Completed the unfinished DRC check script, renamed it to
"run_standard_drc.py", and added a preliminary antenna rule
violation check script.
diff --git a/sky130/Makefile.in b/sky130/Makefile.in
index df68956..3e10159 100644
--- a/sky130/Makefile.in
+++ b/sky130/Makefile.in
@@ -418,6 +418,8 @@
cp -rp custom/scripts/bump_bond_generator ${MAGIC_STAGING_A}/.
cp custom/scripts/generate_fill.py ${MAGIC_STAGING_A}/.
cp custom/scripts/check_density.py ${MAGIC_STAGING_A}/.
+ cp custom/scripts/run_standard_drc.py ${MAGIC_STAGING_A}/.
+ cp custom/scripts/check_antenna.py ${MAGIC_STAGING_A}/.
${CPP} ${SKY130A_DEFS} magic/${TECH}.tech ${MAGIC_STAGING_A}/${SKY130A}.tech
${CPP} ${SKY130A_DEFS} magic/${TECH}gds.tech ${MAGIC_STAGING_A}/${SKY130A}-GDS.tech
${CPP} ${SKY130A_DEFS} magic/${TECH}.magicrc ${MAGIC_STAGING_A}/${SKY130A}.magicrc
diff --git a/sky130/custom/scripts/check_antenna.py b/sky130/custom/scripts/check_antenna.py
new file mode 100755
index 0000000..86441d3
--- /dev/null
+++ b/sky130/custom/scripts/check_antenna.py
@@ -0,0 +1,152 @@
+#!/bin/env python3
+#-------------------------------------------------------------------------
+# check_antenna.py --- A script to run magic in batch mode and run the
+# antenna violation checks on a layout.
+#
+# Usage:
+#
+# check_antenna.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 sys
+import os
+import re
+
+# Work in progress
+
+def run_antenna(layout_name, output_file):
+
+ # Remove any extension from layout_name
+ layout_name = os.path.splitext(layout_name)[0]
+
+ # 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 + '_ant.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 antenna check Tcl script
+
+ print('Evaluating antenna rule violations on layout ' + layout_name)
+
+ with open('run_magic_antenna.tcl', 'w') as ofile:
+ print('# run_magic_antenna.tcl ---', file=ofile)
+ print('# batch script for running DRC', file=ofile)
+ print('', file=ofile)
+ print('crashbackups stop', file=ofile)
+ print('drc off', file=ofile)
+ print('snap internal', file=ofile)
+ print('load ' + layout_name + ' -dereference', file=ofile)
+ print('select top cell', file=ofile)
+ print('expand', file=ofile)
+ print('extract do local', file=ofile)
+ print('extract no all', file=ofile)
+ print('extract all', file=ofile)
+ print('antennacheck', file=ofile)
+
+ # Run the DRC Tcl script
+
+ ofile = open(output_file, 'w')
+ print('Antenna violation checks on cell ' + layout_name, file=ofile)
+ print('--------------------------------------------', file=ofile)
+
+ print('Running: magic -dnull -noconsole
+
+ mproc = subprocess.run(['magic', '-dnull', '-noconsole',
+ '-rcfile', rcfile, 'run_magic_antenna.tcl'],
+ 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)
+ print(line, file=ofile)
+ if mproc.stderr:
+ print('\nError message output from magic:')
+ print('\nError message output from magic:', file=ofile)
+ for line in mproc.stderr.splitlines():
+ print(line)
+ print(line, file=ofile)
+ if mproc.returncode != 0:
+ print('\nERROR: Magic exited with status ' + str(mproc.returncode))
+ print('\nERROR: Magic exited with status ' + str(mproc.returncode), file=ofile)
+
+ ofile.close()
+
+ 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) > 1:
+ out_filename = arguments[1]
+
+ if len(arguments) > 0 and len(arguments) < 3:
+ run_antenna(layout_root, out_filename)
+ else:
+ print("Usage: check_antenna.py <layout_name> [<output_file>] [options]")
+ print("Options:")
+ print(" (none)")
+
+
diff --git a/sky130/custom/scripts/run_drc.py b/sky130/custom/scripts/run_drc.py
deleted file mode 100755
index 0513066..0000000
--- a/sky130/custom/scripts/run_drc.py
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/bin/env python3
-#-------------------------------------------------------------------------
-# run_drc.py --- A script to run magic in batch mode and apply full DRC
-# checks on a layout. This inclues full DRC, antenna rule checks, and
-# density checks.
-#
-# Usage:
-#
-# run_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 sys
-import os
-import re
-
-# Work in progress
-
-def run_full_drc(layout_name, output_file):
- with open('run_magic_drc.tcl', 'w') as ofile:
-
- # Create the GDS of the seal ring
-
- mproc = subprocess.run(['magic', '-dnull', '-noconsole',
- 'run_magic_drc.tcl'],
- 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))
-
-# 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) < 3:
- layout_root = arguments[1]
-
- if len(arguments == 1):
- out_fileroot = layout_root + "_drc.txt"
- else:
- out_fileroot = arguments[2]
-
- if len(arguments) < 3:
- run_full_drc(layout_root, out_filename)
- else:
- print("Usage: run_drc.py <layout_name> [<output_file>] [options]")
- print("Options:")
- print(" (none)")
-
-
diff --git a/sky130/custom/scripts/run_standard_drc.py b/sky130/custom/scripts/run_standard_drc.py
new file mode 100755
index 0000000..02f2cf7
--- /dev/null
+++ b/sky130/custom/scripts/run_standard_drc.py
@@ -0,0 +1,199 @@
+#!/bin/env python3
+#-------------------------------------------------------------------------
+# 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
+
+ print('Evaluating full DRC results for layout ' + layout_name)
+ with open(magpath + '/run_magic_drc.tcl', '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 + ' run_magic_drc.tcl')
+ print('Running in directory: ' + magpath)
+ mproc = subprocess.run(['magic', '-dnull', '-noconsole', '-rcfile',
+ rcfile, 'run_magic_drc.tcl'],
+ 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)")
+
+
