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Device Drivers & Interrupts: Firmware & Boot Process | LowLevelCraft

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Firmware & Boot Process
Device Drivers & Interrupts

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Device Drivers & Interrupts

Master interrupt handlers and device driver fundamentals. Write ISRs for hardware events and understand the interrupt mechanism.

~360 Minutes 8 Challenges

write a simple keyboard driver

About this subtrack

Device Drivers and Interrupts wire PIC, PIT, keyboard, serial, and related early drivers with ISR discipline.

Tasks (8)

Implement Simple Interrupt Handler for Timer or Keyboard

Program the 8259 PIC for Interrupt Management

Program the PIT for Precise Timing

Write a PS/2 Keyboard Interrupt Service Routine

Implement Serial Port Output with UART 16550

Program the DMA Controller for Memory Transfers

Program VGA Registers for Graphics Modes

Access PCI Configuration Space