* Boot and jump to C [COMPLETED] -- FILES: start.asm, main.c, include/sys/mmap.h, include/sys/robsys.h
* Interrupt Handling [COMPLETED] -- FILES: ivt.c, lib/string.c
* Basic input and output (UART) [COMPLETED] -- FILES: driver/uart.c, lib/stdio.c
* Boot and jump to C [COMPLETED] -- FILES: start.asm, main.c, include/sys/mmap.h, include/sys/robsys.h
* Interrupt Handling [COMPLETED] -- FILES: ivt.c, lib/string.c
* Basic input and output (UART) [COMPLETED] -- FILES: driver/uart.c, lib/stdio.c