Re: [RFC v2] Add support for Xen ARM guest on FreeBSD
On 02/12/2014 18:30, Warner Losh wrote: Hey Julien, Hi Warner, Have you rebased your patch train after Andrew’s commits? I just pushed a new branch rebased on the latest master: git://xenbits.xen.org/people/julieng/freebsd.git branch xen-arm-v2.2 I can re-export the patch into files if necessary. Regards, -- Julien Grall ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
Re: [RFC v2] Add support for Xen ARM guest on FreeBSD
Hey Julien, Have you rebased your patch train after Andrew’s commits? Warner > On Dec 2, 2014, at 8:31 AM, Julien Grall wrote: > > Hello Andrew, > > On 28/11/2014 13:57, Andrew Turner wrote: >> On Sun, 23 Nov 2014 22:35:36 + >> Julien Grall 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. signature.asc Description: Message signed with OpenPGP using GPGMail
Re: [RFC v2] Add support for Xen ARM guest on FreeBSD
Hello Andrew, On 28/11/2014 13:57, Andrew Turner wrote: On Sun, 23 Nov 2014 22:35:36 + Julien Grall 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. Regards, -- Julien Grall ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
Re: [RFC v2] Add support for Xen ARM guest on FreeBSD
On Sun, 23 Nov 2014 22:35:36 + Julien Grall wrote: > Hello all, > > At the beginning of the year, I have sent a first RFC to add support > for FreeBSD on Xen ARM [1]. ... > 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. > > 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. 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. ... > > 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. > * Only FreeBSD to load anywhere. Currently there is a 2M > alignment which require a patch in Xen. If you use the loader this will be fixed as the loader can load the kernel at the correct alignment. ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
