From owner-freebsd-arm@freebsd.org Wed Aug 9 22:30:40 2017 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2F057DD747F for ; Wed, 9 Aug 2017 22:30:40 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-it0-x243.google.com (mail-it0-x243.google.com [IPv6:2607:f8b0:4001:c0b::243]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EF2BE3E2A for ; Wed, 9 Aug 2017 22:30:39 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-it0-x243.google.com with SMTP id 76so616251ith.2 for ; Wed, 09 Aug 2017 15:30:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=julIZThG9WZLzhNFj8tMm9wARpqgtIijtS7Df2XwnK8=; b=rfGt3GOzXTMKbNamA1BcTuldHBpC/siXdw878oSxlt3faJs8d0sP9NAluHITLd+FUq kwARqi6xt3yfPOYPMiX1G+NI3r26mJqEiKDzC/QBlA23h1xdn+cjaQBoz1X7HWg0Bu+i MHD8oKW2OAYWVENsAIDLpxI6khtRGzo/qAVq6p1UyBX/JPqKBhsGa3JPeL3NyXCL9/fn 6jhOB0bf5F/2bS2j+mk4iOgzN02ZOXQsD/0yUyUBkdDZklV4jAT/BRwvQ00cF+8/IKSL mN5bwjQrnvYRAZ5gIwKVsaEpMSPaydsn2keeR3dbeIfoliCcUrtm3dTJ97oOdgDjg9va JJ8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=julIZThG9WZLzhNFj8tMm9wARpqgtIijtS7Df2XwnK8=; b=TOn+hy7FNjgx//wkIXkcpWfF34Y+dMz8gJsb1l6o/JcDkhSxHnXCw1pJyPFpuSLi40 +HzM/p8fRZ3zYJjFpLsU6eBCUTN0D4G3yIyyYRZDm3JYlNrXVDAHsLmyAIJKiqDHvUt1 Laz6NjwSedFpFekXNeUUlCrioNLui46YZTpX50u5wYl6czO9WHacstXLBYk4Hqe2Csth JxiO3C5ULUizI9qZ7RBDr0d9lN65JPT2uo7czHQ8OUdqZmveQTO8SzRhRemIqSsNpHon Ay9XmfuNUUuSnN4W2L8iZIjisCmMj3BMdnqomb2w21yIVGVuPyl/qS9v099OY4/ufqNw +QbQ== X-Gm-Message-State: AIVw112ym1ycedHM9mxvijQ1vMlm7aFPjIBATp4+lPx2kZz0lLCYUJQu CsagK1qU5HgN7H3nAy1oIjZmOr1eGhTV X-Received: by 10.36.101.2 with SMTP id u2mr8539353itb.38.1502317839151; Wed, 09 Aug 2017 15:30:39 -0700 (PDT) MIME-Version: 1.0 Sender: wlosh@bsdimp.com Received: by 10.79.10.71 with HTTP; Wed, 9 Aug 2017 15:30:38 -0700 (PDT) X-Originating-IP: [2603:300b:6:5100:5174:9a63:631:693] In-Reply-To: References: From: Warner Losh Date: Wed, 9 Aug 2017 16:30:38 -0600 X-Google-Sender-Auth: UUyffc1Py72PR6j8IVUrhWFOBPY Message-ID: Subject: Re: armv6 kernel support for Raspberry Pi 3 in default aarch32 mode To: Sylvain Garrigues Cc: Mark Millard , freebsd-arm Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Aug 2017 22:30:40 -0000 On Wed, Aug 9, 2017 at 4:08 PM, Sylvain Garrigues < sylvain@sylvaingarrigues.com> wrote: > > > > So what's wrong and what shall be done to make our armv6 kernel boot > on a > > > raspberry pi 3? > > > > > I am interested in getting directions to make this happen > (modifications > > > needed in locore-v6.S?) > > > > To my knowledge no one has said they have ever figured this > > out for FreeBSD: it is a research project for whoever is > > interested enough to bother. > > > Apparently some people may have, so did Warner say a few weeks ago: > *"I've been told of people claiming to run a newer rpi2 **(v1.2 or newer) > in 32-bit mode, but I've not been able to confirm the **people who are > making the claims."* > (see this "Creating armv7 MACHINE_ARCH" thread: > https://docs.freebsd.org/cgi/getmsg.cgi?fetch=168619+0+/ > usr/local/www/mailindex/archive/2017/freebsd-arm/20170618.freebsd-arm > ) > For the record, I was never able to track anybody down that had done it successfully. It was mostly "I tried the image and it didn't work" or "I had the old version that worked" when I talked to people about it. Warner