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Kernel Development Roadmap

The development roadmap focuses on three main areas: improving memory management, transitioning to a more advanced filesystem, and implementing a graphical user interface (GUI).

1. Memory Managment Imporvements

The current memory management implementation is very basic, which is why I want to improve it in the future.

Objectives:

  • Implement a More Efficient malloc and Memory Allocation Mechanism: Enhance the current memory allocation system to be more efficient and reduce fragmentation. This includes implementing a better malloc, free, and possibly realloc functions that can handle memory more gracefully.

  • Introduce Slab Allocation: For kernel objects of fixed sizes, implement slab allocation to improve memory usage efficiency and speed up memory allocation and deallocation.

2. Transition to a More Advanced Filesystem

The current file system is FAT16 but it has a lot of downsides, which is why I want to switch to a better one in the future.

Objectives:

  • Evaluate Potential Filesystem Candidates: Consider filesystems like FAT32, ext2, or a custom filesystem. Each has its benefits, with FAT32 providing a straightforward upgrade path from FAT16, and ext2 offering features more aligned with UNIX-like systems.

  • Implement Long File Name Support: Regardless of the chosen filesystem, ensure support for long file names, improving upon the limitations of the FAT16 filesystem.

3. Graphical User Interface (GUI)

The current kernel is terminal based but it would be cool to have a UI in the future.

Objectives:

  • Frame Buffer Management: Implement a basic frame buffer management system for drawing pixels to the screen, laying the groundwork for more complex GUI elements.

  • Windowing System: Develop a windowing system that supports moving, resizing, and interacting with multiple windows. This includes managing window states and rendering window contents efficiently.

  • Input Handling: Integrate keyboard and mouse input, allowing for user interaction with the GUI. This involves managing input devices at a low level and translating input events into actions within the GUI.

  • Basic GUI Applications: Develop basic GUI applications such as a file explorer, text editor, and terminal emulator. These applications will serve as both useful tools and examples for further application development.