ROADMAP.md

Roadmap

Toolchain

• Build x86_64 without redzone in libgcc
• Contribute patch to crosstool-ng to make this easier

Build system

• Switch from cmake to GNU make
• Make kernel image build without root
• Allow setting per-target debug/release

Bootloader

• Load kernel into RAM via BIOS
• Enter protected mode
• Run first C code
• VGA debug output
• ELF parser and loader
• Stivale2 parser and loader
• Enter long mode
• Relocate and boot kernel

Kernel

• Get basic text output working (maybe via stivale2 console at first)
• Write a VGA text mode driver
• Write a serial debug driver
• Write a (PS/2) keyboard driver
• Write a simple debug shell
• Write an ext2 filesystem
• Put fundamental microkernel abstractions in place
  • Interrupts
  • System timer
  • Memory protection
  • Processes
    • Scheduling
    • ELF loading
  • Message passing
  • Move drivers out of the kernel