (SOC) designs. The full source code is available under the GNU LGPL license, allowing free and unlimited use in both research and commercial applications.” http://www.gaisler.com/leonmain.html