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[209.132.180.67]) by mx.google.com with ESMTP id 69-v6si22524891plc.543.2018.05.24.19.44.14; Thu, 24 May 2018 19:44:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@armlinux.org.uk header.s=pandora-2014 header.b=Ub8s8V2l; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=armlinux.org.uk Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161450AbeEXVjU (ORCPT + 99 others); Thu, 24 May 2018 17:39:20 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:39506 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966304AbeEXVjS (ORCPT ); Thu, 24 May 2018 17:39:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2014; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=m/x3paVr9IkGk9vEdTxUezVnjulTok3+drn3pqwf0mU=; b=Ub8s8V2lYIffStgWEMp0nedEi w0qhzDPKSbFJUiosQC6iTPk0Un0OU9eWmZS7OBnMTOiniPJuAHj+EpCO8MA14FA0m6JQbyzugHgPe o7+1djE0Ve8BY9n6rKkJmte4WfAhyuuxWX1DYU8zFmeyILkgQZpVH0o7y7tQZKvd43xas=; Received: from n2100.armlinux.org.uk ([2002:4e20:1eda:1:214:fdff:fe10:4f86]:36942) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.90_1) (envelope-from ) id 1fLxwz-00011V-QE; Thu, 24 May 2018 22:39:09 +0100 Received: from linux by n2100.armlinux.org.uk with local (Exim 4.90_1) (envelope-from ) id 1fLxwr-0003Ye-8F; Thu, 24 May 2018 22:39:01 +0100 Date: Thu, 24 May 2018 22:38:59 +0100 From: Russell King - ARM Linux To: Ramon Fried Cc: Baruch Siach , catalin.marinas@arm.com, will.deacon@arm.com, open list , linux-arm-kernel@lists.infradead.org Subject: Re: uImage target support on arm64 Message-ID: <20180524213859.GA17671@n2100.armlinux.org.uk> References: <20180524193449.jql27apudwaevwpf@tarshish> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 24, 2018 at 11:17:19PM +0300, Ramon Fried wrote: > On Thu, May 24, 2018 at 10:34 PM, Baruch Siach wrote: > > Hi Ramon, > > > > On Thu, May 24, 2018 at 10:05:15PM +0300, Ramon Fried wrote: > >> I've noticed that it's not supported. > >> Is it on purpose ? > > > > Yes. The 32bit load address in the uImage header in pretty limited when > > applied to 64bit ARM64. Even for ARM zImage is the preferred kernel format for > > quite some time now, since it allows flexible load address, as well as > > multi-platform kernels. > Hi Baruch. > I though that in terms of U-boot, the new FIT image is the preferred > kernel format. u-boot keeps inventing new image formats for itself that are specific to u-boot. Not every boot loader is u-boot. For 32-bit ARM, zImage has _always_ since day one been the preferred format. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up According to speedtest.net: 8.21Mbps down 510kbps up