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Date: Wed, 7 Dec 2016 18:55:56 -0600
From: Rob Landley <rob@...dley.net>
To: musl@...ts.openwall.com
Subject: Re: cortex-m support?


On 12/07/2016 09:35 AM, Szabolcs Nagy wrote:
> * Szabolcs Nagy <nsz@...t70.net> [2016-12-07 16:29:37 +0100]:
>>
>> fdpic arm is interesting too but it would be better
>> if there was an abi spec (so there is no toolchain
>> compatibility issue).
>>
> 
> ok it seems somebody wrote this:
> https://github.com/mickael-guene/fdpic_doc/blob/master/abi.txt
> 
> it's just not upstreamed anywhere (and not specified by the vendor)

Ah, that's one of the three authors of this:

http://www.slideshare.net/linaroorg/sfo15406-arm-fdpic-toolset-kernel-libraries-for-cortexm-cortexr-mmuless-cores

Although emcraft.com (the company whose full-time business has been
"Linux on Cortex-M" for over 5 years) is in Moscow. Their fdpic support
patch in their kernel is:

https://github.com/EmcraftSystems/linux-emcraft/commit/673205bf926b

And it looks like it was a port of the work of those guys.

Not sure where you get the relevant gcc patch...

Rob

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