Re: boot loaders got fatter in the last few days

On 03/18/16 13:03, Allan Jude wrote:
> On 2016-03-18 12:33, Guido Falsi wrote:
>> Hi,
>>
>> I have just update one of my machines and noticed the booloaders files
>> got quite fat in the last few days, some by a big margin.
>>
>> on an updated machine(r296993):
>>
>>> ls -l /boot/*boot*
>> -r--r--r--  1 root  wheel    8192 Mar 18 16:47 /boot/boot
>> -r--r--r--  1 root  wheel     512 Mar 18 16:47 /boot/boot0
>> -r--r--r--  1 root  wheel     512 Mar 18 16:47 /boot/boot0sio
>> -r--r--r--  1 root  wheel     512 Mar 18 16:47 /boot/boot1
>> -r-xr-xr-x  1 root  wheel   72152 Mar 18 16:47 /boot/boot1.efi
>> -r--r--r--  1 root  wheel  819200 Mar 18 16:47 /boot/boot1.efifat
>> -r--r--r--  1 root  wheel    7680 Mar 18 16:47 /boot/boot2
>> -r--r--r--  1 root  wheel    1185 Mar 18 16:47 /boot/cdboot
>> -r--r--r--  1 root  wheel   85794 Mar 18 16:47 /boot/gptboot
>> -r--r--r--  1 root  wheel  110546 Mar 18 16:47 /boot/gptzfsboot
>> -r--r--r--  1 root  wheel  358400 Mar 18 16:47 /boot/pxeboot
>> -r--r--r--  1 root  wheel  341248 Mar 18 16:47 /boot/userboot.so
>> -r--r--r--  1 root  wheel   66048 Mar 18 16:47 /boot/zfsboot
>>
>> from a machine I still have not updated(r296719):
>>
>>> ls -l /boot/*boot*
>> -r--r--r--  1 root  wheel    8192 Mar 13 21:01 /boot/boot
>> -r--r--r--  1 root  wheel     512 Mar 13 21:01 /boot/boot0
>> -r--r--r--  1 root  wheel     512 Mar 13 21:01 /boot/boot0sio
>> -r--r--r--  1 root  wheel     512 Mar 13 21:01 /boot/boot1
>> -r-xr-xr-x  1 root  wheel   72152 Mar 13 21:01 /boot/boot1.efi
>> -r--r--r--  1 root  wheel  819200 Mar 13 21:01 /boot/boot1.efifat
>> -r--r--r--  1 root  wheel    7680 Mar 13 21:01 /boot/boot2
>> -r--r--r--  1 root  wheel    1185 Mar 13 21:01 /boot/cdboot
>> -r--r--r--  1 root  wheel   16059 Mar 13 21:01 /boot/gptboot
>> -r--r--r--  1 root  wheel   41511 Mar 13 21:01 /boot/gptzfsboot
>> -r--r--r--  1 root  wheel  288768 Mar 13 21:01 /boot/pxeboot
>> -r--r--r--  1 root  wheel  341208 Mar 13 21:01 /boot/userboot.so
>> -r--r--r--  1 root  wheel   66048 Mar 13 21:01 /boot/zfsboot
>>
>> I noticed because mu gpt boot partition is 64K and gptzfsboot just
>> passed 100K.
>>
>> Is this expected and I'm supposed to repartition or is this an unwanted
>> mistake?
>>
>> Thanks in advance.
>>
> 
> This is a side effect of the loader gaining the ability to boot from
> GELI encrypted partitions.
> 
> You can compile with LOADER_NO_GELI_SUPPORT to disable this to get back
> to a smaller one if you need.
> 
> Maybe we should be putting the GELI enabled boot blocks in a different
> filename? I generally wanted to avoid creating a new version of each
> bootcode with GELI support.
> 
> My goal somewhere down the road is to create a single bootcode that can
> do UFS and ZFS, then maybe we can have gptboot and gptgeliboot or
> something.
> 
> 

Maybe a single gptbootlite for minimum viable case of UFS+nothing fancy?
At some point in the near future users that want additional features
will re-partition and bsdinstall will create larger partitions for boot
and this won't be a problem.

P.S.: Allan, do you plan to enable GELI support for boot1.efi?

- Nikolai Lifanov