From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64E0F3C082; Fri, 29 Mar 2024 10:01:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711706482; cv=none; b=BWV7miicVzruPdxI6biGdR6Mok5nKj66bgjl2qlQywFzUtfJmYmKEU8+vzcUmV5jxjNCAIiJcUktYOCUYbQ9kz32cxMXlfpUxUYGi7fPtVTvcTkjyz2PgUHBIkaUx5craQx/zo583UcnY8BayGHTbGwXnmQW5YkAtzbVQZkPHCY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711706482; c=relaxed/simple; bh=wtkFSyk+K3WBxG1FeJmsvrusngXPw6by46g/7b7BKLI=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=ALEr4F48bVtHOOjCbjQNmvZ6kL6dimoN6cXSW7nfl32yfeRaVnUTmajAPpI1QqPLo8kgu9osmVIv1iwrwBkLej8EfBNqPa6VOtyNSRcdrEqytHGdIT1MKzI416hURwSUxXLy+NwvFFPTKsc0HNpgCGzMqjQvOqSaiIDe59CzbwU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pGsQ80ZZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pGsQ80ZZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C40BC43394; Fri, 29 Mar 2024 10:01:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711706482; bh=wtkFSyk+K3WBxG1FeJmsvrusngXPw6by46g/7b7BKLI=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=pGsQ80ZZbtGykk+0fbrIAgYKNCBNgrkzmTnOeDZmQkrCBdnOAbtTrH9/h4NSdJqyz BUM/Q1Nl/JMYidMRduLpOztT1IzhnSBqXjfivuWWcM4Yg7GBsbTOABvql3zHM+ZgOg QPYtB1WmN+JyYJZUkPUFGuhTRBvgQrkQKZYM05RCxGzABiT6huIRKhTe/m6Gcv2/o/ Te2QOKMKTnMYcIZ6OpIhZYXIXoQvSkdzPA1SFrRaAo4YI7DP1OVuVfdNLi4jsbtc26 Xzjhkei05eubnx10JyYUVqPSYdJ/wUq7qQSKb67NSBDv5+uTSNCoFFj3bVKFKIosgY bJe1Hw21TS3QA== Received: by mail-lf1-f51.google.com with SMTP id 2adb3069b0e04-515a86daf09so2286417e87.3; Fri, 29 Mar 2024 03:01:22 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCUQzDWW+HDTHKKVcZ++t1Zz/H+YDI6Wzit/T85gbNr+p04MFoHb6pyqZ3FzzS7vBHTHeKdPQ0ZBJLJ5l2kI70v4iYwgaRt94pO8CMmPuDchyLD5kfW2gxSkxHPa1vuG2A/Vuc33PChtXHnkVhrvireynIEcZUh2oDaK6gKqKxHvQIY/yQry0cLyJJdu09gQKTkMk6eLA1I+yHJQQBC+wc6K X-Gm-Message-State: AOJu0Yzl1o0uA3JvjU7WwIdxKROhUBhwFn2kh3o/xobnpWaAD+pBRPrv fNrC7v7FOJ1PpuVTWhpS5u9Xnwsyg0ZSAH8Os9IlSX581+zZiLXUbkXL0tYtORVtHzEndVL6ON4 0VfTMeVnZhJQDIhZYLQcqa5nJn2U= X-Google-Smtp-Source: AGHT+IGwq8VV/L7M9VNMtYwfwPRGoYQfJ7HoQQfg1LXajsktZsxTgzQvygnKXtTF0R+0JRi3MpiO3uzFYVWULY1hCtg= X-Received: by 2002:a19:c20e:0:b0:515:c00d:7766 with SMTP id l14-20020a19c20e000000b00515c00d7766mr1323587lfc.54.1711706480893; Fri, 29 Mar 2024 03:01:20 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240329032836.141899-1-sjg@chromium.org> <20240329032836.141899-3-sjg@chromium.org> In-Reply-To: <20240329032836.141899-3-sjg@chromium.org> From: Masahiro Yamada Date: Fri, 29 Mar 2024 19:00:44 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v12 2/2] arm64: boot: Support Flat Image Tree To: Simon Glass Cc: linux-arm-kernel@lists.infradead.org, Ahmad Fatoum , Nicolas Schier , Catalin Marinas , Jonathan Corbet , Nathan Chancellor , Nick Terrell , Will Deacon , linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, workflows@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Mar 29, 2024 at 12:29=E2=80=AFPM Simon Glass wro= te: > > Add a script which produces a Flat Image Tree (FIT), a single file > containing the built kernel and associated devicetree files. > Compression defaults to gzip which gives a good balance of size and > performance. > > The files compress from about 86MB to 24MB using this approach. > > The FIT can be used by bootloaders which support it, such as U-Boot > and Linuxboot. It permits automatic selection of the correct > devicetree, matching the compatible string of the running board with > the closest compatible string in the FIT. There is no need for > filenames or other workarounds. > > Add a 'make image.fit' build target for arm64, as well. > > The FIT can be examined using 'dumpimage -l'. > > This uses the 'dtbs-list' file but processes only .dtb files, ignoring > the overlay .dtbo files. > > This features requires pylibfdt (use 'pip install libfdt'). It also > requires compression utilities for the algorithm being used. Supported > compression options are the same as the Image.xxx files. Use > FIT_COMPRESSION to select an algorithm other than gzip. > > While FIT supports a ramdisk / initrd, no attempt is made to support > this here, since it must be built separately from the Linux build. > > Signed-off-by: Simon Glass > --- > > Changes in v12: > - Avoid showing FIT message if V=3D0 Acked-by: Masahiro Yamada --=20 Best Regards Masahiro Yamada 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AA22DCD11DD for ; Fri, 29 Mar 2024 10:01:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Fri, 29 Mar 2024 03:01:20 -0700 (PDT) MIME-Version: 1.0 References: <20240329032836.141899-1-sjg@chromium.org> <20240329032836.141899-3-sjg@chromium.org> In-Reply-To: <20240329032836.141899-3-sjg@chromium.org> From: Masahiro Yamada Date: Fri, 29 Mar 2024 19:00:44 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v12 2/2] arm64: boot: Support Flat Image Tree To: Simon Glass Cc: linux-arm-kernel@lists.infradead.org, Ahmad Fatoum , Nicolas Schier , Catalin Marinas , Jonathan Corbet , Nathan Chancellor , Nick Terrell , Will Deacon , linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, workflows@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240329_030125_607742_974B085D X-CRM114-Status: GOOD ( 19.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gRnJpLCBNYXIgMjksIDIwMjQgYXQgMTI6MjnigK9QTSBTaW1vbiBHbGFzcyA8c2pnQGNocm9t aXVtLm9yZz4gd3JvdGU6Cj4KPiBBZGQgYSBzY3JpcHQgd2hpY2ggcHJvZHVjZXMgYSBGbGF0IElt YWdlIFRyZWUgKEZJVCksIGEgc2luZ2xlIGZpbGUKPiBjb250YWluaW5nIHRoZSBidWlsdCBrZXJu ZWwgYW5kIGFzc29jaWF0ZWQgZGV2aWNldHJlZSBmaWxlcy4KPiBDb21wcmVzc2lvbiBkZWZhdWx0 cyB0byBnemlwIHdoaWNoIGdpdmVzIGEgZ29vZCBiYWxhbmNlIG9mIHNpemUgYW5kCj4gcGVyZm9y bWFuY2UuCj4KPiBUaGUgZmlsZXMgY29tcHJlc3MgZnJvbSBhYm91dCA4Nk1CIHRvIDI0TUIgdXNp bmcgdGhpcyBhcHByb2FjaC4KPgo+IFRoZSBGSVQgY2FuIGJlIHVzZWQgYnkgYm9vdGxvYWRlcnMg d2hpY2ggc3VwcG9ydCBpdCwgc3VjaCBhcyBVLUJvb3QKPiBhbmQgTGludXhib290LiBJdCBwZXJt aXRzIGF1dG9tYXRpYyBzZWxlY3Rpb24gb2YgdGhlIGNvcnJlY3QKPiBkZXZpY2V0cmVlLCBtYXRj aGluZyB0aGUgY29tcGF0aWJsZSBzdHJpbmcgb2YgdGhlIHJ1bm5pbmcgYm9hcmQgd2l0aAo+IHRo ZSBjbG9zZXN0IGNvbXBhdGlibGUgc3RyaW5nIGluIHRoZSBGSVQuIFRoZXJlIGlzIG5vIG5lZWQg Zm9yCj4gZmlsZW5hbWVzIG9yIG90aGVyIHdvcmthcm91bmRzLgo+Cj4gQWRkIGEgJ21ha2UgaW1h Z2UuZml0JyBidWlsZCB0YXJnZXQgZm9yIGFybTY0LCBhcyB3ZWxsLgo+Cj4gVGhlIEZJVCBjYW4g YmUgZXhhbWluZWQgdXNpbmcgJ2R1bXBpbWFnZSAtbCcuCj4KPiBUaGlzIHVzZXMgdGhlICdkdGJz LWxpc3QnIGZpbGUgYnV0IHByb2Nlc3NlcyBvbmx5IC5kdGIgZmlsZXMsIGlnbm9yaW5nCj4gdGhl IG92ZXJsYXkgLmR0Ym8gZmlsZXMuCj4KPiBUaGlzIGZlYXR1cmVzIHJlcXVpcmVzIHB5bGliZmR0 ICh1c2UgJ3BpcCBpbnN0YWxsIGxpYmZkdCcpLiBJdCBhbHNvCj4gcmVxdWlyZXMgY29tcHJlc3Np b24gdXRpbGl0aWVzIGZvciB0aGUgYWxnb3JpdGhtIGJlaW5nIHVzZWQuIFN1cHBvcnRlZAo+IGNv bXByZXNzaW9uIG9wdGlvbnMgYXJlIHRoZSBzYW1lIGFzIHRoZSBJbWFnZS54eHggZmlsZXMuIFVz ZQo+IEZJVF9DT01QUkVTU0lPTiB0byBzZWxlY3QgYW4gYWxnb3JpdGhtIG90aGVyIHRoYW4gZ3pp cC4KPgo+IFdoaWxlIEZJVCBzdXBwb3J0cyBhIHJhbWRpc2sgLyBpbml0cmQsIG5vIGF0dGVtcHQg aXMgbWFkZSB0byBzdXBwb3J0Cj4gdGhpcyBoZXJlLCBzaW5jZSBpdCBtdXN0IGJlIGJ1aWx0IHNl cGFyYXRlbHkgZnJvbSB0aGUgTGludXggYnVpbGQuCj4KPiBTaWduZWQtb2ZmLWJ5OiBTaW1vbiBH bGFzcyA8c2pnQGNocm9taXVtLm9yZz4KPiAtLS0KPgo+IENoYW5nZXMgaW4gdjEyOgo+IC0gQXZv aWQgc2hvd2luZyBGSVQgbWVzc2FnZSBpZiBWPTAKCgpBY2tlZC1ieTogTWFzYWhpcm8gWWFtYWRh IDxtYXNhaGlyb3lAa2VybmVsLm9yZz4KCgotLSAKQmVzdCBSZWdhcmRzCk1hc2FoaXJvIFlhbWFk YQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgt YXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQu b3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJt LWtlcm5lbAo=