Kernel Initialization (kernel/init)

Copy boot info snapshot from bootloader

Zero BSS section (bss_start to end)

Zero g_SysInfo global system info structure

MEM_Initialize() — Set up PMM and VMM using the memory map

TTY_Initialize() — Initialize terminal output

SYS_Initialize() — Set up system info structure

CPU_Initialize() — Detect CPU features

HAL_Initialize() — Set up GDT, TSS, IDT, ISR stubs, IRQ handlers, PS/2 controller, PIT timer, VGA text mode, syscall handler (int 0x80)

CmdLine_Initialize() — Parse kernel command-line arguments

Crypto_SelfTest() — Verify MD5 and SHA1 correctness

FS_Initialize() — Initialize devfs, scan disks for partitions

Init_MountRoot() — Mount root filesystem from boot partition

VFS_SelfTest() — Verify VFS operations

Keyboard_Initialize() — Set up keyboard input handler

KMOD_Initialize() — Initialize kernel module loader

SYS_Finalize() — Finalize system info with boot parameters

Process_SelfTest() — Verify process creation and lifecycle

ELF_LoadProcess("/usr/bin/selftest") — Load first userspace process

Context switch to userspace (selftest runs, then shell)