makefile: break out time consuming metrics in separate target

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/Makefile

@@ -595,6 +595,7 @@ endef
 # STEP 1: Translate verilog to odb
 #-------------------------------------------------------------------------------
 $(eval $(call do-step,2_1_floorplan,$(RESULTS_DIR)/1_synth.v $(RESULTS_DIR)/1_synth.sdc $(TECH_LEF) $(SC_LEF) $(ADDITIONAL_LEFS) $(FOOTPRINT) $(SIG_MAP_FILE) $(FOOTPRINT_TCL) $(DONT_USE_SC_LIB),floorplan))
+$(eval $(call do-step,2_1_floorplan_metrics,$(RESULTS_DIR)/2_1_floorplan.odb $(RESULTS_DIR)/2_1_floorplan.sdc,floorplan-metrics))
 
 # STEP 2: Random IO placement
 #-------------------------------------------------------------------------------

flow/scripts/floorplan-metrics.tcl

@@ -0,0 +1,6 @@
+utl::set_metrics_stage "floorplan__{}"
+source $::env(SCRIPTS_DIR)/load.tcl
+erase_non_stage_variables floorplan
+load_design 2_1_floorplan.odb 2_1_floorplan.sdc
+
+report_metrics 2 "floorplan final" false false

flow/scripts/floorplan.tcl

@@ -149,7 +149,6 @@ if { [env_var_equals RESYNTH_TIMING_RECOVER 1] } {
 puts "Default units for flow"
 report_units
 report_units_metric
-report_metrics 2 "floorplan final" false false
 
 if { [env_var_equals RESYNTH_AREA_RECOVER 1] } {