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 v2: - Split double-quote change out into its own patch - 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 to-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: Use double quotes for image name arm64: boot: Support Flat Image Tree MAINTAINERS | 7 + arch/arm64/Makefile | 7 +- arch/arm64/boot/.gitignore | 2 + arch/arm64/boot/Makefile | 9 +- scripts/Makefile.lib | 20 ++- scripts/make_fit.py | 288 +++++++++++++++++++++++++++++++++++++ 6 files changed, 329 insertions(+), 4 deletions(-) create mode 100755 scripts/make_fit.py -- 2.42.0.869.gea05f2083d-goog
