[fedora-arm] Cheap ARM devices

[Adam Miller]

On Thu, Mar 4, 2010 at 2:03 PM, Dan Horák <dan at danny.cz> wrote:
> Dennis Gilmore píše v Čt 04. 03. 2010 v 13:49 -0600:
>> On Thursday 04 March 2010 01:26:07 pm Chris Tyler wrote:
>> > On Thu, 2010-03-04 at 12:04 -0600, Adam Miller wrote:
>> > > RAM is a really good point, I think it will be in the ballpark of 256
>> > > (plus or minus a bit). Also, I'd like to open up the conversation
>> > > about version of ARM we as a SIG want to support as the efforts start
>> > > to ramp up while targeting popular devices. I think ARMv9 might be a
>> > > little too aggressive but are there any devices that are still
>> > > prominent that are ARMv5? Would it be possible (or even feasible) to
>> > > maintain ARMv5, ARMv7, and ARMv9 in parallel and treat them as
>> > > separate architectures?
>> >
>> > The ARM "Family" vs. "Architecture" numbering is wonky (and very
>> > frustrating - larger numbers don't reliably mean newer, bigger, faster,
>> > or better). The SheevaPlug uses an "ARM9E" family chip, which uses the
>> > "ARMv5TEJ" architecture. ARMv5 is a needed current target for that
>> > device and others.
>> >
>> > However, the popular Cortex chips use ARMv6M and ARMx7* architecture. Is
>> > there enough performance difference to warrant targeting both
>> > independently? And just the kernel, or userspace as well?
>>
>> I suspect building different optimised glibc andl openssl might be enough.
>> there could be some other packages that could benefit from different
>> optimisations  things like theora  etc.
>
> That's also my opinion.
>
>
> Dan
>
>
> _______________________________________________
> arm mailing list
> arm at lists.fedoraproject.org
> https://admin.fedoraproject.org/mailman/listinfo/arm

This really might be my ignorance in the ARM world shining, but a big
point I would worry about would be power management support that I
assume would matter on the versions as they are SOC. But at the same
time I don't even know that has to do with the software. Anyone have
any insight into this?

-AdamM

-- 
http://maxamillion.googlepages.com
---------------------------------------------------------
()  ascii ribbon campaign - against html e-mail
/\  www.asciiribbon.org   - against proprietary attachments