a simple OS for aarch64(qemu virt board)

• multiprocessor
• preemptive multi tasking
• process scheduler
  • round-robin
• GICv3 interrupt controller
• block device
  • virtio-blk
• file system
  • ext2
• UNIX-like syscalls
• isolation of address space by MMU
  • multiple address space
• command-line interface(sh)
• some core utils
  • ls, cat, echo etc...

• aarch64-linux-gnu-toolchain
• qemu-system-aarch64(>= 5.0.0)

$ make qemu

specify the number of cores (default ncore=4):

$ make qemu NCPU=<ncore>

MIT License