CMSIS?

Daniel Gutson daniel.gutson at tallertechnologies.com
Tue Sep 2 14:52:44 UTC 2014


On Tue, Sep 2, 2014 at 11:51 AM, Joel Sherrill
<joel.sherrill at oarcorp.com> wrote:
> This is the license.
>
> The big problem I see first is the typical use only on our hardware
> and that in order to redistribute, we must ensure that it is only
> used on ARM hardware.
>
> This is a common restriction on vendor provided software and I
> honestly don't know how to address including anything which
> wants an open source project to ensure that anyone downloading
> only uses it on the appropriate hardware.
>
> We have seen similar licenses from at least four vendors.
>
> If someone is able to crack this nut and find a way to not incur
> liability for the RTEMS Project, I am open to ideas. But skeptical.

Would this mean that an implementation from scratch would be the best choice?


>
> --joel
>
> ========================================================
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> ========================================================
> On 8/29/2014 11:52 PM, Chris Nott wrote:
>> Absent answer means no.
>>
>> I had the same idea. Actually I have played around with using vendor
>> libraries from TI and ST, and there is no problem compiling them in. I
>> can't see any reason CMSIS wouldn't fit in fine too. Actually from
>> memory the useful parts of CMSIS comprise two parts, ARM specific
>> intrinsic instructions and register locations in a header file, and
>> reasonable math libraries. It shouldn't be a bit deal to use these, I
>> would ignore the CMSIS linker scripts and such though.
>>
>> I would like to see CMSIS and parts of the vendor libraries integrated
>> with RTEMS if possible, but I am uncertain about licensing
>> compatibility. It seems daft to have to rewrite register locations and
>> platform specific instructions if the vendors provide them..
>>
>> Regards,
>> Chris.
>>
>>
>> On 29/08/2014 10:04 AM, Daniel Gutson wrote:
>>> absent answer means NO?
>>>
>>> Thanks,
>>>
>>>      Daniel.
>>>
>>> On Thu, Aug 28, 2014 at 11:31 AM, Daniel Gutson
>>> <daniel.gutson at tallertechnologies.com> wrote:
>>>> Hi,
>>>>
>>>>     is there any precedent regarding a CMSIS abstraction layer
>>>> implementation on RTEMS?
>>>>
>>>> Thanks,
>>>>
>>>>     Daniel.
>>>>
>>>> --
>>>>
>>>> Daniel F. Gutson
>>>> Chief Engineering Officer, SPD
>>>>
>>>>
>>>> San Lorenzo 47, 3rd Floor, Office 5
>>>>
>>>> Córdoba, Argentina
>>>>
>>>>
>>>> Phone: +54 351 4217888 / +54 351 4218211
>>>>
>>>> Skype: dgutson
>>>
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>
> --
> 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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-- 

Daniel F. Gutson
Chief Engineering Officer, SPD


San Lorenzo 47, 3rd Floor, Office 5

Córdoba, Argentina


Phone: +54 351 4217888 / +54 351 4218211

Skype: dgutson



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