NimbleOS

Nimble
adjective
Quick and light in movement in action; agile

NimbleOS, is a work in progress operating system made from scratch using C++, it is an attempt to understand the inner workings of an operating system, by making one from scratch.

Progress

• Interrupts
• Graphics
  • Print strings to the screen
  • Window Management
• Custom Testing Framework (inspired by GTest)
• Serial Output
• Robust Logger
• Use APIC instead of PIC
• Keyboard Support
• Memory Management
  • Physical Memory Manager (Bitmap for now)
  • Virtual Memory Manager (Bump Allocator for now)
  • Heap Allocation (malloc and friends)
    • Implement Block Coalescing
• Stack Trace (with demangling)!
• Kernel STL
  • Vector
  • Linked List
  • Spin Mutex
• Scheduler
• Virtual File System
  • Ext2
• NVMe Driver
• Basic Shell
• Ports
  • Doom
  • GCC
  • Cargo
  • Vim

Building

Currently, this project can only be built using clang++ with version >= 16.0.6.

make <run|build> MODE=<debug|test|release>

Invoking make, will default to

make run MODE=debug