ci.yml

name: Verilog smoke test

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Icarus Verilog
        run: |
          sudo apt-get update
          sudo apt-get install -y iverilog

      - name: Compile Verilog testbench
        run: |
          mkdir -p sim
          iverilog -o sim/xor_tb_out tb/tb_xor_cipher.v src/*.v

      - name: Run simulation (smoke)
        run: |
          if [ -f sim/xor_tb_out ]; then vvp sim/xor_tb_out || true; else echo "Compilation failed"; exit 1; fi