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Modern Computer Architecture and Organization – Second Edition - Second Edition

You're reading from Modern Computer Architecture and Organization – Second Edition - Second Edition

Product type Book

Published in May 2022

Publisher Packt

ISBN-13 9781803234519

Pages 666 pages

Edition 2nd Edition

Languages

Concepts

Computer Architecture

Author (1):

Jim Ledin

Table of Contents (21) Chapters

Preface

1. Introducing Computer Architecture

2. Digital Logic

3. Processor Elements

4. Computer System Components

5. Hardware-Software Interface

6. Specialized Computing Domains

7. Processor and Memory Architectures

8. Performance-Enhancing Techniques

9. Specialized Processor Extensions

10. Modern Processor Architectures and Instruction Sets

11. The RISC-V Architecture and Instruction Set

12. Processor Virtualization

13. Domain-Specific Computer Architectures

14. Cybersecurity and Confidential Computing Architectures

15. Blockchain and Bitcoin Mining Architectures

16. Self-Driving Vehicle Architectures

17. Quantum Computing and Other Future Directions in Computer Architectures

18. Other Books You May Enjoy

19. Index

Appendix

Privileged processor modes

Most operating systems running on 32-bit and 64-bit processors control access to system resources using the concept of privilege levels. The primary reasons for managing access in this manner are to enhance system stability, prevent unauthorized interactions with system hardware, and prevent unauthorized access to data.

Privileged execution improves system stability by ensuring only trusted code is allowed to execute instructions that provide unrestricted access to resources such as processor configuration registers and I/O devices. The operating system kernel and related modules, including device drivers, require privileged access to perform their functions. Because any crash of a kernel process or a device driver is likely to halt the entire system immediately, these software components generally undergo a careful design process and rigorous testing before being released for general use.

Running the operating system in a privileged context prevents...

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Authors (1)

Jim Ledin

Jim Ledin is the CEO of Ledin Engineering, Inc. Jim is an expert in embedded software and hardware design and testing. He is also an expert in system cybersecurity assessment and penetration testing. He has a B.S. degree in aerospace engineering from Iowa State University and an M.S. degree in electrical and computer engineering from the Georgia Institute of Technology. Jim is a registered professional electrical engineer in California, a Certified Information System Security Professional (CISSP), a Certified Ethical Hacker (CEH), and a Certified Penetration Tester (CPT).

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