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The #1 practical, hands-on guide to developing systems based on embedded Linux - fully updated with extensive new coverage * *Helps programmers rapidly climb the learning curve, maximize productivity, and handle today's most important development challenges. *Contains new chapters on PCI Subsystem, Hotplug and UDEV, USB, and reducing boot time. *Offers practical coverage of Flash-resident filesystem images, the Memory Technology Devices subsystem, and today's hot new multicore processors. Product manufacturers are increasingly turning to embedded Linux - and thousands of software and firmware engineers must now master it for the first time. Embedded Linux Primer has become their #1 resource. Christopher Hallinan offers practical solutions for the real-world challenges embedded developers face - whether they are experienced legacy embedded systems developers moving to Linux or experienced Linux developers moving to embedded systems. Hallinan introduces Linux in embedded environments, covers all major systems and development issues, and offers dozens of valuable tips, tools and problemsolving techniques. His extensive code examples have been assembled from operational hardware running current versions of embedded Linux using the latest development and debugging tools. This book's wide-ranging, practical coverage includes: Linux kernel initialization; the special role of bootloaders and U-Boot in embedded Linux; the use of embedded Linux file systems, including JFFS2; building Flash resident file systems; using the Memory Technology Devices (MTD) subsystem with today's popular flash memory devices; and much more. This Second Edition has been updated for the latest kernel versions, and contains new chapters on the PCI Subsystem, Hotplug and UDEV, USB, and Reducing Boot Time. Readers will also find a detailed introduction to multicore, one of the hottest trends in embedded computing.