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Differential D27782

uefi.8: mention boot1.efi
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Authored by kevlo on Dec 27 2020, 3:21 PM.
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bcran
imp
lwhsu
ygy
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rGa8ec81e79871: Mention boot1.efi since it is an image of 800KB FAT filesystem stored as
Summary

Mention boot1.efi since it is an image of 800KB FAT filesystem stored as
/EFI/BOOT/BOOTX64.EFI and it's capable of boot FreeBSD.

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rG FreeBSD src repository
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Event Timeline

kevlo requested review of this revision.Dec 27 2020, 3:21 PM
kevlo created this revision.
lwhsu accepted this revision.Dec 27 2020, 3:45 PM
This revision is now accepted and ready to land.Dec 27 2020, 3:45 PM
ygy accepted this revision.Dec 27 2020, 4:17 PM
ygy added inline comments.
share/man/man8/uefi.8
127

Would it be better to rephrase

and the bootcode argument to gpart

to ->

and gpart bootcode argument / and the bootcode argument of gpart

?

129

For consistency, please remove the "." in the list.

ygy requested changes to this revision.Dec 28 2020, 1:54 AM
ygy added inline comments.
share/man/man8/uefi.8
27

This should be "December 27"

This revision now requires changes to proceed.Dec 28 2020, 1:54 AM
This revision was not accepted when it landed; it landed in state Needs Revision.Dec 28 2020, 2:32 AM
Closed by commit rGa8ec81e79871: Mention boot1.efi since it is an image of 800KB FAT filesystem stored as (authored by kevlo). · Explain Why
This revision was automatically updated to reflect the committed changes.
kevlo added a commit: rGa8ec81e79871: Mention boot1.efi since it is an image of 800KB FAT filesystem stored as.
bcran added a comment.Dec 28 2020, 2:43 PM

/boot/boot1.efifat is the 800 KB filesystem image. /boot/boot1.efi is the EFI bootloader application.

bcran added a comment.Dec 28 2020, 2:46 PM

Also, /boot/boot1.efifat is no longer included in -CURRENT.

imp added a comment.Dec 28 2020, 3:56 PM

Also, boot1.efi is obsolete. We retain it only for special needs users: those with the bogus tiny ESP partitions and some really weird edge cases that loader.efi doesn't work for.

kevlo added a comment.Dec 29 2020, 1:20 AM
In D27782#621399, @imp wrote:

Also, boot1.efi is obsolete. We retain it only for special needs users: those with the bogus tiny ESP partitions and some really weird edge cases that loader.efi doesn't work for.

I have Ubuntu 20.10 and FreeBSD -current installed on my thinkpad laptop.
Linux's Grub2 is unable to boot FreeBSD directly from UEFI, I have to copy
the FreeBSD UEFI loader (/boot/boot.efi) into EFI partition.

imp added a comment.Dec 29 2020, 1:46 AM
In D27782#621556, @kevlo wrote:
In D27782#621399, @imp wrote:

Also, boot1.efi is obsolete. We retain it only for special needs users: those with the bogus tiny ESP partitions and some really weird edge cases that loader.efi doesn't work for.

I have Ubuntu 20.10 and FreeBSD -current installed on my thinkpad laptop.
Linux's Grub2 is unable to boot FreeBSD directly from UEFI, I have to copy
the FreeBSD UEFI loader (/boot/boot.efi) into EFI partition.

You should copy loader.efi instead of boot1.efi since boot1 use is deprecated is what I meant. We should teach grub about UFS and maybe ZFS...

share/man/man8/uefi.8
127

Neither of these things are true. Bsdinstall has been updated, and gpart bootcode isn't used with EFI because these things aren't boot blocks but a program that needs to be installed in a special place

kevlo added a comment.Dec 29 2020, 3:13 AM
In D27782#621560, @imp wrote:
In D27782#621556, @kevlo wrote:
In D27782#621399, @imp wrote:

Also, boot1.efi is obsolete. We retain it only for special needs users: those with the bogus tiny ESP partitions and some really weird edge cases that loader.efi doesn't work for.

I have Ubuntu 20.10 and FreeBSD -current installed on my thinkpad laptop.
Linux's Grub2 is unable to boot FreeBSD directly from UEFI, I have to copy
the FreeBSD UEFI loader (/boot/boot.efi) into EFI partition.

You should copy loader.efi instead of boot1.efi since boot1 use is deprecated is what I meant. We should teach grub about UFS and maybe ZFS...

I did try copying loader.efi into efi partition, but it didn't work.

kevlo added a reverting change: rGe9556246be68: Revert "uefi.8: mention boot1.efi".Dec 29 2020, 4:12 AM

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share/man/man8/uefi.8

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