From owner-freebsd-hackers@freebsd.org Tue May 28 01:16:41 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8C84315B0B49; Tue, 28 May 2019 01:16:41 +0000 (UTC) (envelope-from nwhitehorn@freebsd.org) Received: from c.mail.sonic.net (c.mail.sonic.net [64.142.111.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id CF9938EEDC; Tue, 28 May 2019 01:16:40 +0000 (UTC) (envelope-from nwhitehorn@freebsd.org) Received: from comporellon.tachypleus.net (cpe-45-49-150-87.socal.res.rr.com [45.49.150.87]) (authenticated bits=0) by c.mail.sonic.net (8.15.1/8.15.1) with ESMTPSA id x4S15lUU009826 (version=TLSv1.2 cipher=AES128-SHA bits=128 verify=NOT); Mon, 27 May 2019 18:05:47 -0700 Subject: Re: FreeBSD and Coreboot To: Eric McCorkle , Edward Napierala Cc: "freebsd-hackers@freebsd.org" , FreeBSD Current References: <4a6b0f1e-64ec-6b83-b43b-f9791ec8428f@metricspace.net> <1452db0c-1210-3230-c044-bc682e7e1745@metricspace.net> From: Nathan Whitehorn Openpgp: preference=signencrypt Autocrypt: addr=nwhitehorn@freebsd.org; keydata= mQINBFuARN8BEADLKYsG3l1aq/M21R59I/5EsEfvtvd15ZJ9lDHcWPuxzIfGnu2LMpe5PrFP e/Y4bcsPrlB4S3I3ooIUDvoEEsDeqgqlZod3QevOK/RjLqiqx1i/4mKnobJ++3ppyVVIccgN sUrj786OYCFCI/W+uWw7cbKewNeaL//Z/TDKlHLkssiy6qmZbNQ0ZjcMLJKUesk4eVg2TtTD HNe42ZuxbUC9iLYieO4c7kQB4qiFhagDRiObXrLzvm2MQYeAaNVRqID+mfI75TWrQ+t98iVu mHvFu461eeteq59jg6H/IL07ACxL+HzEVM+D6tPtPrz7ppr3wiZL5Cu17yu0nAx0nhJTV8ZB qza1rOVun0x65S14L41XD2HkmBDxTaRlTg8ypnkLFo8kh+MEq4k67apL/DUGcaUjKy2TVUC7 3igLO/DwQHrkWx2RrOmS3xS0TgGXVmB47nq2Zveo3fcjporQK63n2sbLkS70cfAJAJ9KHEIx u9am44iW5Ku3+mVLgQYybtcUxlk/Jw/BA5V6KUcDQMd5kTm0MyagziqMaT+57ceYxwRBK4HC DCLRpSOHV81/YzyL5vnwfHsxADm3091rd0uwr8uRCQn7wLvlcFyp/JKSFkVnE1oo7UE4QQJZ 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rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <1452db0c-1210-3230-c044-bc682e7e1745@metricspace.net> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LyIxkKby04YEpGsH5AeydSISyWGbOKjgf" X-Sonic-CAuth: UmFuZG9tSVbWyOWmqredkSUqPpij1VbraeWHougpD8h9Z6qsrQNCJ+9AdyDr/Yz5MzLx47cuU1rvT4D0x5U6GCMM4KZnYztkPRUm2Z3mOm4= X-Sonic-ID: C;+u7oueSA6RG6gccSXokrVQ== M;4EsouuSA6RG6gccSXokrVQ== X-Spam-Flag: No X-Sonic-Spam-Details: 0.0/5.0 by cerberusd X-Rspamd-Queue-Id: CF9938EEDC X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.981,0]; ASN(0.00)[asn:7065, ipnet:64.142.96.0/19, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 May 2019 01:16:41 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --LyIxkKby04YEpGsH5AeydSISyWGbOKjgf Content-Type: multipart/mixed; boundary="q6PuLJAQ2dVeKq7lQ0j4emexr8iAFIqQL"; protected-headers="v1" From: Nathan Whitehorn To: Eric McCorkle , Edward Napierala Cc: "freebsd-hackers@freebsd.org" , FreeBSD Current Message-ID: <3aa00c6b-2502-ffad-c915-a833292882bd@freebsd.org> Subject: Re: FreeBSD and Coreboot References: <4a6b0f1e-64ec-6b83-b43b-f9791ec8428f@metricspace.net> <1452db0c-1210-3230-c044-bc682e7e1745@metricspace.net> In-Reply-To: <1452db0c-1210-3230-c044-bc682e7e1745@metricspace.net> --q6PuLJAQ2dVeKq7lQ0j4emexr8iAFIqQL Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US On 2019-05-27 15:50, Eric McCorkle wrote: > On 5/27/19 5:53 PM, Edward Napierala wrote: >> On Mon, 27 May 2019 at 16:14, Eric McCorkle wro= te: >> >> [..] >> >>> My plan is roughly this: >>> >>> * Refurbish the GRUB port, get it working again in QEMU (possibly on = one >>> of my machines), also possibly push a patch to GRUB to use the keybuf= s >>> mechanism to pass in GELI keys. >>> >>> * Get coreboot with GRUB/Seabios booting FreeBSD in QEMU >>> >>> * Possibly create a coreboot port (uncertain how this would work, sin= ce >>> Coreboot has its own extensive config menu) >>> >>> * Hold my breath and test it out on real hardware (I have a Librem 13= r1 >>> for this purpose) >>> >>> * Possibly try getting the FreeBSD kernel to work as a coreboot paylo= ad. >> Out of curiosity - why the kernel and not loader(8)? >> > If I understand coreboot correctly, loader would have to directly > manipulate devices _without a BIOS_. That is, it would have to have an= > entire device detection/interface layer, which I don't believe is the > case today. > > At least in the EFI case, loader is talking through the system's EFI > implementation, which takes care of all that for you. BIOS works in a > similar way. My sense is getting loader to the point where it could be= > a coreboot (without Seabios/GRUB/Tianocore) would be quite an undertaki= ng. > On IBM PowerNV systems, which also don't provide interfaces to a second-stage loader, we just abandoned loader(8). It's way too much work.= -Nathan --q6PuLJAQ2dVeKq7lQ0j4emexr8iAFIqQL-- --LyIxkKby04YEpGsH5AeydSISyWGbOKjgf Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE06V/sjLd+bX0X7ePTVLMJAifsGoFAlzsiWoACgkQTVLMJAif sGrKyxAAnhNhQhSx91G/JcTnIdvrvcQLJCOhlX6TZhQdWOXNeB0/Eb7CjeEWns3a Cxoi4abJmHYV82oerBSnszEuj5rZFo0H8wy0PCaPYsg4UhBUI0GtrfGCxSzewbfq NAgPnYA9hENLk0YX1QjI3gASSKv10+Ab6MiLIvrwwIgaB1iAEPy3GjI+OlvhqBak 3VeQyyM8PpQOhMirhND21oGiAV5uknLJdtNQCXqlFAGZa9l1KDeviKlNm7Hnur9N Xa5xzNF8fHtPs8kmWdd2gof8hthdFESHV3E6+3l2RHeVTrJBtv8NfnwmM/xwdjbA xQDS3Qs7kvjY034KvALgIDamhNScN6Lg+51rpAyfkgwXmPpgWLk2S/Wl41rKDuNH V6AYd2ceNe7fdKwz6cMgraQOsqMAG3jO4r9Cy9bPrIGX28oPet2jee0NsJv+f5qV HP+Qc4GZNCMM7cQbLaX5qeNVtAri0Tc02jz7m3wfqejzJDCx2XAbfQYWpYU2t3qk YH0o7RgrVtxUi0tMawe1BSlCcvBYqRUEqB7wLxWRAYUDCI4HUs1DJhaRjNMfBj5C MlwhU3cNxhS+/tzl16kRPePCNJnvP7nZzz6y7ceiPBfBeAbc0pdX4SqNoD/Dm1Gv vy3A2rOUa2oT5OZjlYgR2p3cWa5FLo6/x40WnvWFz4XpyMRjp5c= =O/BF -----END PGP SIGNATURE----- --LyIxkKby04YEpGsH5AeydSISyWGbOKjgf--