Implement the interrupt handling system
What's Changed
- grub: add generation depending on env variables by @edrflt in #54
- Hardware Abstraction Layer: initial abstraction of intel x86 specific code by @edrflt in #55
- interrupts: initial by @edrflt in #57
- syscalls: implement basic syscall architecture by @edrflt in #60
- allocator: implement GlobalAllocator by @edrflt in #61
- syscalls: add read syscall and testing function by @edrflt in #62
Full Changelog: kfs-3...kfs-4