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Embedded Linux by John Lombardo

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Processor Choices

Because Linux has been ported to virtually every processor type and family, it’s unlikely that you’ll have to start from scratch and do all the work yourself. This also means that the available choices in terms of performance, cost, power consumption, and peripheral functions are nearly unlimited, and you won’t be forced to make giant compromises just to accommodate some obscure processor family.

It’s very important to do your homework on the processor you choose. For instance, it’s much easier to work with a processor that has a memory management unit (MMU) than a processor without one. A memory management unit provides differentiated address spaces for the kernel and each process, enforces memory protection, and provides for ...

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