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Axis is cool, they once even had (still have?) their own CPU / ISA (ETRAX CRIS) plus a Linux port:

https://www.kernel.org/doc/Documentation/cris/README

Edit: Official Linux support was removed with 4.17 in 2018

https://lkml.org/lkml/2018/6/3/142

The ETRAX CRIS has been superseded by ARM Cortex-M in the latest ARTPEC (Axis Real Time Picture Encoder Chip) chips these days. For a period of time in between those two architectures the ARTPEC chips used MIPS as a core.

Still used a bunch of CRIS cores for ARTPEC-6 for scheduling scaler and trfm jobs and some other things, are they completely gone now?

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