GRUB2 for EFI in DragonFly?

[Martin Ivanov]

Hallo Pierre,

Thank you very much, I will also have your suggestions in mind while 
experimenting. I will keep you updated!

Cheers,

Martin

On 21.11.18 14:02, Pierre-Alain TORET wrote:
> Hello Martin,
>
> I'm using both DragonFlyBSD and Linux in a "pure" UEFI dual boot.
>
> My disk as seen from a Linux perspective is like this (using gpt is a must) :
> Disklabel type: gpt
> Device         Start       End   Sectors   Size Type
> /dev/sda1       2048    739327    737280   360M EFI System
> /dev/sda2     739328 232022015 231282688 110.3G unknown
> /dev/sda7  232022016 233046015   1024000   500M Linux filesystem
> /dev/sda8  233046016 249300991  16254976   7.8G Linux filesystem
> /dev/sda9  249300992 460738559 211437568 100.8G Linux filesystem
>
> The /dev/sda2 partition is the one I used to install DragonFlyBSD.
> Once booted on the live media this /dev/sda2 is seen as /dev/serno/162534803013.s1.
>
> So I created a,b and d labels in order to have this layout :
> sudo disklabel64 /dev/serno/162534803013.s1
> 16 partitions:
> #          size     offset    fstype   fsuuid
>    a:    1048576          0    4.2BSD    #    1024.000MB
>    b:    8388608    1048576      swap    #    8192.000MB
>    d:  106202112    9437184   HAMMER2    #  103713.000MB
>    a-stor_uuid: 992e74da-d9e4-11e8-889a-ed8eb59a667e
>    b-stor_uuid: 992e74ed-d9e4-11e8-889a-ed8eb59a667e
>    d-stor_uuid: 992e74fa-d9e4-11e8-889a-ed8eb59a667e
>
> Once done I used the online docs about manual installation.
> After that I did mount the fat partition (/dev/sda1 or slice 0 from BSD side)
> mount_msdos /dev/serno/162534803013.s0 /mnt/esp
>
> I finally had to copy /boot/boot1.efi into /mnt/esp/EFI/dfly/boot1.efi and add an entry into my UEFI boot loader from the Linux side using efibootmgr because I don't know any tool doing the same thing on DragonFlyBSD (I guess you can just use a Linux live CD to achieve this, no need to have a distribution installed, just make sure it has access to the EFI variables).
>
> sudo efibootmgr --disk /dev/sda --part 0 --create --gpt --label "DragonFlyBSD" --loader /EFI/dfly/boot1.efi
>
> Telling the boot manager that this "DragonFlyBSD" entry should take the loader /EFI/dfly/boot1.efi on /dev/sda, on part0 (/dev/sda1)
>
> Once this is done you can check which entry number it has with
> sudo efibootmgr
> In my case I get :
> Boot0011* Arch Linux
> Boot0013* DragonFlyBSD
>
> I can use efibootmgr -n 0013 to make it the next target at next boot/reboot so I don't have to stay in front of the computer to press F9 to get the boot manager.
>
> So I know this efibootmgr utility is available on FreeBSD but not on DragonFlyBSD, I don't know about OpenBSD.
> Maybe you can be able to reach the same state by directly using the EFI variables because there seems to be this new variable corresponding to the entry I added.
>
> sudo efivar -p --name 8be4df61-93ca-11d2-aa0d-00e098032b8c-Boot0013
> GUID: 8be4df61-93ca-11d2-aa0d-00e098032b8c
> Name: "Boot0013"
> Attributes:
>          Non-Volatile
>          Boot Service Access
>          Runtime Service Access
> Value:
> 00000000  01 00 00 00 5a 00 44 00  72 00 61 00 67 00 6f 00  |....Z.D.r.a.g.o.|
> 00000010  6e 00 46 00 6c 00 79 00  42 00 53 00 44 00 00 00  |n.F.l.y.B.S.D...|
> 00000020  04 01 2a 00 01 00 00 00  00 08 00 00 00 00 00 00  |..*.............|
> 00000030  00 40 0b 00 00 00 00 00  5c cb 65 be ba c9 ae 4a  |. at ......\.e....J|
> 00000040  aa a6 ab 86 70 04 64 34  02 02 04 04 2c 00 5c 00  |....p.d4....,.\.|
> 00000050  45 00 46 00 49 00 5c 00  44 00 46 00 4c 00 59 00  |E.F.I.\.D.F.L.Y.|
> 00000060  5c 00 62 00 6f 00 6f 00  74 00 31 00 2e 00 65 00  |\.b.o.o.t.1...e.|
> 00000070  66 00 69 00 00 00 7f ff  04 00                    |f.i.......      |
>
> I never tried to modify the variables directly though.
>
> Hope this will help you.
> Regards,
>
>
>
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Sunday 18 November 2018 19:30, Dr. Martin Ivanov <martin.ivanov at greenpocket.de> wrote:
>
>> Hello,
>>
>> after successfully installing Dragonfly and OpenBSD in a multiboot setup on the same hard drive on an old BIOS machine, now I am planning to attempt to do the same on a new machine with UEFI Firmware. I googled a lot and it seems at some point I may be in need of the GRUB2 for EFI bootloader or elilo.  I simple
>>
>> pkg search grub2
>>
>> or
>>
>> pkg search elilo
>>
>> provides no output . Is it possible to install any of these packages on DragonFly?
>>
>> Thank you very much!
>>
>> Best regards,
>>
>> Martin
>
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Dr. Martin A. Ivanov
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