Add cross test for UEFI

Author: RossComputerGuy

.github/workflows/nonnative.yml

@@ -51,3 +51,28 @@ jobs:
         name: "Ubuntu nonnative"
         fail_ci_if_error: false
         verbose: true
+  cross-only-uefi-x64:
+    runs-on: ubuntu-latest
+    container: mesonbuild/eoan:latest
+    env:
+      MESON_CI_JOBNAME: ubuntu-${{ github.job }}
+
+    steps:
+    - run: |
+        apt-get -y purge clang gcc gdc
+        apt-get -y autoremove
+        python3 -m pip install coverage
+    - uses: actions/checkout@v4
+    - name: Run tests
+      run: bash -c 'source /ci/env_vars.sh; cd $GITHUB_WORKSPACE; ./tools/run_with_cov.py ./run_tests.py $CI_ARGS --cross uefi-x64.json --cross-only'
+
+    - name: Aggregate coverage reports
+      run: ./ci/combine_cov.sh
+
+    - name: Upload coverage report
+      uses: codecov/codecov-action@v3
+      with:
+        files: .coverage/coverage.xml
+        name: "Ubuntu nonnative"
+        fail_ci_if_error: false
+        verbose: true

cross/uefi-x64.json

@@ -0,0 +1,5 @@
+{
+  "file": "uefi-x64.txt",
+  "tests": ["common"],
+  "env": {}
+}

cross/uefi-x64.txt

@@ -0,0 +1,10 @@
+[binaries]
+c = ['clang', '-target', 'x86_64-uefi']
+cpp = ['clang++', '-target', 'x86_64-uefi']
+ar = 'llvm-ar'
+strip = 'llvm-strip'
+
+[host_machine]
+system = 'uefi'
+cpu = 'x86_64'
+endian = 'little'