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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This is a cryptographically signed message in MIME format. --------------ms050901010901020002040008 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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 kno= w > 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. --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms050901010901020002040008 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC DdgwggagMIIEiKADAgECAhMA5EiKghDOXrvfxYxjITXYDdhIMA0GCSqGSIb3DQEBCwUAMIGL MQswCQYDVQQGEwJVUzEQMA4GA1UECAwHRmxvcmlkYTESMBAGA1UEBwwJTmljZXZpbGxlMRkw FwYDVQQKDBBDdWRhIFN5c3RlbXMgTExDMRgwFgYDVQQLDA9DdWRhIFN5c3RlbXMgQ0ExITAf 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