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Subject: Re: FreeBSD EFI projects
To: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net>,
 Greg V <greg@unrelenting.technology>
Cc: Konstantin Belousov <kostikbel@gmail.com>, Warner Losh <imp@bsdimp.com>,
 FreeBSD Current <freebsd-current@freebsd.org>
References: <201809191506.w8JF6W10024280@pdx.rh.CN85.dnsmgr.net>
From: Rebecca Cran <rebecca@bluestop.org>
Message-ID: <8d0769ac-e2cc-a063-978d-2db9116655b5@bluestop.org>
Date: Wed, 19 Sep 2018 15:22:44 -0600
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On 9/19/18 9:06 AM, Rodney W. Grimes wrote:
> Yes, that is one of the catagories of rare, a EFI-32 bit system that
> was originally shipped with a 32 bit only CPU, that later got upgraded
> in the field with a 64 bit CPU, that still runs a EFI-32 bios.
> Are you sure the 2007 firmware is EFI32?  I would of thought
> since they upgraded the base system to a 64 bit CPU they would
> of shipped it with a EFI-64 bios.


I'm not sure if there's a firmware upgrade for it, but I have a MacBook 
Pro from around that time that definitely has a 32-bit EFI: it only runs 
32-bit binaries, and had a 32-bit version of MacOS X installed despite 
having a 64-bit Core2Duo CPU.


-- 
Rebecca