Add CircleCI support for automatically building firmware

.circleci/config.yml

@@ -0,0 +1,23 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: meriac/tfm-dev
+        user: build
+    steps:
+      - checkout
+      - run:
+          name: "Setup Environment Variables"
+          command: echo 'export PATH="$PATH:/usr/gcc-arm-none-eabi/bin"' >> $BASH_ENV
+      - run:
+          name: "Update submodules"
+          command: |
+            git submodule init
+            git submodule foreach --recursive 'git fetch --tags'
+            git submodule update --recursive
+      - run:
+          name: "Run Tests"
+          command: |
+            make compile
+      - store_artifacts:
+          path: build/install/outputs

.gitmodules

@@ -4,11 +4,8 @@
 	url = https://github.com/meriac/trusted-firmware-m
 [submodule "submodules/mbedtls"]
 	branch = mbedtls-2.6
-	shallow = true
 	path = submodules/mbedtls
 	url = https://github.com/ARMmbed/mbedtls.git
 [submodule "submodules/CMSIS_5"]
-	branch = 5.2.0
 	path = submodules/CMSIS_5
-	shallow = true
 	url = https://github.com/ARM-software/CMSIS_5.git

Makefile

@@ -5,7 +5,8 @@ IMAGE_TAG:="docker.io/meriac/tfm-dev"
 run: docker-run
 
 compile:
-	rm -rf build && mkdir -p build
+	rm -rf build
+	mkdir -p build
 	cd build && cmake ../submodules/trusted-firmware-m -G"Unix Makefiles" -DTARGET_PLATFORM=AN521 -DCOMPILER=GNUARM
 	cmake --build build -- install