[OE-core] [PATCH 1/2] armv8: update to use armv8-a tune

[Khem Raj]

On Tue, Aug 1, 2017 at 8:24 AM, Mark Hatle <mark.hatle at windriver.com> wrote:
> On 8/1/17 10:20 AM, Khem Raj wrote:
>> On Tue, Aug 1, 2017 at 8:17 AM, akuster808 <akuster808 at gmail.com> wrote:
>>>
>>>
>>> On 07/31/2017 12:04 PM, Khem Raj wrote:
>>>>
>>>>
>>>> On 7/31/17 10:51 AM, Mark Hatle wrote:
>>>>>
>>>>> On 7/31/17 12:40 PM, akuster808 wrote:
>>>>>>
>>>>>>
>>>>>> On 07/31/2017 10:31 AM, Mark Hatle wrote:
>>>>>>>
>>>>>>> On 7/31/17 12:16 PM, Armin Kuster wrote:
>>>>>>>>
>>>>>>>> Signed-off-by: Armin Kuster <akuster808 at gmail.com>
>>>>>>>> ---
>>>>>>>>   meta/conf/machine/include/arm/arch-armv8.inc | 25
>>>>>>>> +++++++++++++++++++++++++
>>>>>>>>   1 file changed, 25 insertions(+)
>>>>>>>>
>>>>>>>> diff --git a/meta/conf/machine/include/arm/arch-armv8.inc
>>>>>>>> b/meta/conf/machine/include/arm/arch-armv8.inc
>>>>>>>> index 5e832fa..dc1ba5e 100644
>>>>>>>> --- a/meta/conf/machine/include/arm/arch-armv8.inc
>>>>>>>> +++ b/meta/conf/machine/include/arm/arch-armv8.inc
>>>>>>>> @@ -1 +1,26 @@
>>>>>>>> +DEFAULTTUNE ?= "armv8-a"
>>>>>>>
>>>>>>> do we want the '-a'?  The other arm (7) are of the format armv7a (no
>>>>>>> '-').
>>>>>>
>>>>>> works for me either way.
>>>>>>
>>>>>> While we are at it. How would we want ‘armv8.1-a’, ‘armv8.2-a’,
>>>>>> ‘armv8.3-a'
>>>>>> formated as?
>>>>>
>>>>> My preference is to drop the '-'.  As for the '.', I'm not sure.. not
>>>>> something
>>>>> we've run across before.
>>>>>
>>>>> We could just drop it (the '.'), but it really depends on if armv81a
>>>>> would
>>>>> confuse someone (familiar with arm) or not.
>>>>
>>>> I would suggest to also sync  with other distros and ensure that we dont
>>>> do something different. Its very costly later. Since applications get
>>>> ported to most common combination
>>>
>>> Sync what part? naming of file? ( sorry lost regarding your comment)
>>
>> naming convention for arch e.g.
>>
>
> I'd say Debian/Ubuntu -- Fedora/RH would be the two primary sources I'd look at.
>  Between debian package names and RPM package names, it should give a clue if
> there is any community standard forming for those names.
>
> (May still be too premature for those environments for the armv8.X-a naming...
> and I've not seen it discussed on any other lists either.)

yeah, it will be good to not go through the pain of community doing
something else later
like *-*-gnueabihf triplet was invented and to date we keep fixing
packages for OE
to account for gnueabihf can be gnueabi + -mfloat-abi=hard but
packages just assume


>
> --Mark