PrimusOS

A simple bare-bones 32-bit Ring 0 operating system written in Assembly x86 and C for educational purposes.
Inspired by Terry A. Davis (in memoriam).

Dependencies for building

xorriso
mtools

Bootloader "hello world" example

Compile bootloader

nasm -o bootloader.bin bootloader.asm

Testing with QEmu

qemu-system-x86_64 bootloader.bin

Compiling the kernel example

gcc -c kernel.c -o kernel -ffreestanding -m32

Generating the ISO image

make check_dir make clean
make primus-os.iso

About pull requests

PLEASE, comment on the related issue BEFORE sending a pull request! Thanks. Contributions and improvements are always welcome.

TODO

• Implement unit tests and bechmarks (math functions)
  
• Implement memory management
  
• Add file system and disk partitioning
  
• Add multithreading
  
• Implement calculator (parsing of command-line tokens)
  
• Implement basic text editor
  
• Create documentation
  
• Add games (tic-tac-toe, chess, etc.)
  
• Implement other VGA graphic modes
  
• Implement complex number library in C++
  
• Implement linear algebra library, scientific computing, etc.