Projects

Operating System from Scratch

4th Place

A Unix-like OS built entirely in C and RISC-V Assembly, featuring virtual memory, preemptive multitasking, and a custom filesystem.

Demo

Kernel Architecture

Click on any component to view its implementation

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Key Features

                

                    

                        
Sv39 Virtual Memory

                        
Three-level page table with demand paging and page fault handling

                    

                    

                        
Preemptive Multitasking

                        
Timer-interrupt driven scheduler with process isolation

                    

                    

                        
KTFS Filesystem

                        
Block-based filesystem with read-write support and caching

                    

                    

                        
File Integrity Monitor

                        
Kernel-level security detecting unauthorized file modifications

                    

                

            


            
            

                
Built With

                

                    C
                    RISC-V Assembly
                    QEMU
                    GDB
                    Make
                

            

        

        © Neil Rayu