MIT 6.828: JOS Lab Lab 5: File System, Spawn and Shell Questions Answer the following questions: Do you have to do anything else to ensure that this I/O privilege setting is saved and restored properly when you subsequently switch from one environment to another? Why? Nothing else needs

MIT 6.828: JOS Lab Lab 4: Preemptive Multitasking Part A: Multiprocessor Support and Cooperative Multitasking Questions Answer the following questions: Compare kern/mpentry.S side by side with boot/boot.S. Bearing in mind that kern/mpentry.S is compiled and linked to run above KERNBASE just like everything

MIT 6.828: JOS Lab Lab 3 Part A: User Environments and Exception Handling Questions Answer the following questions: What is the purpose of having an individual handler function for each exception/interrupt? (i.e., if all exceptions/interrupts were delivered to the same handler, what feature that exists in

MIT 6.828: JOS Lab Lab 2 Questions Assuming that the following JOS kernel code is correct, what type should variable x have, uintptr_t or physaddr_t? mystery_t x; char* value = return_a_pointer(); *value = 10; x = (mystery_t) value; The type of x will have to be

MIT 6.828: JOS Lab Lab 1 Part 2: The Bootloader Exercise 3: Take a look at the lab tools guide, especially the section on GDB commands. Even if you're familiar with GDB, this includes some esoteric GDB commands that are useful for OS work. Set a breakpoint at address