HelloOS

helloos

Simple home made OS for x86.

Whats working?

• Memory allocator
• Multiboot loader support
• Text mode video driver
• ATA driver
• Keyboard driver
• Serial driver
• FAT32 filesystem

Dependecies

Ubuntu:

apt install qemu-system-x86 gcc-multilib nasm

Fedora:

dnf install qemu glibc-devel nasm
# and something else?

Arch:

pacman -Syu qemu-full base-devel nasm mtools dosfstools

MacOS:

brew install x86_64-elf-gcc nasm qemu-system-x86
# and something else?

Build

git clone https://github.com/kotleni/helloos
cd helloos
mkdir build

make floppy
make base

Run on qemu

qemu-system-x86_64 -m 512 -drive file=build/floppy.img,index=0,if=ide,format=raw -kernel build/kernel

** Floppy driver using as root fs drive.