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authorMarek Vasut <marex@denx.de>2015-05-14 14:31:12 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-05-26 10:57:41 +0100
commitd92664278cfd0fdb455f78f73f2c44a9ee1716e4 (patch)
tree897ac261175fa12ecbc3bd05a4db3cbd6ecd2604 /meta/classes/kernel-uimage.bbclass
parent86b3f29f93e3f87903668ea317c6bd97be4cdf62 (diff)
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kernel: Add basic fitImage support
This patch adds support for generating a kernel fitImage, which is a a successor to the uImage format. Unlike uImage, which could only contain the kernel image itself, the fitImage can contain all kinds of artifacts, like the kernel image, device tree blobs, initramfs images, binary firmwares etc. Furthermore, the fitImage supports different kinds of checksums, not only CRC32 like the uImage did. Last, but not least, fitImage supports signatures such that either the whole image or it's parts can be signed and then in turn can be verified by the bootloader. So far we only add support for wrapping the kernel image and DTB into the fitImage. The fitImage uses the sha1 checksum, which is the default. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Richard Purdie <richard.purdie@linuxfoundation.org> Cc: Koen Kooi <koen@dominion.thruhere.net> Cc: Paul Eggleton <paul.eggleton@linux.intel.com> Cc: Ross Burton <ross.burton@intel.com> Cc: Bruce Ashfield <bruce.ashfield@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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