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Understanding Virtual Machines and Process Abstraction in Operating Systems

This lecture notes collection from CS.140 elaborates on the intricacies of virtual machines and process abstraction. It covers essential topics such as physical memory management, instruction sets, registers, I/O devices, hardware components, and the role of memory management units (MMUs) in both virtual and operating system contexts. By exploring system calls and the virtualization of memory, these notes aim to provide a comprehensive understanding of the interactions between guest and host systems, as well as the implementation of shadow and page tables.

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Understanding Virtual Machines and Process Abstraction in Operating Systems

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  1. Process Abstraction Physical Memory InstructionSet Registers I/O Devices Hardware MMU Virtual Memory OperatingSystem SystemCalls CS 140 Lecture Notes: Virtual Machines

  2. Process Abstraction Physical Memory InstructionSet Registers I/O Devices Hardware MMU Process Virtual Memory OperatingSystem SystemCalls CS 140 Lecture Notes: Virtual Machines

  3. Virtual Machine Physical Memory InstructionSet Registers I/O Devices Hardware MMU VirtualMachine Process Virtual Memory OperatingSystem SystemCalls CS 140 Lecture Notes: Virtual Machines

  4. 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

  5. CS 140 Lecture Notes: Virtual Machines

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