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Process Abstraction. Physical Memory. Instruction Set. Registers. I/O Devices. Hardware. MMU. Virtual Memory. Operating System. System Calls. Process Abstraction. Physical Memory. Instruction Set. Registers. I/O Devices. Hardware. MMU. Process. Virtual Memory.

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Process abstraction
Process Abstraction

Physical

Memory

InstructionSet

Registers

I/O

Devices

Hardware

MMU

Virtual Memory

OperatingSystem

SystemCalls

CS 140 Lecture Notes: Virtual Machines


Process abstraction1
Process Abstraction

Physical

Memory

InstructionSet

Registers

I/O

Devices

Hardware

MMU

Process

Virtual Memory

OperatingSystem

SystemCalls

CS 140 Lecture Notes: Virtual Machines


Virtual machine
Virtual Machine

Physical

Memory

InstructionSet

Registers

I/O

Devices

Hardware

MMU

VirtualMachine

Process

Virtual Memory

OperatingSystem

SystemCalls

CS 140 Lecture Notes: Virtual Machines


Virtualizing virtual memory
Virtualizing Virtual Memory

GuestVirtual AS

Guest“Physical” AS

HostPhysical

Guest MMU(Virtual)

Real MMU

Shadow Page Tables

Guest Page Tables

Virtual Machine

Hardware

CS 140 Lecture Notes: Virtual Machines



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