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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 7EA9DC4363A for ; Mon, 26 Oct 2020 13:12:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3088B20756 for ; Mon, 26 Oct 2020 13:12:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2442892AbgJZNMc (ORCPT ); Mon, 26 Oct 2020 09:12:32 -0400 Received: from wout3-smtp.messagingengine.com ([64.147.123.19]:42943 "EHLO wout3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731134AbgJZNMX (ORCPT ); Mon, 26 Oct 2020 09:12:23 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id 1C116772; Mon, 26 Oct 2020 09:12:22 -0400 (EDT) Received: from imap4 ([10.202.2.54]) by compute1.internal (MEProxy); Mon, 26 Oct 2020 09:12:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastmail.com.au; h=mime-version:message-id:in-reply-to:references:date:from:to :cc:subject:content-type; s=fm1; bh=jE/sdEfYYfl7ageh2OP4YHEXIU+y jGIFM8hj9fv1juU=; b=BslkchQbCSUTbY8LXI3nznM8fp+gv0tqDMW0V59wBk11 7FhFp5LLlOf8VbYhBRqvPDAE8im8lQWgyamU/JaMcReqQ+ro7wdKERlkB74GbM4G jlKL3d8krkSNkta3zcYc70nn1On5LgJx1saA9rioNlvZ63ovf+2tblFLRsqDEkDs ge1+x4XJQtfJ/N3EIq3wR3WHgtl9PTaTT6Ej15cb2ZX5rArOWPuqtnuOf6jgdLvf Lrx3hax+i5meO5TSJePcDYZ8m43CJuSuWfjhjvOZZrIppmSMoAAQ70RwILFxjwVw odEGhdTU83wz7uIxwHfxBl0rCl/f6jYiJyV7UTrgJQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=jE/sdE fYYfl7ageh2OP4YHEXIU+yjGIFM8hj9fv1juU=; b=TXN289va9ks6UmPy79R3D/ rz6doRLzy+uaHQ/1cIFjmrQ3CSdcoydxwwYhxsdH/Ke2zUWwSgSZo/rYEVEllQb7 DlXXCka8JkzbqZdom3iqzoKsH5UniM0ImEO+wtoyT+ySRhINCYYHXENhdpkeB1sg bIXiQ5TL/KglU0/egxens/pf4dcxfnFQ2L/qOBnZm9MRdkhKdsF+NP09C+Bg8KD1 BhJMm83Ad9I0ATA88foVOxrEVUxscOwhFIeGkR0U3kXDic2dSUUX5i/ZPMjCOom0 +NC83/FRomJd6mi1KvUZryDddbBM0B291n2J4SIwVqar2WSnbQyHtjN4Gqz2Xd6Q == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrkeejgdduvdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefofgggkfgjfhffhffvufgtsehttdertderredtnecuhfhrohhmpedflfhohhhn ucfvhhhomhhsohhnfdcuoehgihhtsehjohhhnhhthhhomhhsohhnrdhfrghsthhmrghilh drtghomhdrrghuqeenucggtffrrghtthgvrhhnpeffuddufeefgeffgffhvdelveduieel leefgefffeegieelkeeifedtvdeuhefftdenucevlhhushhtvghrufhiiigvpedtnecurf grrhgrmhepmhgrihhlfhhrohhmpehgihhtsehjohhhnhhthhhomhhsohhnrdhfrghsthhm rghilhdrtghomhdrrghu X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id 3991E3C00A1; Mon, 26 Oct 2020 09:12:21 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.0-529-g69105b1-fm-20201021.003-g69105b13 Mime-Version: 1.0 Message-Id: In-Reply-To: <20201026122926.1774569-1-gch981213@gmail.com> References: <20201026122926.1774569-1-gch981213@gmail.com> Date: Mon, 26 Oct 2020 13:11:27 +0000 From: "John Thomson" To: "Chuanhong Guo" , linux-mips@vger.kernel.org Cc: "Thomas Bogendoerfer" , "open list" Subject: Re: [PATCH] MIPS: zboot: put appended dtb into a section Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Mon, 26 Oct 2020, at 12:29, 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. Thank you Chuanhong Guo, this worked for me. I have successfully network boot tested this change on ath79 hardware: - kernel vmlinuz.bin then appended DTB, and packed into a uImage (out of kernel tree) - kernel vmlinuz then updated ELF DTB appended_dtb section, and ELF booted Cheers, -- John Thomson