RTEMS toolchain for Epiphany?
heshamelmatary at gmail.com
Thu Nov 13 17:56:32 UTC 2014
I want to let you know that I found their main repos  Can I start from
there? Imitating what has been done with OpenRISC?
On Thu Nov 13 2014 at 3:29:14 PM Hesham Moustafa <heshamelmatary at gmail.com>
> On Thu Nov 13 2014 at 2:59:33 PM Joel Sherrill <joel.sherrill at oarcorp.com>
>> On 11/13/2014 8:07 AM, Joel Sherrill wrote:
>> > On November 13, 2014 6:30:48 AM CST, Hesham Moustafa <
>> heshamelmatary at gmail.com> wrote:
>> >> Hi all,
>> >> I want to ask about the status of RTEMS toolchain for Epiphany
>> >> architecture. I think Joel mentioned that there are some previous
>> >> support for it; and if yes, does the toolchain need some additional
>> >> work?
>> > To give you a quick answer, I emailed the people who did the port.
>> There apparently is a github repo with some of it and some is merged. I
>> will dig through the emails and post the proper links.
>> > One issue they mentioned was that the gdb port had many core/thread
>> support that made it more than a simple port.
>> From Jeremy Bennett:
>> > piphany tool chain development runs on quite a tight budget, and its
>> > GDB implementation is quite complex (it has to pretend cores are
>> > threads, when they don't completely share an address space). So we
>> > haven't had the effort to devote to upstreaming. And we were
>> > reluctant to push the simulator upstream without a GDB implementation
>> > to go with it. You can of course access the code here:
>> > https://github.com/adapteva/epiphany-binutils-gdb
>> > Epiphany GDB is still in quite substantial flux, due to the need to
>> > support the Eclipse multicore visualizer with asynchronous and
>> > non-stop support.
>> The upstream gcc and newlib are OK. But since binutils and gdb are
>> now in a single repo, it will need to come from the github site until
>> it is merged upstream. And obviously patches just need to go upstream
>> to whereever the code is. :)
>> Jeremy also encouraged you to openly discuss things on their forums.
>> He thought you would get good insight and advice there. And I don't
>> doubt that.
>> Thank you, I will.
>> If it is a relatively low volume place, I may track it. But my email
>> is already high and I don't have time to poke around on a bulletin board.
>> > It will not have RTEMS as a target but that shouldn't be hard to
>> address once we know where the master binutils, GCC, Newlib, and gdb are.
>> So do you want me to try to build a toolchain and get you some starting
> Sure that will definitely help as a starting point. And if you are so
> busy, you can just drop me HOWTO instructions.
>> > Then you are porting.
>> >> Regards,
>> >> Hesham
>> > _______________________________________________
>> > devel mailing list
>> > devel at rtems.org
>> > http://lists.rtems.org/mailman/listinfo/devel
>> Joel Sherrill, Ph.D. Director of Research & Development
>> joel.sherrill at OARcorp.com On-Line Applications Research
>> Ask me about RTEMS: a free RTOS Huntsville AL 35805
>> Support Available (256) 722-9985
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