EtherOS

Operating system with UI based on Chromium.

Steps to complete

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1. Initial
   • Setup limine (or strivale(2)) boot protocol
   • Base entry point
2. System tables
   • GDT (Global Descriptors Table)
   • LDT (Local Descriptors Table)
   • Basic memory impl
   • Basic memory allocator
3. Interrupts
   • IDT (Interrupts Descriptors Table)
   • ISR (Interrupt Service Routine)
   • Basic CPU exceptions
4. Device interrupts
   • IRQ (Interrupt Requests)
   • PIC (Programmable Interrupt Controller)
   • Basic IRQ handlers
5. Device drivers
   • PS/2 keyboard driver
   • PIT
6. Memory
   • Virtual memory
   • Paging
   • Slab Allocator
7. Multitasking
   • Basic task manager
   • Multitasking and context switching
   • Process system calls
8. Filesystem
   • ATA driver
   • Simple FS implementation (like FAT or self-made)
   • VFS layer implementation
9. Network
   • RTL8139 driver
   • TCP/IP stack
   • Basic protocols (ARP, ICMP)
10. User space
    • User space runtime environment
    • Basic C lib implementation
    • Kernel system calls
11. GLibC
    • Adapt glibc for OS
    • Missing system calls implementation
    • Integration with OS
12. Chromium
    • System libraries implementation
    • Building scripts adaptation
    • Port render backend
    • Port utilities
    • Port main engine part
13. Additional
    • ACPI
    • HPET (another timer)
    • USB
    • Security (ASLR, DEP)
    • Multiprocessor support (SMP)
    • PCI
    • Plug-and-Play
    • 802.11 (WiFi)