diff --git a/bootloader_message/misctrl_main.cpp b/bootloader_message/misctrl_main.cpp
new file mode 100644
index 0000000..ddaa999
--- /dev/null
+++ b/bootloader_message/misctrl_main.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed 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.
+ */
+#include <bootloader_message/bootloader_message.h>
+#include <log/log.h>
+
+#include <string>
+
+#include <cstdio>
+
+static void log(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
+static void log(const char* fmt, ...) {
+  va_list va;
+  va_start(va, fmt);
+
+  va_list vb;
+  va_copy(vb, va);
+
+  __android_log_vprint(ANDROID_LOG_ERROR, "misctrl", fmt, va);
+  va_end(va);
+
+  vfprintf(stderr, fmt, vb);
+  fprintf(stderr, "\n");
+  va_end(vb);
+}
+
+static int check_reserved_space() {
+  bool empty;
+  std::string err;
+  bool success = CheckReservedSystemSpaceEmpty(&empty, &err);
+  if (!success) {
+    log("Could not read reserved space: %s", err.c_str());
+    return 1;
+  }
+  log("System reserved space empty? %d.", empty);
+
+  if (!err.empty()) {
+    constexpr size_t kPrintChunkSize = 256;
+    for (size_t i = 0; i < err.size(); i += kPrintChunkSize) {
+      log("DATA: %s", err.substr(i, kPrintChunkSize).c_str());
+    }
+  }
+
+  return empty ? 0 : 1;
+}
+
+int main() {
+  return check_reserved_space();
+}