VHDL example Code available on the web

LEON-1 VHDL model The LEON core is a SPARC* compatible integer unit developed for future space missions. It has been implemented as a highly configurable, synthesisable VHDL model. To promote the SPARC standard and enable development of system-on-a-chip (SOC) devices using SPARC cores, the European Space Agency is making the full source code freely available under the GNU LGPL license.

Strasbourg University An ftp site containing VHDL utilities, papers, and VHDL code.

You may find many other models and related links here