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Date:      Mon, 16 Aug 2010 07:23:25 +1000
From:      John Nicholls <john@thinlinx.com>
To:        Andrew Turner <andrew@fubar.geek.nz>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: FreeBSD EABI ARM & Network boot image howto?
Message-ID:  <1281907405.27697.19.camel@xeon.thinmesh.com>
In-Reply-To: <20100816081533.30ff461f@fubar.geek.nz>
References:  <1281869630.24339.63.camel@xeon.thinmesh.com> <20100815.085312.690091871549704621.imp@bsdimp.com> <20100816081533.30ff461f@fubar.geek.nz>

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On Mon, 2010-08-16 at 08:15 +1200, Andrew Turner wrote:
> On Sun, 15 Aug 2010 08:53:12 -0600 (MDT)
> "M. Warner Losh" <imp@bsdimp.com> wrote:
> 
> > In message: <1281869630.24339.63.camel@xeon.thinmesh.com>
> >             John Nicholls <john@thinlinx.com> writes:
> > : Special thanks to Yohanes Nugroho & Greg Ansley for the fantastic
> > work : they have done with the FreeBSD port to the AT91SAM9G20. Great
> > to see : FreeBSD gaining more traction in the embedded World :)
> > : 
> > : I have a couple of questions,
> > : 
> > : (1) I noticed a significant performance boost under Linux when
> > Linux ARM : moved to EABI, are there any plans for a EABI FreeBSD
> > version? : 
> > : http://wiki.debian.org/ArmEabiPort
> > 
> > People have talked about it, but so far nothing concrete has been
> > done, to my knowledge.
> 
> I had a look at this over the weekend. I managed to get a userland
> compiled with the current abi into single user mode on a kernel
> compiled with -mabi=aapcs-linux (gnueabi). The main problem I found
> was the change in packing for structs causing strange behaviour in
> userland.
> 
> My plan is to clean up the code and post it somewhere for further
> testing.

That's great news Andrew!

Debian Linux have dropped support for the old ARM and moved to ARMEL, I
hope FreeBSD moves in this direction also...

John
 

> Andrew





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