[1] https://www.semanticscholar.org/search?q=typed%20assembly%20...
namely, Greg Morrisett and Neal Glew's work
https://www.semanticscholar.org/author/J.-G.-Morrisett/14364...
https://www.semanticscholar.org/author/MorrisettGreg/1643921... (semantic scholar incorrectly thinks there are two Greg Morrisetts)
https://twitter.com/bluespec/status/1225184669978841090 https://github.com/B-Lang-org/bsc
Indeed seems Bluespec Inc. has pivoted to RISC-V CPU IP. No obvious mention of BSV on their webpage (https://bluespec.com/)
Same problem though - you have to transpile it down to Verilog to use it in anything beyond a simulation.
https://github.com/B-Lang-org/bsc
it's Haskell underneath (https://xkcd.com/356/)
Among the available options, I remember people being very happy with BlueSpec even before, and now you don't really have many excuses.