Date: Mon, 3 Oct 2016 07:55:37 -0600 From: Warner Losh <imp@bsdimp.com> To: Emmanuel Vadot <manu@bidouilliste.com> Cc: Da Rock <freebsd-arm@herveybayaustralia.com.au>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: u-boot efi option Message-ID: <CANCZdfrD9z67bzdNM-mpc7kOqz3cF5joKjvywEOf1S-avbr81A@mail.gmail.com> In-Reply-To: <20161003122309.6ab5f4b3c94c33355b682ade@bidouilliste.com> References: <36160c78-9095-f716-8041-3eb7656642af@herveybayaustralia.com.au> <20161002123700.662f2868688b4b32465395aa@bidouilliste.com> <CANCZdfoaV90H4qSNy64sLgFnnP7hePXbbT6jOX-R1GFiNksR%2Bg@mail.gmail.com> <20161003103247.78ff7596607755ce0f204648@bidouilliste.com> <c6134956-9b3e-421c-d59d-09b08dc7701b@herveybayaustralia.com.au> <20161003122309.6ab5f4b3c94c33355b682ade@bidouilliste.com>
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Sounds like we should target 12 to be EFI only then, or at least EFI
preferred with our infrastructure setup to cope.
Why is there a 512k alignment requirement? Or is that just the typical
512k at the start of the disk is needed for uboot issue?
Warner
On Mon, Oct 3, 2016 at 4:23 AM, Emmanuel Vadot <manu@bidouilliste.com> wrote:
> On Mon, 3 Oct 2016 19:01:30 +1000
> Da Rock <freebsd-arm@herveybayaustralia.com.au> wrote:
>
>> A few points that I'd like clarification on:
>>
>> 1. I'm not having much success on rpi3 with any images, but I'm working
>> on my own 64bit anyway. I'm also trying to get a handle on what the
>> process of running the system on the rpi3 actually is as well. Fun... :)
>> So the 512kb alignment, why is that an issue? Perhaps I'm a little
>> foggy, but isn't that simply a case of partitioning correctly?
>
> I don't know exactly to be honest, I have to read a lot of code.
>
>> 2. I should have mentioned this initially (which is why I was checking
>> efi status to see if I was banging on for no reason), but I'm having
>> trouble (still) compiling u-boot version that has the efi capability
>> (2016.09) - can't find <sys/_types.h>. I've tried with clang (x18 error)
>> and gcc to no avail. I tried leveraging ports, but it is not exactly
>> cooperating either (I'll have to try some more diags on that). Anyone
>> have a clue on how to get past this? -I doesn't work, or linking to
>> /usr/local/include.
>
> - Install {arm,aarch64}-none-{eabi,elf}-{gcc,binutils}
> - cd uboot-src
> - gmake ARCH={arm,arm64} CROSS_COMPILE={arm,aarch64}-none-{eabi,elf}-
> XXX_defconfig
> - gmake ARCH={arm,arm64} CROSS_COMPILE={arm,aarch64}-none-{eabi,elf}-
>
> I've never tried with clang.
>
>> 3. My other query was on the EFI boot process on arm. As I understood,
>> the u-boot is equivalent to boot0? So that means boot1 should then be in
>> the fat partition? Is that what you mean by /efi/boot/bootarm.efi? Or
>> doesn't it need to be?
>
> U-Boot can be seen as BIOS/boot0 combined.
> Yes boot1.efi MUST be on the fat partition and by default an EFI
> firmware will load /efi/boot/boot${ARCH}.efi
>
>> Apologies if I sound like a complete goose, but I'm still new to all
>> things arm yet - but learning fast :)
>
> Don't worry, this motivate me more to do a page on the wiki about UEFI
> on arm :)
>
>> On 03/10/2016 18:32, Emmanuel Vadot wrote:
>> > I've never had any problem with it (I know it doesn't really answer to
>> > your question).
>> > SuSe have switch to EFI (the main developer for U-Boot
>> > EFI is from SuSe), OpenBSD too.
>> >
>> > The main problem right now for people to test is that the partition
>> > on the arm images that we provide aren't aligned for it to work.
>> >
>> > I either need to fix the bug for non 512kb-aligned partition or
>> > aligned them in the release scripts.
>> >
>> > Also I don't know which ports-tree re@ is using for snapshots. I think
>> > that they use the latest quarterly for release and stable.
>> > So we have to be carefull when we will switch the ports to UEFI.
>> >
>> > In the meantime don't hesitate to test with my patch.
>> >
>> > If you have the correct dtb in /dtb/ on the msdos part U-Boot will load
>> > it.
>> > For booting automatically just put boot1.efi as /efi/boot/bootarm.efi
>> >
>> > On Sun, 2 Oct 2016 16:06:37 -0600
>> > Warner Losh <imp@bsdimp.com> wrote:
>> >
>> >> How long do you think until this is mature enough we can cut over to it?
>> >> There's issues with ubldr on newer u-boot version on some of the platforms
>> >> we support. If we could cut over to this, that would be great.
>> >>
>> >> Warner
>> >>
>> >> On Sun, Oct 2, 2016 at 4:37 AM, Emmanuel Vadot <manu@bidouilliste.com> wrote:
>> >>> Hello,
>> >>>
>> >>> I've commited every needed change on our side, for uboot side you will
>> >>> need this patch :
>> >>> https://people.freebsd.org/~manu/u-boot_201609_efi.diff
>> >>>
>> >>> The only drawback is that you will need to have your partition aligned
>> >>> on 512kb boundaries on the mmc.
>> >>>
>> >>> I've successfully booted my beaglebone black and most of my Allwinner
>> >>> boards with UEFI.
>> >>>
>> >>> Some part of the uboot patch have started to be upstreamed, for
>> >>> the others I need to rework on some part before I upstream them.
>> >>>
>> >>> Cheers,
>> >>>
>> >>> On Sun, 2 Oct 2016 19:56:54 +1000
>> >>> Da Rock <freebsd-arm@herveybayaustralia.com.au> wrote:
>> >>>
>> >>>> Has anyone tried this option yet? I've heard someone got it going for
>> >>>> slack, but I thought it sounded like it might make it easier for running
>> >>>> freebsd.
>> >>>>
>> >>>> I'm currently trying to build a more current u-boot to test it.
>> >>>>
>> >>>> _______________________________________________
>> >>>> freebsd-arm@freebsd.org mailing list
>> >>>> https://lists.freebsd.org/mailman/listinfo/freebsd-arm
>> >>>> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
>> >>>
>> >>> --
>> >>> Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>
>> >>> _______________________________________________
>> >>> freebsd-arm@freebsd.org mailing list
>> >>> https://lists.freebsd.org/mailman/listinfo/freebsd-arm
>> >>> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
>> >
>
>
> --
> Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>
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