Date: Wed, 17 Aug 2022 19:18:01 +0100 From: Nuno Teixeira <eduardo@freebsd.org> To: Warner Losh <imp@bsdimp.com> Cc: Toomas Soome <tsoome@me.com>, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: 24.3. Updating Bootcode Message-ID: <CAFDf7UJ4y1Vsq5TSm8FxozndoF5sRy4Yzth5BfAELx0vmE43HA@mail.gmail.com> In-Reply-To: <CAFDf7U%2Bb1FF2u_DJtXZmA4bdGgjS02ZFnovS7uwB6aP6T12ReA@mail.gmail.com> References: <CAFDf7UJv9QCuD27XDs2ihLiN21Rn6PeZjbJtWVOAAfHb8HHnHw@mail.gmail.com> <62B26DE1-0E26-40BA-8647-E591E9ACEB7A@me.com> <CAFDf7UJrnL0RrPyto07-THmhPSBF%2BpbgqMmj%2BMmjUZpDotvjXQ@mail.gmail.com> <CANCZdfrUGxxXUrXPZ%2B9jHufQQaJdRQa2nVWviKOJzX%2B2mzJAvg@mail.gmail.com> <CAFDf7U%2Bb1FF2u_DJtXZmA4bdGgjS02ZFnovS7uwB6aP6T12ReA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--0000000000005e16a705e673e39a
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
*** and "EFI Hard Drive"(legacy <ESP>/efi/boot/bootx64.efi) from BIOS.
^^^^
Nuno Teixeira <eduardo@freebsd.org> escreveu no dia quarta, 17/08/2022 =C3=
=A0(s)
19:14:
> Hi,
>
> And it's done:
> ---
> Boot0007* FreeBSD-14
> HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)/File(\efi\fre=
ebsd\loader.efi)
> nvd0p1:/efi/freebsd/loader.efi
> /boot/efi//efi/freebsd/loader.efi
> +Boot0006* FreeBSD-14_old
> HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)/File(\efi\fre=
ebsd\loader-old.efi)
> nvd0p1:/efi/freebsd/loader-old.efi
> /boot/efi//efi/freebsd/loader-old.efi
> Boot0004* Windows Boot Manager
> HD(1,GPT,8c497825-1db2-41f8-8924-85dfd0bb7283,0x800,0x82000)/File(\EFI\Mi=
crosoft\Boot\bootmgfw.efi)
> da1p1:/EFI/Microsoft/Boot/bootmgfw.efi
> (null)
> Boot0000* EFI Hard Drive (SAMSUNG MZVLB1T0HBLR-000L2)
> PciRoot(0x0)/Pci(0x1d,0x0)/Pci(0x0,0x0)/NVMe(0x1,39-f9-b8-01-81-38-25-00)=
/HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)
> ---
> and I can choose "FreeBSD-14"(<ESP>/efi/freebsd/loader.efi),
> "FreeBSD-14_old"(<ESP>/efi/freebsd/loader-old.efi) and "EFI Hard
> Drive"(legacy <ESP>/efi/bootx64.efi) from BIOS.
>
> NOTE: efibootmgr(8) example is:
> ---
> efibootmgr -a -c -l /boot/efi/EFI/freebsd/loader.efi -L FreeBSD-11
> ^^^
> ---
> But I choosed "efi" instead of "EFI"...
>
> Thanks all for helping me understand it!
>
> Cheers,
>
>
> Warner Losh <imp@bsdimp.com> escreveu no dia ter=C3=A7a, 16/08/2022 =C3=
=A0(s) 18:19:
>
>>
>>
>> On Tue, Aug 16, 2022 at 6:01 AM Nuno Teixeira <eduardo@freebsd.org>
>> wrote:
>>
>>> Hi Toomas,
>>>
>>> For better OS support, the UEFI specification (UEFI 2.8A Feb 14, page
>>>> 499) is suggesting to use structure like:
>>>>
>>>> <ESP>/efi/<OS>/=E2=80=A6
>>>>
>>>> And to use this suggestion, it means the UEFI Boot Manager needs to be
>>>> configured (see efibootmgr(8)).
>>>>
>>>> Therefore, once you have set up OS specific setup, there is no use for
>>>> default (<ESP>/efi/boot/=E2=80=A6) and you need to update one or anoth=
er, but not
>>>> both.
>>>>
>>>
>>> FreeBSD have <ESP>/efi/freebsd/... but it's not configured in efibootmg=
r:
>>>
>>
>> The current default installer will do this, but older upgraded systems
>> don't do this by default. Likely you are looking at an older
>> system and/or one of the 'bad actors' that reset this stuff between boot=
s.
>>
>>
>>> efibootmgr -v:
>>> ---
>>> BootOrder : 0004, 0000, 2002, 2003, 2001
>>> Boot0004* Windows Boot Manager
>>> HD(1,GPT,8c497825-1db2-41f8-8924-85dfd0bb7283,0x800,0x82000)/File(\EFI\=
Microsoft\Boot\bootmgfw.efi)
>>>
>>> da0p1:/EFI/Microsoft/Boot/bootmgfw.efi (null)
>>> +Boot0000* EFI Hard Drive (SAMSUNG MZVLB1T0HBLR-000L2)
>>> PciRoot(0x0)/Pci(0x1d,0x0)/Pci(0x0,0x0)/NVMe(0x1,39-f9-b8-01-81-38-25-0=
0)/HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)
>>> Boot2002* EFI DVD/CDROM
>>> Boot2003* EFI Network
>>> Boot2001* EFI USB Device
>>> ---
>>> so boot is definitely using <ESP>/efi/boot/bootx64.efi @Boot0000
>>>
>>
>> In your case, that's true. The "EFI Hard Drive" is a default entry the
>> UEFI BIOS created for you.
>>
>>
>>> I think I can create a new boot:
>>> ---
>>> efibootmgr -a -c -l /boot/efi/efi/freebsd/loader.efi -L FreeBSD-14
>>> (and make it active)
>>> efibootmgr -a -b NNNN
>>> ---
>>> and create other for loader.efi.old in case of problems.
>>>
>>
>> Yes.
>>
>>
>>> In this case I will need only update <ESP>/efi/freebsd/loader.efi.
>>>
>>> Q: for what has been said in mailing, boot is compiled in
>>> /usr/src/stand, isn't a good idea that when it install new boot it back=
up
>>> old boot like /boot/kernel -> /boot/kernel.old?
>>>
>>
>> Yes. In fact that's what's done, but only for the BIOS version. We shoul=
d
>> do the same for efi but don't seem to do so currently. But that's likely
>> tied up behind issues of installing things automatically into the ESP on
>> 'installworld'.
>>
>> Warner
>>
>
>
> --
> Nuno Teixeira
> FreeBSD Committer (ports)
>
--=20
Nuno Teixeira
FreeBSD Committer (ports)
--0000000000005e16a705e673e39a
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div>*** and "EFI Hard Drive"(legacy <ESP>=
/efi/boot/bootx64.efi) from BIOS.</div><div>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^^^^<br>=
</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_=
attr">Nuno Teixeira <<a href=3D"mailto:eduardo@freebsd.org">eduardo@free=
bsd.org</a>> escreveu no dia quarta, 17/08/2022 =C3=A0(s) 19:14:<br></di=
v><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;borde=
r-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div>H=
i,</div><div><br></div><div>And it's done:</div><div>---</div><div>=C2=
=A0Boot0007* FreeBSD-14 HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,=
0x82000)/File(\efi\freebsd\loader.efi)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0nvd0p1:/efi/free=
bsd/loader.efi /boot/efi//efi/freebsd/loader.efi<br>+Boot0006* FreeBSD-14_o=
ld HD(1,GPT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)/File(\efi\fr=
eebsd\loader-old.efi)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0nvd0p1:/efi/freebsd/=
loader-old.efi /boot/efi//efi/freebsd/loader-old.efi<br>=C2=A0Boot0004* Win=
dows Boot Manager HD(1,GPT,8c497825-1db2-41f8-8924-85dfd0bb7283,0x800,0x820=
00)/File(\EFI\Microsoft\Boot\bootmgfw.efi)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0da1p1:/EFI/Microsoft/Boot/bootmgfw.efi (null)<br>=
=C2=A0Boot0000* EFI Hard Drive (SAMSUNG MZVLB1T0HBLR-000L2) PciRoot(0x0)/Pc=
i(0x1d,0x0)/Pci(0x0,0x0)/NVMe(0x1,39-f9-b8-01-81-38-25-00)/HD(1,GPT,73acd1b=
2-de41-11eb-8156-002b67dfc673,0x28,0x82000)</div><div>---</div><div>and I c=
an choose "FreeBSD-14"(<ESP>/efi/freebsd/loader.efi), "=
;FreeBSD-14_old"(<ESP>/efi/freebsd/loader-old.efi) and "EFI=
Hard Drive"(legacy <ESP>/efi/bootx64.efi) from BIOS.</div><div>=
<br></div><div>NOTE: efibootmgr(8) example is:</div><div>---</div><div>efib=
ootmgr -a -c -l /boot/efi/EFI/freebsd/loader.efi -L FreeBSD-11</div><div>=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 ^^^<br></div><div>---</div><div>But I choosed "e=
fi" instead of "EFI"...<br></div><div><br></div><div>Thanks =
all for helping me understand it!</div><div><br></div><div>Cheers,<br></div=
><div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">Warner Losh <<a href=3D"mailto:imp@bsdimp.com" target=3D=
"_blank">imp@bsdimp.com</a>> escreveu no dia ter=C3=A7a, 16/08/2022 =C3=
=A0(s) 18:19:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote"><d=
iv dir=3D"ltr" class=3D"gmail_attr">On Tue, Aug 16, 2022 at 6:01 AM Nuno Te=
ixeira <<a href=3D"mailto:eduardo@freebsd.org" target=3D"_blank">eduardo=
@freebsd.org</a>> wrote:<br></div><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddin=
g-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_quote"><div>Hi Toomas,</di=
v><div><br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px =
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
For better OS support, the UEFI specification (UEFI 2.8A Feb 14, page 499) =
is suggesting to use structure like:<br>
<br>
<ESP>/efi/<OS>/=E2=80=A6<br>
<br>
And to use this suggestion, it means the UEFI Boot Manager needs to be conf=
igured (see efibootmgr(8)).<br>
<br>
Therefore, once you have set up OS specific setup, there is no use for defa=
ult (<ESP>/efi/boot/=E2=80=A6) and you need to update one or another,=
but not both.<br></blockquote></div><div><br></div><div>FreeBSD have <E=
SP>/efi/freebsd/... but it's not configured in efibootmgr:</div></di=
v></blockquote><div><br></div><div>The current default installer will do th=
is, but older upgraded systems don't do this by default. Likely you are=
looking at an older</div><div>system and/or one of the 'bad actors'=
; that reset this stuff between boots.</div><div>=C2=A0</div><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div>efibootmgr -v:</d=
iv><div>---</div><div>BootOrder =C2=A0: 0004, 0000, 2002, 2003, 2001</div><=
div>Boot0004* Windows Boot Manager HD(1,GPT,8c497825-1db2-41f8-8924-85dfd0b=
b7283,0x800,0x82000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)<br>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0da0p1:/EFI/Microsoft/Boot/bootmgfw=
.efi (null)<br>+Boot0000* EFI Hard Drive (SAMSUNG MZVLB1T0HBLR-000L2) PciRo=
ot(0x0)/Pci(0x1d,0x0)/Pci(0x0,0x0)/NVMe(0x1,39-f9-b8-01-81-38-25-00)/HD(1,G=
PT,73acd1b2-de41-11eb-8156-002b67dfc673,0x28,0x82000)</div><div>=C2=A0Boot2=
002* EFI DVD/CDROM<br>=C2=A0Boot2003* EFI Network<br>=C2=A0Boot2001* EFI US=
B Device</div><div>---</div><div>so boot is definitely using <ESP>/ef=
i/boot/bootx64.efi <a class=3D"gmail_plusreply" id=3D"gmail-m_-471731929819=
7336615gmail-m_-3862296962526431016gmail-m_2408750265426939096plusReplyChip=
-0">@Boot0000</a></div></div></blockquote><div><br></div><div>In your case,=
that's true. The "EFI Hard Drive" is a default entry the UEF=
I BIOS created for you.</div><div>=C2=A0</div><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,20=
4);padding-left:1ex"><div dir=3D"ltr"><div></div><div>I think I can create =
a new boot:</div><div>---</div><div>efibootmgr -a -c -l /boot/efi/efi/freeb=
sd/loader.efi -L FreeBSD-14</div><div>(and make it active)</div><div>efiboo=
tmgr -a -b NNNN</div><div>---</div><div>and create other for loader.efi.old=
in case of problems.</div></div></blockquote><div><br></div><div>Yes.</div=
><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div di=
r=3D"ltr"><div>In this case I will need only update <ESP>/efi/freebsd=
/loader.efi.<br></div><div><br></div><div>Q: for what has been said in mail=
ing, boot is compiled in /usr/src/stand, isn't a good idea that when it=
install new boot it backup old boot like /boot/kernel -> /boot/kernel.o=
ld?</div></div></blockquote><div><br></div><div>Yes. In fact that's wha=
t's done, but only for the BIOS version. We should do the same for efi =
but don't seem to do so currently. But that's likely tied up behind=
issues of installing things automatically into the ESP on 'installworl=
d'.</div><div><br></div><div>Warner=C2=A0</div></div></div>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr"><div dir=
=3D"ltr"><span style=3D"color:rgb(102,102,102)">Nuno Teixeira<br>FreeBSD Co=
mmitter (ports)</span></div></div>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"g=
mail_signature"><div dir=3D"ltr"><span style=3D"color:rgb(102,102,102)">Nun=
o Teixeira<br>FreeBSD Committer (ports)</span></div></div>
--0000000000005e16a705e673e39a--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFDf7UJ4y1Vsq5TSm8FxozndoF5sRy4Yzth5BfAELx0vmE43HA>