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# 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 0.18um MCU DRC RULE DECK (MCELL) ------------------------------------------------------------
#=============================================================================================================================================================
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 -------------------
#================================================
# optional for a batch launch : klayout -b -r gf180mcu.drc -rd input=design.gds -rd report=gf180mcu_main.lyrdb
logger.info("Starting running GF180MCU Klayout DRC runset on %s" % [$input])
if $input
if $topcell
source($input, $topcell)
else
source($input)
end
end
logger.info("Loading database to memory is complete.")
if $report
logger.info("GF180MCU Klayout DRC runset output at: %s" % [$report])
report("DRC Run Report at", $report)
else
logger.info("GF180MCU Klayout DRC runset output at default location." % [File.join(File.dirname(RBA::CellView::active.filename), "gf180_drc.lyrdb").path])
report("DRC Run Report at", File.join(File.dirname(RBA::CellView::active.filename), "gf180_drc.lyrdb"))
end
if $thr
logger.info("Number of threads to use %s" % [$thr])
threads($thr)
else
logger.info("Number of threads to use 16")
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
#================================================
#------------- LAYERS DEFINITIONS ---------------
#================================================
v5_xtor = polygons(112, 1 )
dualgate = polygons(55 , 0 )
poly2 = polygons(30 , 0 )
nplus = polygons(32 , 0 )
pplus = polygons(31 , 0 )
comp = polygons(22 , 0 )
mcell_feol_mk = polygons(11 , 17)
logger.info("Starting deriving base layers.")
#================================================
#------------- LAYERS DERIVATIONS ---------------
#================================================
ncomp = comp & nplus
pcomp = comp & pplus
tgate = poly2 & comp
ngate = nplus & tgate
pgate = pplus & tgate
#================================================
#------------------ SWITCHES --------------------
#================================================
logger.info("Evaluate switches.")
# FEOL
if $feol == "false"
FEOL = $feol
logger.info("FEOL is disabled.")
else
FEOL = "true"
logger.info("FEOL is enabled.")
end # FEOL
# BEOL
if $beol == "false"
BEOL = $beol
logger.info("BEOL is disabled.")
else
BEOL = "true"
logger.info("BEOL is enabled.")
end # BEOL
# connectivity rules
if $conn_drc == "true"
CONNECTIVITY_RULES = $conn_drc
logger.info("connectivity rules are enabled.")
else
CONNECTIVITY_RULES = false
logger.info("connectivity rules are disabled.")
end # connectivity rules
# METAL_TOP
if $metal_top
METAL_TOP = $metal_top
else
METAL_TOP = "9K"
end # METAL_TOP
logger.info("METAL_TOP Selected is %s" % [METAL_TOP])
# METAL_LEVEL
if $metal_level
METAL_LEVEL = $metal_level
else
METAL_LEVEL = "6LM"
end # METAL_LEVEL
logger.info("METAL_STACK Selected is %s" % [METAL_LEVEL])
# WEDGE
if $wedge == "false"
WEDGE = $wedge
else
WEDGE = "true"
end # WEDGE
logger.info("Wedge enabled %s" % [WEDGE])
# BALL
if $ball == "false"
BALL = $ball
else
BALL = "true"
end # BALL
logger.info("Ball enabled %s" % [BALL])
# GOLD
if $gold == "false"
GOLD = $gold
else
GOLD = "true"
end # GOLD
logger.info("Gold enabled %s" % [GOLD])
if $mim_option
MIM_OPTION = $mim_option
else
MIM_OPTION = "Nan"
end
logger.info("MIM Option selected %s" % [MIM_OPTION])
# OFFGRID
if $offgrid == "false"
OFFGRID = false
else
OFFGRID = true
end # OFFGRID
logger.info("Offgrid enabled %s" % [OFFGRID])
#================================================
#---------------------MCELL----------------------
#================================================
# Rule MC.1: min. mcell width is 0.4µm
logger.info("Executing rule MC.1")
mc1_l1 = mcell_feol_mk.width(0.4.um, euclidian).polygons(0.001)
mc1_l1.output("MC.1", "MC.1 : min. mcell width : 0.4µm")
mc1_l1.forget
# Rule MC.2: min. mcell spacing is 0.4µm
logger.info("Executing rule MC.2")
mc2_l1 = mcell_feol_mk.space(0.4.um, euclidian).polygons(0.001)
mc2_l1.output("MC.2", "MC.2 : min. mcell spacing : 0.4µm")
mc2_l1.forget
# Rule MC.3: Minimum Mcell area is 0.35µm²
logger.info("Executing rule MC.3")
mc3_l1 = mcell_feol_mk.with_area(nil, 0.35.um)
mc3_l1.output("MC.3", "MC.3 : Minimum Mcell area : 0.35µm²")
mc3_l1.forget
# Rule MC.4: Minimum area enclosed by Mcell is 0.35µm²
logger.info("Executing rule MC.4")
mc4_l1 = mcell_feol_mk.holes.with_area(nil, 0.35.um)
mc4_l1.output("MC.4", "MC.4 : Minimum area enclosed by Mcell : 0.35µm²")
mc4_l1.forget
exec_end_time = Time.now
run_time = exec_end_time - exec_start_time
logger.info("DRC Run time %f seconds" % [run_time])