Date: Sat, 23 Jun 2001 23:43:02 -0600 From: Wes Peters <wes@softweyr.com> To: joel.sherrill@OARcorp.com Cc: James Housley <jim@thehousleys.net>, hackers@freebsd.org, questions@freebsd.org Subject: Re: real time Message-ID: <3B357DE6.942BE412@softweyr.com> References: <E14vlpX-0008Nr-00@bsdconspiracy.net> <3AF30CF8.FC28EDA1@thehousleys.net> <3AF5D1BF.93588882@softweyr.com> <3B31F2AD.E2850728@OARcorp.com>
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Joel Sherrill wrote: > > Wes Peters wrote: > > > > James Housley wrote: > > > > > > Wes Peters wrote: > > > > > > > > Charles: > > > > > > > > > > -----Original Message----- > > > > > > Joao Carlos <jcarlos@esbrasil.com> asked: > > > > > > > > > > > > Does FreeBSD has any related work about it as an real time operating > > > > > > system? > > > > > > Where can i find information about that ?? > > > > > > > > > > Here's one starting point, > > > > > > > > > > http://www.rtmx.com/ > > > > > > > > > > They offer extensions to OpenBSD. > > > > > > > > Used to. RTMX contributed the RTMX code base to OpenBSD and stopped > > > > distributing it themselves over a year ago. Since then, it has > > > > disappeared, with no mention of it on the OpenBSD web site. Neither > > > > OpenBSD.org, rtmx.com, nor rtmx.net has a "search" feature, so > > > > looking for it is nearly impossible. There is nothing in the OpenBSD > > > > change logs mentioning RTMX, either. > > > > > > > > > > RTEMS, http://www.oarcorp.com, does compile and run on FreeBSD. I have > > > been contacted/contacting one of their main people about closer ties. > > > The tools are in the ports tree. > > > > Tell Joel I said Hi. I like everything about RTEMS except the GPL that > > has infested it. I wish we could convince OARcorp to shed this and come > > up with a license that allows binary distribution. The licensing issue > > is the primary advantage eCOS has over RTEMS at this time, doubly ironic > > now that RootHack owns eCOS. > > I am sorry for missing this. I was out of town at the time > and just now cleaning my inbox down to that point. > > RTEMS is not pure-GPL -- it does allow binary redistribution. It also > has an exception that allows linking RTEMS with an application without > causing the application to be covered by the GPL. Which are the only two complaints I have about the GPL vis-a-vis embedded code. Thanks for clearing this up, Joel. You will be (once again) featured prominently in an upcoming Daemon's Advocate. In fact, you may have come up with an almost perfect license, and certainly an interesting point of conversation. And, I've decided this weekend, RTEMS will be featured in at least some part of my OpenSail project. I'm leaning towards Linux or BSD on the "main" processor, mostly to make it easy for relatively untrained programmers to add applications to the system, but we will be making some interesting LCD displays, which will need a good, fast, tight embedded OS. Is there an existing port of RTEMS to the DragonBall? In particulary, we've been eye- balling the Lineo uCsimm development board. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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