From owner-freebsd-hackers@freebsd.org Mon Aug 24 14:44:00 2020 Return-Path: Delivered-To: freebsd-hackers@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 CF4A63C3097; Mon, 24 Aug 2020 14:44:00 +0000 (UTC) (envelope-from alfredo@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BZvyS53CBz4vP9; Mon, 24 Aug 2020 14:44:00 +0000 (UTC) (envelope-from alfredo@freebsd.org) Received: from mail-qk1-f176.google.com (mail-qk1-f176.google.com [209.85.222.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) (Authenticated sender: alfredo) by smtp.freebsd.org (Postfix) with ESMTPSA id 8D00E2BB03; Mon, 24 Aug 2020 14:44:00 +0000 (UTC) (envelope-from alfredo@freebsd.org) Received: by mail-qk1-f176.google.com with SMTP id o12so2915108qki.13; Mon, 24 Aug 2020 07:44:00 -0700 (PDT) X-Gm-Message-State: AOAM5316QETY++Vz+VNexmf1FGg8U5UZG0vbe7agU+zlgbmI1H4K3XrL hT7T/SZXJV7+37wgWcFt3J8A4DDFmbCccgKRxBo= X-Google-Smtp-Source: ABdhPJx5et2VDutA7HEj31bf5pAJzfRQgTPNEbbFKBc3/+aCctDczyNeh8mTBvgN8xphMXUU1QhXKvA8Vus0HhbY8AA= X-Received: by 2002:a37:6653:: with SMTP id a80mr4744918qkc.499.1598280239992; Mon, 24 Aug 2020 07:43:59 -0700 (PDT) MIME-Version: 1.0 References: <60daae6e-a467-437d-821c-8e8cd4938fc6@www.fastmail.com> In-Reply-To: <60daae6e-a467-437d-821c-8e8cd4938fc6@www.fastmail.com> From: =?UTF-8?Q?Alfredo_Dal=27Ava_J=C3=BAnior?= Date: Mon, 24 Aug 2020 11:43:43 -0300 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: PowerPC64LE bringup notes To: Brandon Bergren Cc: FreeBSD PowerPC ML , FreeBSD Hackers Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Aug 2020 14:44:00 -0000 This is an awesome job, Brandon! Thank you for letting us know. I hope to be able to help stabilize it. []'s Alfredo On Sun, Aug 23, 2020 at 2:12 AM Brandon Bergren wrote: > For anyone who hasn't been watching my progress in IRC: > > Over the last couple weekends, I have been working on experimentally > bringing up a PowerPC64 Little Endian kernel and userland for the first > time. > > Last weekend, I succeeded in booting into multiuser in qemu pseries (via a > somewhat convoluted boot procedure, as pseries makes bad assumptions about > kernel entry points.) > > This evening, I accomplished the same on a Blackbird, after having spent > some time during the week making progress on qemu powernv. > > My work tree is at https://github.com/bdragon28/freebsd/tree/little-endian > -- I will be tidying things up and getting pieces of it committed to SVN > relatively soon. > > For the forseeable future, BE will still be the preferred platform for > FreeBSD PowerPC64, as it's a heck of a lot more comfortable to debug in. > > I don't have install media yet for people to experiment with. (I have > stand/ disabled at the moment and make release depends on it, so all I have > are sets, kernels, and a cobbled-together LE rootdisk.) > > Additionally, I still need to get the tests for > https://reviews.llvm.org/D73425 written so I can get the target addition > accepted into LLVM. > > While I can boot multiuser and the compiler works, there appear to be some > lingering issues with floating point math that I have not gotten around to > debugging yet, which has some odd effects like making top hang. > > dmesg @ https://dmesgd.nycbug.org/index.cgi?do=view&id=5636 > > -- > Brandon Bergren > bdragon@FreeBSD.org > _______________________________________________ > freebsd-ppc@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org" >