Covers virtual addressing, page tables, two-level page table structure, process address space, kernel mappings, memory allocation, and free list management.
Explains context switching mechanism in xv6: scheduler loop, sched function, context structure, swtch assembly function, and kernel stack management during process switches.
Describes trap handling mechanisms in xv6: system calls, interrupts, program faults, CPU context saving, kernel trap handler functions, and return from trap procedures.