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Date:      Mon, 27 May 2019 10:22:04 -0500
From:      Karl Denninger <karl@denninger.net>
To:        freebsd-current@freebsd.org
Subject:   Re: FreeBSD and Coreboot
Message-ID:  <0dfb1917-b983-7633-be19-b2141b2c1dfc@denninger.net>
In-Reply-To: <4a6b0f1e-64ec-6b83-b43b-f9791ec8428f@metricspace.net>
References:  <4a6b0f1e-64ec-6b83-b43b-f9791ec8428f@metricspace.net>
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[-- Attachment #1 --]
On 5/27/2019 10:13, Eric McCorkle wrote:
> Hello everyone,
>
> I'm through enough of my job change that I can start working on FreeBSD
> again.  One thing I've had on my list to examine is using FreeBSD with
> coreboot, so I wanted to put out a call for anyone who has done work on
> this, or knows anything about it.
>
> Here is what I know:
>
> * Coreboot _can_ boot kernels directly, but this requires two things: 1)
> you must flash your BIOS every time you update a kernel, 2) the kernel
> must be able to work without the usual device initialization that the
> BIOS does.
>
> * Coreboot has two significant payload options beyond a kernel: Seabios
> and GRUB (supposedly Tianocore EFI is an option, but it apparently
> doesn't really work).
>
> * Scrounging the coreboot wiki seems to produce some conflicting
> information.  One page claims that the FreeBSD kernel can boot directly
> as a coreboot payload; another claims GRUB or Seabios to be the only
> options.
>
> * The PC Engines boards evidently use coreboot, and I've heard multiple
> reports of them running FreeBSD systems without a problem.  I don't know
> whether they use GRUB or Seabios.  (Aside: I'm thinking about ordering
> some of these boards for my own use, so I'm generally interested in how
> well they function with FreeBSD)
>
PCEngines machines run just fine with FreeBSD; I use and support a bunch
of them around here for various purposes, mostly as edge firewall and
gateway devices.
-- 
Karl Denninger
karl@denninger.net <mailto:karl@denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/

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