4/6/2024 0 Comments U boot imageOtherwise the operating system (or its second stage bootloader) should be run as standalone program OS kernel Image should be used only with operating system supported by U-Boot. this means, that you cannot expect to re-enter U-Boot except by resetting the CPU. Usually these programs will install their own set of exception handlers, device drivers, set up the MMU, etc. "OS Kernel Images" are usually images of some Embedded OS which will take over control completely. "Standalone Programs" are directly runnable in the environment provided by U-Boot it is expected that (if they behave well) you can continue to work in U-Boot after return from the Standalone Program. The header is marked by a special Magic Number, and both the header and the data portions of the image are secured against corruption by CRC32 checksums. Compression Type (uncompressed, gzip, bzip2).the header defines the following image properties: The format is based on binary or text files which can be basically anything, U-Boot uses special format for bootable images.
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