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Preface

Chapter 1: Starting Out
Chapter 2: Learning About Toolchains
Chapter 3: All About Bootloaders
Chapter 4: Porting and Configuring the Kernel
Chapter 5: Building a Root Filesystem
Chapter 6: Selecting a Build System
Chapter 7: Creating a Storage Strategy
Chapter 8: Introducing Device Drivers
Chapter 9: Starting up-the init Program
Chapter 10: Learning About Prosesses and Threads
Chapter 11: Managing Memory
Chapter 12: Debugging with GDB
Chapter 13: Profiling and Tracing
Chapter 14: Real-time Programming

Index

-Key Features
Create efficient and secure embedded devices using Linux
Minimize project costs by using open source tools and programs
Explore each component technology in depth, using sample implementations as a guide

-Book Description
Mastering Embedded Linux Programming takes you through the product cycle and gives you an in-depth description of the components and options that are available at each stage. You will begin by learning about toolchains, bootloaders, the Linux kernel, and how to configure a root filesystem to create a basic working device. You will then learn how to use the two most commonly used build systems, Buildroot and Yocto, to speed up and simplify the development process. Building on this solid base, the next section considers how to make best use of raw NAND/NOR flash memory and managed flash eMMC chips, including mechanisms for increasing the lifetime of the devices and to perform reliable in-field updates. Next, you need to consider what techniques are best suited to writing applications for your device. We will then see how functions are split between processes and the usage of POSIX threads, which have a big impact on the responsiveness and performance of the final device The closing sections look at the techniques available to developers for profiling and tracing applications and kernel code using perf and ftrace.

-What you will learn
Understand the role of the Linux kernel and select an appropriate role for your application
Use Buildroot and Yocto to create embedded Linux systems quickly and efficiently
Create customized bootloaders using U-Boot
Employ perf and ftrace to identify performance bottlenecks
Understand device trees and make changes to accommodate new hardware on your device
Write applications that interact with Linux device drivers
Design and write multi-threaded applications using POSIX threads
Measure real-time latencies and tune the Linux kernel to minimize them