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Software Engineering

Random blurbs from my work as an embedded software engineer.

  1. Always remember to count starting with 0

    I've just had an "anvil of enlightenment" moment. I've been struggling for about an hour trying to boot a custom Linux kernel on a custom ARM target. When you jump to the entry point of the kernel, a few processor registers must be set accordingly for the kernel to gather initial information about the system since there is no BIOS on an embedded target. The boot loader I'm using has a very nice facility for passing arguments in the registers prior to jumping to any code... Unfortunately ...

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