Merge pull request The-OpenROAD-Project#9181 from luis201420/grt_add_flags_to_repair_antennas

GRT: add options for repair antennas

Author: eder-matheus

src/grt/include/grt/GlobalRouter.h

@@ -201,6 +201,8 @@ class GlobalRouter
   int repairAntennas(odb::dbMTerm* diode_mterm,
                      int iterations,
                      float ratio_margin,
+                     bool jumper_only,
+                     bool diode_only,
                      int num_threads = 1);
   void updateResources(const int& init_x,
                        const int& init_y,

src/grt/src/GlobalRouter.cpp

@@ -448,6 +448,8 @@ void GlobalRouter::updateDbCongestion()
 int GlobalRouter::repairAntennas(odb::dbMTerm* diode_mterm,
                                  int iterations,
                                  float ratio_margin,
+                                 bool jumper_only,
+                                 bool diode_only,
                                  const int num_threads)
 {
   if (!initialized_ || haveDetailedRoutes()) {
@@ -504,7 +506,7 @@ int GlobalRouter::repairAntennas(odb::dbMTerm* diode_mterm,
     // if run in GRT and it need run jumper insertion
     std::vector<odb::dbNet*> nets_with_jumpers;
     if (!haveDetailedRoutes(nets_to_repair)
-        && repair_antennas_->hasNewViolations()) {
+        && repair_antennas_->hasNewViolations() && !diode_only) {
       // Run jumper insertion and clean
       repair_antennas_->jumperInsertion(routes_,
                                         grid_->getTileSize(),
@@ -523,7 +525,7 @@ int GlobalRouter::repairAntennas(odb::dbMTerm* diode_mterm,
                                                      num_threads);
       updateDbCongestion();
     }
-    if (violations) {
+    if (violations && !jumper_only) {
       IncrementalGRoute incr_groute(this, block_);
       repair_antennas_->repairAntennas(diode_mterm);
       total_diodes_count_ += repair_antennas_->getDiodesCount();

src/grt/src/GlobalRouter.i

@@ -165,10 +165,10 @@ route_layer_lengths(odb::dbNet* db_net)
 }
 
 int
-repair_antennas(odb::dbMTerm* diode_mterm, int iterations, float ratio_margin)
+repair_antennas(odb::dbMTerm* diode_mterm, int iterations, float ratio_margin, bool jumper_only, bool diode_only)
 {
   const int num_threads = ord::OpenRoad::openRoad()->getThreadCount();
-  return getGlobalRouter()->repairAntennas(diode_mterm, iterations, ratio_margin, num_threads);
+  return getGlobalRouter()->repairAntennas(diode_mterm, iterations, ratio_margin, jumper_only, diode_only, num_threads);
 }
 
 void

src/grt/src/GlobalRouter.tcl

@@ -241,11 +241,14 @@ proc global_route { args } {
 
 sta::define_cmd_args "repair_antennas" { diode_cell \
                                          [-iterations iterations] \
-                                         [-ratio_margin ratio_margin]}
+                                         [-ratio_margin ratio_margin] \
+                                         [-jumper_only] \
+                                         [-diode_only] \
+                                         [-allow_congestion]}
 
 proc repair_antennas { args } {
   sta::parse_key_args "repair_antennas" args \
-    keys {-iterations -ratio_margin} flags {}
+    keys {-iterations -ratio_margin} flags {-jumper_only -diode_only -allow_congestion}
   if { [ord::get_db_block] == "NULL" } {
     utl::error GRT 104 "No design block found."
   }
@@ -285,6 +288,16 @@ proc repair_antennas { args } {
       sta::check_positive_integer "-iterations" $iterations
     }
 
+    set allow_congestion [info exists flags(-allow_congestion)]
+    grt::set_allow_congestion $allow_congestion
+
+    set jumper_only [info exists flags(-jumper_only)]
+    set diode_only [info exists flags(-diode_only)]
+
+    if { $jumper_only && $diode_only } {
+      utl::error GRT 294 "Only use either -jumper_only or -diode_only flag"
+    }
+
     set ratio_margin 0
     if { [info exists keys(-ratio_margin)] } {
       set ratio_margin $keys(-ratio_margin)
@@ -293,7 +306,7 @@ proc repair_antennas { args } {
       }
     }
 
-    return [grt::repair_antennas $diode_mterm $iterations $ratio_margin]
+    return [grt::repair_antennas $diode_mterm $iterations $ratio_margin $jumper_only $diode_only]
   } else {
     utl::error GRT 45 "Run global_route before repair_antennas."
   }

src/grt/test/BUILD

@@ -72,6 +72,9 @@ TESTS = [
     "repair_antennas4",
     "repair_antennas_error1",
     "repair_antennas_error2",
+    "repair_antennas_only_diodes",
+    "repair_antennas_only_jumpers",
+    "repair_antennas_allow_congestion",
     "report_wire_length1",
     "report_wire_length2",
     "report_wire_length3",

src/grt/test/CMakeLists.txt

@@ -70,6 +70,9 @@ or_integration_tests(
     repair_antennas4
     repair_antennas_error1
     repair_antennas_error2
+    repair_antennas_only_diodes
+    repair_antennas_only_jumpers
+    repair_antennas_allow_congestion
     report_wire_length1
     report_wire_length2
     report_wire_length3

src/grt/test/repair_antennas1.py

@@ -21,7 +21,7 @@
 ant = design.getAntennaChecker()
 
 ant.checkAntennas()
-gr.repairAntennas(None, 1, 0)
+gr.repairAntennas(None, 1, 0, False, False)
 ant.checkAntennas()
 
 design.evalTclString("check_placement")