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Chapter 4. The Linux Kernel: A Different... > Obtaining a Custom Linux Kernel

4.6. Obtaining a Custom Linux Kernel

In general, you can obtain an embedded Linux kernel for your hardware platform in three ways: You can purchase a suitable commercial embedded Linux distribution; you can download a free embedded distribution that supports your particular hardware platform, if you can find one suitable for your particular architecture and processor; or you can find the closest open-source Linux kernel to your application and port it yourself.

Although porting an open source kernel to your custom board is not necessarily difficult, it represents a significant investment in engineering/development resources. This approach gives you access to free software, but deploying Linux in your development project is far from free, as we discussed in Chapter 1, “Introduction.” Even for a small system with minimal application requirements, you need many more components than just a Linux kernel.


  

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