diff --git a/test/pdbg-sim-only.cpp b/test/pdbg-sim-only.cpp
new file mode 100644
index 0000000..efeee51
--- /dev/null
+++ b/test/pdbg-sim-only.cpp
@@ -0,0 +1,36 @@
+//------------------------------------------------------------------------------
+// IMPORTANT:
+// This file will ONLY be built in CI test and should be used for any functions
+// that require addition support to simulate in CI test. Any functions that will
+// work out-of-the-box in CI test with use of the fake device tree should be put
+// in `pdbg.cpp`.
+//------------------------------------------------------------------------------
+
+#include <assert.h>
+
+#include <util/pdbg.hpp>
+#include <util/trace.hpp>
+
+//------------------------------------------------------------------------------
+
+// Using this to fake the value returned from the simulation-only version of
+// util::pdbg::queryLpcTimeout().
+bool g_lpcTimeout = false;
+
+namespace util
+{
+namespace pdbg
+{
+
+// This is the simulated version of this function.
+bool queryLpcTimeout(pdbg_target* target)
+{
+    // Must be a processor target.
+    assert(TYPE_PROC == getTrgtType(target));
+
+    // Instead of the SBE chip-op, use the faked value.
+    return g_lpcTimeout;
+}
+
+} // namespace pdbg
+} // namespace util