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RISK-FIVE


About The Project

A Verilog based implementation of the RV32I Unprivileged RISC-V Instruction Set Architecture. A subset of the RV32I Base Module has been implemented. The functions that have not been included are CSR functions, fence, ecall and ebreak.

Current Design

  • Entirely written in Verilog
  • Requires 1 clock cycle to complete any instruction (except LOAD - Requires two cycles)
  • Single RISC-V Hart only
  • The privileged ISA is not implemented
  • FENCE, FENCE.I and CSR instructions are not implemented.
  • K Extension - Zkn and Zks - Implemented
    • The Bit-Manipulation and Cryptography Instruction Set that we are using is still in the experimental phase.
    • The extension has not been ratified by the RISC-V Foundation yet.

ASIC Implementation

ASIC implementation of the processor from the Register Transfer Level (RTL) stage to the GDSII stage (Physical Design)

  • RTL Design in Verilog HDL
  • Semi-custom ASIC flow in 180nm technology
  • Performance comparison using area, power, timing, and delay reports for the post synthesis and post layout results at multiple clock frequencies.

Future Scope

  • Implement a classic 5-stage RISC pipeline.
  • Evaluate the implementation of the privileged ISA.
  • GPIO, LED, UART Support.

Final Year Thesis

Paulson K Antony - 17BEC1147
Nikshith Narayan Ramesh - 17BEC1097
Pranav Suryadevara - 17BEC1073
Prof. Prathiba A - Project Guide

Vellore Institute of Technology, Chennai Campus,
Vandalur-Kelambakkam Road,
Chennai - 600127