Embedded Computing: A VLIW Approach to Architecture, Compilers and Tools
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.
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.
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Chapter 1 An Introduction to Embedded Processing
Chapter 2 An Overview of VLIW and ILP
Chapter 3 An Overview of ISA Design
Chapter 4 Architectural Structures in ISA Design
Chapter 5 Microarchitecture Design
Chapter 6 System Design and Simulation
Chapter 7 Embedded Compiling and Toolchains
Chapter 8 Compiling for VLIWs and ILP
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algorithms allow assembly language basic blocks bits branch bytes cache called Chapter chip CISC cluster compiled simulator complex components compression computing cost cycle datapath debugging decoding dependences described devices disk dynamic embedded domain embedded systems encoding engineering example exception execution Figure floating-point FPGA functional units general-purpose global hardware implementation inline instruction set integrated interface issue Java language latency load logic loop machine memory accesses micro-SIMD microarchitecture Multiflow multiple multiprocessing ofthe opcode operands operating system optimizations parallel path performance phase pointer pragma predication prefetch problem processor core region register allocation register file require RISC run-time Section single slots software pipelining specific speculation standard superscalar target task techniques tion today’s toolchain types typically unrolling variable vector virtual memory VLIW VLIW architectures