From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1B80C2D0A3 for ; Fri, 6 Nov 2020 10:54:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 73AA020724 for ; Fri, 6 Nov 2020 10:54:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727211AbgKFKyO (ORCPT ); Fri, 6 Nov 2020 05:54:14 -0500 Received: from elvis.franken.de ([193.175.24.41]:41174 "EHLO elvis.franken.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726642AbgKFKxz (ORCPT ); Fri, 6 Nov 2020 05:53:55 -0500 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kazNQ-0000vt-00; Fri, 06 Nov 2020 11:53:52 +0100 Received: by alpha.franken.de (Postfix, from userid 1000) id 2895BC4DD9; Fri, 6 Nov 2020 11:48:48 +0100 (CET) Date: Fri, 6 Nov 2020 11:48:48 +0100 From: Thomas Bogendoerfer To: Chuanhong Guo Cc: linux-mips@vger.kernel.org, John Thomson , open list Subject: Re: [PATCH] MIPS: zboot: put appended dtb into a section Message-ID: <20201106104848.GA9806@alpha.franken.de> References: <20201026122926.1774569-1-gch981213@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201026122926.1774569-1-gch981213@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 26, 2020 at 08:29:25PM +0800, Chuanhong Guo wrote: > This will make a separated section for dtb appear in ELF, and we can > then use objcopy to patch a dtb into vmlinuz when RAW_APPENDED_DTB > is set in kernel config. > > command to patch a dtb: > objcopy --set-section-flags=.appended_dtb=alloc,contents \ > --update-section=.appended_dtb=.dtb vmlinuz > > Signed-off-by: Chuanhong Guo > --- > Note: > This should supersede this patch on linux-mips: > [2/2] mips: boot compressed: add support for vlinuz ELF DTB [0] > > [0] https://patchwork.kernel.org/project/linux-mips/patch/20201015201100.4130-2-git@johnthomson.fastmail.com.au/ > > arch/mips/boot/compressed/ld.script | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]