diff --git a/.github/workflows/test-precheck.yaml b/.github/workflows/test-precheck.yaml new file mode 100644 index 0000000..a89ba64 --- /dev/null +++ b/.github/workflows/test-precheck.yaml @@ -0,0 +1,48 @@ +name: Precheck Tests + +on: + push: + pull_request: + workflow_dispatch: + +jobs: + test-precheck: + runs-on: ubuntu-latest + env: + PDK_ROOT: /home/runner/pdk + PDK_VERSION: dd7771c384ed36b91a25e9f8b314355fc26561be + + steps: + - name: Check out code + uses: actions/checkout@v4 + + - name: Set up Python + uses: actions/setup-python@v4 + with: + python-version: '3.11' + cache: 'pip' + + - name: Install dependencies + working-directory: precheck + run: pip install -r requirements.txt + + - name: Install Sky130 PDK + uses: TinyTapeout/volare-action@v1 + with: + pdk_name: sky130 + pdk_version: ${{ env.PDK_VERSION }} + pdk_root: ${{ env.PDK_ROOT }} + + - name: Install Nix + uses: rikhuijzer/cache-install@v1.1.2 + with: + key: nix-${{ hashFiles('precheck/default.nix') }} + nix_file: 'precheck/default.nix' + + - name: Build Nix packages + working-directory: precheck + run: nix-build + + - name: Run tests + working-directory: precheck + run: nix-shell --run "pytest" diff --git a/precheck/.gitignore b/precheck/.gitignore new file mode 100644 index 0000000..375de91 --- /dev/null +++ b/precheck/.gitignore @@ -0,0 +1,2 @@ +__pycache__ +.pytest_cache diff --git a/precheck/default.nix b/precheck/default.nix new file mode 100644 index 0000000..ca87bef --- /dev/null +++ b/precheck/default.nix @@ -0,0 +1,11 @@ +{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/8f7a6554c058bfdae00f4fb36f5cd52838f410e7.tar.gz") + { } +, +}: + +pkgs.mkShell { + buildInputs = [ + pkgs.klayout + pkgs.magic-vlsi + ]; +} diff --git a/precheck/klayout_tools.py b/precheck/klayout_tools.py new file mode 100644 index 0000000..288a72b --- /dev/null +++ b/precheck/klayout_tools.py @@ -0,0 +1,42 @@ +import xml.etree.ElementTree as ET +from typing import Dict + + +class LayerInfo: + def __init__(self, name: str, source: str, layer: int, data_type: int): + self.name = name + self.source = source + self.layer = layer + self.data_type = data_type + + def __repr__(self): + return f"LayerInfo(name={self.name}, source={self.source}, layer={self.layer}, data_type={self.data_type})" + + +def parse_lyp_layers(lyp_file: str): + with open(lyp_file) as f: + xml_content = f.read() + root = ET.fromstring(xml_content) + + layers_dict: Dict[str, LayerInfo] = {} + + for properties in root.findall("properties"): + name = properties.find("name") + source = properties.find("source") + valid = properties.find("valid") + + if valid is not None and valid.text == "false": + continue + + if name is not None and source is not None: + name_key = name.text.split("-")[0].strip() + layer, data_type = source.text.split("@")[0].split("/") + # Add the 'source' text as the value in the dictionary + layers_dict[name_key] = LayerInfo( + name=name.text, + source=source.text, + layer=int(layer), + data_type=int(data_type), + ) + + return layers_dict diff --git a/precheck/magic_drc.tcl b/precheck/magic_drc.tcl new file mode 100644 index 0000000..c53d267 --- /dev/null +++ b/precheck/magic_drc.tcl @@ -0,0 +1,77 @@ +# SPDX-FileCopyrightText: 2020 Efabless Corporation +# +# 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 +# +# http://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. +# SPDX-License-Identifier: Apache-2.0 + + +set GDS_UT_PATH [lindex $argv 6] +set DESIGN_NAME [lindex $argv 7] +set PDK_PATH [lindex $argv 8] +set DRC_REPORT [lindex $argv 9] +set DRC_MAG [lindex $argv 10] + +gds read $GDS_UT_PATH + +set fout [open $DRC_REPORT w] +set oscale [cif scale out] +set cell_name $DESIGN_NAME +magic::suspendall +puts stdout "\[INFO\]: Loading $cell_name\n" +flush stdout +load $cell_name +select top cell +expand +drc euclidean on +drc style drc(full) +drc check +set drc_result [drc listall why] + + +set count 0 +puts $fout "$cell_name" +puts $fout "----------------------------------------" +foreach {errtype coordlist} $drc_result { + puts $fout $errtype + puts $fout "----------------------------------------" + foreach coord $coordlist { + set bllx [expr {$oscale * [lindex $coord 0]}] + set blly [expr {$oscale * [lindex $coord 1]}] + set burx [expr {$oscale * [lindex $coord 2]}] + set bury [expr {$oscale * [lindex $coord 3]}] + set coords [format " %.3f %.3f %.3f %.3f" $bllx $blly $burx $bury] + puts $fout "$coords" + set count [expr {$count + 1} ] + } + puts $fout "----------------------------------------" +} + +puts $fout "\[INFO\]: COUNT: $count" +puts $fout "\[INFO\]: Should be divided by 3 or 4" + +puts $fout "" +close $fout + +puts stdout "\[INFO\]: DRC Checking DONE ($DRC_REPORT)" +flush stdout + +if {$count > 0} { + puts stderr "\[ERROR\]: $count DRC errors found" + puts stdout "\[INFO\]: Saving mag view with DRC errors($DRC_MAG)" + # WARNING: changes the name of the cell; keep as last step + save $DRC_MAG + puts stdout "\[INFO\]: Saved" + flush stdout + exit -1 +} else { + exit 0 +} diff --git a/precheck/precheck.py b/precheck/precheck.py new file mode 100644 index 0000000..9349d65 --- /dev/null +++ b/precheck/precheck.py @@ -0,0 +1,121 @@ +#!/usr/bin/env python3 +import argparse +import logging +import os +import subprocess + +import klayout.db as pya +import klayout.rdb as rdb +from klayout_tools import parse_lyp_layers + +PDK_ROOT = os.getenv("PDK_ROOT") +PDK_NAME = os.getenv("PDK_NAME") or "sky130A" +LYP_FILE = f"{PDK_ROOT}/{PDK_NAME}/libs.tech/klayout/tech/{PDK_NAME}.lyp" +REPORTS_PATH = os.path.join(os.path.dirname(os.path.realpath(__file__)), "reports") + + +def magic_drc(gds: str, toplevel: str): + logging.info(f"Running magic DRC on {gds} (module={toplevel})") + + magic = subprocess.run( + [ + "magic", + "-noconsole", + "-dnull", + "-rcfile", + f"{PDK_ROOT}/{PDK_NAME}/libs.tech/magic/{PDK_NAME}.magicrc", + "magic_drc.tcl", + gds, + toplevel, + PDK_ROOT, + f"{REPORTS_PATH}/magic_drc.txt", + f"{REPORTS_PATH}/magic_drc.mag", + ], + ) + + if magic.returncode != 0: + logging.error("Magic DRC failed") + return False + + return True + + +def klayout_drc(gds: str, check: str): + logging.info(f"Running klayout {check} on {gds}") + report_file = f"{REPORTS_PATH}/drc_{check}.xml" + klayout = subprocess.run( + [ + "klayout", + "-b", + "-r", + f"tech-files/{PDK_NAME}_mr.drc", + "-rd", + f"{check}=true", + "-rd", + f"input={gds}", + "-rd", + f"report={report_file}", + ], + ) + if klayout.returncode != 0: + logging.error(f"Klayout {check} failed") + return False + + report = rdb.ReportDatabase().load(report_file) + + if report.num_items() > 0: + logging.error( + f"Klayout {check} failed with {report.num_items()} DRC violations" + ) + return False + + return True + + +def klayout_checks(gds: str): + layout = pya.Layout() + layout.read(gds) + layers = parse_lyp_layers(LYP_FILE) + + logging.info("Running forbidden layer check...") + forbidden_layers = [ + "met5.drawing", + "met5.pin", + "met5.label", + ] + + had_error = False + for layer in forbidden_layers: + layer_info = layers[layer] + logging.info(f"* Checking {layer_info.name}") + layer_index = layout.find_layer(layer_info.layer, layer_info.data_type) + if layer_index is not None: + logging.error(f"Forbidden layer {layer} found in {gds}") + had_error = True + + if had_error: + logging.error("Klayout checks failed") + return not had_error + + +def main(): + parser = argparse.ArgumentParser() + parser.add_argument("--gds", required=True) + parser.add_argument("--toplevel", required=True) + args = parser.parse_args() + logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s") + logging.info(f"PDK_ROOT: {PDK_ROOT}") + + assert magic_drc(args.gds, args.toplevel) + + assert klayout_drc(args.gds, "feol") + assert klayout_drc(args.gds, "beol") + assert klayout_drc(args.gds, "offgrid") + + assert klayout_checks(args.gds) + + logging.info(f"Precheck passed for {args.gds}! šŸŽ‰") + + +if __name__ == "__main__": + main() diff --git a/precheck/reports/.gitignore b/precheck/reports/.gitignore new file mode 100644 index 0000000..1a190e3 --- /dev/null +++ b/precheck/reports/.gitignore @@ -0,0 +1,5 @@ +magic_drc.mag +magic_drc.txt +drc_feol.xml +drc_beol.xml +drc_offgrid.xml diff --git a/precheck/requirements.txt b/precheck/requirements.txt new file mode 100644 index 0000000..8ec6d50 --- /dev/null +++ b/precheck/requirements.txt @@ -0,0 +1,2 @@ +klayout==0.28.12 +pytest==7.4.3 diff --git a/precheck/tech-files/README.txt b/precheck/tech-files/README.txt new file mode 100644 index 0000000..51418ca --- /dev/null +++ b/precheck/tech-files/README.txt @@ -0,0 +1 @@ +sky130A_mr.drc from https://github.com/efabless/mpw_precheck revision 4efb33553ee6c2acdb0fa9a6a5f87af099f5c1d5 diff --git a/precheck/tech-files/sky130A_mr.drc b/precheck/tech-files/sky130A_mr.drc new file mode 100644 index 0000000..0637ca3 --- /dev/null +++ b/precheck/tech-files/sky130A_mr.drc @@ -0,0 +1,798 @@ +# DRC for SKY130 according to : +# https://skywater-pdk.readthedocs.io/en/latest/rules/periphery.html +# https://skywater-pdk.readthedocs.io/en/latest/rules/layers.html +# +# Distributed under GNU GPLv3: https://www.gnu.org/licenses/ +# +# History : +# 2022-6-22 : 2022.6.30_01.07 release +# +# 2023-6-14 : 2023.6.14_01.08 release +# +########################################################################################## +release = "2023.6.14_01.08" + +require 'time' +require "logger" + +exec_start_time = Time.now + +logger = Logger.new(STDOUT) + +logger.formatter = proc do |severity, datetime, progname, msg| + "#{msg} +" +end +# optionnal for a batch launch : klayout -b -rd input=my_layout.gds -rd report=sky130_drc.txt -r drc_sky130.drc +if $input + source($input, $top_cell) +end + +if $report + report("SKY130 DRC runset", $report) +else + report("SKY130 DRC runset", File.join(File.dirname(RBA::CellView::active.filename), "sky130_drc.txt")) +end + +AL = true # do not change +CU = false # do not change +# choose betwen only one of AL or CU back-end flow here : +backend_flow = AL + +FEOL = false +BEOL = false +OFFGRID = false +SEAL = false +FLOATING_MET = false + +# enable / disable rule groups +if $feol == "1" || $feol == "true" + FEOL = true # front-end-of-line checks +else + FEOL = false +end + +if $beol == "1" || $beol == "true" + BEOL = true # back-end-of-line checks +else + BEOL = false +end + +if $offgrid == "1" || $offgrid == "true" + OFFGRID = true # manufacturing grid/angle checks +else + OFFGRID = false +end + +if $seal == "1" || $seal == "true" + SEAL = true # SEAL RING checks +else + SEAL = false +end + +if $floating_met == "1" || $floating_met == "true" + FLOATING_MET = true # back-end-of-line checks +else + FLOATING_MET = false +end + +# klayout setup +######################## +# use a tile size of 1mm - not used in deep mode- +# tiles(1000.um) +# use a tile border of 10 micron: +# tile_borders(1.um) +#no_borders + +# hierachical +deep + +if $thr + threads($thr) +else + threads(4) +end + +# if more inof is needed, set true +# verbose(true) +verbose(true) + +# layers definitions +######################## + +# all except purpose (datatype) 5 -- label and 44 -- via +li_wildcard = "67/20" +mcon_wildcard = "67/44" + +m1_wildcard = "68/20" +via_wildcard = "68/44" + +m2_wildcard = "69/20" +via2_wildcard = "69/44" + +m3_wildcard = "70/20" +via3_wildcard = "70/44" + +m4_wildcard = "71/20" +via4_wildcard = "71/44" + +m5_wildcard = "72/20" + +nsdm_wildcard = "93/44" + +psdm_wildcard = "94/20" +nwell_wildcard = "64/20" + +diff = input(65, 20) +tap = polygons(65, 44) +nwell = polygons(nwell_wildcard) +dnwell = polygons(64, 18) +pwbm = polygons(19, 44) +pwde = polygons(124, 20) +natfet = polygons(124, 21) +hvtr = polygons(18, 20) +hvtp = polygons(78, 44) +ldntm = polygons(11, 44) +hvi = polygons(75, 20) +tunm = polygons(80, 20) +lvtn = polygons(125, 44) +poly = polygons(66, 20) +hvntm = polygons(125, 20) +nsdm = polygons(nsdm_wildcard) +psdm = polygons(psdm_wildcard) +rpm = polygons(86, 20) +urpm = polygons(79, 20) +npc = polygons(95, 20) +licon = polygons(66, 44) + +li = polygons(li_wildcard) +mcon = polygons(mcon_wildcard) + +m1 = polygons(m1_wildcard) +via = polygons(via_wildcard) + +m2 = polygons(m2_wildcard) +via2 = polygons(via2_wildcard) + +m3 = polygons(m3_wildcard) +via3 = polygons(via3_wildcard) + +m4 = polygons(m4_wildcard) +via4 = polygons(via4_wildcard) + +m5 = polygons(m5_wildcard) + +pad = polygons(76, 20) +nsm = polygons(61, 20) +capm = polygons(89, 44) +cap2m = polygons(97, 44) +vhvi = polygons(74, 21) +uhvi = polygons(74, 22) +npn = polygons(82, 20) +inductor = polygons(82, 24) +vpp = polygons(82, 64) +pnp = polygons(82, 44) +lvs_prune = polygons(84, 44) +ncm = polygons(92, 44) +padcenter = polygons(81, 20) +mf = polygons(76, 44) +areaid_sl = polygons(81, 1) +areaid_ce = polygons(81, 2) +areaid_fe = polygons(81, 3) +areaid_sc = polygons(81, 4) +areaid_sf = polygons(81, 6) +areaid_sw = polygons(81, 7) +areaid_sr = polygons(81, 8) +areaid_mt = polygons(81, 10) +areaid_dt = polygons(81, 11) +areaid_ft = polygons(81, 12) +areaid_ww = polygons(81, 13) +areaid_ld = polygons(81, 14) +areaid_ns = polygons(81, 15) +areaid_ij = polygons(81, 17) +areaid_zr = polygons(81, 18) +areaid_ed = polygons(81, 19) +areaid_de = polygons(81, 23) +areaid_rd = polygons(81, 24) +areaid_dn = polygons(81, 50) +areaid_cr = polygons(81, 51) +areaid_cd = polygons(81, 52) +areaid_st = polygons(81, 53) +areaid_op = polygons(81, 54) +areaid_en = polygons(81, 57) +areaid_en20 = polygons(81, 58) +areaid_le = polygons(81, 60) +areaid_hl = polygons(81, 63) +areaid_sd = polygons(81, 70) +areaid_po = polygons(81, 81) +areaid_it = polygons(81, 84) +areaid_et = polygons(81, 101) +areaid_lvt = polygons(81, 108) +areaid_re = polygons(81, 125) +areaid_ag = polygons(81, 79) +poly_rs = polygons(66, 13) +diff_rs = polygons(65, 13) +pwell_rs = polygons(64, 13) +li_rs = polygons(67, 13) +cfom = polygons(22, 20) + + +# Define a new custom function that selects polygons by their number of holes: +# It will return a new layer containing those polygons with min to max holes. +# max can be nil to omit the upper limit. +class DRC::DRCLayer + def with_holes(min, max) + new_data = RBA::Region::new + self.data.each do |p| + if p.holes >= (min || 0) && (!max || p.holes <= max) + new_data.insert(p) + end + end + DRC::DRCLayer::new(@engine, new_data) + end +end + +# DRC section +######################## +log("DRC section") + +if FEOL +log("FEOL section") +# dnwell +log("START: 64/18 (dnwell)") +dnwell.width(3.0, euclidian).output("dnwell.2", "dnwell.2 : min. dnwell width : 3.0um") +log("END: 64/18 (dnwell)") + +not_sram = layout(source.cell_obj).select("-*sky130_sram_*kbyte_*") +not_sram_nsdm = not_sram.input(nsdm_wildcard) +not_sram_psdm = not_sram.input(psdm_wildcard) +not_sram_nwell = not_sram.input(nwell_wildcard) + +# This is a hack, should be reverted + +not_io = layout(source.cell_obj).select("-*sky130_fd_io__gpiov2_amux", "-*sky130_fd_io__simple_pad_and_busses") +not_io_nwell = not_io.input(nwell_wildcard) + +# nwell +log("START: 64/20 (nwell)") +nwell.width(0.84, euclidian).output("nwell.1", "nwell.1 : min. nwell width : 0.84um") +nwell.space(1.27, euclidian).output("nwell.2a", "nwell.2a : min. nwell spacing (merged if less) : 1.27um") +nwell_interact = not_sram_nwell.and(not_io_nwell).merge +dnwell.enclosing(nwell_interact.holes, 1.03, euclidian).output("nwell.6", "nwell.6 : min enclosure of nwellHole by dnwell : 1.03um") +log("END: 64/20 (nwell)") + +# hvtp +log("START: 78/44 (hvtp)") +hvtp.width(0.38, euclidian).output("hvtp.1", "hvtp.1 : min. hvtp width : 0.38um") +hvtp.space(0.38, euclidian).output("hvtp.2", "hvtp.2 : min. hvtp spacing : 0.38um") +log("END: 78/44 (hvtp)") + +# hvtr +log("START: 18/20 (htvr)") +hvtr.width(0.38, euclidian).output("hvtr.1", "hvtr.1 : min. hvtr width : 0.38um") +hvtr.separation(hvtp, 0.38, euclidian).output("hvtr.2", "hvtr.2 : min. hvtr spacing : 0.38um") +hvtr.and(hvtp).output("hvtr.2_a", "hvtr.2_a : hvtr must not overlap hvtp") +log("END: 18/20 (htvr)") + +# lvtn +log("START: 25/44 (lvtn)") +lvtn.width(0.38, euclidian).output("lvtn.1a", "lvtn.1a : min. lvtn width : 0.38um") +lvtn.space(0.38, euclidian).output("lvtn.2", "lvtn.2 : min. lvtn spacing : 0.38um") +log("END: 25/44 (lvtn)") + +# ncm +log("START: 92/44 (ncm)") +ncm.width(0.38, euclidian).output("ncm.1", "ncm.1 : min. ncm width : 0.38um") +ncm.space(0.38, euclidian).output("ncm.2a", "ncm.2a : min. ncm spacing : 0.38um") +log("END: 92/44 (ncm)") + +# diff-tap +log("START: 65/20 (diff)") +difftap = diff.or(tap) +diff_width = diff.rectangles.width(0.15, euclidian).polygons +diff_cross_areaid_ce = diff_width.edges.outside_part(areaid_ce).not(diff_width.outside(areaid_ce).edges) +diff_cross_areaid_ce.output("difftap.1", "difftap.1 : min. diff width across areaid:ce : 0.15um") +diff.outside(areaid_ce).width(0.15, euclidian).output("difftap.1_a", "difftap.1_a : min. diff width in periphery : 0.15um") +log("END: 65/20 (diff)") + +log("START: 65/44 (tap)") +tap_width = tap.rectangles.width(0.15, euclidian).polygons +tap_cross_areaid_ce = tap_width.edges.outside_part(areaid_ce).not(tap_width.outside(areaid_ce).edges) +tap_cross_areaid_ce.output("difftap.1_b", "difftap.1_b : min. tap width across areaid:ce : 0.15um") +tap.not(areaid_ce).width(0.15, euclidian).output("difftap.1_c", "difftap.1_c : min. tap width in periphery : 0.15um") +log("END: 65/44 (tap)") + +difftap.space(0.27, euclidian).output("difftap.3", "difftap.3 : min. difftap spacing : 0.27um") + +# tunm +log("START: 80/20 (tunm)") +tunm.width(0.41, euclidian).output("tunm.1", "tunm.1 : min. tunm width : 0.41um") +tunm.space(0.5, euclidian).output("tunm.2", "tunm.2 : min. tunm spacing : 0.5um") +log("END: 80/20 (tunm)") + +# poly +log("START: 66/20 (poly)") +poly.width(0.15, euclidian).output("poly.1a", "poly.1a : min. poly width : 0.15um") +poly.not(areaid_ce).space(0.21, euclidian).output("poly.2", "poly.2 : min. poly spacing : 0.21um") + + +# rpm +log("START: 86/20 (rpm)") +rpm.width(1.27, euclidian).output("rpm.1a", "rpm.1a : min. rpm width : 1.27um") +rpm.space(0.84, euclidian).output("rpm.2", "rpm.2 : min. rpm spacing : 0.84um") +log("END: 86/20 (rpm)") + +# urpm +log("START: 79/20 (urpm)") +urpm.width(1.27, euclidian).output("urpm.1a", "urpm.1a : min. rpm width : 1.27um") +urpm.space(0.84, euclidian).output("urpm.2", "urpm.2 : min. rpm spacing : 0.84um") +log("END: 79/20 (urpm)") + +# npc +log("START: 95/20 (npc)") +npc.width(0.27, euclidian).output("npc.1", "npc.1 : min. npc width : 0.27um") +npc.space(0.27, euclidian).output("npc.2", "npc.2 : min. npc spacing, should be manually merged if less than : 0.27um") +log("END: 95/20 (npc)") + +# nsdm +log("START: 93/44 (nsdm)") +not_sram_nsdm.outside(areaid_ce).width(0.38, euclidian).output("nsd.1", "nsd.1 : min. nsdm width : 0.38um") +not_sram_nsdm.not(areaid_ce).space(0.38, euclidian).output("nsd.2", "nsd.2 : min. nsdm spacing, should be manually merged if less than : 0.38um") +log("END: 93/44 (nsdm)") + +# psdm +log("START: 94/20 (psdm)") +not_sram_psdm.outside(areaid_ce).width(0.38, euclidian).output("psd.1", "psd.1 : min. psdm width : 0.38um") +not_sram_psdm.not(areaid_ce).space(0.38, euclidian).output("psd.2", "psd.2 : min. psdm spacing, should be manually merged if less than : 0.38um") +log("END: 94/20 (psdm)") + +# licon +log("START: 66/44 (licon)") +if SEAL + ringLICON = licon.drc(with_holes > 0) + rectLICON = licon.not(ringLICON) +else + rectLICON = licon +end +xfom = difftap.not(poly) +licon1ToXfom = licon.interacting(licon.and(xfom)) +licon1ToXfom_PERI = licon1ToXfom.not(areaid_ce) +rectLICON.non_rectangles.output("licon.1", "licon.1 : licon should be rectangle") +rectLICON.not(rpm.or(urpm)).edges.without_length(0.17).output("licon.1_a/b", "licon.1_a/b : minimum/maximum width of licon : 0.17um") +licon1ToXfom_PERI.separation(npc, 0.09, euclidian).output("licon.13", "licon.13 : min. difftap licon spacing to npc : 0.09um") +licon1ToXfom_PERI.and(npc).output("licon.13_a", "licon.13_a : licon of diffTap in periphery must not overlap npc") +licon.interacting(poly).and(licon.interacting(difftap)).output("licon.17", "licon.17 : Licons may not overlap both poly and (diff or tap)") +log("END: 66/44 (licon)") + +# CAPM +log("START: 89/44 (capm)") +capm.width(1.0, euclidian).output("capm.1", "capm.1 : min. capm width : 1.0um") +capm.space(0.84, euclidian).output("capm.2a", "capm.2a : min. capm spacing : 0.84um") +m3.interacting(capm).isolated(1.2, euclidian).output("capm.2b", "capm.2b : min. capm spacing : 1.2um") +(m3.interacting(capm)).isolated(1.2, euclidian).output("capm.2b_a", "capm.2b_a : min. spacing of m3_bot_plate : 1.2um") +capm.and(m3).enclosing(m3, 0.14, euclidian).output("capm.3", "capm.3 : min. capm and m3 enclosure of m3 : 0.14um") +m3.enclosing(capm, 0.14, euclidian).output("capm.3_a", "capm.3_a : min. m3 enclosure of capm : 0.14um") +capm.enclosing(via3, 0.14, euclidian).output("capm.4", "capm.4 : min. capm enclosure of via3 : 0.14um") +capm.separation(via3, 0.14, euclidian).output("capm.5", "capm.5 : min. capm spacing to via3 : 0.14um") +(m3.not_interacting(capm)).separation(capm, 0.5, euclidian).output("capm.11", "capm.11 : Min spacing of capm and met3 not overlapping capm : 0.5um") +log("END: 89/44 (capm)") + +# CAP2M +log("START: 97/44 (cap2m)") +cap2m.width(1.0, euclidian).output("cap2m.1", "cap2m.1 : min. cap2m width : 1.0um") +cap2m.space(0.84, euclidian).output("cap2m.2a", "cap2m.2a : min. cap2m spacing : 0.84um") +m4.interacting(cap2m).isolated(1.2, euclidian).output("cap2m.2b", "cap2m.2b : min. cap2m spacing : 1.2um") +(m4.interacting(cap2m)).isolated(1.2, euclidian).output("cap2m.2b_a", "cap2m.2b_a : min. spacing of m4_bot_plate : 1.2um") +cap2m.and(m4).enclosing(m4, 0.14, euclidian).output("cap2m.3", "cap2m.3 : min. m4 enclosure of cap2m : 0.14um") +m4.enclosing(cap2m, 0.14, euclidian).output("cap2m.3_a", "cap2m.3_a : min. m4 enclosure of cap2m : 0.14um") +cap2m.enclosing(via4, 0.2, euclidian).output("cap2m.4", "cap2m.4 : min. cap2m enclosure of via4 : 0.14um") +cap2m.separation(via4, 0.2, euclidian).output("cap2m.5", "cap2m.5 : min. cap2m spacing to via4 : 0.14um") +(m4.not_interacting(cap2m)).separation(cap2m, 0.5, euclidian).output("cap2m.11", "cap2m.11 : Min spacing of cap2m and met4 not overlapping cap2m : 0.5um") +log("END: 97/44 (cap2m)") +end #FEOL + +if BEOL +log("BEOL section") + +# li +log("START: 67/20 (li)") +linotace = li.not(li.interacting(areaid_ce)) +linotace.width(0.17, euclidian).output("li.1", "li.1 : min. li width : 0.17um") +# This rule is taking a long time in some slots +linotace.edges.space(0.17, euclidian).output("li.3", "li.3 : min. li spacing : 0.17um") +licon_peri = licon.not(areaid_ce) +li_edges_with_less_enclosure = li.enclosing(licon_peri, 0.08, projection).second_edges +error_corners = li_edges_with_less_enclosure.width(angle_limit(100.0), 1.dbu) +li_interact = licon_peri.interacting(error_corners.polygons(1.dbu)) +li_interact.output("li.5", "li.5 : min. li enclosure of licon of 2 adjacent edges : 0.08um") +linotace.with_area(nil, 0.0561).output("li.6", "li.6 : min. li area : 0.0561umĀ²") +log("END: 67/20 (li)") + +# ct +log("START: 67/44 (mcon)") +mconnotace = mcon.not(areaid_ce) +if SEAL + ringMCON = mcon.drc(with_holes > 0) + rectMCON = mcon.not(ringMCON) +else + rectMCON = mcon +end +rectMCON_peri = rectMCON.not(areaid_ce) +rectMCON.non_rectangles.output("ct.1", "ct.1: non-ring mcon should be rectangular") +# rectMCON_peri.edges.without_length(0.17).output("ct.1_a/b", "ct.1_a/b : minimum/maximum width of mcon : 0.17um") +rectMCON_peri.drc(width < 0.17).output("ct.1_a", "ct.1_a : minimum width of mcon : 0.17um") +rectMCON_peri.drc(length > 0.17).output("ct.1_b", "ct.1_b : maximum length of mcon : 0.17um") +mcon.space(0.19, euclidian).output("ct.2", "ct.2 : min. mcon spacing : 0.19um") +if SEAL + ringMCON.width(0.17, euclidian).output("ct.3", "ct.3 : min. width of ring-shaped mcon : 0.17um") + ringMCON.drc(width >= 0.175).output("ct.3_a", "ct.3_a : max. width of ring-shaped mcon : 0.175um") + ringMCON.not(areaid_sl).output("ct.3_b", "ct.3_b: ring-shaped mcon must be enclosed by areaid_sl") +end +mconnotace.not(li).output("ct.4", "ct.4 : mcon should covered by li") +log("END: 67/44 (mcon)") + +# m1 +log("START: 68/20 (m1)") +m1.width(0.14, euclidian).output("m1.1", "m1.1 : min. m1 width : 0.14um") +huge_m1 = m1.sized(-1.5).sized(1.5).snap(0.005) & m1 +non_huge_m1 = m1.edges - huge_m1 +huge_m1 = huge_m1.edges.outside_part(m1.merged) + +non_huge_m1.space(0.14, euclidian).output("m1.2", "m1.2 : min. m1 spacing : 0.14um") + +(huge_m1.separation(non_huge_m1, 0.28, euclidian) + huge_m1.space(0.28, euclidian)).output("m1.3ab", "m1.3ab : min. 3um.m1 spacing m1 : 0.28um") + +#not_in_cell6 = layout(source.cell_obj).select("-s8cell_ee_plus_sseln_a", "-s8cell_ee_plus_sseln_b", "-s8cell_ee_plus_sselp_a", "-s8cell_ee_plus_sselp_b", "-s8fpls_pl8", "-s8fs_cmux4_fm") +not_in_cell6 = layout(source.cell_obj).select("-s8cell_ee_plus_sseln_a", "-s8cell_ee_plus_sseln_b", "-s8cell_ee_plus_sselp_a", "-s8cell_ee_plus_sselp_b", "-s8fs_cmux4_fm") +not_in_cell6_m1 = not_in_cell6.input(m1_wildcard) + +not_in_cell6_m1.enclosing(mconnotace, 0.03, euclidian).output("791_m1.4", "791_m1.4 : min. m1 enclosure of mcon : 0.03um") +mconnotace.not(m1).output("m1.4", "m1.4 : mcon periphery must be enclosed by m1") +in_cell6 = layout(source.cell_obj).select("-*", "+s8cell_ee_plus_sseln_a", "+s8cell_ee_plus_sseln_b", "+s8cell_ee_plus_sselp_a", "+s8cell_ee_plus_sselp_b", "+s8fpls_pl8", "+s8fs_cmux4_fm") +in_cell6_m1 = in_cell6.input(m1_wildcard) +in_cell6_m1.enclosing(mcon, 0.005, euclidian).output("m1.4a", "m1.4a : min. m1 enclosure of mcon for specific cells : 0.005um") + +in_cell6_m1.not(m1).output('m1.4a_a', 'm1.4a_a : mcon periph must be enclosed by met1 for specific cells') + +m1.with_area(0..0.083).output("m1.6", "m1.6 : min. m1 area : 0.083umĀ²") + +m1.holes.with_area(0..0.14).output("m1.7", "m1.7 : min. m1 with holes area : 0.14umĀ²") +if FLOATING_MET + m1.not_interacting(via.or(mcon)).output("m1.x", "floating met1, must interact with via1") +end + +if backend_flow = AL + #Could flag false positive, fix would be to add .rectangles for m1 + mconnotace_edges_with_less_enclosure_m1 = m1.enclosing(mconnotace, 0.06, projection).second_edges + error_corners_m1 = mconnotace_edges_with_less_enclosure_m1.width(angle_limit(100.0), 1.dbu) + mconnotace_interact_m1 = mconnotace.interacting(error_corners_m1.polygons(1.dbu)) + mconnotace_interact_m1.output("m1.5", "m1.5 : min. m1 enclosure of mcon of 2 adjacent edges : 0.06um") +end +log("END: 68/20 (m1)") + +# via +log("START: 68/44 (via)") +if backend_flow = AL + if SEAL + ringVIA = via.drc(with_holes > 0) + rectVIA = via.not(ringVIA) + else + rectVIA = via + end + + via_not_mt = rectVIA.not(areaid_mt) + + via_not_mt.non_rectangles.output("via.1a", "via.1a : via outside of moduleCut should be rectangular") + via_not_mt.width(0.15, euclidian).output("via.1a_a", "via.1a_a : min. width of via outside of moduleCut : 0.15um") + # via_not_mt.edges.without_length(nil, 0.15 + 1.dbu).output("via.1a_b", "via.1a_b : maximum length of via : 0.15um") + via_not_mt.drc(length > 0.15).output("via.1a_b", "via.1a_b : maximum length of via : 0.15um") + + via.space(0.17, euclidian).output("via.2", "via.2 : min. via spacing : 0.17um") + + if SEAL + ringVIA.width(0.2, euclidian).output("via.3", "via.3 : min. width of ring-shaped via : 0.2um") + ringVIA.drc(width >= 0.205).output("via.3_a", "via.3_a : max. width of ring-shaped via : 0.205um") + ringVIA.not(areaid_sl).output("via.3_b", "via.3_b: ring-shaped via must be enclosed by areaid_sl") + end + + m1.edges.enclosing(rectVIA.drc(width == 0.15), 0.055, euclidian).output("via.4a", "via.4a : min. m1 enclosure of 0.15um via : 0.055um") + rectVIA.squares.drc(width == 0.15).not(m1).output("via.4a_a", "via.4a_a : 0.15um via must be enclosed by met1") + + via1_edges_with_less_enclosure_m1 = m1.edges.enclosing(rectVIA.drc(width == 0.15), 0.085, projection).second_edges + error_corners_via1 = via1_edges_with_less_enclosure_m1.width(angle_limit(100.0), 1.dbu) + via2_interact = via.interacting(error_corners_via1.polygons(1.dbu)) + via2_interact.output("via.5a", "via.5a : min. m1 enclosure of 0.15um via of 2 adjacent edges : 0.085um") + +end +log("END: 68/44 (via)") + +# m2 +log("START: 69/20 (m2)") +m2.width(0.14, euclidian).output("m2.1", "m2.1 : min. m2 width : 0.14um") + +huge_m2 = m2.sized(-1.5).sized(1.5).snap(0.005) & m2 +non_huge_m2 = m2.edges - huge_m2 +huge_m2 = huge_m2.edges.outside_part(m2.merged) +via_outside_periphery = via.not(areaid_ce) + +non_huge_m2.space(0.14, euclidian).output("m2.2", "m2.2 : min. m2 spacing : 0.14um") + +(huge_m2.separation(non_huge_m2, 0.28, euclidian) + huge_m2.space(0.28, euclidian)).output("m2.3ab", "m2.3ab : min. 3um.m2 spacing m2 : 0.28um") + +m2.with_area(0..0.0676).output("m2.6", "m2.6 : min. m2 area : 0.0676umĀ²") +m2.holes.with_area(0..0.14).output("m2.7", "m2.7 : min. m2 holes area : 0.14umĀ²") +if FLOATING_MET + m2.not_interacting(via.or(via2)).output("m2.x", "floating met2, must interact with via1 or via2") +end +if backend_flow = AL + m2.enclosing(via_outside_periphery, 0.055, euclidian).output("m2.4", "m2.4 : min. m2 enclosure of via : 0.055um") + via_outside_periphery.not(m2).output("m2.4_a", "m2.4_a : via in periphery must be enclosed by met2") + via_edges_with_less_enclosure_m2 = m2.enclosing(via, 0.085, projection).second_edges + error_corners = via_edges_with_less_enclosure_m2.width(angle_limit(100.0), 1.dbu) + via_interact = via.interacting(error_corners.polygons(1.dbu)) + via_interact.output("m2.5", "m2.5 : min. m2 enclosure of via of 2 adjacent edges : 0.085um") + +end +log("END: 69/20 (m2)") + +# via2 +log("START: 69/44 (via2)") +if backend_flow = AL + if SEAL + ringVIA2 = via2.drc(with_holes > 0) + rectVIA2 = via2.not(ringVIA2) + else + rectVIA2 = via2 + end + + via2_not_mt = rectVIA2.not(areaid_mt) + via2_not_mt.non_rectangles.output("via2.1a", "via2.1a : via2 outside of moduleCut should be rectangular") + via2_not_mt.width(0.2, euclidian).output("via2.1a_a", "via2.1a_a : min. width of via2 outside of moduleCut : 0.2um") + via2_not_mt.edges.without_length(nil, 0.2 + 1.dbu).output("via2.1a_b", "via2.1a_b : maximum length of via2 : 0.2um") + via2.space(0.2, euclidian).output("via2.2", "via2.2 : min. via2 spacing : 0.2um") + + if SEAL + ringVIA2.width(0.2, euclidian).output("via2.3", "via2.3 : min. width of ring-shaped via2 : 0.2um") + ringVIA2.drc(width >= 0.205).output("via2.3_a", "via2.3_a : max. width of ring-shaped via2 : 0.205um") + ringVIA2.not(areaid_sl).output("via2.3_b", "via2.3_b: ring-shaped via2 must be enclosed by areaid_sl") + end + + m2.enclosing(via2, 0.04, euclidian).output("via2.4", "via2.4 : min. m2 enclosure of via2 : 0.04um") + via2.not(m2).output("via2.4_a", "via2.4_a : via must be enclosed by met2") + + via2_edges_with_less_enclosure = m2.enclosing(via2, 0.085, projection).second_edges + error_corners = via2_edges_with_less_enclosure.width(angle_limit(100.0), 1.dbu) + via2_interact = via2.interacting(error_corners.polygons(1.dbu)) + via2_interact.output("via2.5", "via2.5 : min. m3 enclosure of via2 of 2 adjacent edges : 0.085um") +end +log("END: 69/44 (via2)") + +# m3 +log("START: 70/20 (m3)") +m3.width(0.3, euclidian).output("m3.1", "m3.1 : min. m3 width : 0.3um") + +huge_m3 = m3.sized(-1.5).sized(1.5).snap(0.005) & m3 +non_huge_m3 = m3.edges - huge_m3 +huge_m3 = huge_m3.edges.outside_part(m3.merged) + +non_huge_m3.space(0.3, euclidian).output("m3.2", "m3.2 : min. m3 spacing : 0.3um") + +m3.with_area(0..0.240).output("m3.6", "m3.6 : min. m3 area : 0.240umĀ²") + +(huge_m3.separation(non_huge_m3, 0.4, euclidian) + huge_m3.space(0.4, euclidian)).output("m3.3cd", "m3.3cd : min. 3um.m3 spacing m3 : 0.4um") +if FLOATING_MET + m3.not_interacting(via2.or(via3)).output("m3.x", "floating met3, must interact with via2 or via3") +end +if backend_flow = AL + m3.enclosing(via2, 0.065, euclidian).output("m3.4", "m3.4 : min. m3 enclosure of via2 : 0.065um") + via2.not(m3).output("m3.4_a", "m3.4_a : via2 must be enclosed by met3") +end +log("END: 70/20 (m3)") + +# via3 +log("START: 70/44 (via3)") +if backend_flow = AL + if SEAL + ringVIA3 = via3.drc(with_holes > 0) + rectVIA3 = via3.not(ringVIA3) + else + rectVIA3 = via3 + end + + via3_not_mt = rectVIA3.not(areaid_mt) + via3_not_mt.non_rectangles.output("via3.1", "via3.1 : via3 outside of moduleCut should be rectangular") + via3_not_mt.width(0.2, euclidian).output("via3.1_a", "via3.1_a : min. width of via3 outside of moduleCut : 0.2um") + via3_not_mt.edges.without_length(nil, 0.2 + 1.dbu).output("via3.1_b", "via3.1_b : maximum length of via3 : 0.2um") + + via3.space(0.2, euclidian).output("via3.2", "via3.2 : min. via3 spacing : 0.2um") + m3.enclosing(via3, 0.06, euclidian).output("via3.4", "via3.4 : min. m3 enclosure of via3 : 0.06um") + rectVIA3.not(m3).output("via3.4_a", "via3.4_a : non-ring via3 must be enclosed by met3") + + via_edges_with_less_enclosure = m3.enclosing(via3, 0.09, projection).second_edges + error_corners = via_edges_with_less_enclosure.width(angle_limit(100.0), 1.dbu) + via3_interact = via3.interacting(error_corners.polygons(1.dbu)) + via3_interact.output("via3.5", "via3.5 : min. m3 enclosure of via3 of 2 adjacent edges : 0.09um") +end +log("END: 70/44 (via3)") + +# m4 +log("START: 71/20 (m4)") +m4.width(0.3, euclidian).output("m4.1", "m4.1 : min. m4 width : 0.3um") + +huge_m4 = m4.sized(-1.5).sized(1.5).snap(0.005) & m4 +non_huge_m4 = m4.edges - huge_m4 +huge_m4 = huge_m4.edges.outside_part(m4.merged) + +non_huge_m4.space(0.3, euclidian).output("m4.2", "m4.2 : min. m4 spacing : 0.3um") + +m4.with_area(0..0.240).output("m4.4a", "m4.4a : min. m4 area : 0.240umĀ²") + +(huge_m4.separation(non_huge_m4, 0.4, euclidian) + huge_m4.space(0.4, euclidian)).output("m4.5ab", "m4.5ab : min. 3um.m4 spacing m4 : 0.4um") +if FLOATING_MET + m4.not_interacting(via3.or(via4)).output("m4.x", "floating met3, must interact with via3 or via4") +end +if backend_flow = AL + m4.enclosing(via3, 0.065, euclidian).output("m4.3", "m4.3 : min. m4 enclosure of via3 : 0.065um") + via3.not(m4).output("m4.3_a", "m4.3_a : via3 must be enclosed by met4") +end +log("END: 71/20 (m4)") + +# via4 +log("START: 71/44 (via4)") +if SEAL + ringVIA4 = via4.drc(with_holes > 0) + rectVIA4 = via4.not(ringVIA4) +else + rectVIA4 = via4 +end + +via4_not_mt = rectVIA4.not(areaid_mt) +via4_not_mt.non_rectangles.output("via4.1", "via4.1 : via4 outside of moduleCut should be rectangular") +rectVIA4.width(0.8, euclidian).output("via4.1_a", "via4.1_a : min. width of via4 outside of moduleCut : 0.8um") +rectVIA4.drc(length > 0.8).output("via4.1_b", "via4.1_b : maximum length of via4 : 0.8um") + +via4.space(0.8, euclidian).polygons.output("via4.2", "via4.2 : min. via4 spacing : 0.8um") + +if SEAL + ringVIA4.width(0.8, euclidian).output("via4.3", "via4.3 : min. width of ring-shaped via4 : 0.8um") + ringVIA4.drc(width >= 0.805).output("via4.3_a", "via4.3_a : max. width of ring-shaped via4 : 0.805um") + ringVIA4.not(areaid_sl).output("via4.3_b", "via4.3_b: ring-shaped via4 must be enclosed by areaid_sl") +end + +m4.enclosing(via4, 0.19, euclidian).output("via4.4", "via4.4 : min. m4 enclosure of via4 : 0.19um") +rectVIA4.not(m4).output("via4.4_a", "via4.4_a : m4 must enclose all via4") +log("END: 71/44 (via4)") + +# m5 +log("START: 72/20 (m5)") +m5.width(1.6, euclidian).output("m5.1", "m5.1 : min. m5 width : 1.6um") + +m5.space(1.6, euclidian).output("m5.2", "m5.2 : min. m5 spacing : 1.6um") + +m5.enclosing(via4, 0.31, euclidian).output("m5.3", "m5.3 : min. m5 enclosure of via4 : 0.31um") +via4.not(m5).output("m5.3_a", "m5.3_a : via must be enclosed by m5") +if FLOATING_MET + m5.not_interacting(via4).output("m5.x", "floating met5, must interact with via4") +end +m5.with_area(0..4.0).output("m5.4", "m5.4 : min. m5 area : 4.0umĀ²") +log("END: 72/20 (m5)") + +# pad +log("START: 76/20 (pad)") +pad.space(1.27, euclidian).output("pad.2", "pad.2 : min. pad spacing : 1.27um") +log("END: 76/20 (pad)") + +end #BEOL + +if FEOL +log("FEOL section") + +# hvi +log("START: 75/20 (hvi)") +hvi_peri = hvi.not(areaid_ce) +hvi_peri.width(0.6, euclidian).output("hvi.1", "hvi.1 : min. hvi width : 0.6um") +hvi_peri.space(0.7, euclidian).output("hvi.2a", "hvi.2a : min. hvi spacing : 0.7um") +log("END: 75/20 (hvi)") + +# hvntm +log("START: 125/20 (hvntm)") +hvntm_peri = hvntm.not(areaid_ce) +hvntm_peri.width(0.7, euclidian).output("hvntm.1", "hvntm.1 : min. hvntm width : 0.7um") +hvntm_peri.space(0.7, euclidian).output("hvntm.2", "hvntm.2 : min. hvntm spacing : 0.7um") +log("END: 125/20 (hvntm)") + +end #FEOL + + +if OFFGRID +log("OFFGRID-ANGLES section") + +dnwell.ongrid(0.005).output("dnwell_OFFGRID", "x.1b : OFFGRID vertex on dnwell") +dnwell.with_angle(0 .. 45).output("dnwell_angle", "x.3a : non 45 degree angle dnwell") +nwell.ongrid(0.005).output("nwell_OFFGRID", "x.1b : OFFGRID vertex on nwell") +nwell.with_angle(0 .. 45).output("nwell_angle", "x.3a : non 45 degree angle nwell") +pwbm.ongrid(0.005).output("pwbm_OFFGRID", "x.1b : OFFGRID vertex on pwbm") +pwbm.with_angle(0 .. 45).output("pwbm_angle", "x.3a : non 45 degree angle pwbm") +pwde.ongrid(0.005).output("pwde_OFFGRID", "x.1b : OFFGRID vertex on pwde") +pwde.with_angle(0 .. 45).output("pwde_angle", "x.3a : non 45 degree angle pwde") +hvtp.ongrid(0.005).output("hvtp_OFFGRID", "x.1b : OFFGRID vertex on hvtp") +hvtp.with_angle(0 .. 45).output("hvtp_angle", "x.3a : non 45 degree angle hvtp") +hvtr.ongrid(0.005).output("hvtr_OFFGRID", "x.1b : OFFGRID vertex on hvtr") +hvtr.with_angle(0 .. 45).output("hvtr_angle", "x.3a : non 45 degree angle hvtr") +lvtn.ongrid(0.005).output("lvtn_OFFGRID", "x.1b : OFFGRID vertex on lvtn") +lvtn.with_angle(0 .. 45).output("lvtn_angle", "x.3a : non 45 degree angle lvtn") +ncm.ongrid(0.005).output("ncm_OFFGRID", "x.1b : OFFGRID vertex on ncm") +ncm.with_angle(0 .. 45).output("ncm_angle", "x.3a : non 45 degree angle ncm") +diff.ongrid(0.005).output("diff_OFFGRID", "x.1b : OFFGRID vertex on diff") +tap.ongrid(0.005).output("tap_OFFGRID", "x.1b : OFFGRID vertex on tap") +diff.not(areaid_en.and(uhvi)).with_angle(0 .. 90).output("diff_angle", "x.2 : non 90 degree angle diff") +diff.and(areaid_en.and(uhvi)).with_angle(0 .. 45).output("diff_angle", "x.2c : non 45 degree angle diff") +tap.not(areaid_en.and(uhvi)).with_angle(0 .. 90).output("tap_angle", "x.2 : non 90 degree angle tap") +tap.and(areaid_en.and(uhvi)).with_angle(0 .. 45).output("tap_angle", "x.2c : non 45 degree angle tap") +tunm.ongrid(0.005).output("tunm_OFFGRID", "x.1b : OFFGRID vertex on tunm") +tunm.with_angle(0 .. 45).output("tunm_angle", "x.3a : non 45 degree angle tunm") +poly.ongrid(0.005).output("poly_OFFGRID", "x.1b : OFFGRID vertex on poly") +poly.with_angle(0 .. 90).output("poly_angle", "x.2 : non 90 degree angle poly") +rpm.ongrid(0.005).output("rpm_OFFGRID", "x.1b : OFFGRID vertex on rpm") +rpm.with_angle(0 .. 45).output("rpm_angle", "x.3a : non 45 degree angle rpm") +npc.ongrid(0.005).output("npc_OFFGRID", "x.1b : OFFGRID vertex on npc") +npc.with_angle(0 .. 45).output("npc_angle", "x.3a : non 45 degree angle npc") +nsdm.ongrid(0.005).output("nsdm_OFFGRID", "x.1b : OFFGRID vertex on nsdm") +nsdm.with_angle(0 .. 45).output("nsdm_angle", "x.3a : non 45 degree angle nsdm") +psdm.ongrid(0.005).output("psdm_OFFGRID", "x.1b : OFFGRID vertex on psdm") +psdm.with_angle(0 .. 45).output("psdm_angle", "x.3a : non 45 degree angle psdm") +licon.ongrid(0.005).output("licon_OFFGRID", "x.1b : OFFGRID vertex on licon") +licon.with_angle(0 .. 90).output("licon_angle", "x.2 : non 90 degree angle licon") +li.ongrid(0.005).output("li_OFFGRID", "x.1b : OFFGRID vertex on li") +li.with_angle(0 .. 45).output("li_angle", "x.3a : non 45 degree angle li") +mcon.ongrid(0.005).output("ct_OFFGRID", "x.1b : OFFGRID vertex on mcon") +mcon.with_angle(0 .. 90).output("ct_angle", "x.2 : non 90 degree angle mcon") +vpp.ongrid(0.005).output("vpp_OFFGRID", "x.1b : OFFGRID vertex on vpp") +vpp.with_angle(0 .. 45).output("vpp_angle", "x.3a : non 45 degree angle vpp") +m1.ongrid(0.005).output("m1_OFFGRID", "x.1b : OFFGRID vertex on m1") +m1.with_angle(0 .. 45).output("m1_angle", "x.3a : non 45 degree angle m1") +via.ongrid(0.005).output("via_OFFGRID", "x.1b : OFFGRID vertex on via") +via.with_angle(0 .. 90).output("via_angle", "x.2 : non 90 degree angle via") +m2.ongrid(0.005).output("m2_OFFGRID", "x.1b : OFFGRID vertex on m2") +m2.with_angle(0 .. 45).output("m2_angle", "x.3a : non 45 degree angle m2") +via2.ongrid(0.005).output("via2_OFFGRID", "x.1b : OFFGRID vertex on via2") +via2.with_angle(0 .. 90).output("via2_angle", "x.2 : non 90 degree angle via2") +m3.ongrid(0.005).output("m3_OFFGRID", "x.1b : OFFGRID vertex on m3") +m3.with_angle(0 .. 45).output("m3_angle", "x.3a : non 45 degree angle m3") +via3.ongrid(0.005).output("via3_OFFGRID", "x.1b : OFFGRID vertex on via3") +via3.with_angle(0 .. 90).output("via3_angle", "x.2 : non 90 degree angle via3") +nsm.ongrid(0.005).output("nsm_OFFGRID", "x.1b : OFFGRID vertex on nsm") +nsm.with_angle(0 .. 45).output("nsm_angle", "x.3a : non 45 degree angle nsm") +m4.ongrid(0.005).output("m4_OFFGRID", "x.1b : OFFGRID vertex on m4") +m4.with_angle(0 .. 45).output("m4_angle", "x.3a : non 45 degree angle m4") +via4.ongrid(0.005).output("via4_OFFGRID", "x.1b : OFFGRID vertex on via4") +via4.with_angle(0 .. 90).output("via4_angle", "x.2 : non 90 degree angle via4") +m5.ongrid(0.005).output("m5_OFFGRID", "x.1b : OFFGRID vertex on m5") +m5.with_angle(0 .. 45).output("m5_angle", "x.3a : non 45 degree angle m5") +pad.ongrid(0.005).output("pad_OFFGRID", "x.1b : OFFGRID vertex on pad") +pad.with_angle(0 .. 45).output("pad_angle", "x.3a : non 45 degree angle pad") +mf.ongrid(0.005).output("mf_OFFGRID", "x.1b : OFFGRID vertex on mf") +mf.with_angle(0 .. 90).output("mf_angle", "x.2 : non 90 degree angle mf") +hvi.ongrid(0.005).output("hvi_OFFGRID", "x.1b : OFFGRID vertex on hvi") +hvi.with_angle(0 .. 45).output("hvi_angle", "x.3a : non 45 degree angle hvi") +hvntm.ongrid(0.005).output("hvntm_OFFGRID", "x.1b : OFFGRID vertex on hvntm") +hvntm.with_angle(0 .. 45).output("hvntm_angle", "x.3a : non 45 degree angle hvntm") +vhvi.ongrid(0.005).output("vhvi_OFFGRID", "x.1b : OFFGRID vertex on vhvi") +vhvi.with_angle(0 .. 45).output("vhvi_angle", "x.3a : non 45 degree angle vhvi") +uhvi.ongrid(0.005).output("uhvi_OFFGRID", "x.1b : OFFGRID vertex on uhvi") +uhvi.with_angle(0 .. 45).output("uhvi_angle", "x.3a : non 45 degree angle uhvi") +pwell_rs.ongrid(0.005).output("pwell_rs_OFFGRID", "x.1b : OFFGRID vertex on pwell_rs") +pwell_rs.with_angle(0 .. 45).output("pwell_rs_angle", "x.3a : non 45 degree angle pwell_rs") +areaid_re.ongrid(0.005).output("areaid_re_OFFGRID", "x.1b : OFFGRID vertex on areaid.re") + +end #OFFGRID +logger.info(" ") +logger.info("Cell exclusion list:") +logger.info(" rule | cell") +logger.info(" nwell.6 | sky130_fd_io__gpiov2_amux, sky130_fd_io__simple_pad_and_busses, sram") +logger.info(" nsd.1 | sram") +logger.info(" nsd.2 | sram") +logger.info(" psd.1 | sram") +logger.info(" psd.2 | sram") +logger.info(" ") +logger.info("release #{release}") diff --git a/precheck/test_precheck.py b/precheck/test_precheck.py new file mode 100644 index 0000000..807862c --- /dev/null +++ b/precheck/test_precheck.py @@ -0,0 +1,107 @@ +import os + +import klayout.db as pya +import klayout_tools +import pytest + +import precheck + +PDK_ROOT = os.getenv("PDK_ROOT") +PDK_NAME = os.getenv("PDK_NAME") or "sky130A" +LYP_FILE = f"{PDK_ROOT}/{PDK_NAME}/libs.tech/klayout/tech/{PDK_NAME}.lyp" +gds_layers = klayout_tools.parse_lyp_layers(LYP_FILE) + + +@pytest.fixture(scope="session") +def gds_empty(tmp_path_factory): + """Creates a GDS with an empty cell that should pass DRC.""" + gds_file = tmp_path_factory.mktemp("gds") / "gds_empty.gds" + layout = pya.Layout() + layout.create_cell("TEST_empty") + layout.write(str(gds_file)) + return str(gds_file) + + +@pytest.fixture(scope="session") +def gds_fail_met1_poly(tmp_path_factory): + """Creates a GDS that fails Magic DRC and BEOL because the met1 rect is too small.""" + gds_file = tmp_path_factory.mktemp("gds") / "gds_met1_fail.gds" + layout = pya.Layout() + met1_info = gds_layers["met1.drawing"] + met1 = layout.layer(met1_info.layer, met1_info.data_type) + top_cell = layout.create_cell("TEST_met1_error") + # Should fail "Metal1 minimum area < 0.083um^2 (met1.6)" (magic) + # and "m1.1 : min. m1 width : 0.14um" (klayout): + rect = pya.DBox(0, 0, 0.005, 0.005) + top_cell.shapes(met1).insert(rect) + layout.write(str(gds_file)) + return str(gds_file) + + +@pytest.fixture(scope="session") +def gds_fail_nwell_poly(tmp_path_factory): + """Creates a GDS that fails FEOL because the nwell is too small.""" + gds_file = tmp_path_factory.mktemp("gds") / "gds_nwell_fail.gds" + layout = pya.Layout() + nwell_info = gds_layers["nwell.drawing"] + nwell = layout.layer(nwell_info.layer, nwell_info.data_type) + top_cell = layout.create_cell("TEST_nwell_error") + # Should fail "nwell.1 : min. nwell width : 0.84um" (klayout): + rect = pya.DBox(0, 0, 0.005, 0.005) + top_cell.shapes(nwell).insert(rect) + layout.write(str(gds_file)) + return str(gds_file) + + +@pytest.fixture(scope="session") +def gds_fail_metal5_poly(tmp_path_factory): + """Creates a GDS with drawings on layer5, should fail our precheck.""" + gds_file = tmp_path_factory.mktemp("gds") / "gds_metal5_fail.gds" + layout = pya.Layout() + met5_info = gds_layers["met5.drawing"] + met5 = layout.layer(met5_info.layer, met5_info.data_type) + top_cell = layout.create_cell("TEST_met5_error") + rect = pya.DBox(0, 0, 5, 5) + top_cell.shapes(met5).insert(rect) + layout.write(str(gds_file)) + return str(gds_file) + + +def test_magic_drc_pass(gds_empty): + result = precheck.magic_drc(gds_empty, "TEST_empty") + assert result is True + + +def test_magic_drc_fail(gds_fail_met1_poly): + result = precheck.magic_drc(gds_fail_met1_poly, "TEST_met1_error") + assert result is False + + +def test_klayout_feol_pass(gds_empty): + result = precheck.klayout_drc(gds_empty, "feol") + assert result is True + + +def test_klayout_feol_fail(gds_fail_nwell_poly): + result = precheck.klayout_drc(gds_fail_nwell_poly, "feol") + assert result is False + + +def test_klayout_beol_pass(gds_empty): + result = precheck.klayout_drc(gds_empty, "beol") + assert result is True + + +def test_klayout_beol_fail(gds_fail_met1_poly): + result = precheck.klayout_drc(gds_fail_met1_poly, "beol") + assert result is False + + +def test_klayout_checks_pass(gds_empty): + result = precheck.klayout_checks(gds_empty) + assert result is True + + +def test_klayout_checks_fail(gds_fail_metal5_poly): + result = precheck.klayout_checks(gds_fail_metal5_poly) + assert result is False