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Linux: Embedded Development by Chris Simmonds, Alex González, Alexandru Vaduva

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Chapter 4. Porting and Configuring the Kernel

The kernel is the third element of embedded Linux. It is the component that is responsible for managing resources and interfacing with hardware and so affects almost every aspect of your final software build. It is usually tailored to your particular hardware configuration although, as we saw in Chapter 3, All About Bootloaders, device trees allow you to create a generic kernel that is tailored to particular hardware by the contents of the device tree.

In this chapter, we will look at how to get a kernel for a board and how to configure and compile it. We will look again at bootstrap, this time focusing on the part the kernel plays. We will also look at device drivers and how they pick up information ...

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