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README.md

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Christian's Operating System

Includes the kernel and userspace libraries/applications.

Building

make -C kernel
cd build
sh build-initrd.sh
sh build-limine.sh

Run make in the /kernel directory. This should produce the file kernel/dist/vmkernel, which can be run by any Stivale2-compliant bootloader. Run sh build-initrd in /build to generate an initrd.img to pass to the bootloader.

Kernel Features

  • Higher half kernel
  • Amd64 architecture
  • Virtual File System
  • FAT32 filesystem driver
  • Ext2 filesystem driver
  • Multithreading with a pre-emptive scheduler
  • User mode (ring 3)
  • Syscalls
  • ELF loading
  • Module loading
  • DevFS filesystem
  • AHCI disk driver
  • RTC driver
  • PS/2 keyboard driver
  • UNIX Signals
  • UNIX Sockets
  • Pseudoterminals through /dev/ptmx and /dev/pts filesystem

Userland Features

  • Respectable libc
  • Basic shell
  • Coreutils (ls, pwd, cat, date, rm, mkdir, grep, ...)
  • Ports of GNU Bash, Lua, Ed, etc
  • Framebuffer and VGA terminal supporting ANSI