mirror of https://github.com/VLSIDA/OpenRAM.git
Simplify DRC and LVS run scripts.
Modified run scripts to work on local only files in the temp directory. This assumes the files and subckts are named the same as the clel name. Script now copies library files to the temp directory as well.
This commit is contained in:
Matt Guthaus
parent
51a97979b9
commit
946a0aca86
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@ -66,6 +66,7 @@ more cell_6t.lvs.report
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import os
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import shutil
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import re
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import time
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import debug
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@ -77,7 +78,7 @@ num_drc_runs = 0
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num_lvs_runs = 0
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num_pex_runs = 0
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def write_calibre_drc_script(cell_name, gds_name, extract, final_verification):
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def write_calibre_drc_script(cell_name, extract, final_verification):
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""" Write a Calibre runset file and script to run DRC """
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# the runset file contains all the options to run calibre
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from tech import drc
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@ -86,12 +87,12 @@ def write_calibre_drc_script(cell_name, gds_name, extract, final_verification):
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drc_runset = {
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'drcRulesFile': drc_rules,
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'drcRunDir': OPTS.openram_temp,
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'drcLayoutPaths': gds_name,
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'drcLayoutPaths': cell_name + ".gds",
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'drcLayoutPrimary': cell_name,
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'drcLayoutSystem': 'GDSII',
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'drcResultsformat': 'ASCII',
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'drcResultsFile': OPTS.openram_temp + cell_name + ".drc.results",
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'drcSummaryFile': OPTS.openram_temp + cell_name + ".drc.summary",
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'drcResultsFile': cell_name + ".drc.results",
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'drcSummaryFile': cell_name + ".drc.summary",
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'cmnFDILayerMapFile': drc["layer_map"],
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'cmnFDIUseLayerMap': 1
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}
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@ -114,7 +115,7 @@ def write_calibre_drc_script(cell_name, gds_name, extract, final_verification):
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os.system("chmod u+x {}".format(run_file))
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return drc_runset
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def write_calibre_lvs_script(cell_name, gds_name, sp_name, final_verification):
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def write_calibre_lvs_script(cell_name, final_verification):
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""" Write a Calibre runset file and script to run LVS """
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from tech import drc
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@ -122,20 +123,20 @@ def write_calibre_lvs_script(cell_name, gds_name, sp_name, final_verification):
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lvs_runset = {
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'lvsRulesFile': lvs_rules,
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'lvsRunDir': OPTS.openram_temp,
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'lvsLayoutPaths': gds_name,
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'lvsLayoutPaths': cell_name + ".gds",
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'lvsLayoutPrimary': cell_name,
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'lvsSourcePath': sp_name,
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'lvsSourcePath': cell_name + ".sp",
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'lvsSourcePrimary': cell_name,
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'lvsSourceSystem': 'SPICE',
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'lvsSpiceFile': OPTS.openram_temp + "extracted.sp",
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'lvsSpiceFile': "extracted.sp",
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'lvsPowerNames': 'vdd',
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'lvsGroundNames': 'gnd',
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'lvsIncludeSVRFCmds': 1,
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'lvsIgnorePorts': 1,
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'lvsERCDatabase': OPTS.openram_temp + cell_name + ".erc.results",
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'lvsERCSummaryFile': OPTS.openram_temp + cell_name + ".erc.summary",
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'lvsReportFile': OPTS.openram_temp + cell_name + ".lvs.report",
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'lvsMaskDBFile': OPTS.openram_temp + cell_name + ".maskdb",
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'lvsERCDatabase': cell_name + ".erc.results",
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'lvsERCSummaryFile': cell_name + ".erc.summary",
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'lvsReportFile': cell_name + ".lvs.report",
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'lvsMaskDBFile': cell_name + ".maskdb",
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'cmnFDILayerMapFile': drc["layer_map"],
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'cmnFDIUseLayerMap': 1,
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'cmnTranscriptFile': './lvs.log',
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@ -185,7 +186,11 @@ def run_drc(cell_name, gds_name, extract=False, final_verification=False):
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global num_drc_runs
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num_drc_runs += 1
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drc_runset = write_calibre_drc_script(cell_name, gds_name, extract, final_verification)
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# Copy file to local dir if it isn't already
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if os.path.dirname(gds_name)!=OPTS.openram_temp.rstrip('/'):
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shutil.copy(gds_name, OPTS.openram_temp)
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drc_runset = write_calibre_drc_script(cell_name, extract, final_verification)
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# run drc
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cwd = os.getcwd()
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@ -193,9 +198,7 @@ def run_drc(cell_name, gds_name, extract=False, final_verification=False):
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errfile = "{0}{1}.drc.err".format(OPTS.openram_temp, cell_name)
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outfile = "{0}{1}.drc.out".format(OPTS.openram_temp, cell_name)
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cmd = "{0}run_drc.sh 2> {1} 1> {2}".format(OPTS.openram_temp,
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errfile,
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outfile)
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cmd = "run_drc.sh 2> {0} 1> {1}".format(errfile, outfile)
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debug.info(2, cmd)
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os.system(cmd)
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os.chdir(cwd)
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@ -205,7 +208,7 @@ def run_drc(cell_name, gds_name, extract=False, final_verification=False):
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# TOTAL DRC RuleChecks Executed: 156
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# TOTAL DRC Results Generated: 0 (0)
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try:
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f = open(drc_runset['drcSummaryFile'], "r")
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f = open(OPTS.openram_temp + drc_runset['drcSummaryFile'], "r")
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except:
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debug.error("Unable to retrieve DRC results file. Is calibre set up?",1)
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results = f.readlines()
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@ -238,23 +241,27 @@ def run_lvs(cell_name, gds_name, sp_name, final_verification=False):
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global num_lvs_runs
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num_lvs_runs += 1
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lvs_runset = write_calibre_lvs_script(cell_name, gds_name, sp_name, final_verification)
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lvs_runset = write_calibre_lvs_script(cell_name, final_verification)
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# Copy file to local dir if it isn't already
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if os.path.dirname(gds_name)!=OPTS.openram_temp.rstrip('/'):
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shutil.copy(gds_name, OPTS.openram_temp)
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if os.path.dirname(sp_name)!=OPTS.openram_temp.rstrip('/'):
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shutil.copy(sp_name, OPTS.openram_temp)
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# run lvs
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cwd = os.getcwd()
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os.chdir(OPTS.openram_temp)
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errfile = "{0}{1}.lvs.err".format(OPTS.openram_temp, cell_name)
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outfile = "{0}{1}.lvs.out".format(OPTS.openram_temp, cell_name)
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cmd = "{0}run_lvs.sh 2> {1} 1> {2}".format(OPTS.openram_temp,
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errfile,
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outfile)
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cmd = "run_lvs.sh 2> {0} 1> {1}".format(errfile, outfile)
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debug.info(2, cmd)
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os.system(cmd)
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os.chdir(cwd)
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# check the result for these lines in the summary:
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f = open(lvs_runset['lvsReportFile'], "r")
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f = open(OPTS.openram_temp + lvs_runset['lvsReportFile'], "r")
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results = f.readlines()
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f.close()
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@ -277,7 +284,7 @@ def run_lvs(cell_name, gds_name, sp_name, final_verification=False):
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summary_errors = len(notcompared) + len(incorrect) + len(errors)
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# also check the extraction summary file
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f = open(lvs_runset['lvsReportFile'] + ".ext", "r")
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f = open(OPTS.openram_temp + lvs_runset['lvsReportFile'] + ".ext", "r")
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results = f.readlines()
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f.close()
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@ -33,7 +33,7 @@ num_drc_runs = 0
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num_lvs_runs = 0
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num_pex_runs = 0
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def write_magic_script(cell_name, gds_name, extract=False, final_verification=False):
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def write_magic_script(cell_name, extract=False, final_verification=False):
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""" Write a magic script to perform DRC and optionally extraction. """
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global OPTS
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@ -44,7 +44,7 @@ def write_magic_script(cell_name, gds_name, extract=False, final_verification=Fa
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f.write("{} -dnull -noconsole << EOF\n".format(OPTS.drc_exe[1]))
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f.write("gds polygon subcell true\n")
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f.write("gds warning default\n")
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f.write("gds read {}\n".format(gds_name))
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f.write("gds read {}.gds\n".format(cell_name))
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f.write("load {}\n".format(cell_name))
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# Flatten the cell to get rid of DRCs spanning multiple layers
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# (e.g. with routes)
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@ -92,7 +92,7 @@ def write_magic_script(cell_name, gds_name, extract=False, final_verification=Fa
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f.close()
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os.system("chmod u+x {}".format(run_file))
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def write_netgen_script(cell_name, sp_name):
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def write_netgen_script(cell_name):
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""" Write a netgen script to perform LVS. """
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global OPTS
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@ -110,14 +110,8 @@ def write_netgen_script(cell_name, sp_name):
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f.write("#!/bin/sh\n")
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f.write("{} -noconsole << EOF\n".format(OPTS.lvs_exe[1]))
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f.write("readnet spice {0}.spice\n".format(cell_name))
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f.write("readnet spice {0}\n".format(sp_name))
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# Allow some flexibility in W size because magic will snap to a lambda grid
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# This can also cause disconnects unfortunately!
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# f.write("property {{{0}{1}.spice nfet}} tolerance {{w 0.1}}\n".format(OPTS.openram_temp,
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# cell_name))
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# f.write("property {{{0}{1}.spice pfet}} tolerance {{w 0.1}}\n".format(OPTS.openram_temp,
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# cell_name))
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f.write("lvs {{{0}.spice {0}}} {{{1} {0}}} {2} {0}.lvs.report\n".format(cell_name, sp_name, setup_file))
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f.write("readnet spice {0}.sp\n".format(cell_name))
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f.write("lvs {{{0}.spice {0}}} {{{0}.sp {0}}} {1} {0}.lvs.report\n".format(cell_name, setup_file))
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f.write("quit\n")
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f.write("EOF\n")
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f.close()
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@ -130,6 +124,10 @@ def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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global num_drc_runs
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num_drc_runs += 1
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# Copy file to local dir if it isn't already
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if os.path.dirname(gds_name)!=OPTS.openram_temp.rstrip('/'):
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shutil.copy(gds_name, OPTS.openram_temp)
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# Copy .magicrc file into temp dir
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magic_file = OPTS.openram_tech + "mag_lib/.magicrc"
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if os.path.exists(magic_file):
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@ -137,7 +135,7 @@ def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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else:
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debug.warning("Could not locate .magicrc file: {}".format(magic_file))
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write_magic_script(cell_name, gds_name, extract, final_verification)
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write_magic_script(cell_name, extract, final_verification)
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# run drc
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cwd = os.getcwd()
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@ -194,8 +192,14 @@ def run_lvs(cell_name, gds_name, sp_name, final_verification=False):
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global num_lvs_runs
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num_lvs_runs += 1
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# Copy file to local dir if it isn't already
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if os.path.dirname(gds_name)!=OPTS.openram_temp.rstrip('/'):
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shutil.copy(gds_name, OPTS.openram_temp)
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if os.path.dirname(sp_name)!=OPTS.openram_temp.rstrip('/'):
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shutil.copy(sp_name, OPTS.openram_temp)
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write_netgen_script(cell_name, sp_name)
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write_netgen_script(cell_name)
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# run LVS
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cwd = os.getcwd()
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