Fool OS

Welcome to my little buggy x86 toy operating system. This is a never ending work in progress, motivated solely by my bottomless curiosity.

Be warned that most features are unstable and in development.

Features v0.2

• Booting with Multiboot (Spec. 0.6.96) (e.g. GRUB 2)
• Rudimentary POSIX compilance
• 32-bit protected mode
• Logging to COM1
• Parsing ACPI (incomplete) and Multiboot Data
• Symmetrical Multiprocessing with LAPIC and IOAPIC
• CMOS Clock/ PIT Timer / APIC Timer
• Seperate GDT and IVT for each CPU
• Paging / Virtual Memory
• Ext2 RAM Disk
• Pipes
• Standard streams (stdin/stdout/stderr)
• PS2 Mouse/Keyboard support
• Multi-threading & Multitasking
• Kernel and Userspace Tasks
• CPU Private Memory
• Support for ELF binaries.
• IRQ Handling Framework
• Finegrained Spinlocks
• Superfast Task Scheduler
• PCI Bus scanning
• Ethernet E1000 PCI Driver
• VESA Framebuffer with fallback to a text-only terminal
• C-library for Userspace (Newlib)
• Simple Network Stack (ARP, IPv4, ICMP, UDP)
• Compositing Window Manager

Userspace Ports and Programs

• Simple Fool-Shell
• Snake Game
• Newlib C library
• ncurses
• ncurses-examples
• vim
• zlib
• libpng
• many more to come…

Screenshots

Booting the Kernel in frame-buffer mode

Shell in text mode.

click here for full-resolution version of pic above.
My Compositing Window Manager in action. As you see Fool-OS ships with vim and some little ncurses-examples as well as a Brainfuck interpreter.

Videos

Demonstrating the Kernel’s piping functionality, inside the shell.

Some random ncurses programs (from ncurses-examples) running inside Terminal Emulators.

Git Repository

• Fool OS - Git Repository

Disclaimer

THIS IS A NEVER ENDING WORK IN PROGRESS.

This is a simple and useless "operating system", with a very basic 
set of features. It is the fruit of my fundamental explorations of 
the x86 architecture and operating system design.

Copyright 2014,2015,2018 M.Idziorek <m.i@gmx.at>, unless stated 
otherwise or forgotten.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.