add CI running tests on qemu platforms

.github/workflows/run.yaml

@@ -0,0 +1,16 @@
+name: Run tests on qemu platforms
+on:
+  pull_request:
+    branches: [ "main" ]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: install dependencies
+      run: sudo apt install gcc-arm-none-eabi qemu-user
+    - name: Make all
+      run: |
+        make run

Makefile

@@ -28,6 +28,9 @@ ${builds}: build-%:
 ${runs}: run-%:
 	make -C envs/$(platform) run SOURCES='$(call totestsources,$(test))' ASMS='$(call totestasm,$(test))'
 
+.PHONY: run
+run: ${runs}
+
 .PHONY: ${cleans}
 ${cleans}: clean-%:
 	make -C envs/$(platform) clean