OpenSPARC is not open believe it or not. You still need a license to fab it or use it. I went through this a while ago with someone who likes SPARC and wanted

OpenSPARC is not open believe it or not. You still need a license to fab it or use it. I went through this a while ago with someone who likes SPARC and wanted an implementation on FPGA. Ended up with a licensed MIPS core because it was significantly cheaper on cells in the FPGA.