#include "kernel/register.h"
 #include "kernel/sigtools.h"
 #include "kernel/celltypes.h"
+#include "kernel/ffinit.h"
 #include "kernel/cost.h"
 #include "kernel/log.h"
 #include <stdlib.h>
 RTLIL::Module *module;
 std::vector<gate_t> signal_list;
 std::map<RTLIL::SigBit, int> signal_map;
-std::map<RTLIL::SigBit, RTLIL::State> signal_init;
+FfInitVals initvals;
 pool<std::string> enabled_gates;
 bool recover_init, cmos_cost;
 
                gate.in4 = -1;
                gate.is_port = false;
                gate.bit = bit;
-               if (signal_init.count(bit))
-                       gate.init = signal_init.at(bit);
-               else
-                       gate.init = State::Sx;
+               gate.init = initvals(bit);
                signal_list.push_back(gate);
                signal_map[bit] = gate.id;
        }
                assign_map.clear();
                signal_list.clear();
                signal_map.clear();
-               signal_init.clear();
+               initvals.clear();
                pi_map.clear();
                po_map.clear();
 
                        }
 
                        assign_map.set(mod);
-                       signal_init.clear();
-
-                       for (Wire *wire : mod->wires())
-                               if (wire->attributes.count(ID::init)) {
-                                       SigSpec initsig = assign_map(wire);
-                                       Const initval = wire->attributes.at(ID::init);
-                                       for (int i = 0; i < GetSize(initsig) && i < GetSize(initval); i++)
-                                               switch (initval[i]) {
-                                                       case State::S0:
-                                                               signal_init[initsig[i]] = State::S0;
-                                                               break;
-                                                       case State::S1:
-                                                               signal_init[initsig[i]] = State::S1;
-                                                               break;
-                                                       default:
-                                                               break;
-                                               }
-                               }
+                       initvals.set(&assign_map, mod);
 
                        if (!dff_mode || !clk_str.empty()) {
                                abc_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, dff_mode, clk_str, keepff,
                assign_map.clear();
                signal_list.clear();
                signal_map.clear();
-               signal_init.clear();
+               initvals.clear();
                pi_map.clear();
                po_map.clear();