Date: Sun, 15 Aug 2010 08:53:12 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: john@thinlinx.com Cc: freebsd-arm@freebsd.org Subject: Re: FreeBSD EABI ARM & Network boot image howto? Message-ID: <20100815.085312.690091871549704621.imp@bsdimp.com> In-Reply-To: <1281869630.24339.63.camel@xeon.thinmesh.com>
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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.
: (2) I can build a Linux image which contains the Kernel and a root file
: system in one file which is great for network booting, can I do
: something similar with FreeBSD?
Yes. You can add MD_ROOT and MD_ROOT_SIZE to your kernel config
file. MD_ROOT_SIZE sets the size of the ram disk. You can build an
image from a directory tree using makefs. You can use
sys/tools/embed_mfs.sh into the image.
Much of this can be automated with the MFS_IMAGE makeoption on arm.
Warner
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