Date: Tue, 2 Dec 2014 11:30:14 -0700 From: Warner Losh <imp@bsdimp.com> To: Julien Grall <julien.grall@linaro.org> Cc: Ian Campbell <Ian.Campbell@citrix.com>, Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, freebsd-xen@freebsd.org, freebsd-arm <freebsd-arm@freebsd.org>, Denis Schneider <v1ne2go@gmail.com>, gibbs@freebsd.org, roger.pau@citrix.com Subject: Re: [RFC v2] Add support for Xen ARM guest on FreeBSD Message-ID: <B47D5F0D-4C91-4F43-A436-F67522EEE8EA@bsdimp.com> In-Reply-To: <547DDB4B.6060506@linaro.org> References: <54726138.3090003@linaro.org> <20141128135737.23a71643@bender.lan> <547DDB4B.6060506@linaro.org>
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[-- Attachment #1 --] Hey Julien, Have you rebased your patch train after Andrew’s commits? Warner > On Dec 2, 2014, at 8:31 AM, Julien Grall <julien.grall@linaro.org> wrote: > > Hello Andrew, > > On 28/11/2014 13:57, Andrew Turner wrote: >> On Sun, 23 Nov 2014 22:35:36 +0000 >> Julien Grall <julien.grall@linaro.org> wrote: >>> Major changes in this new version: >>> * Add Device Tree support via Linux Boot ABI >>> * Add zImage support >>> * Netfront support >>> * Blkfront fixes >>> * DOM0 support (separate branch see below) >>> >>> The former item is very hackish. I was wondering if there is another >>> way to do it? Or maybe we should support FreeBSD Bootloader in ARM >>> guest? >> >> I think using the loader is the correct way to handle booting in Xen. It >> allows us to relocate the dtb as required. It look like a zImage then >> use the Xen console to interact with the user. > > Thanks, I will give a look to this solution. > >>> >>> The patch series is divided in X parts: >>> * #1 - #14: Clean up and bug fixes for Xen. They can be >>> applied without the rest of the series >>> * #15 - #19: Update Xen interface to 4.4 and fix >>> compilation. It's required for ARM. >>> * #20 - #26: Update Xen code to support ARM >>> * #27 - #33: Rework the event channel code for supporting >>> ARM. I will work with Royger to come with a common interface with x86 >>> * #34 - #36: Add support for ARM in Xen code >>> * #37 - #46: ARM bug fixes and new features. Some of thoses >>> patches (#37 - #40) could be applied without the rest of the series >>> * #47 - #48: Add Xen ARM platform >> >> I have committed patches 30 and 40 as they look good. > > Thanks! > >> I'm not familiar >> with the code to review 37 or 38, however from my quick look at 38 I >> appears _bus_dmamap_load_buffer does take in to account buflen and >> dmat->maxsegsz when setting sgsize just not dmat->alignment. > > Right, I guess I could just keep the roundup2. > >> >> ... >>> >>> TODO: >>> * Add SMP/PSCI support in FreeBSD. Could be useful other >>> platform too >> >> Adding PSCI support is on my TODO lost for arm64, however I don't >> expect to get on ti in until early next year. > > BTW, what is the actual status of the ARM64 port? I plan to give a look > for adding Xen support too. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJUfgU2AAoJEGwc0Sh9sBEAqIQP/Rx3lyiz1spiwso9X2aKl4qk RMCKlQPUsujqoNa29nEtzNjmRidzXbgm3VV/fBOXkLkKefZ8vwgVoPCHOBd/9zua qmnAGyfju+xDw5LPeRrsPOLXA4OctOPEG7vJy+52tdyKDYpB2F+P60Y8NuttL3wR sVrHbo7V9PzmoQBzFgmCWaMg1A86K6O50b9uRZREL8qX4x+cx/M97bUmH0AbaesE 5bA+Avn9RmN3lmaIWCcTFMDj6zkplLBOaB4pBMf5+JpDYw8Tm8kF7jWXkUgLqzRn 9HFLjJMlDDWSdyG0vOAzUeyaQBlg+u7LcpgIlkKk4awNcoLTc5uUvaDr+re8eYny eW1FBzyujK9N8Itc68m4k4CcYbBMlKLxzJHAnNt3Te+3JFrAIzI4H9cRX8Q1qmFC o+Nbr5h2S2rMZfl3qRtIj0JTtnRjs9PGug4Bv3vIVujBZ67rRepyMkuKjBrXfKBR lqTntSHnkD7jNEwyLBXxy50Mq9jJopI8uBEBmLWJ1RdEudcWlTSpxDEv5qiPjMhf XEeGg8CaEAY/vuixibDqzzM0MthX/XFAH3ubboAUPEGIPiAOXcMLMJOnw5JtrjZK zQ7UWQh2ie33Zb9LMrP3t6+71SN6G0ZbiDpRlD/RJ1neBpnsnQgwSkQBu7PPa+u/ gk/rYNoAnGOyvay0YYeV =gSrq -----END PGP SIGNATURE-----home | help
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