ci: Build bootloader for supported BSPs

This builds default bootloader configuration for all supported BSPs.

.github/test_build_bootloader.sh

@@ -0,0 +1,69 @@
+#!/bin/bash -x
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+EXIT_CODE=0
+
+BSPS=$(ls repos/apache-mynewt-core/hw/bsp)
+IGNORED_BSPS="ci40 dialog_cmac embarc_emsk hifive1 native-armv7 native-mips\
+              olimex-pic32-emz64 olimex-pic32-hmz144 pic32mx470_6lp_clicker\
+              pic32mz2048_wi-fire usbmkw41z"
+
+# native is supported only on Linux (mind the space)
+if [ $RUNNER_OS != "Linux" ]; then
+    IGNORED_BSPS+=" native"
+fi
+
+BSP_COUNT=0
+
+for bsp in ${BSPS}; do
+    # NOTE: do not remove the spaces around IGNORED_BSPS; it's required to
+    #       match against the first and last entries
+    if [[ " ${IGNORED_BSPS} " =~ [[:blank:]]${bsp}[[:blank:]] ]]; then
+        echo "Skipping bsp=$bsp"
+        continue
+    fi
+
+    # Limit build on non-Linux VMs to 10 BSPs
+    if [ $RUNNER_OS != "Linux" ]; then
+       ((BSP_COUNT++))
+
+       if [ $BSP_COUNT -gt 10 ]; then
+            echo "Skipping bsp=$bsp (limit reached)"
+            continue
+       fi
+    fi
+
+
+    echo "Testing bsp=$bsp"
+
+    target="test-bootloader-$bsp"
+    newt target delete -s -f $target &> /dev/null
+    newt target create -s $target
+    newt target set -s $target bsp="@apache-mynewt-core/hw/bsp/$bsp"
+    newt target set -s $target app="@mcuboot/boot/mynewt"
+    newt target set -s $target build_profile=optimized
+    newt build -q $target
+
+    rc=$?
+    [[ $rc -ne 0 ]] && EXIT_CODE=$rc
+
+    newt target delete -s -f $target
+done
+
+exit $EXIT_CODE

.github/workflows/build_bootloader.yml

@@ -0,0 +1,63 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+name: Build check
+
+on: [push, pull_request]
+
+jobs:
+  bootloader:
+    name: Build bootloader
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 'stable'
+      - uses: carlosperate/arm-none-eabi-gcc-action@48db4484a55750df7a0ccca63347fcdea6534d78
+        with:
+          release: '12.2.Rel1'
+      - name: Install Dependencies
+        if: matrix.os == 'ubuntu-latest'
+        run: |
+             sudo apt-get update
+             sudo apt-get install -y gcc-multilib
+      - name: Install newt
+        run: |
+             go version
+             go install mynewt.apache.org/newt/newt@latest
+      - name: Setup project
+        shell: bash
+        run: |
+             newt new build
+             cp -f .github/project.yml build/project.yml
+             cd build
+             newt upgrade --shallow=1
+             rm -rf repos/apache-mynewt-core
+             git clone .. repos/apache-mynewt-core
+             cd ..
+      - name: Build bootloader
+        shell: bash
+        run: |
+             cd build
+             bash ../.github/test_build_bootloader.sh