Re: git: c16e08e5f324 - main - stand/efi: Retire i386 support
Date: Fri, 12 May 2023 14:05:37 UTC
> On Thu, 11 May 2023 23:08:30 +0200 > Yuri <yuri@aetern.org> wrote: > > > Warner Losh wrote: > > > > > > > > > On Thu, May 11, 2023, 2:50 PM Rodney W. Grimes > > > <freebsd-rwg@gndrsh.dnsmgr.net <mailto:freebsd-rwg@gndrsh.dnsmgr.net>> > > > wrote: > > > > > > > On Thu, May 11, 2023, 2:16 PM Yuri <yuri@aetern.org > > > <mailto:yuri@aetern.org>> wrote: > > > > > > > > > Warner Losh wrote: > > > > > > The branch main has been updated by imp: > > > > > > > > > > > > URL: > > > > > > > > https://cgit.FreeBSD.org/src/commit/?id=c16e08e5f324aa119c85e10eaabacbd2abdb40e0 <https://cgit.FreeBSD.org/src/commit/?id=c16e08e5f324aa119c85e10eaabacbd2abdb40e0> > > > > > > > > > > > > commit c16e08e5f324aa119c85e10eaabacbd2abdb40e0 > > > > > > Author:? ? ?Warner Losh <imp@FreeBSD.org> > > > > > > AuthorDate: 2023-05-11 20:04:12 +0000 > > > > > > Commit:? ? ?Warner Losh <imp@FreeBSD.org> > > > > > > CommitDate: 2023-05-11 20:06:03 +0000 > > > > > > > > > > > >? ? ?stand/efi: Retire i386 support > > > > > > > > > > > >? ? ?Remove the i386 ifdefs and files. It never worked. > > > > > > > > > > > >? ? ?Sponsored by:? ? ? ? ? ?Netflix > > > > > >? ? ?Reviewed by:? ? ? ? ? ? manu, tsoome, kevans > > > > > >? ? ?Differential Revision:? https://reviews.freebsd.org/D40012 > > > <https://reviews.freebsd.org/D40012> > > > > > > > > > > As this question seems to be asked a lot on the forums, does > > > this mean > > > > > we will never support the 32bit efi booting 64bit OS? > > > > > > > > > > > > > Yes. It means we've given up on that. Such environments are rare these > > > > days, as far as I know, so unless someone shows up with something that > > > > works perfectly with a qemu testing recipe that we can roll it > > > into out > > > > test bed. Plus some kind of info on real hardware that does this > > > that's > > > > popular enough to justify inclusion. > > > > > > I have only ever seen 1 implementation of x86 32bit efi, and it was > > > such a pile of turds I just scrapped the machine. > > > > > > > > > That was my experience as well, so I biased my action towards just > > > removing it. If it turns out my experience was somehow atypical and > > > these are popular and very much robust, I'm open to learning about it. > > > > I just noticed that it was asked several times in the last few months > > trying to use FreeBSD on not-so-modern and rather exotic hardware; I > > don't think we really need that support, but I simply wasn't aware of > > efi32 status before this commit, hence I asked :) > > Just a FYI. > > A subscriber (not me) tried ASUS EeeBook X205TA (manufactured "2015-04") > through Mar.18, 2021 to Apr.13, 2021 without luck on freebsd-usrs-jp ML > (in Japanese, started from [1], [2] for April). > > Atom CPU Z3735F @1.33GHz, 2GB RAM That is a 4 core 64 bit CPU, it most likely has a 64bit efi implementation. > Shipped with "Windows 8.1 with Bing (32bit)" installed. Probably a good choice to use a 32 bit OS on a machine with only 2GB as there is no need for a 64 bit pointer. This pretty much applies to any machine with 4GB or less of memory > > [1] > https://lists.freebsd.org/pipermail/freebsd-users-jp/2021-March/001728.html > > [2] > https://lists.freebsd.org/pipermail/freebsd-users-jp/2021-April/001746.html > > > -- > Tomoaki AOKI] <junchoon@dec.sakura.ne.jp> > > -- Rod Grimes rgrimes@freebsd.org