Add RISC-V build/test pipeline to Jenkins.

ci/jenkins/Build.groovy.j2

@@ -241,6 +241,24 @@ stage('Build') {
       Utils.markStageSkippedForConditional('BUILD: Hexagon')
     }
   },
+  'BUILD: RISC-V': {
+    if (!skip_ci && is_docs_only_build != 1) {
+      node('CPU-SMALL') {
+        ws({{ m.per_exec_ws('tvm/build-riscv') }}) {
+          docker_init(ci_riscv)
+          init_git()
+          sh (
+            script: "${docker_run} ${ci_riscv} ./tests/scripts/task_config_build_riscv.sh build",
+            label: 'Create RISC-V cmake config',
+          )
+          make(ci_riscv, 'build', '-j2')
+          {{ m.upload_artifacts(tag='riscv', filenames=tvm_lib, folders=microtvm_template_projects) }}
+        }
+      }
+     } else {
+      Utils.markStageSkippedForConditional('BUILD: RISC-V')
+    }
+  },
   )
 }
 }

ci/jenkins/Test.groovy.j2

@@ -210,6 +210,26 @@
     label: 'Run microTVM tests',
   )
 {% endcall %}
+{% call(shard_index, num_shards) m.sharded_test_step(
+  name="test: RISC-V",
+  node="CPU-SMALL",
+  ws="tvm/test-riscv",
+  platform="riscv",
+  docker_image="ci_riscv",
+  num_shards=1,
+  test_method_names=test_method_names,
+) %}
+  {{ m.download_artifacts(tag='riscv', filenames=tvm_lib, folders=microtvm_template_projects) }}
+  add_microtvm_permissions()
+  ci_setup(ci_riscv)
+  {% if shard_index == 1%}
+  cpp_unittest(ci_cortexm)
+  {% endif %}
+  sh (
+    script: "${docker_run} ${ci_riscv} ./tests/scripts/task_riscv_microtvm.sh",
+    label: 'Run microTVM tests',
+  )
+{% endcall %}
 
 def run_unittest_minimal() {
   {% call m.test_step_body(

ci/jenkins/generate.py

@@ -37,11 +37,11 @@
             "platform": "ARM",
         },
         {
-            "name": "ci_cpu",
+            "name": "ci_cortexm",
             "platform": "CPU",
         },
         {
-            "name": "ci_minimal",
+            "name": "ci_cpu",
             "platform": "CPU",
         },
         {
@@ -61,7 +61,11 @@
             "platform": "CPU",
         },
         {
-            "name": "ci_cortexm",
+            "name": "ci_minimal",
+            "platform": "CPU",
+        },
+        {
+            "name": "ci_riscv",
             "platform": "CPU",
         },
         {

tests/scripts/ci.py

@@ -168,6 +168,7 @@ def docker(name: str, image: str, scripts: List[str], env: Dict[str, str], inter
         "ci_cortexm",
         "ci_arm",
         "ci_hexagon",
+        "ci_riscv",
     }
 
     if image in sccache_images and os.getenv("USE_SCCACHE", "1") == "1":
@@ -673,6 +674,19 @@ def add_subparser(
             ),
         },
     ),
+    generate_command(
+        name="riscv",
+        help="Run RISC-V build and test(s)",
+        options={
+            "cpp": CPP_UNITTEST,
+            "python": (
+                "run full Python tests",
+                [
+                    "./tests/scripts/task_riscv_microtvm.sh",
+                ],
+            ),
+        },
+    ),
 ]
 
 

tests/scripts/task_config_build_riscv.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+# 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.
+
+set -euxo pipefail
+
+BUILD_DIR=$1
+mkdir -p "$BUILD_DIR"
+cd "$BUILD_DIR"
+cp ../cmake/config.cmake .
+
+echo set\(USE_SORT ON\) >> config.cmake
+echo set\(USE_MICRO ON\) >> config.cmake
+echo set\(USE_CMSISNN ON\) >> config.cmake
+echo set\(USE_UMA ON\) >> config.cmake
+echo set\(USE_PROFILER ON\) >> config.cmake
+echo set\(USE_LLVM llvm-config-10\) >> config.cmake
+echo set\(CMAKE_CXX_FLAGS -Werror\) >> config.cmake
+echo set\(HIDE_PRIVATE_SYMBOLS ON\) >> config.cmake
+echo set\(USE_CCACHE OFF\) >> config.cmake
+echo set\(SUMMARIZE ON\) >> config.cmake

tests/scripts/task_riscv_microtvm.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# 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.
+
+set -euxo pipefail
+
+source tests/scripts/setup-pytest-env.sh
+
+make cython3
+
+# NOTE: this exists to ensure some tests run on RISC-V image. Without it, Jenkins reports a configuration error.
+# This line can be removed when RISC-V tests are added.
+run_pytest ctypes riscv-platform-minimal-test-0 tests/python/all-platform-minimal-test