From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Christophe PLAGNIOL-VILLARD Subject: Re: [PATCH 1/2] ARM: Add Kconfig option to use mkimage -T kernel_noload Date: Wed, 29 Feb 2012 19:14:30 +0100 Message-ID: <20120229181430.GI3318@game.jcrosoft.org> References: <1330473804-23348-1-git-send-email-swarren@nvidia.com> <20120229122942.GF3318@game.jcrosoft.org> <74CDBE0F657A3D45AFBB94109FB122FF17BDDF206A@HQMAIL01.nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <74CDBE0F657A3D45AFBB94109FB122FF17BDDF206A-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren Cc: Russell King , Nicolas Pitre , Peter De Schrijver , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Colin Cross , Olof Johansson , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: linux-tegra@vger.kernel.org On 08:58 Wed 29 Feb , Stephen Warren wrote: > Jean-Christophe PLAGNIOL-VILLARD wrote at Wednesday, February 29, 2012 5:30 AM: > > On 17:03 Tue 28 Feb , Stephen Warren wrote: > > > uImage files typically encode a single absolute load and entry address. > > > This is inconvenient when attempting to share that uImage across multiple > > > SoCs with different physical RAM addresses. Recent versions of mkimage > > > implement a "kernel_noload" image type which encodes no absolute load > > > address, and a relative entry address. This works well for uImage-wrapped > > > ARM zImages, since they are relocatable. > > > > > > This is enabled by commit b9b50e89d317c58becd0e2d7fac2e21e3a81dd0a > > > "image: Implement IH_TYPE_KERNEL_NOLOAD" in U-Boot. > > > > > > Signed-off-by: Stephen Warren > > > --- > > > I assume I should put this into the ARM patch tracker if it's OK? > > > > Again a new option for uImage no why not just boot the zImage > > > > in this case the uImage is useless > > U-Boot doesn't support zImage at present. > > A patch was posted to support it at least for ARM, but needed a little > work before it could be committed. Sorry I see no advantage to have the uImage build by the kernel anymore as we have a relocatable zImage I'll even drop its support Best Regards, J.