Merge pull request The-OpenROAD-Project#69 from The-OpenROAD-Project-staging/make-bypass-floorplan

flow: bypass scripts that do not do anything when certain flags are set

Author: gadfort

flow/Makefile

@@ -375,12 +375,21 @@ $(RESULTS_DIR)/2_1_floorplan.def: $(RESULTS_DIR)/1_synth.v $(RESULTS_DIR)/1_synt
 # STEP 2: IO Placement (random)
 #-------------------------------------------------------------------------------
 $(RESULTS_DIR)/2_2_floorplan_io.def: $(RESULTS_DIR)/2_1_floorplan.def $(IO_CONSTRAINTS)
+ifeq ($(FOOTPRINT),)
 	($(TIME_CMD) $(OPENROAD_CMD) $(SCRIPTS_DIR)/io_placement_random.tcl -metrics $(LOG_DIR)/2_2_floorplan_io.json) 2>&1 | tee $(LOG_DIR)/2_2_floorplan_io.log
+else
+	cp $< $@
+endif
 
 # STEP 3: Timing Driven Mixed Sized Placement
 #-------------------------------------------------------------------------------
 $(RESULTS_DIR)/2_3_floorplan_tdms.def: $(RESULTS_DIR)/2_2_floorplan_io.def $(RESULTS_DIR)/1_synth.v $(RESULTS_DIR)/1_synth.sdc $(LIB_FILES)
+ifeq ($(MACRO_PLACEMENT),)
 	($(TIME_CMD) $(OPENROAD_CMD) $(SCRIPTS_DIR)/tdms_place.tcl -metrics $(LOG_DIR)/2_3_tdms.json) 2>&1 | tee $(LOG_DIR)/2_3_tdms_place.log
+else
+	$(info [INFO][FLOW] Using manual macro placement file $(MACRO_PLACEMENT))
+	cp $< $@
+endif
 
 # STEP 4: Macro Placement
 #-------------------------------------------------------------------------------
@@ -428,7 +437,11 @@ $(RESULTS_DIR)/3_1_place_gp.def: $(RESULTS_DIR)/2_floorplan.def $(RESULTS_DIR)/2
 # STEP 2: IO placement (non-random)
 #-------------------------------------------------------------------------------
 $(RESULTS_DIR)/3_2_place_iop.def: $(RESULTS_DIR)/3_1_place_gp.def $(IO_CONSTRAINTS)
+ifeq ($(FOOTPRINT),)
 	($(TIME_CMD) $(OPENROAD_CMD) $(SCRIPTS_DIR)/io_placement.tcl -metrics $(LOG_DIR)/3_2_place_iop.json) 2>&1 | tee $(LOG_DIR)/3_2_place_iop.log
+else
+	cp $< $@
+endif
 
 # STEP 3: Resizing & Buffering
 #-------------------------------------------------------------------------------

flow/scripts/io_placement.tcl

@@ -19,14 +19,12 @@ if {![info exists standalone] || $standalone} {
   puts "Starting io placement"
 }
 
-if {![info exists ::env(FOOTPRINT)]} {
-  if {[info exists ::env(IO_CONSTRAINTS)]} {
-    source $::env(IO_CONSTRAINTS)
-  }
-  place_pins -hor_layer $::env(IO_PLACER_H) \
-             -ver_layer $::env(IO_PLACER_V) \
-             {*}$::env(PLACE_PINS_ARGS)
+if {[info exists ::env(IO_CONSTRAINTS)]} {
+  source $::env(IO_CONSTRAINTS)
 }
+place_pins -hor_layer $::env(IO_PLACER_H) \
+           -ver_layer $::env(IO_PLACER_V) \
+           {*}$::env(PLACE_PINS_ARGS)
 
 if {![info exists standalone] || $standalone} {
   # write output

flow/scripts/io_placement_random.tcl

@@ -19,15 +19,13 @@ if {![info exists standalone] || $standalone} {
   puts "Starting random IO placement"
 }
 
-if {![info exists ::env(FOOTPRINT)]} {
-  if {[info exists ::env(IO_CONSTRAINTS)]} {
-    source $::env(IO_CONSTRAINTS)
-  }
-  place_pins -hor_layer $::env(IO_PLACER_H) \
-             -ver_layer $::env(IO_PLACER_V) \
-             -random \
-             {*}$::env(PLACE_PINS_ARGS)
+if {[info exists ::env(IO_CONSTRAINTS)]} {
+  source $::env(IO_CONSTRAINTS)
 }
+place_pins -hor_layer $::env(IO_PLACER_H) \
+           -ver_layer $::env(IO_PLACER_V) \
+           -random \
+           {*}$::env(PLACE_PINS_ARGS)
 
 if {![info exists standalone] || $standalone} {
   # write output

flow/scripts/tdms_place.tcl

@@ -43,14 +43,12 @@ proc find_macros {} {
 source $::env(PLATFORM_DIR)/setRC.tcl
 set_dont_use $::env(DONT_USE_CELLS)
 
-if {[info exists ::env(MACRO_PLACEMENT)]} {
-    puts "\[INFO\]\[FLOW-xxxx\] Using manual macro placement file $::env(MACRO_PLACEMENT)"
-} elseif {[find_macros] != ""} {
-    global_placement -density $::env(PLACE_DENSITY) \
-                     -pad_left $::env(CELL_PAD_IN_SITES_GLOBAL_PLACEMENT) \
-                     -pad_right $::env(CELL_PAD_IN_SITES_GLOBAL_PLACEMENT)
+if {[find_macros] != ""} {
+  global_placement -density $::env(PLACE_DENSITY) \
+                   -pad_left $::env(CELL_PAD_IN_SITES_GLOBAL_PLACEMENT) \
+                   -pad_right $::env(CELL_PAD_IN_SITES_GLOBAL_PLACEMENT)
 } else {
-    puts "No macros found: Skipping global_placement"
+  puts "No macros found: Skipping global_placement"
 }