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Course Outline
1. Introduction to the Linux Kernel
- Foundations of Embedded Linux
- Understanding the Linux kernel architecture
- Distinguishing between user space and kernel space
- Core responsibilities of the kernel
- The standard kernel development process
- Survey of compatible embedded platforms
2. Establishing the Development Environment
- Configuring the development workstation
- Key concepts in cross-compilation
- Installing essential development tools
- Setting up the BeagleBone Black development board
- Configuring the serial console
- Initiating the boot process on the target device
3. Acquiring and Interpreting Kernel Source Code
- Structure of the Linux kernel source tree
- Differences between stable and long-term support (LTS) kernels
- Procures kernel source code
- Navigating the source code hierarchy
- Reviewing official kernel documentation
- Strategies for managing kernel versions
4. Kernel Configuration, Compilation, and Booting
- Customizing the kernel via menuconfig
- Selecting appropriate kernel features
- Executing cross-compilation tasks
- Generating kernel images
- Deploying kernel modules
- Understanding the bootloader mechanism
- Launching a custom-built kernel
5. Device Tree Essentials
- The role and purpose of the Device Tree
- Working with Device Tree Source (DTS) files
- Understanding Device Tree Blobs (DTB)
- Concepts in hardware description
- Editing Device Tree configurations
- Compiling and deploying Device Trees
6. Linux Kernel Modules
- Architecture of kernel modules
- Compiling loadable kernel modules
- Processes for loading and unloading modules
- Handling module parameters
- Managing module dependencies
- Interacting with active kernel modules
- Techniques for debugging modules
7. Linux Kernel Debugging Techniques
- Implementing kernel logs with printk()
- Utilizing dmesg for diagnostics
- Applying dynamic debugging methods
- Analyzing kernel panics
- Interpreting Oops messages
- Debugging sessions with GDB
- Overview of basic performance tracing utilities
8. Character Device Drivers
- The Linux device driver model
- Understanding character devices
- Registering drivers with the kernel
- Implementing file operations
- Handling read and write operations
- Using the IOCTL interface
- Memory management considerations
- Proper driver cleanup procedures
9. Driver Integration and Hardware Interaction
- Working with platform devices and drivers
- GPIO programming techniques
- Handling hardware interrupts
- Utilizing timers and deferred work queues
- Accessing hardware registers directly
- Managing memory-mapped I/O
10. Version Control with Git
- Core Git commands and concepts
- Managing kernel source repositories
- Strategies for branching and merging
- Generating patches
- Conducting code reviews
- Collaborative practices in kernel development
11. Practical Kernel Development Labs
- Creating a customized kernel configuration
- Building and deploying the kernel image
- Developing a simple kernel module
- Implementing a basic character device driver
- Modifying Device Tree files for specific needs
- Debugging kernel issues on the BeagleBone Black
12. Best Practices and Course Conclusion
- Adhering to kernel coding standards
- Writing maintainable and robust drivers
- Avoiding common development pitfalls
- Accessing kernel documentation resources
- Understanding the open-source contribution process
- Recap of fundamental concepts
- Q&A session
- Recommended next steps for kernel development careers
Requirements
A foundational understanding of GNU/Linux system operations 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.
