https://github.com/iomonad/kfs

x86 Kernel From Scratch: From basic bootable kernel, GDT & IDT implementation to advanced ELF memory parser & complete kernel/userspace syscall mechanism.
https://github.com/iomonad/kfs

elf-memory-parser kernel kernel-from-scratch kfs

Last synced: about 2 months ago
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x86 Kernel From Scratch: From basic bootable kernel, GDT & IDT implementation to advanced ELF memory parser & complete kernel/userspace syscall mechanism.

• Host: GitHub
• URL: https://github.com/iomonad/kfs
• Owner: iomonad
• License: mit
• Created: 2020-09-28T07:24:34.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2021-11-25T09:21:40.000Z (about 3 years ago)
• Last Synced: 2023-03-01T04:32:45.127Z (almost 2 years ago)
• Topics: elf-memory-parser, kernel, kernel-from-scratch, kfs
• Language: Assembly
• Homepage:
• Size: 4.61 MB
• Stars: 3
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# KFS ![Kernel Build CI](https://github.com/iomonad/KFS/workflows/Kernel%20Build%20CI/badge.svg?branch=master)

Kernel From Scratch: From basic bootable kernel to advanced ELF memory parser & complete userspace implementation.

> Listing of project quest coverage

## KFS-1

- A kernel you can boot viaGRUB

- An ASM bootable base

- A basic kernel library, with basics functions and types

- Some basic code to print some stuff on the screen

- A basic "Hello world" kernel

## KFS-2

- GDT (Global Descriptor Table) Implementation

 -> Creation / Fill / Linkage

## KFS-3

- A complete memory code structure, with pagination handling

- Read and Write rights on memory

- User space memory and Kernel space memory

- Physical and Virtual memory

- Code helpers for physical memory, likekmalloc,kfree,ksize,kbrk

- Code helpers for virtual memory, likevmalloc,vfree,vsize,vbrk

- Kernel Panic handling