From owner-freebsd-embedded@freebsd.org Wed Mar 9 00:26:08 2016 Return-Path: Delivered-To: freebsd-embedded@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 7B7E6AC8F4A for ; Wed, 9 Mar 2016 00:26:08 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-io0-x233.google.com (mail-io0-x233.google.com [IPv6:2607:f8b0:4001:c06::233]) (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 4AD528EB for ; Wed, 9 Mar 2016 00:26:08 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-io0-x233.google.com with SMTP id n190so47553143iof.0 for ; Tue, 08 Mar 2016 16:26:08 -0800 (PST) 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:date:message-id:subject :from:to:cc; bh=Gfc8aq6LU6tYgbIN/2/mGFdm5ypF/bdWuCHLRfTpdik=; b=BlCPS44U8e/phtYdd5ysOuYVY9u5mbVciZYaYDJyjBsqe+IEEAXzRmYqNFqSobEMAj GiDAP7NxpofU6oNd27MYucphxMuChGPQJxvBApov9SNT9Tkh4tVNxFYFCtBYRUD4b5k8 z8WyP2iOxIrWixoY0oimGqj1zo40AJBl7W4kjK77OaoiCxoTizoWyoQliNlNK0W0oK5T gLNrJjYtuCe3LRV/83PKH/7A7Ohm2Ewq82c2qg0n1ptLEYTEoj04lpArHzTioqo0zJyj yvCeIGWUvlpG/nlvKFL6cTaO8GssgjrpnuGCqqUT32FYSFOrFfrBcL/pS/sF0bDG6lAu 7zGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc; bh=Gfc8aq6LU6tYgbIN/2/mGFdm5ypF/bdWuCHLRfTpdik=; b=EAaDXHHy5R2kbJmQjIGLc3o4x7pK1s06ZkRI72m6dhsBk78qdrt6M6z19KcUHx0/GV 06GBK+Ar3d+N02aX4reYRb9A+szzgGVVmJaOO+VvURcd1E1lRCpoDhpp26YuwTM8R7vW LAWPU66Vq9U5llULSHWvU/QlsPIvUYtI6qtvmrY8+w0108BHOgQjM6EeR9vEjxko3+mu rXB+Is9UJ3w9hCMH+JOtav2lNaAG0KS5DaPVPRNVT/P1WVehauVF/MylaJiwMQRbHMmz dxsa3ydn6auhXbTXFIYQs/yPFspIK7A+xWqxphOBm3LmNg5lTNIgSblsC4MIkBaEZPfA VEng== X-Gm-Message-State: AD7BkJL1up65oLkoz6wVEJD+FEy/6j+zNSBqxce4aZ5jT0Fcl2Rmp4PlASmOBx+8cf9T1EGO8e3RfFSjakanhA== MIME-Version: 1.0 X-Received: by 10.107.155.206 with SMTP id d197mr28251819ioe.135.1457483167541; Tue, 08 Mar 2016 16:26:07 -0800 (PST) Sender: wlosh@bsdimp.com Received: by 10.36.65.167 with HTTP; Tue, 8 Mar 2016 16:26:07 -0800 (PST) X-Originating-IP: [75.144.23.245] In-Reply-To: References: <1457473674.1406.46.camel@freebsd.org> Date: Tue, 8 Mar 2016 17:26:07 -0700 X-Google-Sender-Auth: vmChYApbbGqlF3flqhwMrw4rEGU Message-ID: Subject: Re: ? about kernel size.. From: Warner Losh To: Brad Walker Cc: Ian Lepore , "freebsd-embedded@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: freebsd-embedded@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Dedicated and Embedded Systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Mar 2016 00:26:08 -0000 On Tue, Mar 8, 2016 at 2:56 PM, Brad Walker wrote: > Correct. > > But, are you saying that no engineering has been done on this yet OR no > amount of engineering could make it work? > > For example, I'm pretty well versed in the Solaris kernel stuff and there > is really no amount of engineering that could make it work in a non-MMU > environment.. > > I was thinking, at least in my mind, is that if Linux can do it certainly > FreeBSD could if the work was done. Am I incorrect? > > It might be possible. No body has done it. It's a bit of a heavy lift. You might be happier looking at a port of retrobsd.org's 2.11 port to tiny mips devices. Warner