fixing off-grid errors
diff --git a/gds/run_magic_drc_user_analog_project_wrapper.tcl b/gds/run_magic_drc_user_analog_project_wrapper.tcl new file mode 100644 index 0000000..03419cd --- /dev/null +++ b/gds/run_magic_drc_user_analog_project_wrapper.tcl
@@ -0,0 +1,32 @@ +# run_magic_drc.tcl --- +# batch script for running DRC + +crashbackups stop +drc euclidean on +drc style drc(full) +drc on +snap internal +gds flatglob *__example_* +gds flatten true +gds read /home/eslam/Analog_caravel/gds/user_analog_project_wrapper +load user_analog_project_wrapper +select top cell +expand +drc catchup +set allerrors [drc listall why] +set oscale [cif scale out] +set ofile [open user_analog_project_wrapper_drc.txt w] +puts $ofile "DRC errors for cell user_analog_project_wrapper" +puts $ofile "--------------------------------------------" +foreach {whytext rectlist} $allerrors { + puts $ofile "" + puts $ofile $whytext + foreach rect $rectlist { + set llx [format "%.3f" [expr $oscale * [lindex $rect 0]]] + set lly [format "%.3f" [expr $oscale * [lindex $rect 1]]] + set urx [format "%.3f" [expr $oscale * [lindex $rect 2]]] + set ury [format "%.3f" [expr $oscale * [lindex $rect 3]]] + puts $ofile "$llx $lly $urx $ury" + } +} +close $ofile
diff --git a/gds/run_standard_drc.py b/gds/run_standard_drc.py new file mode 100755 index 0000000..3cb9e7a --- /dev/null +++ b/gds/run_standard_drc.py
@@ -0,0 +1,228 @@ +#!/usr/bin/env python3 +# Copyright 2020 R. Timothy Edwards +# +# 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. +# +# SPDX-License-Identifier: Apache-2.0 +#------------------------------------------------------------------------- +# run_standard_drc.py --- A script to run magic in batch mode and apply +# full DRC checks on a layout. This inclues full DRC but excludes +# antenna and density checks, for which there are separate scripts. +# +# Usage: +# +# run_standard_drc.py <layout_name> +# +# Results: +# +# generates a file "<layout_name>_drc.txt" containing a human-readable +# list of the DRC errors. +# +#------------------------------------------------------------------------- + +import subprocess +import shutil +import glob +import sys +import os +import re + +# Work in progress + +def run_full_drc(layout_name, output_file): + is_gds = False + + # Remove any extension from layout_name + layout_root = layout_name + layout_name = os.path.splitext(layout_root)[0] + layout_ext = os.path.splitext(layout_root)[1] + + if layout_ext != '.mag': + # Assume this is GDS + # Is the layout file in the current directory, or a full + # path, or is this a project directory? + + is_gds = True + if layout_name[0] == '/': + gdspath = os.path.split(layout_name)[0] + layout_name = os.path.split(layout_name)[1] + + else: + if not os.path.isfile(layout_root): + if not os.path.isfile('gds/' + layout_root): + print('Error: Cannot find GDS file ' + layout_root) + return + else: + gdspath = os.getcwd() + '/gds' + else: + gdspath = os.getcwd() + + if os.path.isdir('mag/'): + magpath = os.getcwd() + '/mag' + else: + magpath = os.getcwd() + + else: + # File is a .mag layout + # Is the layout file in the current directory, or a full + # path, or is this a project directory? + + if layout_name[0] == '/': + magpath = os.path.split(layout_name)[0] + layout_name = os.path.split(layout_name)[1] + + else: + if not os.path.isfile(layout_name + '.mag'): + if not os.path.isfile('mag/' + layout_name + '.mag'): + print('Error: Cannot find file ' + layout_name + '.mag') + return + else: + magpath = os.getcwd() + '/mag' + else: + magpath = os.getcwd() + + if output_file == '': + output_file = layout_name + '_drc.txt' + + # Check for presence of a .magicrc file, or else check for environment + # variable PDKPATH, or PDK_PATH + + myenv = os.environ.copy() + myenv['MAGTYPE'] = 'mag' + + if os.path.isfile(magpath + '/.magicrc'): + rcfile = magpath + '/.magicrc' + elif os.path.isfile(os.getcwd() + '/.magicrc'): + rcfile = os.getcwd() + '/.magicrc' + else: + if 'PDKPATH' in myenv: + rcpathroot = myenv['PDKPATH'] + '/libs.tech/magic' + rcfile = glob.glob(rcpathroot + '/*.magicrc')[0] + elif 'PDK_PATH' in myenv: + rcpathroot = myenv['PDKPATH'] + '/libs.tech/magic' + rcfile = glob.glob(rcpathroot + '/*.magicrc')[0] + else: + print('Error: Cannot get magic rcfile for the technology!') + return + + # Generate the DRC Tcl script + + # If magpath is writeable, then continue. If not, then if the + # current working directory is writeable, use it. + if not os.access(magpath, os.W_OK): + if os.access(os.getcwd(), os.W_OK): + scriptpath = os.getcwd() + # The output .txt file won't be writeable, either. + output_file = os.path.join(scriptpath, os.path.split(output_file)[1]) + else: + print('Error: Neither the path of the layout or the current directory is writeable.') + return + else: + scriptpath = magpath + + print('Evaluating full DRC results for layout ' + layout_name) + magic_script = scriptpath + "/run_magic_drc_%s.tcl" % os.path.basename(layout_name) + with open(magic_script, 'w') as ofile: + print('# run_magic_drc.tcl ---', file=ofile) + print('# batch script for running DRC', file=ofile) + print('', file=ofile) + print('crashbackups stop', file=ofile) + print('drc euclidean on', file=ofile) + print('drc style drc(full)', file=ofile) + print('drc on', file=ofile) + print('snap internal', file=ofile) + if is_gds: + print('gds flatglob *__example_*', file=ofile) + print('gds flatten true', file=ofile) + print('gds read ' + gdspath + '/' + layout_name, file=ofile) + print('load ' + layout_name, file=ofile) + else: + print('load ' + layout_name + ' -dereference', file=ofile) + print('select top cell', file=ofile) + print('expand', file=ofile) + print('drc catchup', file=ofile) + print('set allerrors [drc listall why]', file=ofile) + print('set oscale [cif scale out]', file=ofile) + print('set ofile [open ' + output_file + ' w]', file=ofile) + print('puts $ofile "DRC errors for cell ' + layout_name + '"', file=ofile) + print('puts $ofile "--------------------------------------------"', file=ofile) + print('foreach {whytext rectlist} $allerrors {', file=ofile) + print(' puts $ofile ""', file=ofile) + print(' puts $ofile $whytext', file=ofile) + print(' foreach rect $rectlist {', file=ofile) + print(' set llx [format "%.3f" [expr $oscale * [lindex $rect 0]]]', + file=ofile) + print(' set lly [format "%.3f" [expr $oscale * [lindex $rect 1]]]', + file=ofile) + print(' set urx [format "%.3f" [expr $oscale * [lindex $rect 2]]]', + file=ofile) + print(' set ury [format "%.3f" [expr $oscale * [lindex $rect 3]]]', + file=ofile) + print(' puts $ofile "$llx $lly $urx $ury"', file=ofile) + print(' }', file=ofile) + print('}', file=ofile) + print('close $ofile', file=ofile) + + # Run the DRC Tcl script + + print('Running: magic -dnull -noconsole -rcfile ' + rcfile + ' ' + magic_script) + print('Running in directory: ' + magpath) + mproc = subprocess.run(['magic', '-dnull', '-noconsole', '-rcfile', + rcfile, magic_script], + env = myenv, cwd = magpath, + stdin = subprocess.DEVNULL, stdout = subprocess.PIPE, + stderr = subprocess.PIPE, universal_newlines = True) + if mproc.stdout: + for line in mproc.stdout.splitlines(): + print(line) + if mproc.stderr: + print('Error message output from magic:') + for line in mproc.stderr.splitlines(): + print(line) + if mproc.returncode != 0: + print('ERROR: Magic exited with status ' + str(mproc.returncode)) + + print('Done!') + +# If called as main, run all DRC tests + +if __name__ == '__main__': + + # Divide up command line into options and arguments + options = [] + arguments = [] + for item in sys.argv[1:]: + if item.find('-', 0) == 0: + options.append(item) + else: + arguments.append(item) + + # Need one argument: path to layout + # If two arguments, then 2nd argument is the output file. + + if len(arguments) > 0 and len(arguments) < 3: + layout_root = arguments[0] + + if len(arguments) == 1: + out_filename = "" + elif len(arguments) > 2: + out_filename = arguments[1] + + if len(arguments) > 0 and len(arguments) < 3: + run_full_drc(layout_root, out_filename) + else: + print("Usage: run_standard_drc.py <layout_name> [<output_file>] [options]") + print("Options:") + print(" (none)") + +
diff --git a/gds/user_analog_project_wrapper.gds b/gds/user_analog_project_wrapper.gds index fb25ecb..00c6a1d 100644 --- a/gds/user_analog_project_wrapper.gds +++ b/gds/user_analog_project_wrapper.gds Binary files differ
diff --git a/gds/user_analog_project_wrapper_drc.txt b/gds/user_analog_project_wrapper_drc.txt new file mode 100644 index 0000000..fc51608 --- /dev/null +++ b/gds/user_analog_project_wrapper_drc.txt
@@ -0,0 +1,2 @@ +DRC errors for cell user_analog_project_wrapper +--------------------------------------------