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* Elix and RTEMS
@ 1999-11-30 18:59 Joel Sherrill
  0 siblings, 0 replies; only message in thread
From: Joel Sherrill @ 1999-11-30 18:59 UTC (permalink / raw)
  To: elix

As I understood some of the early information on Elix, it was
intended to be a standard/specification for embedded POSIX as 
well as an implementation.  Given this understanding, I would
like to offer RTEMS as an existing implementation of the Elix

Today, as best I can tell from the information I
have seen, RTEMS includes nearly every POSIX feature
required by the specification.  At this point, RTEMS
includes the following mentioned in the Elix specification:

  + approximately 85% of the functionality of POSIX 1003.1b
    including POSIX threads, signals, etc.
  + a port of the FreeBSD TCP/IP stack

Other features include:

  + filesystem support
  + httpd web server (GoAhead)
  + ftpd server
  + numerous network client services including DNS and TFTP
  + Classic API (based on same specification as pSOS+)
  + initial ITRON 3.0 support
  + remote debugging via Ethernet
  + multiprocessor support

RTEMS provides this functionality today for deeply embedded systems.

Elix is a new presentation of ideas espoused by the RTEMS Team for
By providing compatability with standards, third party software can be
easily to the RTEMS environment.  This has enabled a variety of packages 
including CORBAS, TCL, zlib, libavl, and ncurses to be easily ported to 
RTEMS.  More often than not, it is just a matter of passing the right 
options to configure. :)

Basically, I just want to make sure that RTEMS gets a fair technical
as an alternative -- and existing -- implementation of Elix for embedded

Joel Sherrill, Ph.D.             Director of Research & Development                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
   Support Available             (256) 722-9985

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1999-11-30 18:59 Elix and RTEMS Joel Sherrill

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