From mboxrd@z Thu Jan 1 00:00:00 1970 From: vikram186@gmail.com (Vikram Narayanan) Date: Tue, 19 Apr 2011 23:54:56 +0530 Subject: Architecture specific implementations for tickless kernel In-Reply-To: <4DADD1AE.8080300@gmail.com> References: <4DADD1AE.8080300@gmail.com> Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org Yes. My question is pointed towards uClinux. I am sorry. I forgot to mention that in the first post /neo On Tue, Apr 19, 2011 at 11:47 PM, Chaitannya Mahatme wrote: > On Tuesday 19 April 2011 10:53 PM, Vikram Narayanan wrote: > > Hi, > I am developing a BSP for a ARM Cortex-M3 (no MMU) based board. In order to > have tickless kernel and deferrable timers, what are the architecture > specific implementations. Is the clocksource and clockevent data structures > enough? How to hook those timers to the tickless implementation of the > kernel/timer.c. Can some one point out any examples that already have this > feature enabled and also in the kernel tree. > > And also, are clocksoure and clockevents dependent on each other? I see in > some platforms, that they have used 2 different timers for the above. If it > can be used so, which ties up the clocksource and clockevent? > > Thanks in advance > neo > > > _______________________________________________ > Kernelnewbies mailing listKernelnewbies at kernelnewbies.orghttp://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > Since you have mentioned that there is no MMU, you cannot port Linux > kernel onto it. You would be mostly be looking forward to uclinux or bare > metal programming. > Is your question specific to uclinux ? > > -- > Cheers !!! > Chaitannya > > follow me on twitter http://twitter.com/chaitannya > > I believe there's a hero in all of us > who keeps us honest, gives us strength, makes us noble, and finally allows > us to die with pride, > even though sometimes we have to be steady, and give up the thing we want > the most... even our dreams. > - Spider Man 2 > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20110419/7509761b/attachment.html