[Arm-netbook] Arm processors

Luke Kenneth Casson Leighton lkcl at lkcl.net
Thu Mar 2 04:22:05 GMT 2017


On Thu, Mar 2, 2017 at 12:49 AM, zap <zapper at openmailbox.org> wrote:
>
>
> On 03/01/2017 06:58 PM, John Luke Gibson wrote:
>> And, Luke mentioned inquiries being made about using RISC-V in a 100%
>> open core board. That's probably a more longterm slightly optimistic
>
> ah okay fair enough. I was just curious if he planned to reverse
> engineer ones with 8gb or more in the later future.

 reverse-engineering i have come to the conclusion is a total - and
criminal - waste of time and effort.  by the time all features are
100% stable it's several YEARS down the line.  look at how long ago
the A64 was released, and the libdram code STILL HAS NOT BEEN
REVERSE-ENGINEERED.  it's 200 lines of code for fuck's sake.

 NO.

 read this, zap:

 https://www.crowdsupply.com/eoma68/micro-desktop/updates/picking-a-processor

that should give you some idea of how insane pretty much every single
fabless semiconductor company really is.  they're just not paying
attention: every single one of them makes at least one compromise,
somewhere, and because it's an *integrated* SoC there's absolutely
nothing that can be done about it.

so we need to be of the order of a MILLION units to be in a position
to influence these people.  and if you're going for a million units,
you might as well get your own SoC custom-made.

 anyone knows of an open silicon H.264 and MPEG design that is capable
of up to 1080p60 video decode, do let me know.

l.



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