Re:Red Hat ported OpenJDK to 64-bit ARM: A community history
by aph_at_redhat on Sunday February 14, 2021 @07:32AM
(#26131843)
It's much further along than that.
See https://github.com/isrc-cas/bishengjdk-11-mirror
I guess the next target is to do RISC-V. I think it only works with the interpreter at the moment.