Embedded Linux Primer

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This book provides essential guidance for developing efficient, Linux-based embedded systems, consolidating valuable knowledge that has not been previously gathered in one resource. Drawing on extensive experience as an embedded Linux consultant and field application engineer, the author addresses common technical challenges, demonstrating how to create and optimize an embedded Linux environment. The journey begins with an overview of a typical Linux-based embedded system, highlighting key concepts and components while distinguishing Linux from traditional embedded systems. The author, writing from the perspective of an embedded developer, covers a range of topics including kernel building, initialization, bootloaders, device drivers, and file systems. There is a thorough examination of BusyBox utilities, a detailed guide on porting Linux to custom boards, and an introduction to real-time configuration via CONFIG_RT, a significant advancement in embedded Linux. Additionally, the book offers in-depth insights into development tools for analyzing and debugging embedded systems, emphasizing kernel debugging techniques. The author, Christopher Hallinan, has over 20 years of experience in engineering, management, and consulting within the embedded Linux field, with contributions to various industry publications.