Date: Sat, 17 Dec 2016 09:25:19 +0100 From: =?UTF-8?Q?Fernando_Herrero_Carr=C3=B3n?= <elferdo@gmail.com> To: Ian Smith <smithi@nimnet.asn.au> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Upgrading boot from GPT(BIOS) to GPT(UEFI) Message-ID: <CAMwkeZz9d%2BrSzjis%2BWcjY_pPUBbwFiX0jiKMv5hCj_ekA4_G7A@mail.gmail.com> In-Reply-To: <20161217170412.V26979@sola.nimnet.asn.au> References: <CAMwkeZznenmN1RkUaKZ7i12F0FA185ZH%2BcHPXUp56S8j3SrubQ@mail.gmail.com> <20161217170412.V26979@sola.nimnet.asn.au>
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2016-12-17 7:12 GMT+01:00 Ian Smith <smithi@nimnet.asn.au>: > On Fri, 16 Dec 2016 18:08:34 +0100, Fernando Herrero Carr=C3=B3n wrote: > > Hi everyone, > > Hi, > > you've had plenty of helpful responses, but nobody has commented on: > > > My only reason for wanting to boot with UEFI is faster boot, > > everything is working fine otherwise. > > I'm skeptical that UEFI boot would be any or noticeably faster than via > BIOS, but am interested in hearing of any experiences regarding that. > > cheers, Ian > My understanding is that BIOSes still boot through kind of a legacy 32-bit path and UEFI boots straight 64-bit with all the bells and whistles. In fact: % file /boot/loader /boot/loader: FreeBSD/i386 demand paged executable # Slow 32bit? % file /boot/loader.efi /boot/loader.efi: PE32+ executable (EFI application) x86-64, for MS Windows # Fast 64bit? Whether this amounts to faster boot, we'll see. Cheers, Fernando
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