[CXP] some questions about "Common Xenomai Platform"

Hailong hailongliiu at yeah.net
Sun Jan 10 02:52:06 CET 2021


> 
> Hailongliu <hailongliiu at yeah.net> writes:
> 
>> On 1/7/21 11:59 PM, Greg Gallagher wrote:
>>>
>>>
>>> On Thu, Jan 7, 2021 at 10:53 AM hailong via Xenomai <xenomai at xenomai.org <mailto:xenomai at xenomai.org>> wrote:
>>>
>>>      At 2021-01-04 01:38:04, "Philippe Gerum" <rpm at xenomai.org <mailto:rpm at xenomai.org>> wrote:
>>>      >
>>>      >Hailongliu via Xenomai <xenomai at xenomai.org <mailto:xenomai at xenomai.org>> writes:
>>>      >
>>>      >> Hi,
>>>      >>
>>>      >> I learned the "Common Xenomai Platform" program from this mail-list and wiki
>>>      >> of project Xenomai. This is a very attractive plan, as it will port Xenomai for
>>>      >> recent LTS kernel(v5.10).
>>>      >>
>>>      >> I noticed that  March 31, 2021 is the deadline for "CXP", dose that mean we
>>>      >> can expect the new features at Xenomai-3.3 ?
>>>      >
>>>      >Yes, that is the plan. Xenomai 3.3 is going to be the first release
>>>      >fully implementing the CXP. Xenomai 4 which is going to use a different
>>>      >real-time core will be developed in parallel to Xenomai 3.3, aiming at
>>>      >CXP-compliance too. It should be clear that March 31, 2021 is the date
>>>      >for completing the CXP specification, not that of any release
>>>      >implementing it, which can only happen later by definition.
>>>      >
>>>
>>>      Will the CXP or Xenomai 4 compatible with RT-patch over time?
>>>      In addition,   I learned that the legacy RTOS emulators (such as VxWorks)
>>>      will be excluded from Xenomai 3.x , neither Xenomai 4?
>>>
>>> That is correct, we don't have the resources to continue to support the RTOS emulators.  I believe it was left open that if someone
>>> wants to take this on as a maintainer they could be included.
>>>
>>
>> Thank you for your kind reply.
>>
>> Our work team members now are hesitating about which kernel version to choose
>> as our development baseline for Xenomai between linux-5.10 and linux-5.4,
>> because we find that there is a evl branch based on linux-5.4 but not for
>> linux-5.10 currently.
> 
> Yes there is, see evlproject.org. evl/master is based on v5.10 mainline.
> 
>>
>> And we also want to know the compatibility between the Xenomai4 and rt-patch.
>>
> 
> Compatible.
> 

I see, thank you for your kind reply.

Thanks.




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