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=-4.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH autolearn=ham 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 75912C04AB3 for ; Mon, 27 May 2019 12:14:42 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 49ABA217F9 for ; Mon, 27 May 2019 12:14:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gSDCJYA9"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="dhTS4Lyo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49ABA217F9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=I0ruloNq4RUqfYT+TleXYN24AvMAM91EyPWCwTp1wFc=; b=gSDCJYA9roUMZ1 7WDUHbHRQAgg7VkcAeXE3vPnN4MDA8aS3fz9znsio67kd+hM6/+m1ESg/wTQvtZz+lS7CATtvS12F yARAbFQICgMd7k950D3M/CkPkhQsgl50Qp8/k2MpG+bJvQDaBh9KzFXShEFgXSj97EiAg1Ug3xuSV UeK+wdEtK/6UkFJ8g+JNb80vLraeGcpu+e5VBo5NrzjLcQ4Xo0cGhzCroNCGkCrO30mOKGeslppkt fdXvlkoH5XNNAIYdmhTzPxwUOD8TxFUpqepG/Br3LeHFwE5FP2LAlJ/waCywBszudJAwlEusrMkP4 I67LkFrvK+hxNNdcweRg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVEWQ-0002Se-JG; Mon, 27 May 2019 12:14:34 +0000 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVEW3-0001s5-4L for linux-arm-kernel@lists.infradead.org; Mon, 27 May 2019 12:14:13 +0000 Received: by mail-wr1-x442.google.com with SMTP id l17so8315617wrm.10 for ; Mon, 27 May 2019 05:14:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=PE2qyWliumUSN347T63t3e5/xkurT9iBkthy1WXizA0=; b=dhTS4Lyo6SbCjSE0fCEMltNu8hrg3FYreV6ihgKD/j5WlQmZ59l/hIEGDAS2WqhZmZ MD+K9RIb5EUi9NdZnsBB3RTdFvv4BgR1o/M2VaiYcGnxPZEcgJcTCF9IUrDkLGxtLojN uiryJJNMocYQifyuTO8UEQZjULzzqORfdm8GxBBLX7uhR4stQ1mR+LqM8oiICIgkfz5s cHXU/cRd1XfmnM3TKS1ytiOTb3u+HjbphRNTHLKIwz0oiJAdPz9ZIz0+D+G22dSc/JaX ZNcY9gexJzXKUMB5eD81sX/W4TlJUe0+ePBN5RUe05uuQ6F7tQd7qvgiphGssOwjBpjg oN0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=PE2qyWliumUSN347T63t3e5/xkurT9iBkthy1WXizA0=; b=pK/vp9pca3iYLBHQ7mWvw/f6K0+e+UlO1zwQl+TcLbNx/Y4HWf9minTyrizOxzttGn O8MAl9V4k6pmR8ArGhIULRfQnUy8dYQvILHYV0pCxRyFA8DCMzUgzv2YozwZye55MsAG WsN9d4thtRPvjXmAk0274y6SyRa5TpFcFtsPeEUVKsBNAnVW5Fj9e7kscTeJOFDMAg2c 7KPYyyCmipCT3dlrVyGgYunDmifCfCXF91zhOng5tA+RBumdYzL4FmOh8Loi7R8qPM5F 9IwRMz8065dIj52Lptl+rWZeS946OfBnaSP/sMetAsCQVNrzhJkXHr0ofQybJkVliDXS nYXQ== X-Gm-Message-State: APjAAAWTPwkmMEYq8gONUyLATX/R+zyba42IA0GaDR1/OsJrpbNxnW+1 nqVixJqewg4AOJ+IFD7GHsXGmQ== X-Google-Smtp-Source: APXvYqxFIeIFAETZTduZaUtWDN1ZmmLNb6kXNXnGerFOHnX/KETZawLZ46jctX7F/liDIJ5DEWDDew== X-Received: by 2002:adf:ee0c:: with SMTP id y12mr50236022wrn.34.1558959249250; Mon, 27 May 2019 05:14:09 -0700 (PDT) Received: from localhost (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id t7sm10699918wrq.76.2019.05.27.05.14.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 May 2019 05:14:08 -0700 (PDT) From: Loys Ollivier To: Atish Patra , linux-kernel@vger.kernel.org Subject: Re: [v4 PATCH] RISC-V: Add an Image header that boot loader can parse. In-Reply-To: <20190524041814.7497-1-atish.patra@wdc.com> References: <20190524041814.7497-1-atish.patra@wdc.com> Date: Mon, 27 May 2019 14:14:03 +0200 Message-ID: <86zhn8p01g.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190527_051411_224999_F787B602 X-CRM114-Status: GOOD ( 12.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, Jonathan Corbet , Albert Ou , linux-doc@vger.kernel.org, catalin.marinas@arm.com, ard.biesheuvel@linaro.org, Zong Li , Atish Patra , Anup Patel , Palmer Dabbelt , "paul.walmsley@sifive.com" , Nick Kossifidis , linux-riscv@lists.infradead.org, "marek.vasut@gmail.com" , linux-arm-kernel , Karsten Merker Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu 23 May 2019 at 21:18, Atish Patra wrote: > Currently, the last stage boot loaders such as U-Boot can accept only > uImage which is an unnecessary additional step in automating boot > process. > > Add an image header that boot loader understands and boot Linux from > flat Image directly. > > This header is based on ARM64 boot image header and provides an > opportunity to combine both ARM64 & RISC-V image headers in future. > > Also make sure that PE/COFF header can co-exist in the same image so > that EFI stub can be supported for RISC-V in future. EFI specification > needs PE/COFF image header in the beginning of the kernel image in order > to load it as an EFI application. In order to support EFI stub, code0 > should be replaced with "MZ" magic string and res4(at offset 0x3c) > should point to the rest of the PE/COFF header (which will be added > during EFI support). > > Tested on both QEMU and HiFive Unleashed using OpenSBI + U-Boot + Linux. Thanks Atish, happy to have this support that makes the boot process more straightforward. Tested on HiFive Unleashed using OpenSBI + U-Boot v2019.07-rc2 + Linux. > > Signed-off-by: Atish Patra > Reviewed-by: Karsten Merker > Tested-by: Karsten Merker (QEMU+OpenSBI+U-Boot) Tested-by: Loys Ollivier _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel