dpl: easier setting for using negotiation legalizer

Signed-off-by: Augusto Berndt <augusto.berndt@precisioninno.com>

Author: gudeh

flow/scripts/cts.tcl

@@ -46,7 +46,11 @@ set_placement_padding -global \
   -left $::env(CELL_PAD_IN_SITES_DETAIL_PLACEMENT) \
   -right $::env(CELL_PAD_IN_SITES_DETAIL_PLACEMENT)
 
-set result [catch { log_cmd detailed_placement } msg]
+if { [env_var_exists_and_non_empty USE_NEGOTIATION] && $::env(USE_NEGOTIATION) } {
+  set result [catch { log_cmd detailed_placement -use_negotiation } msg]
+} else {
+  set result [catch { log_cmd detailed_placement } msg]
+}  
 if { $result != 0 } {
   save_progress 4_1_error
   error "Detailed placement failed in CTS: $msg"
@@ -70,7 +74,11 @@ if { !$::env(SKIP_CTS_REPAIR_TIMING) } {
     run_lec_test 4_rsz 4_before_rsz_lec.v 4_after_rsz_lec.v
   }
 
+if { [env_var_exists_and_non_empty USE_NEGOTIATION] && $::env(USE_NEGOTIATION) } {
+  set result [catch { log_cmd detailed_placement -use_negotiation } msg]
+} else {
   set result [catch { log_cmd detailed_placement } msg]
+}  
   if { $result != 0 } {
     save_progress 4_1_error
     error "Detailed placement failed in CTS: $msg"

flow/scripts/detail_place.tcl

@@ -15,7 +15,11 @@ proc do_dpl { } {
   set_placement_padding -global \
     -left $::env(CELL_PAD_IN_SITES_DETAIL_PLACEMENT) \
     -right $::env(CELL_PAD_IN_SITES_DETAIL_PLACEMENT)
-  log_cmd detailed_placement {*}[env_var_or_empty DETAIL_PLACEMENT_ARGS]
+  if { [env_var_exists_and_non_empty USE_NEGOTIATION] && $::env(USE_NEGOTIATION) } {
+    log_cmd detailed_placement -use_negotiation {*}[env_var_or_empty DETAIL_PLACEMENT_ARGS]
+  } else {
+    log_cmd detailed_placement {*}[env_var_or_empty DETAIL_PLACEMENT_ARGS]
+  }
 
   if { $::env(ENABLE_DPO) } {
     if { [env_var_exists_and_non_empty DPO_MAX_DISPLACEMENT] } {

flow/scripts/global_route.tcl

@@ -62,7 +62,11 @@ proc global_route_helper { } {
     # Running DPL to fix overlapped instances
     # Run to get modified net by DPL
     log_cmd global_route -start_incremental
-    log_cmd detailed_placement
+    if { [env_var_exists_and_non_empty USE_NEGOTIATION] && $::env(USE_NEGOTIATION) } {
+      log_cmd detailed_placement -use_negotiation
+    } else {
+      log_cmd detailed_placement
+    }  
     # Route only the modified net by DPL
     log_cmd global_route -end_incremental {*}$res_aware \
       -congestion_report_file $::env(REPORTS_DIR)/congestion_post_repair_design.rpt
@@ -80,7 +84,11 @@ proc global_route_helper { } {
     # Running DPL to fix overlapped instances
     # Run to get modified net by DPL
     log_cmd global_route -start_incremental
-    log_cmd detailed_placement
+    if { [env_var_exists_and_non_empty USE_NEGOTIATION] && $::env(USE_NEGOTIATION) } {
+      log_cmd detailed_placement -use_negotiation
+    } else {
+      log_cmd detailed_placement
+    }  
     check_placement -verbose
     # Route only the modified net by DPL
     log_cmd global_route -end_incremental {*}$res_aware \