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In this lab, you are required to complete a virtual memory implementation, including how to get a physical frame for a virtual page from the IPT if it exists there, how to put a physical frame/virtual page entry into TLB, and how to implement a least recently used page replacement algorithm. A software-managed TLB is implemented in Nachos. There…
We have two exercises in this experiment. 1. In this exercise, we will conduct the following steps to understand race condition problem in Nachos. 1) Change your working directory to lab2 by typing cd ~/nachos-3.4/lab2 2) Read the Nachos thread test program threadtest.cc carefully. There is a shared variable named value (initially zero). There a…