Use matrix strategy in CI and fix integration test for BCM2835

Co-authored-by: jbltx <1284323+jbltx@users.noreply.github.com>

.github/workflows/ci.yml

@@ -8,8 +8,30 @@ on:
 
 jobs:
   build-and-test:
-    name: Build and Test
+    name: Build and Test - BCM${{ matrix.bcm }}
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        bcm: [2835, 2836, 2837]
+        include:
+          - bcm: 2835
+            kernel_name: kernel.img
+            pi_model: "Pi Zero/1"
+            qemu_machine: raspi0
+            qemu_mem: 512
+            qemu_binary: qemu-system-arm
+          - bcm: 2836
+            kernel_name: kernel7.img
+            pi_model: "Pi 2"
+            qemu_machine: raspi2b
+            qemu_mem: 1024
+            qemu_binary: qemu-system-arm
+          - bcm: 2837
+            kernel_name: kernel8.img
+            pi_model: "Pi 3"
+            qemu_machine: raspi3b
+            qemu_mem: 1024
+            qemu_binary: qemu-system-aarch64
     
     steps:
     - name: Checkout code
@@ -28,71 +50,26 @@ jobs:
         qemu-system-arm --version
         qemu-system-aarch64 --version
         
-    - name: Build BCM2835 (RPi Zero/1)
+    - name: Build BCM${{ matrix.bcm }} (${{ matrix.pi_model }})
       run: |
         cd build
-        export BCM=2835
+        export BCM=${{ matrix.bcm }}
         make clean
         make
-        ls -lh kernel.img
+        ls -lh ${{ matrix.kernel_name }}
         
-    - name: Build BCM2836 (RPi 2)
+    - name: Test BCM${{ matrix.bcm }} in QEMU
       run: |
         cd build
-        export BCM=2836
-        make clean
-        make
-        ls -lh kernel7.img
-        
-    - name: Build BCM2837 (RPi 3) - 64-bit
-      run: |
-        cd build
-        export BCM=2837
-        make clean
-        make
-        ls -lh kernel8.img
-        
-    - name: Test BCM2835 in QEMU
-      run: |
-        cd build
-        export BCM=2835
+        export BCM=${{ matrix.bcm }}
         # Run QEMU for 3 seconds to verify it loads and executes
         timeout 3 make run || true
-        echo "✓ BCM2835 kernel runs in QEMU without crashing"
-        
-    - name: Test BCM2836 in QEMU
-      run: |
-        cd build
-        export BCM=2836
-        # Run QEMU for 3 seconds to verify it loads and executes
-        timeout 3 make run || true
-        echo "✓ BCM2836 kernel runs in QEMU without crashing"
-        
-    - name: Test BCM2837 in QEMU
-      run: |
-        cd build
-        export BCM=2837
-        # Run QEMU for 3 seconds to verify it loads and executes
-        timeout 3 make run || true
-        echo "✓ BCM2837 kernel runs in QEMU without crashing"
-        
-    - name: Run unit tests
-      run: |
-        cd tests
-        python3 test_memory.py
-        
-    - name: Run integration tests
-      run: |
-        cd tests
-        bash run_tests.sh
+        echo "✓ BCM${{ matrix.bcm }} kernel runs in QEMU without crashing"
         
     - name: Check binary size
       run: |
         cd build
-        export BCM=2836
-        make clean
-        make
-        SIZE=$(stat -c%s kernel7.img)
+        SIZE=$(stat -c%s ${{ matrix.kernel_name }})
         echo "Binary size: $SIZE bytes"
         if [ $SIZE -gt 100000 ]; then
           echo "Warning: Binary size exceeds 100KB (size: $SIZE bytes)"
@@ -103,10 +80,34 @@ jobs:
     - name: Archive build artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: kernel-images
-        path: build/kernel*.img
+        name: kernel-bcm${{ matrix.bcm }}-${{ matrix.kernel_name }}
+        path: build/${{ matrix.kernel_name }}
         retention-days: 30
 
+  run-integration-tests:
+    name: Run Integration Tests
+    runs-on: ubuntu-latest
+    needs: build-and-test
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      
+    - name: Install ARM toolchain
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y gcc-arm-none-eabi binutils-arm-none-eabi gcc-aarch64-linux-gnu
+        
+    - name: Run unit tests
+      run: |
+        cd tests
+        python3 test_memory.py
+        
+    - name: Run integration tests
+      run: |
+        cd tests
+        bash run_tests.sh
+
   static-analysis:
     # Disable this job for now
     if: false

tests/run_tests.sh

@@ -51,11 +51,11 @@ echo "Testing build for BCM2835 (Raspberry Pi Zero/1)..."
 cd ../build
 export BCM=2835
 if make clean > /dev/null 2>&1 && make > /dev/null 2>&1; then
-    if [ -f kernel7.img ]; then
-        SIZE=$(stat -c%s kernel7.img 2>/dev/null || stat -f%z kernel7.img 2>/dev/null)
+    if [ -f kernel.img ]; then
+        SIZE=$(stat -c%s kernel.img 2>/dev/null || stat -f%z kernel.img 2>/dev/null)
         print_result 0 "BCM2835 build successful (size: $SIZE bytes)"
     else
-        print_result 1 "BCM2835 build failed - kernel7.img not found"
+        print_result 1 "BCM2835 build failed - kernel.img not found"
     fi
 else
     print_result 1 "BCM2835 build failed"