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This chapter explores RISC-V, an open-standard Instruction Set Architecture (ISA) which is a base for RISC-V processor core designs and offers a modular and extensible alternative to proprietary ISAs like ARM, ARC, and MIPS. It highlights the advantages of RISC-V, such as its royalty-free model, flexibility, and adaptability for various embedded applications. The discussion covers instruction set terminology, including the base integer set and optional extensions for floating-point, vector processing, and security. Additionally, the chapter examines core architecture features like privilege levels, interrupts, and exception handling, which enable efficient software interfaces. Finally, it provides an overview of the RISC-V ecosystem, including EDA tools, open-source toolchains, and software development environments that facilitate a streamlined design and verification flow.

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RISC-V-Based Processor Systems

  • 章节

  • 发表日期：

    2025年

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  • Veena S. Chakravarthi,
  • Shivananda R. Koteshwar

摘要

This chapter explores RISC-V, an open-standard Instruction Set Architecture (ISA) which is a base for RISC-V processor core designs and offers a modular and extensible alternative to proprietary ISAs like ARM, ARC, and MIPS. It highlights the advantages of RISC-V, such as its royalty-free model, flexibility, and adaptability for various embedded applications. The discussion covers instruction set terminology, including the base integer set and optional extensions for floating-point, vector processing, and security. Additionally, the chapter examines core architecture features like privilege levels, interrupts, and exception handling, which enable efficient software interfaces. Finally, it provides an overview of the RISC-V ecosystem, including EDA tools, open-source toolchains, and software development environments that facilitate a streamlined design and verification flow.