* Understand essential hardware details * Walk through an embedded system startup * Build an extensible development platform * Prebuilt GNU X-Tools for 21 platforms Build embedded microprocessor-based systems from the ground up. Develop an integrated und Explore firmware development from cold-boot to network-boot. Investigate CPU-to-peripheral interfaces. Write a powerful CLI, flash drivers, a flash file system and a TFTP client/server. Includes a cross-compilation toolset for 21 processors and source for an extensible firmware development platform.