Hi Ritesh,
On Wed, Aug 20, 2014 at 11:28 AM, Ritesh Harjani <ritesh.harj...@gmail.com> wrote: > Hi All, > > I have been following RTEMS from quite some time rather I would say my > questions have been on & off from this community (although I haven't > contributed anything yet). So, this mail is mainly regarding some help from > the community members so that I can pitch in to contribute something to this > community. > > Based on my knowledge I would like to start from ARM bsps/raspberry pi as I > am seeing quite lot of development activity going on in these areas. > > If someone can guide me with the following activities it would be great: > > 1. I need to just start something, may be with a small patch (which should > be related to the above mentioned area): > Earlier I thought of starting with some driver development but without > having basic knowledge of RTEMS file structure/other areas, I wasn't able to > complete it. > > 2. Need to understand the boot flow and the code initialization routine > which can give me an idea as to where all and what all drivers are present > etc etc.. > > > Later may be I can think of porting/developing some driver for any ARM bsp. > > > Background activity done till now: > > 1. Followed all the steps in Alan's Blog > (http://alanstechnotes.blogspot.in/2013/03/running-your-first-rtems-program-on.html): > I was able to run ticker.exe sample test on Raspberry pi. Although there are > some doubts which I have asked below. > > 2. Ordered OpenOCD based JTAG board. Once this comes I will make this JTAG > board start working. > > > Queries: > 1. Is by default raspberry pi MMU enabled and all the page table are setup > ?(from HEAD of git://git.rtems.org/rtems.git) > > 2. I cannot see any libmmu tests which I think Hesham developed during GSOC > 2013 ? > Do we keep this into different git ? > Some of my project code has been merged (mainly low-level parts of libmm implemented for Raspberry Pi). The other code is held in my old github repo here https://github.com/heshamelmatary/rtems-gsoc2013 > 3. With OpenOCD and gdb is it possible to see all the CP15 coprocessor > registers on ARM ? > > 4. How was Hesham able to debug and see the MMU register settings(like > SCTLR.MMU) during his work on GSoc 2013 libmmu development for raspberry pi > ? Was it QEMU ? > I was using QEMU for debugging Xilinx Zynq BSP, as well as Realview. For Raspberry Pi (worked on the HW board, no simulators), I just used printf to print out the values of registers which I need to peek into. > > > Please feel free to guide me through the work plan if anyone have in his/her > mind for ARM bsps. > > > > Thanks > Ritesh Harjani > > > > > > > > > > _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
