abstractaccelerator/Cores-SweRV/demo/Readme.md

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# Demo
## helloworld
This a demo for llvm build and sim with verilator.
## jtag
This is a demo of jtag simulation by openocd running on verilator.
## install verilator
`sudo apt install verilator`
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## install openocd
```shell
git clone https://github.com/riscv/riscv-openocd.git
cd riscv-openocd
./bootstrap
./configure --prefix=$RISCV --enable-remote-bitbang --enable-jtag_vpi --enable-ftdi --enable-jlink
make
sudo make install
```
## install ninja
`sudo apt-get install -y ninja-build`
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## build and install riscv tools
* Opetion1 :https://github.com/riscv-collab/riscv-gnu-toolchain.git
* Opetion2 :
```bash
sudo apt-get install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev libusb-1.0-0-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev device-tree-compiler pkg-config libexpat-dev libfl-dev
git clone https://github.com/chipsalliance/rocket-tools.git
git submodule update --init --recursive
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# riscv-isa-sim and openocd may be checkout to main branch to avoid compile error
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sudo su
export RISCV=/opt/riscv
export MAKEFLAGS="-j12"
./build-rv32ima.sh
```