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Course Outline
1. Introduction to the Linux Kernel
- Foundations of Embedded Linux
- Structure of the Linux kernel
- Distinguishing between user space and kernel space
- Core responsibilities of the kernel
- The kernel development lifecycle
- Overview of compatible embedded platforms
2. Establishing the Development Environment
- Configuring the development workstation
- Concepts of cross-compilation
- Installing essential development utilities
- Setting up the BeagleBone Black target board
- Configuring the serial console
- Initiating the target device boot process
3. Acquiring and Analyzing Kernel Source Code
- The Linux kernel source hierarchy
- Differences between stable and long-term support releases
- Retrieving kernel source repositories
- Navigating the source code organization
- Accessing kernel documentation
- Version control management
4. Configuration, Compilation, and Boot Process
- Configuring the kernel via menuconfig
- Choosing specific kernel capabilities
- Cross-compiling the kernel code
- Generating kernel images
- Installing kernel modules
- Overview of bootloader mechanisms
- Launching a customized kernel
5. Essentials of the Device Tree
- The role of the Device Tree
- Device Tree Source (DTS) file structure
- Device Tree Blob (DTB) format
- Principles of hardware description
- Editing Device Tree definitions
- Compilation and deployment of Device Trees
6. Managing Linux Kernel Modules
- Architectural design of kernel modules
- Compiling loadable kernel modules
- Procedures for loading and unloading modules
- Configuring module parameters
- Handling module dependencies
- Interaction with kernel modules
- Techniques for module debugging
7. Debugging the Linux Kernel
- Implementing kernel logs with printk()
- Utilizing the dmesg utility
- Enabling dynamic debugging
- Analyzing kernel panics
- Interpreting Oops reports
- Debugging sessions with GDB
- Introduction to performance tracing utilities
8. Developing Character Device Drivers
- The Linux device driver model
- Understanding character devices
- Process for registering drivers
- Implementing file operations
- Handling read and write requests
- Utilizing the IOCTL interface
- Memory management strategies
- Driver termination and cleanup
9. Driver Integration and Direct Hardware Access
- Working with platform devices and drivers
- GPIO programming techniques
- Managing interrupt handlers
- Implementing timers and deferred work queues
- Direct access to hardware registers
- Handling memory-mapped I/O
10. Version Control using Git
- Core Git concepts
- Managing kernel code repositories
- Branching strategies and merging
- Generating patches
- Code review processes
- Collaborative kernel development workflows
11. Practical Kernel Development Labs
- Configuring a bespoke kernel
- Building and deploying the kernel image
- Developing a basic kernel module
- Creating a fundamental character device driver
- Adjusting Device Tree configurations
- Debugging kernel issues on the BeagleBone Black
12. Best Practices and Course Wrap-Up
- Adhering to kernel coding standards
- Writing sustainable and maintainable drivers
- Avoiding common development errors
- Locating kernel documentation resources
- Navigating open-source contribution paths
- Recap of core concepts
- Open forum for questions and answers
- Recommended next steps for Linux kernel engineers
Requirements
A fundamental understanding of operating within a GNU/Linux environment is required.
14 Hours
Testimonials (2)
The knowledge of the trainer. He was able to answer all of my questions, even questions about our platform. He also continued to help until we all understood the material.
James O'Donnell - Tennant Company
Course - Embedded Linux Kernel and Driver Development
I liked the hands-on nature of it.
