Книга: Embedded Linux Primer: A Practical, Real-World Approach

4.4.1. What Else Do I Need?

4.4.1. What Else Do I Need?

This chapter has focused on the layout and construction of the Linux kernel itself. As you might have already discovered, Linux is only a small component of an embedded system based on Linux. In addition to the Linux kernel, you need the following components to develop, test, and launch your embedded Linux widget:

• Bootloader ported to and configured for your specific hardware platform

• Cross-compiler and associated toolchain for your chosen architecture

• File system containing many packagesbinary executables and libraries compiled for your native hardware architecture/processor

• Device drivers for any custom devices on your board

• Development environment, including host tools and utilities

• Linux kernel source tree enabled for your particular processor and board

These are the components of an embedded Linux distribution.

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