rules/klayout/drc/gf180mcu_density.drc - globalfoundries-pdk/libs/gf180mcu_fd_pr - Git at Google

 # Copyright 2022 GlobalFoundries PDK Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.

 #===========================================================================================================================
 #------------------------------------------- GF 0.18 um MCU DRC RULE DECK --------------------------------------------------
 #===========================================================================================================================

 require 'time'
 require "logger"

 exec_start_time = Time.now

 logger = Logger.new(STDOUT)

 logger.formatter = proc do |severity, datetime, progname, msg|
   "#{datetime}: Memory Usage (" + `pmap #{Process.pid} | tail -1`[10,40].strip + ") : #{msg}
 "
 end

 #=========================================
 #------------ FILE SETUP -----------------
 #=========================================

 # optionnal for a batch launch :   klayout -b -r gf_018mcu_density.drc -rd input=design.gds -rd report=gf180_ant_drc.txt

 logger.info("Starting running GF180MCU Klayout density checks DRC runset on %s" % [$input])

 if $input
     source($input, $topcell)
 end

 logger.info("Loading database to memory is complete.")


 if $report
     logger.info("GF180MCU Klayout density checks DRC runset output at: %s" % [$report])
     report("GF180 DENSITY DRC runset", $report)
 else
     logger.info("GF180MCU Klayout density checks DRC runset output at default location." % [File.join(File.dirname(RBA::CellView::active.filename), "gf180mcu_density.lyrdb").path])
     report("GF180 DRC runset", File.join(File.dirname(RBA::CellView::active.filename), "gf180mcu_density.lyrdb"))
 end

 if $thr
     threads($thr)
 else
     threads(16)
 end

 # === TILING MODE ===
 if $run_mode == "tiling"
     # use a tile size of 1mm - not used in deep mode-
     # tiles(500.um)
     # use a tile border of 10 micron:
     # tile_borders(10.um)
     tiles(1000)
     logger.info("Tiling  mode is enabled.")

 elsif $run_mode == "deep"
     #=== HIER MODE ===
     deep
     logger.info("deep  mode is enabled.")

 elsif $run_mode == "flat"
     #=== FLAT MODE ===
     flat
     logger.info("flat  mode is enabled.")

 else
     #=== FLAT MODE ===
     flat
     logger.info("flat  mode is enabled.")

 end # run_mode

 #======================================================================================================
 #--------------------------------------- LAYER DEFINITIONS --------------------------------------------
 #======================================================================================================

 poly2           = polygons(30,  0)
 metal1          = polygons(34,  0)
 metal2          = polygons(36,  0)
 metal3          = polygons(42,  0)
 metal4          = polygons(46,  0)
 metal5          = polygons(81,  0)
 metaltop        = polygons(53,  0)

 #======================================================================================================
 #--------------------------------------- LAYER DERIVATIONS --------------------------------------------
 #======================================================================================================

 # === LAYOUT EXTENT ===
 CHIP = extent.sized(0.0)

 #=======================================================================================
 #------------------------------------- SWITCHES ----------------------------------------
 #=======================================================================================

 logger.info("Evaluate switches.")

 # METAL_TOP
 if $metal_top
     METAL_TOP = $metal_top
 else
     METAL_TOP = "9K"
 end

 logger.info("METAL_TOP Selected is %s" % [METAL_TOP])


 #=========================================================================================================================
 #---------------------------------------------------- MAIN RUNSET --------------------------------------------------------
 #=========================================================================================================================

 logger.info("Starting GF180MCU DENSITY DRC rules.")


 logger.info("Executing rule PL.8")
 # Rule PL.8: Poly2 coverage over the entire die shall be 14%. Dummy poly2 lines must be added to meet the minimum poly2 density requirement.
 if ((poly2.area / CHIP.area)*100 < 14)
     poly2.output("PL.8", "PL.8 : Poly2 coverage over the entire die shall be 14%. Dummy poly2 lines must be added to meet the minimum poly2 density requirement. : 14%")
 end

 logger.info("Executing rule M1.4")
 # Rule M1.4: Metal1 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal1 coverage)
 if ((metal1.area / CHIP.area)*100 < 30)
     metal1.output("M1.4", "M1.4 : Metal1 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal1 coverage) : 30%")
 end

 logger.info("Executing rule M2.4")
 # Rule M2.4: Metal2 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal2 coverage)
 if ((metal2.area / CHIP.area)*100 < 30)
     metal2.output("M2.4", "M2.4 : Metal2 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal2 coverage) : 30%")
 end

 logger.info("Executing rule M3.4")
 # Rule M3.4: metal3 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal3 coverage)
 if ((metal3.area / CHIP.area)*100 < 30)
     metal3.output("M3.4", "M3.4 : metal3 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal3 coverage) : 30%")
 end

 logger.info("Executing rule M4.4")
 # Rule M4.4: metal4 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal4 coverage)
 if ((metal4.area / CHIP.area)*100 < 30)
     metal4.output("M4.4", "M4.4 : metal4 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal4 coverage) : 30%")
 end

 logger.info("Executing rule M5.4")
 # Rule M5.4: metal5 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal5 coverage)
 if ((metal5.area / CHIP.area)*100 < 30)
     metal5.output("M5.4", "M5.4 : metal5 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal5 coverage) : 30%")
 end

 if METAL_TOP == "6K"
     logger.info("Executing rule MT.3")
     # Rule MT.3: MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage)
     if ((metaltop.area / CHIP.area)*100 < 30)
         metaltop.output("MT.3", "MT.3 : MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage) : 30%")
     end

 elsif METAL_TOP == "9K"
     logger.info("Executing rule MT.3")
     # Rule MT.3: MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage)
     if ((metaltop.area / CHIP.area)*100 < 30)
     metaltop.output("MT.3", "MT.3 : MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage) : 30%")
     end

 elsif METAL_TOP == "30K"
     logger.info("Executing rule MT30.7")
     # Rule MT30.7: Thick MetalTop coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage).
     if ((metaltop.area / CHIP.area)*100 < 30)
     metaltop.output("MT30.7", "MT30.7 : Thick MetalTop coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage). : 30%")
     end

 end #METAL_TOP

 exec_end_time = Time.now
 run_time = exec_end_time - exec_start_time
 logger.info("DRC Total Run time %f seconds" % [run_time])


 #===================================
 #--------------- END ---------------
 #===================================
	# Copyright 2022 GlobalFoundries PDK Authors
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# https://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	#===========================================================================================================================
	#------------------------------------------- GF 0.18 um MCU DRC RULE DECK --------------------------------------------------
	#===========================================================================================================================

	require 'time'
	require "logger"

	exec_start_time = Time.now

	logger = Logger.new(STDOUT)

	logger.formatter = proc do \|severity, datetime, progname, msg\|
	"#{datetime}: Memory Usage (" + `pmap #{Process.pid} \| tail -1`[10,40].strip + ") : #{msg}
	"
	end

	#=========================================
	#------------ FILE SETUP -----------------
	#=========================================

	# optionnal for a batch launch : klayout -b -r gf_018mcu_density.drc -rd input=design.gds -rd report=gf180_ant_drc.txt

	logger.info("Starting running GF180MCU Klayout density checks DRC runset on %s" % [$input])

	if $input
	source($input, $topcell)
	end

	logger.info("Loading database to memory is complete.")


	if $report
	logger.info("GF180MCU Klayout density checks DRC runset output at: %s" % [$report])
	report("GF180 DENSITY DRC runset", $report)
	else
	logger.info("GF180MCU Klayout density checks DRC runset output at default location." % [File.join(File.dirname(RBA::CellView::active.filename), "gf180mcu_density.lyrdb").path])
	report("GF180 DRC runset", File.join(File.dirname(RBA::CellView::active.filename), "gf180mcu_density.lyrdb"))
	end

	if $thr
	threads($thr)
	else
	threads(16)
	end

	# === TILING MODE ===
	if $run_mode == "tiling"
	# use a tile size of 1mm - not used in deep mode-
	# tiles(500.um)
	# use a tile border of 10 micron:
	# tile_borders(10.um)
	tiles(1000)
	logger.info("Tiling mode is enabled.")

	elsif $run_mode == "deep"
	#=== HIER MODE ===
	deep
	logger.info("deep mode is enabled.")

	elsif $run_mode == "flat"
	#=== FLAT MODE ===
	flat
	logger.info("flat mode is enabled.")

	else
	#=== FLAT MODE ===
	flat
	logger.info("flat mode is enabled.")

	end # run_mode

	#======================================================================================================
	#--------------------------------------- LAYER DEFINITIONS --------------------------------------------
	#======================================================================================================

	poly2 = polygons(30, 0)
	metal1 = polygons(34, 0)
	metal2 = polygons(36, 0)
	metal3 = polygons(42, 0)
	metal4 = polygons(46, 0)
	metal5 = polygons(81, 0)
	metaltop = polygons(53, 0)

	#======================================================================================================
	#--------------------------------------- LAYER DERIVATIONS --------------------------------------------
	#======================================================================================================

	# === LAYOUT EXTENT ===
	CHIP = extent.sized(0.0)

	#=======================================================================================
	#------------------------------------- SWITCHES ----------------------------------------
	#=======================================================================================

	logger.info("Evaluate switches.")

	# METAL_TOP
	if $metal_top
	METAL_TOP = $metal_top
	else
	METAL_TOP = "9K"
	end

	logger.info("METAL_TOP Selected is %s" % [METAL_TOP])


	#=========================================================================================================================
	#---------------------------------------------------- MAIN RUNSET --------------------------------------------------------
	#=========================================================================================================================

	logger.info("Starting GF180MCU DENSITY DRC rules.")


	logger.info("Executing rule PL.8")
	# Rule PL.8: Poly2 coverage over the entire die shall be 14%. Dummy poly2 lines must be added to meet the minimum poly2 density requirement.
	if ((poly2.area / CHIP.area)*100 < 14)
	poly2.output("PL.8", "PL.8 : Poly2 coverage over the entire die shall be 14%. Dummy poly2 lines must be added to meet the minimum poly2 density requirement. : 14%")
	end

	logger.info("Executing rule M1.4")
	# Rule M1.4: Metal1 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal1 coverage)
	if ((metal1.area / CHIP.area)*100 < 30)
	metal1.output("M1.4", "M1.4 : Metal1 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal1 coverage) : 30%")
	end

	logger.info("Executing rule M2.4")
	# Rule M2.4: Metal2 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal2 coverage)
	if ((metal2.area / CHIP.area)*100 < 30)
	metal2.output("M2.4", "M2.4 : Metal2 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metal2 coverage) : 30%")
	end

	logger.info("Executing rule M3.4")
	# Rule M3.4: metal3 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal3 coverage)
	if ((metal3.area / CHIP.area)*100 < 30)
	metal3.output("M3.4", "M3.4 : metal3 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal3 coverage) : 30%")
	end

	logger.info("Executing rule M4.4")
	# Rule M4.4: metal4 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal4 coverage)
	if ((metal4.area / CHIP.area)*100 < 30)
	metal4.output("M4.4", "M4.4 : metal4 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal4 coverage) : 30%")
	end

	logger.info("Executing rule M5.4")
	# Rule M5.4: metal5 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal5 coverage)
	if ((metal5.area / CHIP.area)*100 < 30)
	metal5.output("M5.4", "M5.4 : metal5 coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal fill guidelines. Customer needs to ensure enough dummy metal to satisfy metal5 coverage) : 30%")
	end

	if METAL_TOP == "6K"
	logger.info("Executing rule MT.3")
	# Rule MT.3: MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage)
	if ((metaltop.area / CHIP.area)*100 < 30)
	metaltop.output("MT.3", "MT.3 : MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage) : 30%")
	end

	elsif METAL_TOP == "9K"
	logger.info("Executing rule MT.3")
	# Rule MT.3: MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage)
	if ((metaltop.area / CHIP.area)*100 < 30)
	metaltop.output("MT.3", "MT.3 : MetalTop coverage over the entire die shall be >30% (Refer to section 10.3 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage) : 30%")
	end

	elsif METAL_TOP == "30K"
	logger.info("Executing rule MT30.7")
	# Rule MT30.7: Thick MetalTop coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage).
	if ((metaltop.area / CHIP.area)*100 < 30)
	metaltop.output("MT30.7", "MT30.7 : Thick MetalTop coverage over the entire die shall be >30% (Refer to section 13.0 for Dummy Metal-fill guidelines. Customer needs to ensure enough dummy metal to satisfy Metaln coverage). : 30%")
	end

	end #METAL_TOP

	exec_end_time = Time.now
	run_time = exec_end_time - exec_start_time
	logger.info("DRC Total Run time %f seconds" % [run_time])


	#===================================
	#--------------- END ---------------
	#===================================