efi boot question

[Daniel Braniss]

> On 1 May 2020, at 11:42, Trond Endrestøl <trond.endrestol at ximalas.info> wrote:
> 
> On Fri, 1 May 2020 11:16+0300, Daniel Braniss wrote:
> 
>> hi,
>> I have none efi boot that:
>> 	- the bios is set to do network boot/pxe
>> 	- if the dhcpd.conf is configured with filename set to pxeboot, it loads as diskless, 
>> 	  or if set to “pmbr” then goes and boots off the hard disk.
>> 	(this is faster than changing the bios boot order)
>> 
>> 
>> so now i'm experimenting with efi boot, 
>> the GPT is:
>> 
>> =>         40      5857345456  mfid0  GPT  (2.7T)
>>              40      409600                1  efi (200M)
>>      409640     8388608               2  freebsd-ufs  ( 4.0G)
>>    8798248   100663296             3  freebsd-swap  (48G)
>> 109461544  5747883952            4  freebsd-zfs     (2.7T)
>> 
>> but am at loss figuring out what boot file to download.
>> any insight is appreciated,
> 
> You can try this:
> 
> gpart bootcode -p /boot/boot1.efifat -i 1 mfid0
> 
> This will populate /dev/mdid0p1 with a FAT filesystem containing 
> /boot/boot1.efi, saved as efi/boot/BOOTx64.efi. You may later replace 
> the latter file with /boot/loader.efi. You will also find 
> efi/boot/startup.nsh which simple instructs the boot firmware to load 
> and run BOOTx64.efi.
> 
> I haven't worked out how you can grow the small 800K FAT filesystem to 
> take advantage of your 200M partition. And indeed, we will need an ESP 
> of more than 800K in the near future.
> 
> This fstab entry might be handy:
> 
> # Device	Mountpoint	FStype	Options				Dump	Pass#
> /dev/mfid0p1	/esp		msdosfs	rw,-l,-m=664,-M=775,noauto	0	0
> 
> -- 
> Trond.


the fat partition is fine, has all that is needed, but
I need the right bootblock instead of pmbr, and there are many  *efi* in /boot and I don’t
know which one to use :-(

thanks,
	danny