petOS

This live repo contains the code of my petOS. I don't intend to make this OS anything useful, the whole intention behind this project is to learn OS Development.

As I keep on learning, I will keep updating the README page with necessary code. I am also keeping track of the dev logs, refer to dev-log for more detailed learning process.

Tools I am using

• NASM
• QEMU
• Vim
• Cross-compiler

Progress

• Lauched from boot sector.
• Switched to TTY mode and printed some characters.
• Loops and functions.
• Learned about segmentations.
• Implementing bare memory-management.
• Implementing stack.
• Switching from Real to Protected mode.
• Print a welcome message in PM.
• Cross compiler.
• Finally jumping to higher realm i.e. CPP.
• Understand about interrupts, externs and %include.
• Write a kernel.

Resources

• osdev.wiki
• osdever.net