Structured Computer Organization,specifically written for undergraduate students, is a best-selling guide that provides an accessible introduction to computer hardware and architecture. This text will also serve as a useful resource for all computer professionals and engineers who need an overview or introduction to computer architecture. This book takes a modern structured, layered approach to understanding computer systems. It's highly accessible - and it's been thoroughly updated to reflect today's most critical new technologies and the latest developments in computer organization and architecture. Tanenbaum's renowned writing style and painstaking research make this one of the most accessible and accurate books available, maintaining the author's popular method of presenting a computer as a series of layers, each one built upon the ones below it, and understandable as a separate entity.

Andrew S. Tanenbaum has a B.S. Degree from M.I.T. and a Ph.D. from the University of California at Berkeley. He is currently a Professor of Computer Science at the Vrije Universiteit in Amsterdam, The Netherlands, where he heads the Computer Systems Group. Until 2005, he was the Dean of the Advanced School for Computing and Imaging, an inter-university graduate school doing research on advanced parallel, distributed, and imaging systems.

In the past, he has done research on compilers, operating systems, networking, and local-area distributed systems. His current research focuses primarily on the design of wide-area distributed systems that scale to a billion users. These research projects have led to five books and over 85 referred papers in journals and conference proceedings.

Prof. Tanenbaum has also produced a considerable volume of software. He was the principal architect of the Amsterdam Compiler Kit, a widely-used toolkit for writing portable compilers, as well as of MINIX, a small UNIX clone intended for use in student programming labs. Together with his Ph.D. students and programmers, he helped design the Amoeba distributed operating system, a high-performance microkernel-based distributed operating system. The MINIX and Amoeba systems are now available for free via the Internet..

Prof. Tanenbaum is a Fellow of the ACM, a Fellow of the IEEE, a member of the Royal Netherlands Academy of Arts and Sciences, winner of the 1994 ACM Karl V. Karlstrom Outstanding Educator Award, and winner of the 1997 ACM/SIGCSE Award for Outstanding Contributions to Computer Science Education. He is also listed in Who’s Who in the World.

Todd Austin is a Professor of Electrical Engineering and Computer Science at the University of Michigan in Ann Arbor. His research interests include computer architecture, reliable system design, hardware and software verification, and performance analysis tools and techniques. Prior to joining academia, Todd was a Senior Computer Architect in Intel's Microcomputer Research Labs , a product-oriented research laboratory in Hillsboro, Oregon. Todd is the first to take credit (but the last to accept blame) for creating the SimpleScalar Tool Set, a popular collection of computer architecture performance analysis tools. In addition to his work in academia, Todd is co-founder of SimpleScalar LLC and InTempo Design LLC. In 2002, Todd was a Sloan Research Fellow , and in 2007 he received the ACM Maurice Wilkes Award for "for innovative contributions in Computer Architecture including the SimpleScalar Toolkit and the DIVA and Razor architectures." Todd received his Ph.D. in Computer Science from the University of Wisconsin in 1996.

1.1 STRUCTURED COMPUTER ORGANIZATION 2
1.1.1 Languages, Levels, and Virtual Machines 2
1.1.2 Contemporary Multilevel Machines 5
1.1.3 Evolution of Multilevel Machines 8
1.2 MILESTONES IN COMPUTER ARCHITECTURE 13
1.2.1 The Zeroth Generation–Mechanical Computers (1642—1945) 13
1.2.2 The First Generation–Vacuum Tubes (1945—1955) 16
1.2.3 The Second Generation–Transistors (1955—1965) 19
1.2.4 The Third Generation–Integrated Circuits (1965—1980) 21
1.2.5 The Fourth Generation–Very Large Scale Integration (1980—?) 23
1.2.6 The Fifth Generation–Low-Power and Invisible Computers 26
1.3 THE COMPUTER ZOO 28
1.3.1 Technological and Economic Forces 28
1.3.2 The Computer Spectrum 30
1.3.3 Disposable Computers 31
1.3.4 Microcontrollers 33
1.3.5 Mobile and Game Computers 35
1.3.6 Personal Computers 36
1.3.7 Servers 36
1.3.8 Mainframes 38
1.4 EXAMPLE COMPUTER FAMILIES 39
1.4.1 Introduction to the x86 Architecture 39
1.4.2 Introduction to the ARM Architecture 45
1.4.3 Introduction to the AVR Architecture 47
1.5 METRIC UNITS 49
1.6 OUTLINE OF THIS BOOK 50
2.1 PROCESSORS 55
2.1.1 CPU Organization 56
2.1.2 Instruction Execution 58
2.1.3 RISC versus CISC 62
2.1.4 Design Principles for Modern Computers 63
2.1.5 Instruction-Level Parallelism 65
2.1.6 Processor-Level Parallelism 69
2.2 PRIMARYMEMORY 73
2.2.1 Bits 74
2.2.2 Memory Addresses 74
2.2.3 Byte Ordering 76
2.2.4 Error-Correcting Codes 78
2.2.5 Cache Memory 82
2.2.6 Memory Packaging and Types 85
2.3 SECONDARYMEMORY 86
2.3.1 Memory Hierarchies 86
2.3.2 Magnetic Disks 87
2.3.3 IDE Disks 91
2.3.4 SCSI Disks 92
2.3.5 RAID 94
2.3.6 Solid-State Disks 97
2.3.7 CD-ROMs 99
2.3.8 CD-Recordables 103
2.3.9 CD-Rewritables 105
2.3.10 DVD 106
2.3.11 Blu-ray 108
2.4 INPUT/OUTPUT 108
2.4.1 Buses 108
2.4.2 Terminals 113
2.4.3 Mice 118
2.4.4 Game Controllers 120
2.4.5 Printers 122
2.4.6 Telecommunications Equipment 127
2.4.7 Digital Cameras 135
2.4.8 Character Codes 137
2.5 SUMMARY 142
3.1 GATES AND BOOLEAN ALGEBRA 147
3.1.1 Gates 148
3.1.2 Boolean Algebra 150
3.1.3 Implementation of Boolean Functions 152
3.1.4 Circuit Equivalence 153
3.2 BASIC DIGITAL LOGIC CIRCUITS 158
3.2.1 Integrated Circuits 158
3.2.2 Combinational Circuits 159
3.2.3 Arithmetic Circuits 163
3.2.4 Clocks 168
3.3 MEMORY 169
3.3.1 Latches 169
3.3.2 Flip-Flops 172
3.3.3 Registers 174
3.3.4 Memory Organization 174
3.3.5 Memory Chips 178
3.3.6 RAMs and ROMs 180
3.4 CPU CHIPS AND BUSES 185
3.4.1 CPU Chips 185
3.4.2 Computer Buses 187
3.4.3 Bus Width 190
3.4.4 Bus Clocking 191
3.4.5 Bus Arbitration 196
3.4.6 Bus Operations 198
3.5 EXAMPLE CPU CHIPS 201
3.5.1 The Intel Core i7 201
3.5.2 The Texas Instruments OMAP4430 System-on-a-Chip 208
3.5.3 The Atmel ATmega168 Microcontroller 212
3.6 EXAMPLE BUSES 214
3.6.1 The PCI Bus 215
3.6.2 PCI Express 223
3.6.3 The Universal Serial Bus 228
3.7 INTERFACING 232
3.7.1 I/O Interfaces 232
3.7.2 Address Decoding 233
3.8 SUMMARY 235
4.1 AN EXAMPLE MICROARCHITECTURE 243
4.1.1 The Data Path 244
4.1.2 Microinstructions 251
4.1.3 Microinstruction Control: The Mic-1 253
4.2 AN EXAMPLE ISA: IJVM 258
4.2.1 Stacks 258
4.2.2 The IJVM Memory Model 260
4.2.3 The IJVM Instruction Set 262
4.2.4 Compiling Java to IJVM 266
4.3 AN EXAMPLE IMPLEMENTATION 267
4.3.1 Microinstructions and Notation 267
4.3.2 Implementation of IJVM Using the Mic-1 272
4.4 DESIGN OF THE MICROARCHITECTURE LEVEL 283
4.4.1 Speed versus Cost 283
4.4.2 Reducing the Execution Path Length 286
4.4.3 A Design with Prefetching: The Mic-2 293
4.4.4 A Pipelined Design: The Mic-3 293
4.4.5 A Seven-Stage Pipeline: The Mic-4 301
4.5 IMPROVING PERFORMANCE 305
4.5.1 Cache Memory 306
4.5.2 Branch Prediction 312
4.5.3 Out-of-Order Execution and Register Renaming 317
4.5.4 Speculative Execution 322
4.6 EXAMPLES OF THE MICROARCHITECTURE LEVEL 324
4.6.1 The Microarchitecture of the Core i7 CPU 325
4.6.2 The Microarchitecture of the OMAP4430 CPU 331
4.6.3 The Microarchitecture of the ATmega168 Microcontroller 336
4.7 COMPARISON OF THE I7, OMAP4430, AND ATMEGA168 338
4.8 SUMMARY 339
5.1 OVERVIEW OF THE ISA LEVEL
5.1.1 Properties of the ISA Level
5.1.2 Memory Models
5.1.3 Registers
5.1.4 Instructions
5.1.5 Overview of the Core i7 ISA Level
5.1.6 Overview of the OMAP4430 ARM ISA Level
5.1.7 Overview of the ATmega168 AVR ISA Level
5.2 DATA TYPES
5.2.1 Numeric Data Types
5.2.2 Nonnumeric Data Types
5.2.3 Data Types on the Core i7
5.2.4 Data Types on the OMAP4430 ARM CPU
5.2.5 Data Types on the ATmega168 AVR CPU
5.3 INSTRUCTION FORMATS
5.3.1 Design Criteria for Instruction Formats
5.3.2 Expanding Opcodes
5.3.3 The Core i7 Instruction Formats
5.3.4 The OMAP4430 ARM CPU Instruction Formats
5.3.5 The ATmega168 AVR Instruction Formats
5.4 ADDRESSING
5.4.1 Addressing Modes
5.4.2 Immediate Addressing
5.4.3 Direct Addressing
5.4.4 Register Addressing
5.4.5 Register Indirect Addressing
5.4.6 Indexed Addressing
5.4.7 Based-Indexed Addressing
5.4.8 Stack Addressing
5.4.9 Addressing Modes for Branch Instructions
5.4.10 Orthogonality of Opcodes and Addressing Modes
5.4.11 The Core i7 Addressing Modes
5.4.12 The OMAP4440 ARM CPU Addressing Modes
5.4.13 The ATmega168 AVR Addressing Modes
5.4.14 Discussion of Addressing Modes
5.5 INSTRUCTION TYPES
5.5.1 Data Movement Instructions
5.5.2 Dyadic Operations
5.5.3 Monadic Operations
5.5.4 Comparisons and Conditional Branches
5.5.5 Procedure Call Instructions
5.5.6 Loop Control
5.5.7 Input/Output
5.5.8 The Core i7 Instructions
5.5.9 The OMAP4430 ARM CPU Instructions
5.5.10 The ATmega168 AVR Instructions
5.5.11 Comparison of Instruction Sets
5.6 FLOWOF CONTROL
5.6.1 Sequential Flow of Control and Branches
5.6.2 Procedures
5.6.3 Coroutines
5.6.4 Traps
5.6.5 Interrupts
5.7 A DETAILED EXAMPLE: THE TOWERS OF HANOI
5.7.1 The Towers of Hanoi in Core i7 Assembly Language
5.7.2 The Towers of Hanoi in OMAP4430 ARM Assembly Language
5.8 THE IA-64 ARCHITECTURE AND THE ITANIUM 2
5.8.1 The Problem with the IA-32 ISA
5.8.2 The IA-64 Model: Explicitly Parallel Instruction Computing
5.8.3 Reducing Memory References
5.8.4 Instruction Scheduling
5.8.5 Reducing Conditional Branches: Predication
5.8.6 Speculative Loads
5.9 SUMMARY
6.1 VIRTUAL MEMORY
6.1.1 Paging
6.1.2 Implementation of Paging
6.1.3 Demand Paging and the Working Set Model
6.1.4 Page Replacement Policy
6.1.5 Page Size and Fragmentation
6.1.6 Segmentation
6.1.7 Implementation of Segmentation
6.1.8 Virtual Memory on the Core i7
6.1.9 Virtual Memory on the OMAP4430 ARM CPU
6.1.10 Virtual Memory and Caching
6.2 VIRTUAL I/O INSTRUCTIONS
6.2.1 Files
6.2.2 Implementation of Virtual I/O Instructions
6.2.3 Directory Management Instructions
6.3 VIRTUAL INSTRUCTIONS FOR PARALLEL PROCESSING
6.3.1 Process Creation
6.3.2 Race Conditions
6.3.3 Process Synchronization Using Semaphores
6.4 EXAMPLE OPERATING SYSTEMS
6.4.1 Introduction
6.4.2 Examples of Virtual Memory
6.4.3 Examples of Virtual I/O
6.4.4 Examples of Process Management
6.5 SUMMARY
7.1 INTRODUCTION TO ASSEMBLY LANGUAGE
7.1.1 What Is an Assembly Language?
7.1.2 Why Use Assembly Language?
7.1.3 Format of an Assembly Language Statement
7.1.4 Pseudoinstructions
7.2 MACROS
7.2.1 Macro Definition, Call, and Expansion
7.2.2 Macros with Parameters
7.2.3 Advanced Features
7.2.4 Implementation of a Macro Facility in an Assembler
7.3 THE ASSEMBLY PROCESS
7.3.1 Two-Pass Assemblers
7.3.2 Pass One
7.3.3 Pass Two
7.3.4 The Symbol Table
7.4 LINKING AND LOADING
7.4.1 Tasks Performed by the Linker
7.4.2 Structure of an Object Module
7.4.3 Binding Time and Dynamic Relocation
7.4.4 Dynamic Linking
7.5 SUMMARY
8.1 ON-CHIP PARALELLISM
8.1.1 Instruction-Level Parallelism
8.1.2 On-Chip Multithreading
8.1.3 Single-Chip Multiprocessors
8.2 COPROCESSORS
8.2.1 Network Processors
8.2.2 Media Processors
8.2.3 Cryptoprocessors
8.3 SHARED-MEMORYMULTIPROCESSORS
8.3.1 Multiprocessors vs. Multicomputers
8.3.2 Memory Semantics
8.3.3 UMA Symmetric Multiprocessor Architectures
8.3.4 NUMA Multiprocessors
8.3.5 COMA Multiprocessors
8.4 MESSAGE-PASSING MULTICOMPUTERS
8.4.1 Interconnection Networks
8.4.2 MPPs–Massively Parallel Processors
8.4.3 Cluster Computing
8.4.4 Communication Software for Multicomputers
8.4.5 Scheduling
8.4.6 Application-Level Shared Memory
8.4.7 Performance
8.5 GRID COMPUTING
8.6 SUMMARY
9.1 SUGGESTIONS FOR FURTHER READING
9.1.1 Introduction and General Works
9.1.2 Computer Systems Organization
9.1.3 The Digital Logic Level
9.1.4 The Microarchitecture Level
9.1.5 The Instruction Set Architecture Level
9.1.6 The Operating System Machine Level
9.1.7 The Assembly Language Level
9.1.8 Parallel Computer Architectures
9.1.9 Binary and Floating-Point Numbers
9.1.10 Assembly Language Programming
9.2 ALPHABETICAL BIBLIOGRAPHY
A.1 FINITE-PRECISION NUMBERS
A.2 RADIX NUMBER SYSTEMS
A.3 CONVERSION FROM ONE RADIX TO ANOTHER
A.4 NEGATIVE BINARY NUMBERS
A.5 BINARY ARITHMETIC
B.1 PRINCIPLES OF FLOATING POINT
B.2 IEEE FLOATING-POINT STANDARD 754
C.1 OVERVIEW
C.1.1 Assembly Language
C.1.2 A Small Assembly Language Program
C.2 THE 8088 PROCESSOR
C.2.1 The Processor Cycle
C.2.2 The General Registers
C.2.3 Pointer Registers
C.3 MEMORY AND ADDRESSING
C.3.1 Memory Organization and Segments
C.3.2 Addressing
C.4 THE 8088 INSTRUCTION SET
C.4.1 Move, Copy and Arithmetic
C.4.2 Logical, Bit and Shift Operations
C.4.3 Loop and Repetitive String Operations
C.4.4 Jump and Call Instructions
C.4.5 Subroutine Calls
C.4.6 System Calls and System Subroutines
C.4.7 Final Remarks on the Instruction Set
C.5 THE ASSEMBLER
C.5.1 Introduction
C.5.2 The ACK-Based Assembler, as88
C.5.3 Some Differences with Other 8088 Assemblers
C.6 THE TRACER
C.6.1 Tracer Commands
C.7 GETTING STARTED
C.8 EXAMPLES
C.8.1 Hello World Example
C.8.2 General Registers Example
C.8.3 Call Command and Pointer Registers
C.8.4 Debugging an Array Print Program
C.8.5 String Manipulation and String Instructions
C.8.6 Dispatch Tables
C.8.7 Buffered and Random File Access

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