alt Hacker NewsThe original ARM 32 stuff is clearly out of patents and is not being copied. And it doesn't require new extensions to be commercially viable.
The original ARM 32 stuff is clearly out of patents and is not being copied. And it doesn't require new extensions to be commercially viable.
and is not being copied
Are you sure, especially considering China?
I doubt there is any legal barrier, because there are a few existing projects with x86 cores on an FPGA, as well as some SoCs. Here's a 486: https://opencores.org/projects/ao486