2 files changed, 57 insertions, 0 deletions
diff --git a/.github/ci/build_mistral.sh b/.github/ci/build_mistral.sh
new file mode 100644
index 00000000..7046462f
--- /dev/null
+++ b/.github/ci/build_mistral.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+function get_dependencies {
+    # Fetch mistral
+    mkdir -p ${MISTRAL_PATH}
+    git clone --recursive https://github.com/Ravenslofty/mistral.git ${MISTRAL_PATH}
+    pushd ${MISTRAL_PATH}
+    git reset --hard ${MISTRAL_REVISION}
+    popd
+}
+
+function build_nextpnr {
+    mkdir build
+    pushd build
+    cmake .. -DARCH=mistral -DMISTRAL_ROOT=${MISTRAL_PATH}
+    make nextpnr-mistral -j`nproc`
+    popd
+}
+
+function run_archcheck {
+    pushd build
+    ./nextpnr-mistral --mistral ${MISTRAL_PATH} --device 5CEBA2F17A7 --test
+    popd
+}
diff --git a/.github/workflows/mistral_ci.yml b/.github/workflows/mistral_ci.yml
new file mode 100644
index 00000000..877e374d
--- /dev/null
+++ b/.github/workflows/mistral_ci.yml
@@ -0,0 +1,33 @@
+name: Mistral CI tests
+
+on: [push, pull_request]
+
+jobs:
+  Build-nextpnr:
+    runs-on: ubuntu-latest
+    steps:
+
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
+    - uses: actions/setup-python@v2
+
+    - name: Install
+      run: |
+        sudo apt-get update
+        sudo apt-get install git make cmake libboost-all-dev python3-dev libeigen3-dev tcl-dev lzma-dev clang bison flex swig
+
+    - name: ccache
+      uses: hendrikmuhs/ccache-action@v1
+
+    - name: Execute build nextpnr
+      env:
+        MISTRAL_PATH: ${{ github.workspace }}/deps/mistral
+        MISTRAL_REVISION: 7d4e6d2cca1ec05de3be0c9fef6acaed8089d329
+      run: |
+        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+        source ./.github/ci/build_mistral.sh
+        get_dependencies
+        build_nextpnr
+        run_archcheck