Introduction
History of Embedded Linux
Why Embedded Linux?
Embedded Linux Versus Desktop Linux
Frequently Asked Questions
Embedded Linux Distributions
Porting Roadmap

Getting Started
Architecture of Embedded Linux
Linux Kernel Architecture
User Space
Linux Start-Up Sequence
GNU Cross-Platform Toolchain

Board Support Package
Inserting BSP in Kernel Build Procedure
The Boot Loader Interface
Memory Map
Interrupt Management
The PCI Subsystem
Timers
UART
Power Management

Embedded Storage
Flash Map
MTD-Memory Technology Device
MTD Architecture
Sample MTD Driver for NOR Flash
The Flash Mapping Drivers
MTD Block and Character Devices
Mtdutils Package
Embedded File Systems
Optimizing Storage Space
Tuning Kernel Memory

Embedded Drivers
Linux Serial Driver
Ethernet Driver
I2C Subsystem on Linux
USB Gadgets
Watchdog Timer
Kernel Modules

Porting Applications
Architectural Comparison
Application Porting Roadmap
Programming with Pthreads
Operating System Porting Layer (OSPL)
Kernel API Driver

Real-Time Linux
Real-Time Operating System
Linux and Real-Time
Real-Time Programming in Linux
Hard Real-Time Linux

Building and Debugging
Building Kernel
Building Applications
Building Root File System
Integrated Development Environment
Debugging Virtual Memory Problems
Kernel Debuggers
Profiling

Embedded Graphics
Graphics System
Linux Desktop Graphics-The X Graphics System
Introduction to Display Hardware
Embedded Linux Graphics
Embedded Linux Graphics Driver
Windowing Environments, Toolkits, and Applications
Conclusion

uClinux
Linux on MMU-Less Systems
Program Load and Execution
Memory Management
File / Memory Mapping-The Intricacies of mmap()
in uClinux
Process Creation
Shared Libraries
Porting Applications to uClinux
XIP-eXecute In Place
Building uClinux Distribution

APPENDICES
A Booting Faster
Techniques for Cutting Down Bootloader Initialization
Tuning Kernel for Decreased Boot-Up Time
Tuning User Space for Decreased Boot-Up Time
Measuring Boot-Up Time
B GPL and Embedded Linux
User-Space Applications
Kernel
Points to Remember
Notes