Introduction

Info

Please read the general instructions first.

The assignment is due 17:59 on 21 Apr 2025. Late submissions will lose 1 mark per hour.

If you discover any errors or need any clarification or have any question, please create an issue here.

Part A (35 marks)

Note

Please accept the assignment on GitHub Classroom first. The invitation link is available on Canvas.

Task 0: Cloud-Init

Task 1: PCI Device

Question 1 (2 marks)

Take a screenshot of the lspci command and its output that shows the name of the slot where the device resides. Highlight the entry relevant to the EDU device device you are emulating.

Please adjust the terminal width to 80-120 characters when you take the screenshot, so that the screenshot is easily readable.

Question 2 (4 marks)

Why can't we read from the file resource0?

Question 3 (5 marks)

Please write a C program that operates the resource0 of the PCI device by mapping it into the process's address space.

Task 2: Character Device Driver and ioctl

Question 4 (4 marks)

Please finish the implementation of the edu_ioctl function in the file: task2/edu-ioctl/edu.c

Question 5 (2 marks)

Please write a C program that interacts with the character device driver using ioctl.

Task 3: Interrupt handler

Question 6 (18 marks)

Please finish the implementation under the directory task3/edu-irq/ in the repository.

Submission Guidelines

Please accept the assignment on GitHub Classroom first. The invitation link is available on Canvas. Then, proceed to complete the tasks and push your work to GitHub accordingly.

Refer to the submission guidelines in Assignment 1 for the remaining instructions.

Part B (15 marks)

Please complete the quiz Assignment 4 (Part B) on Canvas.