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diff --git a/passes/fsm/fsm_info.cc b/passes/fsm/fsm_info.cc
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+/*
+ *  yosys -- Yosys Open SYnthesis Suite
+ *
+ *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
+ *  
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *  
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "kernel/log.h"
+#include "kernel/register.h"
+#include "kernel/sigtools.h"
+#include "kernel/consteval.h"
+#include "kernel/celltypes.h"
+#include "fsmdata.h"
+#include <string.h>
+
+struct FsmInfoPass : public Pass {
+	FsmInfoPass() : Pass("fsm_info") { }
+	virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
+	{
+		log_header("Executing FSM_INFO pass (dumping all available information on FSM cells).\n");
+		extra_args(args, 1, design);
+
+		for (auto &mod_it : design->modules)
+		for (auto &cell_it : mod_it.second->cells)
+			if (cell_it.second->type == "$fsm") {
+				log("\n");
+				log("FSM `%s' from module `%s':\n", cell_it.second->name.c_str(), mod_it.first.c_str());
+				FsmData fsm_data;
+				fsm_data.copy_from_cell(cell_it.second);
+				fsm_data.log_info(cell_it.second);
+			}
+	}
+} FsmInfoPass;
+