From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <54C74D86.9030101@xenomai.org> Date: Tue, 27 Jan 2015 09:34:14 +0100 From: Philippe Gerum MIME-Version: 1.0 References: <20150127081901.GA5658@localhost.localdomain> In-Reply-To: <20150127081901.GA5658@localhost.localdomain> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] rtdm on mercury List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Cochran , xenomai@xenomai.org Hi Richard, On 01/27/2015 09:19 AM, Richard Cochran wrote: > Hallo list, > > I have been just getting to know xenomai-3 after a long time of > xenomai abstinence. IIRC, there has been some talk in the past of > supporting rtdm in mercury for both user space and drivers. But > looking at the present state, I don't see any sign of this having been > implemented. > > Am I missing something? > > [ background: wanting to write a driver for custom FPGA based hardware > device, and the driver should work with and without cobalt. I have > done this before by making the driver code portable to both normal > kernel and rtdm. It would be nice to be able to write a pure rtdm > driver and have it "just work" in a plain kernel. ] > This work is still in the planning stage. We had to wait for the dust to settle on the RTDM API changes that took place in 3.x. Implementing a revised version of the native incarnation of RTDM is next. -- Philippe.