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debugging
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October 18, 2024
Question

STM32MP2 ECO 5.10 arm64 Linux kernel uncompressed ?

While creating scripts to build the kernel preparing for the DK2, found that it creates vmLinux and Image (not uImage) even though ST's kernel build readme stated to build uImage . Torvalds has also posted something about the compressed versus uncompressed behavior for arm64 recently.

https://www.phoronix.com/news/Torvalds-ARM64-Compress-Kernel

Also the AArch64 kernel seem not to provide a decompressor, So should mkimage used to generate uimage for the DK board ? Is the readme outdated ?

Ref:

https://linux-arm-kernel.infradead.narkive.com/bcdVuTBY/aarch64-kernel-image-decompression

"Bringing in uImage as a target on ARM might have been a mistake, since now people want to bring in new targets for whatever boot format they happen to want. So it's a good idea to keep arm64 from going down the same path and stick to the native, raw, formats"

https://www.phoronix.com/news/Torvalds-ARM64-Compress-Kernel

 

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