Part I. Usage

Table of Contents

1. Overview

2. Getting Started

2.1. Using hyperterm as a serial console

2.2. Using minicom as a serial console

3. Command Line Interface

3.1. Command line editing

3.2. Simple commands

3.3. Conditional execution

3.4. Quoting

3.5. Shell variables

3.5.1. Simple variables

3.5.2. Non volatile variables

3.5.3. Positional variables

3.5.4. Special variables

3.5.5. Accessing variables

3.5.6. Variables with special meanings

3.6. Filesystem navigation

3.7. ABLE help system

3.8. Shell script

4. Setting Options

5. ABLE Console

5.1. Console drivers

5.2. Setting parameters on serial drivers

5.3. Configuring the console system

5.4. Setting the logging level

5.5. Practical use of the console system

5.5.1. Basic serial debug console

5.5.2. No console at all

5.5.3. Displaying a logo and boot abort

6. Starting an Operating System Manually

6.1. Data sources

6.2. Alias sources

6.3. Network sources

6.4. XModem source

6.5. Navigating a filesystem

6.6. How ABLE identifies files.

6.6.1. ABLE shell script

6.6.2. ABLE executable

6.6.3. ARM LINUX® zImage

6.6.4. ELF and AOUT files

6.6.5. UNIX® Compress files

6.6.6. Gzip files

6.6.7. Images, text and data files

6.6.8. Motorola S-Record

6.7. Starting an Operating System

6.7.1. The "setargs, load and boot" method

6.7.2. The "command line" method

7. Starting an Operating System Automatically

8. Networking

8.1. Finding a network interface

8.2. Configuring a network interface

8.3. Using the network to obtain files

9. Upgrading

9.1. Obtaining Upgrades

9.2. Loading the Upgrade

9.3. Running the upgrade