Date: Thu, 17 Dec 2020 10:41:46 -0700 From: Warner Losh <imp@bsdimp.com> To: Lev Serebryakov <lev@freebsd.org> Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, "freebsd-hackers@freebsd.org" <hackers@freebsd.org> Subject: Re: Should/does loader.efi respect the "bootme" GPT attribute ? Message-ID: <CANCZdfpHzPt8Nr0BS9u=J7dCWP9SjpRWfurwEfTUiCO%2B7XK6rA@mail.gmail.com> In-Reply-To: <63257157-9cdd-0da4-f061-4005319514c2@FreeBSD.org> References: <25469.1608040822@critter.freebsd.dk> <CANCZdfpcrXcgnh1O74A-MhSO2NFqTtq0rJrBDpEfwgxbVDPN8A@mail.gmail.com> <26111.1608051101@critter.freebsd.dk> <CANCZdfqhi742n9V%2BwCzhniB3QU5Equo%2BsnEOz0xQ2GmPKo27PQ@mail.gmail.com> <63257157-9cdd-0da4-f061-4005319514c2@FreeBSD.org>
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On Thu, Dec 17, 2020 at 6:19 AM Lev Serebryakov <lev@freebsd.org> wrote: > On 15.12.2020 23:10, Warner Losh wrote: > > On Tue, Dec 15, 2020 at 9:51 AM Poul-Henning Kamp <phk@phk.freebsd.dk> > > >>> It is intentional. UEFI really doesn't want you using non-standard > >>> partition flags to determine boot order. > >> > >> So how would one go about doing "boot0/nanobsd-style" dual > >> root the "proper" way in an UEFI environment ? > >> > > > > By using gptboot.efi in the ESP and placaing loader.efi in the UFS > > partitions... > But You've said, that: > > > UEFI has its own bootnext protocol, that works in conjunction with the > EFI > > environment variables to have a more robust, less 'guess what I mean' > > approach. So all in all, it's hard, non-standard and doesn't play well > with > > UEFI." > > Could it be used here? > Yes. It can. Warner
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