Handle ERR in VexRiscV

See SpinalHDL/VexRiscv#399

clash-vexriscv/example-cpu/build.sbt

@@ -4,7 +4,7 @@
 
 import Dependencies._
 
-val spinalVersion = "1.7.1"
+val spinalVersion = "1.10.1"
 
 ThisBuild / scalaVersion     := "2.11.12"
 ThisBuild / version          := "0.1.0-SNAPSHOT"

clash-vexriscv/example-cpu/lib/update-vexriscv.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+"""
+Usage:
+
+    python3 update-vexriscv.py <commit_hash>
+"""
+# SPDX-FileCopyrightText: 2022 Google LLC
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import glob
+import os
+import shutil
+import subprocess
+import sys
+import tempfile
+
+LICENSE = """
+SPDX-FileCopyrightText: 2016 Spinal HDL contributors
+
+SPDX-License-Identifier: MIT
+""".lstrip()
+
+VEXRISCV_REPO = "https://github.com/SpinalHDL/VexRiscv.git"
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+
+def main(commit_hash):
+    # Remove old JAR in current directory
+    for file in os.listdir(HERE):
+        if file.endswith((".jar", ".jar.license")):
+            os.remove(os.path.join(HERE, file))
+
+    with tempfile.TemporaryDirectory() as temp_dir:
+        # Build new JAR
+        subprocess.check_call(["git", "clone", VEXRISCV_REPO, temp_dir])
+        subprocess.check_call(["git", "checkout", commit_hash], cwd=temp_dir)
+        subprocess.check_call(["sbt", "package"], cwd=temp_dir)
+
+        # Find and copy new JAR
+        jar_path = glob.glob(os.path.join(temp_dir, "target", "scala-*", "vexriscv_*.jar"))[0]
+        jar_filename = os.path.basename(jar_path)
+        jar_base, jar_ext = os.path.splitext(jar_filename)
+        new_jar_filename = f"{jar_base}-{commit_hash}{jar_ext}"
+        shutil.copyfile(jar_path, os.path.join(HERE, new_jar_filename))
+
+        # Write license file
+        with open(os.path.join(HERE, f"{new_jar_filename}.license"), "w") as f:
+            f.write(LICENSE)
+
+
+if __name__ == '__main__':
+    main(sys.argv[1])