sky130hd, sky130hs and ihp: Honor cell footprint in all sizing operations

Signed-off-by: Arthur Koucher <[email protected]>

Author: AcKoucher

flow/platforms/ihp-sg13g2/config.mk

@@ -56,6 +56,13 @@ export ABC_DRIVER_CELL = sg13g2_buf_4
 export ABC_LOAD_IN_FF = 6.0
 # Set yosys-abc clock period to first "clk_period" value or "-period" value found in sdc file
 export ABC_CLOCK_PERIOD_IN_PS ?= $(shell sed -nE "s/^set clk_period (.+)|.* -period (.+) .*/\1\2/p" $(SDC_FILE) | head -1 | awk '{print $$1*1000}')
+
+# -----------------------------------------------------
+#  Sizing
+# -----------------------------------------------------
+
+export MATCH_CELL_FOOTPRINT = 1
+
 #--------------------------------------------------------
 # Floorplan
 # -------------------------------------------------------

flow/platforms/sky130hd/config.mk

@@ -77,6 +77,13 @@ export ADDER_MAP_FILE ?= $(PLATFORM_DIR)/cells_adders_hd.v
 # Define ABC driver and load
 export ABC_DRIVER_CELL = sky130_fd_sc_hd__buf_1
 export ABC_LOAD_IN_FF = 5
+
+# -----------------------------------------------------
+#  Sizing
+# -----------------------------------------------------
+
+export MATCH_CELL_FOOTPRINT = 1
+
 #--------------------------------------------------------
 # Floorplan
 # -------------------------------------------------------

flow/platforms/sky130hs/config.mk

@@ -39,6 +39,13 @@ export ADDER_MAP_FILE ?= $(PLATFORM_DIR)/cells_adders_hs.v
 # Define ABC driver and load
 export ABC_DRIVER_CELL = sky130_fd_sc_hs__buf_1
 export ABC_LOAD_IN_FF = 5
+
+# -----------------------------------------------------
+#  Sizing
+# -----------------------------------------------------
+
+export MATCH_CELL_FOOTPRINT = 1
+
 #--------------------------------------------------------
 # Floorplan
 # -------------------------------------------------------