os

A toy 32-bit operating system for x86. No shell, no filesystem, no scheduling; just an excercise in x86 with a spinning teapot.

Features

• 32-bit
• 320x200 8-bit color
• PS/2 keyboard and mouse

Quick Start

Requirements:

• GNU coreutils (make, cat, dd)
• GNU gcc for i386 (i386-elf-gcc, i386-elf-ld)
• NASM (nasm)
• QEMU (qemu-system-i386)

$ make run

Resources

Primary information

• OSDev wiki: https://wiki.osdev.org/
• Writing a Simple Operating System - from Scratch: https://www.cs.bham.ac.uk/~exr/lectures/opsys/10_11/lectures/os-dev.pdf
• Carlos Fenollosa's "os-tutorial": https://github.com/cfenollosa/os-tutorial
• Intel x86 Manuals: https://www.intel.com/content/www/us/en/developer/articles/technical/intel-sdm.html
• The little book about OS development: https://littleosbook.github.io/
• Roll your own toy UNIX-clone OS: http://jamesmolloy.co.uk/tutorial_html

Notable YouTube videos/playlists

• jdh - tetris-os: https://www.youtube.com/watch?v=FaILnmUYS_U
• Andreas Kling - SerenityOS: https://www.youtube.com/playlist?list=PLMOpZvQB55bczV5_3DxTLDm37v_F6iCKA
• Poncho -
  • OS Dev: https://www.youtube.com/playlist?list=PLxN4E629pPnKKqYsNVXpmCza8l0Jb6l8-
  • OS Dev - S2: https://www.youtube.com/playlist?list=PLxN4E629pPnJxCQCLy7E0SQY_zuumOVyZ
• nanobyte - Building an OS: https://www.youtube.com/playlist?list=PLFjM7v6KGMpiH2G-kT781ByCNC_0pKpPN
• Queso Fuego - Ameateur Makes an OS: https://www.youtube.com/playlist?list=PLT7NbkyNWaqajsw8Xh7SP9KJwjfpP8TNX