Date: Thu, 31 Mar 2011 17:02:47 +0200 From: Damjan Marion <damjan.marion@gmail.com> To: Mark Tinguely <marktinguely@gmail.com> Cc: freebsd-arm@freebsd.org Subject: Re: Beagleboard stuff Message-ID: <9BD97855-B47E-4CF0-8DC5-29F1F4A8EA27@gmail.com> In-Reply-To: <4D947EF5.90108@gmail.com> References: <E1Q4X5B-000J64-DJ@groundzero.grondar.org> <20110329150903.GA4069@ci0.org> <7519F558-CEA3-41A9-8AA6-5A3234C4F1A8@gmail.com> <1301451934.2217.19.camel@nsl> <4D92EE2D.8000107@gmail.com> <4D947EF5.90108@gmail.com>
index | next in thread | previous in thread | raw e-mail
Hi Mark, On Mar 31, 2011, at 3:17 PM, Mark Tinguely wrote: > I have been thinking of the ARMv7 / SMP infrastructure. > > http://www.tinguelys.info/mark/freebsd/v7Roadmap.txt > > Disclaimer: recently, I am less sure that all ARMv6 cores can do TEX remap. > > To really take advantage of the new ARM features, we need a newer compiler. I have an old hacked up early gcc 4.5 snapshot, but it does not compile itself. clang does not cross compile and I have not tried to compile it under ARM. > > Does the OMAP4 implement the MP extensions? They would simply the SMP coherency/TLB operations by not having to perform an IPI. OMAP 4 uses standard Cortex-A9 core. Can you take a look into "ARM DDI 0407" document? It describer MPCore functionality on Cortex-A9 CPUs so it will probably answer your question. Damjanhome | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?9BD97855-B47E-4CF0-8DC5-29F1F4A8EA27>