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.