KU_MMU

Implementation of Memory Management Unit at application level
Assignment in Konkuk Univ. Operating System class 2021 by Prof. Hyun-Wook Jin

Introduction

Due to the requirements of assignment, every variables and functions are written in single file: ku_mmu.h. Which is a huge violation of modern software architecture :(

Application-level implementation of Memory Management Unit.

Converts given virtual address with PID to physical address in input.txt

• 8-bit addressing: 256B of address space
• Page size: 4B
• PDE/PTE: 1B

Data Structures

PCB List

Memory Free list

Init status

Mapped memory

Swap out

• Swap space has free memory (default)

• Swap space is full

Run

$ ku_cpu <input_file> <pmem_size> <swap_size>