Topics

Here is a list of all topics with brief descriptions:

LAPIC / IOAPIC	Local and I/O APIC initialisation, IPI dispatch, and LAPIC timer
SMP Boot and Per-CPU State	ACPI MADT parsing, AP boot sequence, and per-CPU cpu_t management
Ticket Spinlock	FIFO ticket spinlock with IRQ-safe variants
Block Layer	A simple, cached block layer that abstracts the underlying ATA driver
VGA Text Console (low-level)	Direct VGA text-mode framebuffer driver used before VT initialises
PCI	PCI bus enumeration and configuration space access
TTY Line Discipline	Kernel TTY: line discipline, canonical/raw input, termios, and ioctl
VT/ANSI Terminal Core	ANSI/VT100 escape sequence parser and VGA-backed terminal renderer
IPI – Inter-Processor Interrupts	TLB shootdown and panic-halt IPI infrastructure
Kernel Heap (kmalloc/kfree)	Boundary-tag kernel heap allocator at HEAP_START (0xFFFF820000000000)
Syscall Interface	Linux-compatible syscall numbers and kernel syscall initialisation
Ring-3 Entry and Userspace Helpers	Functions to transfer execution to ring-3 and set up userspace argument arrays