This is a course project for Operating System Principle in Sun Yat Sen University. I developed a toy operating system that supporting graphic user interface and multi-task schedule.
- memory.c: Memory management
- graphic.c, sheet.c: Graphic user interface
- timer.c: Task timer management
- mouse.c, keyboard.c: Mouse and keyboard interruption handler
- mtask.c, fifo.c: Task management
- dtsys.c: GDT, LDT and IDT
- naskfunc.nas: Assembly language functions
- osmain.c: OS entrance file
- howos.asm, mbrnew.asm: boot loader
Please run make then we get howos.sys, you need to make a rom image using this file. Then run it on VMWare or a real computer.
