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[73.14.173.85]) by smtp.gmail.com with ESMTPSA id b16-20020a05663801b000b0045a66a26208sm2815200jaq.128.2023.11.07.06.49.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Nov 2023 06:49:22 -0800 (PST) From: Simon Glass To: linux-arm-kernel@lists.infradead.org Cc: U-Boot Mailing List , Tom Rini , Masahiro Yamada , Simon Glass , Catalin Marinas , Nathan Chancellor , Nick Desaulniers , Nick Terrell , Nicolas Schier , Will Deacon , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 0/3] arm64: Add a build target for Flat Image Tree Date: Tue, 7 Nov 2023 07:48:48 -0700 Message-ID: <20231107144917.48304-1-sjg@chromium.org> X-Mailer: git-send-email 2.42.0.869.gea05f2083d-goog MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Tue, 07 Nov 2023 06:49:32 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781911927259007181 X-GMAIL-MSGID: 1781917101708927831 Flat Image Tree (FIT) is a widely used file format for packaging a kernel and associated devicetree files[1]. It is not specific to any one bootloader, as it is supported by U-Boot, coreboot, Linuxboot, Tianocore and Barebox. This series adds support for building a FIT as part of the kernel build. This makes it easy to try out the kernel - just load the FIT onto your tftp server and it will run automatically on any supported arm64 board. The script is written in Python, since it is easy to build a FIT using the Python libfdt bindings. For now, no attempt is made to compress files in parallel, so building the 900-odd files takes a while, about 6 seconds with my testing. The series also includes a few minor clean-up patches. [1] https://github.com/open-source-firmware/flat-image-tree Changes in v4: - Add a patch to move the single quotes for image name - Use single quotes for UIMAGE_NAME Changes in v3: - Drop temporary file image.itk - Drop patch 'Use double quotes for image name' - Drop double quotes in use of UIMAGE_NAME - Drop unnecessary CONFIG_EFI_ZBOOT condition for help - Avoid hard-coding "arm64" for the DT architecture Changes in v2: - Drop patch previously applied - Add .gitignore file - Move fit rule to Makefile.lib using an intermediate file - Drop dependency on CONFIG_EFI_ZBOOT - Pick up .dtb files separately from the kernel - Correct pylint too-many-args warning for write_kernel() - Include the kernel image in the file count - Add a pointer to the FIT spec and mention of its wide industry usage - Mention the kernel version in the FIT description Simon Glass (3): kbuild: arm64: Add BOOT_TARGETS variable arm: boot: Move the single quotes for image name arm64: boot: Support Flat Image Tree MAINTAINERS | 7 + arch/arm64/Makefile | 7 +- arch/arm64/boot/.gitignore | 1 + arch/arm64/boot/Makefile | 6 +- scripts/Makefile.lib | 20 ++- scripts/make_fit.py | 289 +++++++++++++++++++++++++++++++++++++ 6 files changed, 326 insertions(+), 4 deletions(-) create mode 100755 scripts/make_fit.py