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Embedded Linux Systems
Building Embedded Linux Systems
Dedication
Preface
Audience of This Book
Scope and Background Information
Organization of the Material
Hardware Used in This Book
Software Versions
Book Web Site
Typographical Conventions
Contact Information
Acknowledgments
Chapter 1. Introduction
1.1 Definitions
1.2 Real Life and Embedded Linux Systems
1.3 Example Multicomponent System
1.4 Design and Implementation Methodology
Chapter 2. Basic Concepts
2.1 Types of Hosts
2.2 Types of Host/Target Development Setups
2.3 Types of Host/Target Debug Setups
2.4 Generic Architecture of an Embedded Linux System
2.5 System Startup
2.6 Types of Boot Configurations
2.7 System Memory Layout
Chapter 3. Hardware Support
3.1 Processor Architectures
3.2 Buses and Interfaces
3.3 I/O
3.4 Storage
3.5 General Purpose Networking
3.6 Industrial Grade Networking
3.7 System Monitoring
Chapter 4. Development Tools
4.1 Using a Practical Project Workspace
4.2 GNU Cross-Platform Development Toolchain
4.3 C Library Alternatives
4.4 Java
4.5 Perl
4.6 Python
4.7 Ada
4.8 Other Programming Languages
4.9 Integrated Development Environments
4.10 Terminal Emulators
Chapter 5. Kernel Considerations
5.1 Selecting a Kernel
5.2 Configuring the Kernel
5.3 Compiling the Kernel
5.4 Installing the Kernel
5.5 In the Field
Chapter 6. Root Filesystem Content
6.1 Basic Root Filesystem Structure
6.2 Libraries
6.3 Kernel Modules
6.4 Kernel Images
6.5 Device Files
6.6 Main System Applications
6.7 Custom Applications
6.8 System Initialization
Chapter 7. Storage Device Manipulation
7.1 MTD-Supported Devices
7.2 Disk Devices
7.3 To Swap or Not to Swap
Chapter 8. Root Filesystem Setup
8.1 Selecting a Filesystem
8.2 Using an NFS-Mounted Root Filesystem to Write a Filesystem Image to Flash
8.3 CRAMFS
8.4 JFFS2
8.5 Disk Filesystem over NFTL
8.6 Disk Filesystem over RAM Disk
8.7 Mounting Directories on TMPFS
8.8 Live Updates
Chapter 9. Setting Up the Bootloader
9.1 Bootloaders Galore
9.2 Server Setup for Network Boot
9.3 Using LILO with Disk and CompactFlash Devices
9.4 Using GRUB with DiskOnChip Devices
9.5 U-Boot
Chapter 10. Setting Up Networking Services
10.1 The Internet Super-Server
10.2 Remote Administration with SNMP
10.3 Network Login Through Telnet
10.4 Secure Communication with SSH
10.5 Serving Web Content Through HTTP
10.6 Dynamic Configuration Through DHCP
Chapter 11. Debugging Tools
11.1 Debugging Applications with gdb
11.2 Tracing
11.3 Performance Analysis
11.4 Memory Debugging
11.5 A Word on Hardware Tools
Appendix A. Worksheet
A.1 Project Identification
A.2 Hardware Summary
A.3 Development Tools
A.4 Kernel
A.5 Root filesystem
A.6 Storage Device Organization
A.7 Bootloader Configuration and Use
A.8 Networking services
A.9 Custom Project Software
A.10 Debug Notes
A.11 Additional Notes
A.12 Embedded Linux Systems Worksheet
Appendix B. Resources
B.1 Online
B.2 Books
B.3 Publications
B.4 Organizations
B.5 Linux and Open-Source-Oriented Hardware Projects
Appendix C. Important Licenses and Notices
C.1 Exclusion of User-Space Applications from Kernel's GPL
C.2 Notices on Binary Kernel Modules
C.3 Legal Clarifications About the Kernel by Linus Torvalds
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