.github/workflows: GMSL Kernel build

Author: iristeiu06

.github/workflows/gmsl-kernel-build.yml

@@ -0,0 +1,143 @@
+name: GMSL Kernel Build
+
+on:
+  push:
+    paths-ignore:
+      - '.github/**'
+    branches:
+      - 'gmsl/rpi-6.13.y'
+  workflow_dispatch:
+
+env:
+  NUM_JOBS: 6
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - name: bcm2711_adi_gmsl
+            defconfig: bcm2711_adi_gmsl_defconfig
+            kernel: kernel8
+
+          - name: bcm2712_adi_gmsl
+            defconfig: bcm2712_adi_gmsl_defconfig
+            kernel: kernel_2712
+
+    steps:
+    - name: Update install
+      run: sudo apt-get update
+
+    - name: Install toolchain
+      run: sudo apt-get install -y gcc-aarch64-linux-gnu flex bison libssl-dev bc libelf-dev
+      timeout-minutes: 5
+
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 1
+        clean: true
+
+    - name: Build kernel ${{ matrix.name }}
+      run: |
+        mkdir ${{ github.workspace }}/build
+        export ARCH=arm64
+        export CROSS_COMPILE=aarch64-linux-gnu-
+
+        make O=${{ github.workspace }}/build ${{ matrix.defconfig }}
+        make O=${{ github.workspace }}/build -j ${{ env.NUM_JOBS }} Image modules dtbs
+
+        mkdir -p ${{ github.workspace }}/install/boot/overlays
+        cp ${{ github.workspace }}/build/arch/arm64/boot/dts/broadcom/*.dtb \
+           ${{ github.workspace }}/install/boot/
+        cp ${{ github.workspace }}/build/arch/arm64/boot/dts/overlays/*.dtb* \
+           ${{ github.workspace }}/install/boot/overlays/
+        cp ${{ github.workspace }}/arch/arm64/boot/dts/overlays/README \
+           ${{ github.workspace }}/install/boot/overlays/ || true
+        cp ${{ github.workspace }}/build/arch/arm64/boot/Image \
+           ${{ github.workspace }}/install/boot/${{ matrix.kernel }}.img
+
+        make O=${{ github.workspace }}/build \
+             INSTALL_MOD_PATH=${{ github.workspace }}/install/modules \
+             modules_install
+
+    - name: Upload boot files
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.name }}_boot
+        path: ${{ github.workspace }}/install/boot/
+        retention-days: 30
+
+    - name: Upload modules
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.name }}_modules
+        path: ${{ github.workspace }}/install/modules/lib/modules/
+        retention-days: 30
+
+  package:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+    - name: Download RPi4 boot files
+      uses: actions/download-artifact@v4
+      with:
+        name: bcm2711_adi_gmsl_boot
+        path: combined/boot/
+
+    - name: Download RPi5 boot files
+      uses: actions/download-artifact@v4
+      with:
+        name: bcm2712_adi_gmsl_boot
+        path: combined/boot/
+
+    - name: Download RPi4 modules
+      uses: actions/download-artifact@v4
+      with:
+        name: bcm2711_adi_gmsl_modules
+        path: combined/modules/
+
+    - name: Download RPi5 modules
+      uses: actions/download-artifact@v4
+      with:
+        name: bcm2712_adi_gmsl_modules
+        path: combined/modules/
+
+    - name: Create combined boot tarball
+      run: |
+        cd combined/boot
+        tar -czf ${{ github.workspace }}/rpi_latest_boot_64bit.tar.gz .
+
+    - name: Create combined modules tarball
+      run: |
+        cd combined/modules
+        tar -czf ${{ github.workspace }}/rpi_modules_64bit.tar.gz .
+
+    - name: Upload combined boot tarball
+      uses: actions/upload-artifact@v4
+      with:
+        name: rpi_boot_64bit
+        path: ${{ github.workspace }}/rpi_latest_boot_64bit.tar.gz
+        retention-days: 30
+
+    - name: Upload combined modules tarball
+      uses: actions/upload-artifact@v4
+      with:
+        name: rpi_modules_64bit
+        path: ${{ github.workspace }}/rpi_modules_64bit.tar.gz
+        retention-days: 30
+
+    - name: Trigger adi-kuiper-gen build
+      run: |
+        curl --fail-with-body -s -X POST \
+          -H "Accept: application/vnd.github+json" \
+          -H "Authorization: Bearer ${{ secrets.CROSS_REPO_PAT }}" \
+          https://api.github.com/repos/analogdevicesinc/adi-kuiper-gen/dispatches \
+          -d '{
+            "event_type": "kernel-build-complete",
+            "client_payload": {
+              "run_id": "${{ github.run_id }}",
+              "sha": "${{ github.sha }}",
+              "branch": "${{ github.ref_name }}"
+            }
+          }'