Date: Mon, 16 Aug 2010 08:15:33 +1200 From: Andrew Turner <andrew@fubar.geek.nz> To: "M. Warner Losh" <imp@bsdimp.com> Cc: freebsd-arm@freebsd.org Subject: Re: FreeBSD EABI ARM & Network boot image howto? Message-ID: <20100816081533.30ff461f@fubar.geek.nz> In-Reply-To: <20100815.085312.690091871549704621.imp@bsdimp.com> References: <1281869630.24339.63.camel@xeon.thinmesh.com> <20100815.085312.690091871549704621.imp@bsdimp.com>
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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. Andrewhome | help
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