Merge pull request #3517 from The-OpenROAD-Project-staging/add_place_repair_timing

add make target for repair_timing post-placement

Author: maliberty

flow/Makefile

@@ -463,6 +463,12 @@ $(eval $(call do-copy,3_place,2_floorplan.sdc,,.sdc))
 do-place:
 	$(UNSET_AND_MAKE) do-3_1_place_gp_skip_io do-3_2_place_iop do-3_3_place_gp do-3_4_place_resized do-3_5_place_dp do-3_place do-3_place.sdc
 
+# Custom repair_timing target after placement  
+$(eval $(call do-step,3_6_place_repair_timing,$(RESULTS_DIR)/3_5_place_dp.odb $(RESULTS_DIR)/3_place.sdc,repair_timing_post_place))  
+  
+.PHONY: place_repair_timing  
+place_repair_timing: $(RESULTS_DIR)/3_6_place_repair_timing.odb
+
 # Clean Targets
 #-------------------------------------------------------------------------------
 .PHONY: clean_place

flow/scripts/repair_timing_post_place.tcl

@@ -0,0 +1,21 @@
+utl::set_metrics_stage "place_repair_timing__{}"
+source $::env(SCRIPTS_DIR)/load.tcl
+erase_non_stage_variables place
+load_design 3_5_place_dp.odb 3_place.sdc
+
+set_placement_padding -global \
+  -left $::env(CELL_PAD_IN_SITES_DETAIL_PLACEMENT) \
+  -right $::env(CELL_PAD_IN_SITES_DETAIL_PLACEMENT)
+
+puts "Repair setup and hold violations"
+estimate_parasitics -placement
+log_cmd repair_timing -repair_tns $::env(TNS_END_PERCENT)
+
+# Legalize placement after timing repair
+detailed_placement
+
+puts "Estimate parasitics"
+estimate_parasitics -placement
+report_metrics 3 "place repair timing" true false
+
+write_db $::env(RESULTS_DIR)/3_6_place_repair_timing.odb