Wow! SPARC CPU on an FPGA? Yes, but of course, the caveat emptor is that using Xilinx FPGAs is a mess.
20200514/https://www.thanassis.space/myowncpu.html
I found this from a related discussion on 68kMLA about doing likewise for classic Macintosh, and there are a few projects out there linked.
20200514/https://68kmla.org/forums/index.php?/topic/58178-fpga-mac/