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by lightandlight
95 days ago
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Good to see more hobby OS projects. I'm almost due to start another round of learning this stuff. What have been the most helpful reference materials so far? What's the most memorable challenge you overcame? What's the coolest or most surprising thing you learned? |
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Most helpful references: Intel Software Developer Manuals for understanding x86 architecture osdev.org wiki for the basics (GDT, IDT, memory management) Reading source code of other hobby OS projects to understand different approaches James Molloy's kernel tutorial helped me get started
Most memorable challenge: Getting the window manager working with proper overlapping windows and mouse interaction. The z-ordering and dirty rectangle system took me a while to get right, windows kept rendering behind each other or the mouse would interact with the wrong window. Debugging graphics issues without a working debugger in your own OS is... an experience haha.
Most surprising thing I learned: How much modern OSes do that we completely take for granted. Even something simple like moving a window smoothly requires double buffering, proper
careful memory management. Made me appreciate every pixel on my screen.
What kind of OS project are you planning?