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therein on Feb 15, 2019 | parent | context | favorite | on: A RISC-V CPU for $8

That distinction is getting blurrier and blurrier every day with the ability to flash firmware to some MCUs such that they run Linux. :)

milkey_mouse on Feb 15, 2019 [–]

In my opinion the line to draw is support for a privileged mode/protection rings/memory protection. Anything without that can run μClinux at best, which isn't much better than an RTOS. Without process isolation an operating system isn't very "general purpose."

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