From owner-dev-commits-src-all@freebsd.org Sun Feb 28 20:25:24 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CE36C5490B2 for ; Sun, 28 Feb 2021 20:25:24 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qk1-x72a.google.com (mail-qk1-x72a.google.com [IPv6:2607:f8b0:4864:20::72a]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DpZdc4sRPz4qtq for ; Sun, 28 Feb 2021 20:25:24 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qk1-x72a.google.com with SMTP id s7so4492180qkg.4 for ; Sun, 28 Feb 2021 12:25:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xQ8dzRf8Ng+PttZxu8m++PWT7Op7/JEhf1S5CT6bsCU=; b=A2/FTVFWl5VvMS1GBgKddVkhMgdaulUScpst3eXVnCTAMLb4cZD22NSa3pOeyEv736 5Ww7JARghv5v26Y/A94p6ac527t31g5yw+nnczAUuxLgrGCvmCWuCE7yr000mMTS3CcL BSIRZJnyMk4InJGXQKaGoiTMepxIpPjN9nNJ9SbuAr4gBuUS/KXxiuJqW6SQWja30YiE fittmi9q84iNAmGR05+6mEB7bNv1notrHJDEHAx8s7QXasw3/W9l5B+4vFSPFSe+jy0z nspXDVwCHpaFQPxwf6jg61nPAUoryaGndJ0zXS5zccotHbM2D191rVVPDl6+XlcjDVEK Cq5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=xQ8dzRf8Ng+PttZxu8m++PWT7Op7/JEhf1S5CT6bsCU=; b=aGjrGKO7+8U40nJJzcgm5xRacMbm1FoaTEX8iIO3pxZ256ga14BpgeWJ3kNa8gYWos zchyDZqgh9IGwjqP5ygfQ3XU4bKxgQKU2Z1m21t/kdPuA/whYutLOBSnqQyf+lzVJ7DP zpOP+RaySGZSIjA8RVhOFgWIaMnmqL4ua7J/7DDOGCpB/LWF6UULAAr2YzV6G5Wynkc5 L8k6aqfxhB/SRfMpHqrfGdwNZ0U2j4PjGAY6HNdhvBH9Vaqhz0aNlNQHPg29YFSgpoIP uWl3jTHh6ESKBPfs9nfBaBIbybMfleE6YE6iZ8oUROqxNOP7Ql64gp1atfuv310VgQ5O Qyaw== X-Gm-Message-State: AOAM533wyUEo6FWIjzZmSYmMJtWKVvL6dBOhAHN0nNXIjwyXXdQBm9fk tNSikrIJzDLfXvuGl+laIqYZxaFDz3qp5Bbd8o84DBZMxT4wBw== X-Google-Smtp-Source: ABdhPJxPqTad23aRCc5n4DfIlFBg5PQx1dTCffeqnyFOeBvpsXjSjttCz6mi8oavyyBr/fzh0wRS4Abk5Spo3nUCLZ0= X-Received: by 2002:a37:a085:: with SMTP id j127mr11267092qke.206.1614543923532; Sun, 28 Feb 2021 12:25:23 -0800 (PST) MIME-Version: 1.0 References: <202102232124.11NLOT27012354@gitrepo.freebsd.org> <01000177d0e7f033-389acb59-2004-4040-ba7c-762878ef86b4-000000@email.amazonses.com> <583f83d8-c78b-d961-d2c5-9693bd36563b@freebsd.org> <743fd126-2077-49b1-9c85-7ccc61616b98@www.fastmail.com> <460ceb98-e0c1-42b3-8e3c-2587c5ce8398@www.fastmail.com> In-Reply-To: From: Warner Losh Date: Sun, 28 Feb 2021 13:25:12 -0700 Message-ID: Subject: Re: git: 0b7472b3d8d2 - main - Mount the EFI system partition (ESP) on newly-installed systems. To: Kevin Bowling Cc: Brandon Bergren , Jessica Clarke , Nathan Whitehorn , Colin Percival , src-committers , "" , dev-commits-src-main@freebsd.org X-Rspamd-Queue-Id: 4DpZdc4sRPz4qtq X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Feb 2021 20:25:24 -0000 On Sun, Feb 28, 2021 at 9:48 AM Kevin Bowling wrote: > This got me interested because I did recall something like Warner > mentioned. It seems like some of the folks that used to be at OzLabs > did it as a PoC > > https://www.flamingspork.com/blog/2015/10/20/tianocore-uefi-ported-to-openpower/ > . > Ah yes, it was OzLabs' tianocore port that I recalled. > One of the exciting things about OpenPower was that everything above > the gates was open in a way only RISC-V seems a chance of repeating > any time soon. There are no practical limits to the firmware and > runtime service; if you haven't seen this you both might enjoy it > > https://www.flamingspork.com/blog/2016/10/30/windows-nt4-for-powerpc-guest-on-opal-on-power8-in-qemu/ > . > > Practically speaking, with Petitboot (which FreeBSD on PowerNV uses) > there isn't much point to go to something like UEFI. It's literally > Unix vs DOS-like. The primary targets are Raptor POWER9 hardware and > LoPAPR/LoPAR VMs (kvm, PowerVM) and I don't see any near term > indication of the ISA expanding to new platforms that would concern > FreeBSD. > Yes. I agree as well. I was just hoping to say just that: EFI is barely theoretically possible, but in reality we'll likely never use it.... The net effect is that we don't want to install efi on powerpc on freebsd. Warner > Regards, > Kevin > > On Sat, Feb 27, 2021 at 8:18 PM Warner Losh wrote: > > > > On Sat, Feb 27, 2021, 8:01 PM Brandon Bergren > wrote: > > > > > On Sat, Feb 27, 2021, at 8:39 PM, Warner Losh wrote: > > > > > 32-bit Arm can boot via EFI. Just mips* and powerpc*. > > > > > > > > There was some rumblings of little endian powerpc64 efi, but I don't > > > > think it's ready... > > > > > > I've never heard of such things. PAPR/LoPAPR/LoPAR (pseries) is > specified > > > as an OpenFirmware platform, and I don't see that changing in the > future > > > given the way it's baked into the spec. And PowerNV is a > > > minimal-runtime-services platform where the runtime abstraction (OPAL) > > > calls don't include any sort of way to access disk devices. > > > > > > Do you mean alternative firmware for PowerNV? I've heard people > talking on > > > and off about coreboot, but I don't see that becoming mainstream over > the > > > petitboot skiroot payload. > > > > > > I don't see the pseries virtualization requirements changing away from > > > OpenFirmware in the future either, given the OpenFirmware requirement > has > > > been a constant all the way back to CHRP. > > > > > > > > > There was a working group that was defining powerpc bindings that were > > being worked on. When I went back to find them again I couldn't, so maybe > > they came to naught... > > > > Warner > > > > > > > > > Yea, we have long since switched our preferred boot on arm to EFI... > > > > though we don't have installer images for 32bit arm, which is this > > > > runs... so it's needed for correctness, but not a practical > > > > difference... > > > > > > > > Warner > > > > > > -- > > > Brandon Bergren > > > bdragon@FreeBSD.org > > > > > _______________________________________________ > > dev-commits-src-main@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/dev-commits-src-main > > To unsubscribe, send any mail to " > dev-commits-src-main-unsubscribe@freebsd.org" >