[vpr][base] add read init place

Author: amin1377

vpr/src/base/SetupVPR.cpp

@@ -639,6 +639,8 @@ static void SetupPlacerOpts(const t_options& Options, t_placer_opts* PlacerOpts)
 
     PlacerOpts->write_initial_place_file = Options.write_initial_place_file;
 
+    PlacerOpts->read_initial_place_file = Options.read_initial_place_file;
+
     PlacerOpts->pad_loc_type = Options.pad_loc_type;
 
     PlacerOpts->place_chan_width = Options.PlaceChanWidth;

vpr/src/base/read_options.cpp

@@ -1632,6 +1632,11 @@ argparse::ArgumentParser create_arg_parser(const std::string& prog_name, t_optio
         .metavar("INITIAL_PLACE_FILE")
         .show_in(argparse::ShowIn::HELP_ONLY);
 
+    file_grp.add_argument(args.read_initial_place_file, "--read_initial_place_file")
+        .help("Writes out the the placement chosen by the initial placement algorithm to the specified file")
+        .metavar("INITIAL_PLACE_FILE")
+        .show_in(argparse::ShowIn::HELP_ONLY);
+
     file_grp.add_argument(args.read_vpr_constraints_file, "--read_vpr_constraints")
         .help("Reads the floorplanning constraints that packing and placement must respect from the specified XML file.")
         .show_in(argparse::ShowIn::HELP_ONLY);

vpr/src/base/read_options.h

@@ -29,6 +29,7 @@ struct t_options {
     argparse::ArgValue<std::string> write_rr_graph_file;
     argparse::ArgValue<std::string> read_rr_graph_file;
     argparse::ArgValue<std::string> write_initial_place_file;
+    argparse::ArgValue<std::string> read_initial_place_file;
     argparse::ArgValue<std::string> read_vpr_constraints_file;
     argparse::ArgValue<std::string> write_vpr_constraints_file;
     argparse::ArgValue<std::string> write_constraints_file;

vpr/src/base/vpr_types.h

@@ -1236,6 +1236,7 @@ struct t_placer_opts {
     enum e_pad_loc_type pad_loc_type;
     std::string constraints_file;
     std::string write_initial_place_file;
+    std::string read_initial_place_file;
     enum pfreq place_freq;
     int recompute_crit_iter;
     int inner_loop_recompute_divider;