2.11BSD operating system for microcontrollers
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PostPosted: Fri Dec 25, 2015 8:56 am 
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Joined: Wed Oct 10, 2012 11:01 pm
Posts: 1081
Location: Sunnyvale, CA

New Olimex board runs Unix

  • Looking for some small / embedded gear to mess around with? The Olimex folks have a new Pic32 system now available which runs “RetroBSD”
  • “The current target is Microchip PIC32 microcontroller with 128 kbytes of RAM and 512 kbytes of Flash. PIC32 processor has MIPS M4K architecture, executable data memory and flexible RAM partitioning between user and kernel modes.”
  • RetroBSD isn’t something we’ve covered extensively here on BSDNow, so to bring you up to speed, it is a port of 2.11 BSD
  • Their website lists the following features of this 2.11 refresh:
  • "Small resource requirements. RetroBSD needs only 128 kbytes of RAM to be up and running user applications.
  • Memory protection. Kernel memory is fully protected from user application using hardware mechanisms.
  • Open functionality. Usually, user application is fixed in Flash memory – but in case of RetroBSD, any number of applications could be placed into SD card, and run as required.
  • Real multitasking. Standard POSIX API is implemented (fork, exec, wait4 etc).
  • Development system on-board. It is possible to have C compiler in the system, and to recompile the user application (or the whole operating system) when needed.“
  • For those looking into BSD history, or wanting something small and exotic to play with this may fit the bill nicely.

PostPosted: Fri Dec 25, 2015 9:38 am 

Joined: Mon Nov 12, 2012 1:34 pm
Posts: 1092
Hi Serge,

I can't wait to see on in the mail :).


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