On Fri, Dec 16, 2016 at 06:08:34PM +0100, Fernando Herrero Carrón wrote:

> Hi everyone,
> 
> A few months ago I got myself a new box and I have been happily running
> FreeBSD on it ever since. I noticed that the boot was not as fast as I had
> expected and I've realized that, while my disk is GPT partitioned, the boot
> process is still BIOS based:
> 
> % gpart show
> =>       34  976773101  ada0  GPT  (466G)
>          34          6        - free -  (3.0K)
>          40       1024     1  freebsd-boot  (512K)
>        1064        984        - free -  (492K)
>        2048   67108864     2  freebsd-swap  (32G)
>    67110912  909662208     3  freebsd-zfs  (434G)
>   976773120         15        - free -  (7.5K)
> 
> I am reading uefi(8) and it looks like FreeBSD 11 should be able to boot
> using UEFI straight into ZFS, so I am thinking of converting that
> freebsd-boot partition to an EFI partition, creating a FAT filesystem and
> copying /boot/boot.efi there.
> 
> How good of an idea is that? Would it really be that simple or am I missing
> something? My only reason for wanting to boot with UEFI is faster boot,
> everything is working fine otherwise.
> 
> Thanks in advance for your help.

I am also interesting by this case.
I think expand freebsd-boot to about 1M (size of /boot/boot1.efifat),
dding /boot/boot1.efifat and set to type to 'efi' may be enough. I am
never tried this.
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