Embedded Computing

1st Edition

A VLIW Approach to Architecture, Compilers and Tools

Print ISBN: 9781493303656
eBook ISBN: 9780080477541
Imprint: Morgan Kaufmann
Published Date: 17th December 2004
Page Count: 712
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The fact that there are more embedded computers than general-purpose computers and that we are impacted by hundreds of them every day is no longer news. What is news is that their increasing performance requirements, complexity and capabilities demand a new approach to their design.

Fisher, Faraboschi, and Young describe a new age of embedded computing design, in which the processor is central, making the approach radically distinct from contemporary practices of embedded systems design. They demonstrate why it is essential to take a computing-centric and system-design approach to the traditional elements of nonprogrammable components, peripherals, interconnects and buses. These elements must be unified in a system design with high-performance processor architectures, microarchitectures and compilers, and with the compilation tools, debuggers and simulators needed for application development.

In this landmark text, the authors apply their expertise in highly interdisciplinary hardware/software development and VLIW processors to illustrate this change in embedded computing. VLIW architectures have long been a popular choice in embedded systems design, and while VLIW is a running theme throughout the book, embedded computing is the core topic. Embedded Computing examines both in a book filled with fact and opinion based on the authors many years of R&D experience.

Key Features

· Complemented by a unique, professional-quality embedded tool-chain on the authors' website, http://www.vliw.org/book · Combines technical depth with real-world experience · Comprehensively explains the differences between general purpose computing systems and embedded systems at the hardware, software, tools and operating system levels. · Uses concrete examples to explain and motivate the trade-offs.


embedded systems designers; system software developers; graduate students in computer science and computer engineering

Table of Contents


Chapter 1: An Introduction to Embedded Processing 1.1 What is Embedded Computing? 1.2 Distinguishing Between Embedded and General Purpose Computing 1.3 Characterizing Embedded Computing
1.4 Embedded market structure
1.5 Further Reading 1.6 Exercises

Chapter 2: An Overview of VLIW and ILP 2.1 Semantics and parallelism
2.2 Design philosophies
2.3 Role of the compiler
2.4 VLIW in the embedded and DSP domains 2.5 Historical Perspective and Further Reading 2.6 Exercises

Chapter 3: An Overview of ISA Design 3.1 Overview: What to Hide
3.2 Basic VLIW design principles 3.3 Designing a VLIW ISA for Embedded Systems
3.4 Instruction-Set Encoding
3.5 VLIW Encoding
3.6 Encoding and Instruction-Set Extensions 3.7 Further Reading 3.8 Exercises

Chapter 4: Architectural Structures in ISA design 4.1 The Datapath
4.2 Registers and Clusters
4.3 Memory Architecture
4.4 Branch Architecture
4.5 Speculation and Predication
4.6 System Operations 4.7 Further Reading 4.8 Exercises

Chapter 5: Microarchitecture Design 5.1 Register File Design
5.2 Pipeline Design 5.3 VLIW Fetch, Sequencing and Decoding 5.4 The Datapath 5.5 Memory Architecture
5.6 Control Unit 5.7 Control Registers 5.8 Power Considerations 5.9 Further Reading 5.10 Exercises

Chapter 6: System Design and Simulation<BR id="CRLF


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© Morgan Kaufmann 2005
Morgan Kaufmann
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“Embedded Computing is enthralling in its clarity and exhilarating in its scope. If the technology you are working on is associated with VLIWs or "embedded computing", then clearly it is imperative that you read this book. If you are involved in computer system design or programming, you must still read this book, because it will take you to places where the views are spectacular. You don't necessarily have to agree with every point the authors make, but you will understand what they are trying to say, and they will make you think.” From the Foreword by Robert Colwell, R&E Colwell & Assoc. Inc