ShadokOS

Shadokos is a UNIX-like kernel for i386 written entirely in Zig

features

Terminal

• [X] VGA text mode driver
• [X] PS2 driver
• [X] mostly POSIX I/O interface with termios configuration
• [X] vt100 escape codes
• [X] virtual scroll
• [X] themes from gogh
• [ ] signal distribution

Memory system

• [X] Higher half kernel
• [X] Buddy allocators for page frame allocation
• [X] on-page-fault mapping
• [X] fast virtual space allocation using double-key AVLs
• [X] virtual page allocation with multiple strategies
• [X] multiple object allocators
  • [X] slab allocator
  • [X] multipool allocator (based on slab allocator)
  • [X] page grained allocator
• [X] allocation fuzzing using multiple strategies
• [ ] copy on write

Multitasking

• [X] task switching
• [X] basic scheduler
• [X] virtual space switching
• [X] process table
• [X] signal delivery system
• [ ] signal execution
• [ ] advanced scheduler
• [ ] syscall table

Filesystem

• [ ] IDE driver
• [ ] file mapping
• [ ] ext2 driver

syscall api

kernel modules

ELF execution

Testing

• [X] Serial port interface
• [X] kernel mode CLI
• [X] memory system CI
• [X] build CI
• [X] linter CI