Track

Firmware & Boot Process

Master the boot process from power-on to OS load. Learn BIOS interrupts, UEFI programming, boot sector development, real and protected mode, and interrupt handlers.

~2160 Minutes 48 Challenges 6 Subtracks

Deep Dive

What Happens When You Press the Power Button

Between the button press and the OS logo lies a sequence of hardware initialization that most programmers never see. It is where a pile of silicon becomes a computer, and it is more fragile than you think.

8 min read·Read article →

Subtracks (6)

The Boot Process — Theory

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Understand what actually happens from power-on to your OS. Learn about the BIOS/UEFI, reset vector, memory map, system clock, secure boot, initramfs, and chainloading.

8 tasks

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