INF8505 ASIP project

Installation

How to install the RISCV Rocket Core project template from scratch

Required downloads

# Setup directory
mkdir riscv_proj
cd riscv_proj


# Clone the git repo
# Roughly 3GB to download
git clone https://github.com/ucb-bar/project-template.git
cd project-template/
git submodule update --init --recursive
cd rocket-chip/
export TOP=$(pwd)
cd $TOP/riscv-tools

# Install required tools
# JRE and JDK are required, even if the README only mentions JRE
sudo apt install autoconf automake autotools-dev curl device-tree-compiler libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev default-jre default-jdk

Building riscv-tools

# Takes rougly 8GB after compilation
export RISCV=$TOP/riscv
export PATH=$PATH:$RISCV/bin

# Start the build
./build.sh

# Test the toolchain
cd $TOP
echo -e '#include <stdio.h>\n int main(void) { printf("Hello world!\\n"); return 0; }' > hello.c
riscv64-unknown-elf-gcc -o hello hello.c
spike pk hello
#You should see "hello world"

# Build tests
cd $TOP/riscv-tools/riscv-tests
autoconf
./configure --prefix=$RISCV/target
make

Building Verilator and the processor configuration to simulate

# Build the processor configuration emulator binary
# Rougly 9GB after compilation
cd $TOP
cd ../verisim
make

#Test it with a RISCV binary
./simulator-example-DefaultExampleConfig $RISCV/riscv64-unknown-elf/share/riscv-tests/isa/rv64ui-p-simple +verbose

Adding custom instructions with RoccExampleConfig

make  CONFIG=RoccExampleConfig