build_pru_gcc.yml

name: Build Pru

on:
  push:
    branches: [ "main", "dev" ]
  pull_request:
    branches: [ "main" ]
  workflow_call:

jobs:

  pru-tests:
    runs-on: ubuntu-latest
    env:
      # as in roles/sheep/vars/main.yml
      gcc_pru_cc_release: "pru-elf-2023.05.amd64"
      gcc_pru_support_branch: "linux-4.19-rproc"
      # weblinks
      link_gcc: "https://github.com/dinuxbg/gnupru/releases/download/2023.05/"
      link_pssp: "https://github.com/dinuxbg/pru-software-support-package.git"
      # env for makefile
      PRU_GCC: "${{ github.workspace }}/pru-elf" # was /pru-elf-2022.05.amd64 before
      PRU_GCC_SUPPORT: "${{ github.workspace }}/pru-software-support-package"

    steps:

      - name: Checkout 🛎️
        uses: actions/checkout@v4

      - name: Install dependency 🔧
        run: sudo apt install build-essential

      - name: prepare directories 📓
        run: |
          mkdir -p ${{ env.PRU_GCC }}/bin
          mkdir -p ${{ env.PRU_GCC_SUPPORT }}

      - name: Download GCC cross-compiler for PRU ⚔
        run: "wget -q --tries 3 ${{ env.link_gcc }}${{ env.gcc_pru_cc_release }}.tar.xz --output-document=gcc-pru.tar.xz"
        working-directory: "${{ github.workspace }}"
      - name: Extract GCC cross-compiler ⚔
        run: "tar -xf gcc-pru.tar.xz"
        #run: "tar -xf gcc-pru.tar.xz -C ${{ env.PRU_GCC }}"
        working-directory: "${{ github.workspace }}"

      - name: Install PSSP dependency 🔧
        run: "git clone --branch ${{ env.gcc_pru_support_branch }} ${{ env.link_pssp }}"
        working-directory: "${{ github.workspace }}"

      - name: temporary size-hack for PRU0 🕚
        run: "sudo cp software/firmware/lib/am335xl.pru0 ${{ env.PRU_GCC }}/pru-elf/lib/device-specs/am335xl.pru0"
        working-directory: "${{ github.workspace }}"

      - name: Build PRU0 - SHP EMU 🧱
        run: |
          make TYPE=EMU
          ${{ env.PRU_GCC }}/bin/pru-size gen_gcc/pru0-shepherd-EMU-fw.elf
        working-directory: "software/firmware/pru0-shepherd-fw/"

      - name: Clean Programmer 🧹
        run: make clean
        working-directory: "software/firmware/pru0-programmer/"

      - name: Build PRU0 - SHP HRV 🧱
        run: |
          make TYPE=HRV
          ${{ env.PRU_GCC }}/bin/pru-size gen_gcc/pru0-shepherd-HRV-fw.elf
        working-directory: "software/firmware/pru0-shepherd-fw/"

      - name: Build PRU1 🧱
        run: |
          make
          ${{ env.PRU_GCC }}/bin/pru-size gen_gcc/pru1-shepherd-fw.elf
        working-directory: "software/firmware/pru1-shepherd-fw/"

      - name: Build SWD Programmer 🧱
        run: |
          make
          ${{ env.PRU_GCC }}/bin/pru-size gen_gcc/pru0-programmer-SWD-fw.elf
        working-directory: "software/firmware/pru0-programmer/"

      - name: Clean Programmer 🧹
        run: make clean
        working-directory: "software/firmware/pru0-programmer/"

      - name: Build SBW Programmer 🧱
        run: |
          make PROTO=SBW
          ${{ env.PRU_GCC }}/bin/pru-size gen_gcc/pru0-programmer-SBW-fw.elf
        working-directory: "software/firmware/pru0-programmer/"