I've not previously seen an architecture where so many cache and TLB control instructions were in the primary space and took up so much of it. On Fri, Jul 26, 2019 at 11:30 AM Charles Forsyth wrote: > I was thinking of doing that since I've got an ESP-32 for some reason > > On Fri, Jul 26, 2019 at 7:38 AM Cyber Fonic wrote: > >> I was reading the post Why Didn't Plan 9 Succeed >> on Hacker News. >> >> Made me think that Plan 9 for IoT system of systems could be viable. >> >> To that end, ESP-32 modules look capable enough to run Plan 9, but is >> there a Plan 9 C compiler for Xtensa ISA CPUs? >> >>