From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161453AbeEXVjV (ORCPT ); Thu, 24 May 2018 17:39:21 -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 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 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