barbecue

A simple processor based on RISC-V

Features

• RV32I ISA
• single cycle
• exceptions, traps, and interrupts are not supported

Requirements

• icarus verilog
• verilator (optional)
• RISC-V GNU Compiler Toolchain
• Python 3

To run the testbenches, you would need to install the RV32I toolchain as follows:

# On Ubuntu
$ sudo apt install autoconf automake autotool-dev curl libmpc-dev libmpfr-dev \
    libgmp-dev gawk build-essential bison flex texinfo gperf libtool \
    patchutils bc zlib1g-dev git

# On Fedora/CentOS/RHEL
$ sudo yum install autoconf automake libmpc-devel mpfr-devel gmp-devel gawk \
    bison flex texinfo patchutils gcc gcc-c++ zlib-devel git

# On macOS
$ brew install gawk gnu-sed gmp mpfr libmpc isl zlib

# Clone repository
$ git clone https://github.com/riscv/riscv-gnu-toolchain.git
$ cd riscv-gnu-toolchain
$ git submodule update --init --recursive

# build
$ mkdir build
$ cd build
$ ../configure --with-arch=rv32i --prefix=/opt/riscv32i
$ make -j$(nproc)

Running the testbench

# Build
$ make

# Run ISA tests from riscv/riscv-tests
$ make test

# Get a detailed log and vcd output for the ISA tests
$ make test_vcd

# Run a sliding puzzle program
$ make puzzle

# Get a detailed log and vcd output for the puzzle
$ make puzzle_vcd

# Run puzzle with verilator
$ make vpuzzle

Authors

Team Barbecue

• midchildan
• shimayu
• yoshitaka
• fortemovehalf
• yoshikonu

License

barbecue is available under the MIT license. See LICENSE for more info.