osdev-notes/Welcome.md

These are my personal notes on OS development, part of my Gila microkernel project.

Table of Contents

• Physical & Virtual Memory
  • Physical & Virtual Memory#Physical Memory
  • Physical & Virtual Memory#Virtual Memory & Pages
    • Physical & Virtual Memory#Pages
    • Physical & Virtual Memory#32-Bit Paging
      • Physical & Virtual Memory#Address Translation Example
      • Physical & Virtual Memory#32-Bit PAE
    • Physical & Virtual Memory#64-Bit Paging
• Registers
  • Registers#General Purpose Registers
  • Registers#Pointer Registers
  • Registers#Segment Registers
  • Registers#EFLAGS Register
  • Registers#Control Registers
    • Registers#CR0
    • Registers#CR2
    • Registers#CR3
    • Registers#CR4
    • Registers#CR8
• Rings & Privilege Levels
  • Rings & Privilege Levels#Process vs. Kernel
  • Rings & Privilege Levels#Context Switching
  • Rings & Privilege Levels#Interrupts & System Calls