A 64-bit x86 operating system written in C++, which boots from UEFI

• ✔️ UEFI bootloader, with splash bitmap (🏠 home-made bitmap parser) and elf loader
• ✔️ Paging & heap (physical and virtual memory)
• ✔️ Interrupts :
  • Exceptions
  • IO APIC, keyboard, mouse
  • APIC
• ✔️ PCI
• ✔️ AHCI driver to read SATA hard disks
• ✔️ Symmetric Multiprocessing (SMP)
• ✔️ I/O
• ✔️ Userspace with syscalls
• ✔️ Task handler with scheduler
• ✔️ Get CPU info
• ✔️ File system : KFS
• ✔️ ELF reader

• ❌ Beautiful GUI

• To issue a syscall, use the intrerrupt 0x80 (in assembly int 80h or int 0x80)