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Initial DRC with Magic is done.

This commit is contained in:
Matt Guthaus 2018-01-12 14:39:42 -08:00
parent 7a172873a3
commit 1b30eb4b64
5 changed files with 91 additions and 91 deletions
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3
compiler/globals.py
View File

@ -109,7 +109,6 @@ def get_tool(tool_type, preferences):
one selected and its full path. one selected and its full path.
""" """
debug.info(2,"Finding {} tool...".format(tool_type)) debug.info(2,"Finding {} tool...".format(tool_type))
global OPTS
for name in preferences: for name in preferences:
exe_name = find_exe(name) exe_name = find_exe(name)
@ -129,6 +128,8 @@ def read_config(config_file):
config file is just a Python file that defines some config config file is just a Python file that defines some config
options. options.
""" """
global OPTS
# Create a full path relative to current dir unless it is already an abs path # Create a full path relative to current dir unless it is already an abs path
if not os.path.isabs(config_file): if not os.path.isabs(config_file):
config_file = os.getcwd() + "/" + config_file config_file = os.getcwd() + "/" + config_file

6
compiler/options.py
View File

@ -23,9 +23,9 @@ class options(optparse.Values):
# Should we print out the banner at startup # Should we print out the banner at startup
print_banner = True print_banner = True
# The DRC/LVS/PEX executable being used which is derived from the user PATH. # The DRC/LVS/PEX executable being used which is derived from the user PATH.
drc_exe = "" drc_exe = None
lvs_exe = "" lvs_exe = None
pex_exe = "" pex_exe = None
# The spice executable being used which is derived from the user PATH. # The spice executable being used which is derived from the user PATH.
spice_exe = "" spice_exe = ""
# Run with extracted parasitics # Run with extracted parasitics

34
compiler/verify/__init__.py
View File

@ -16,43 +16,43 @@ debug.info(2,"Initializing verify...")
if not OPTS.check_lvsdrc: if not OPTS.check_lvsdrc:
debug.info(1,"LVS/DRC/PEX disabled.") debug.info(1,"LVS/DRC/PEX disabled.")
drc_exe = None OPTS.drc_exe = None
lvs_exe = None OPTS.lvs_exe = None
pex_exe = None OPTS.pex_exe = None
else: else:
drc_exe = get_tool("DRC",["calibre","assura","magic"]) OPTS.drc_exe = get_tool("DRC",["calibre","assura","magic"])
lvs_exe = get_tool("LVS",["calibre","assura","netgen"]) OPTS.lvs_exe = get_tool("LVS",["calibre","assura","netgen"])
pex_exe = get_tool("PEX",["calibre","magic"]) OPTS.pex_exe = get_tool("PEX",["calibre","magic"])
if drc_exe == None: if OPTS.drc_exe == None:
pass pass
elif "calibre" in drc_exe: elif "calibre" in OPTS.drc_exe:
from calibre import run_drc from calibre import run_drc
elif "assura" in drc_exe: elif "assura" in OPTS.drc_exe:
from assura import run_drc from assura import run_drc
elif "magic" in drc_exe: elif "magic" in OPTS.drc_exe:
from magic import run_drc from magic import run_drc
else: else:
debug.warning("Did not find a supported DRC tool.") debug.warning("Did not find a supported DRC tool.")
if lvs_exe == None: if OPTS.lvs_exe == None:
pass pass
elif "calibre" in lvs_exe: elif "calibre" in OPTS.lvs_exe:
from calibre import run_lvs from calibre import run_lvs
elif "assura" in lvs_exe: elif "assura" in OPTS.lvs_exe:
from assura import run_lvs from assura import run_lvs
elif "netgen" in lvs_exe: elif "netgen" in OPTS.lvs_exe:
from magic import run_lvs from magic import run_lvs
else: else:
debug.warning("Did not find a supported LVS tool.") debug.warning("Did not find a supported LVS tool.")
if pex_exe == None: if OPTS.pex_exe == None:
pass pass
elif "calibre" in pex_exe: elif "calibre" in OPTS.pex_exe:
from calibre import run_pex from calibre import run_pex
elif "magic" in pex_exe: elif "magic" in OPTS.pex_exe:
from magic import run_pex from magic import run_pex
else: else:
debug.warning("Did not find a supported PEX tool.") debug.warning("Did not find a supported PEX tool.")

83
compiler/verify/calibre.py
View File

@ -66,7 +66,7 @@ from globals import OPTS
import subprocess import subprocess
def run_drc(name, gds_name): def run_drc(cell_name, gds_name):
"""Run DRC check on a given top-level name which is """Run DRC check on a given top-level name which is
implemented in gds_name.""" implemented in gds_name."""
@ -78,11 +78,11 @@ def run_drc(name, gds_name):
'drcRulesFile': drc_rules, 'drcRulesFile': drc_rules,
'drcRunDir': OPTS.openram_temp, 'drcRunDir': OPTS.openram_temp,
'drcLayoutPaths': gds_name, 'drcLayoutPaths': gds_name,
'drcLayoutPrimary': name, 'drcLayoutPrimary': cell_name,
'drcLayoutSystem': 'GDSII', 'drcLayoutSystem': 'GDSII',
'drcResultsformat': 'ASCII', 'drcResultsformat': 'ASCII',
'drcResultsFile': OPTS.openram_temp + name + ".drc.results", 'drcResultsFile': OPTS.openram_temp + cell_name + ".drc.results",
'drcSummaryFile': OPTS.openram_temp + name + ".drc.summary", 'drcSummaryFile': OPTS.openram_temp + cell_name + ".drc.summary",
'cmnFDILayerMapFile': drc["layer_map"], 'cmnFDILayerMapFile': drc["layer_map"],
'cmnFDIUseLayerMap': 1 'cmnFDIUseLayerMap': 1
} }
@ -96,12 +96,13 @@ def run_drc(name, gds_name):
# run drc # run drc
cwd = os.getcwd() cwd = os.getcwd()
os.chdir(OPTS.openram_temp) os.chdir(OPTS.openram_temp)
errfile = "{0}{1}.drc.err".format(OPTS.openram_temp, name) errfile = "{0}{1}.drc.err".format(OPTS.openram_temp, cell_name)
outfile = "{0}{1}.drc.out".format(OPTS.openram_temp, name) outfile = "{0}{1}.drc.out".format(OPTS.openram_temp, cell_name)
cmd = "calibre -gui -drc {0}drc_runset -batch 2> {1} 1> {2}".format(OPTS.openram_temp, cmd = "{0} -gui -drc {1}drc_runset -batch 2> {2} 1> {3}".format(OPTS.drc_exe[1],
errfile, OPTS.openram_temp,
outfile) errfile,
outfile)
debug.info(1, cmd) debug.info(1, cmd)
os.system(cmd) os.system(cmd)
os.chdir(cwd) os.chdir(cwd)
@ -124,19 +125,19 @@ def run_drc(name, gds_name):
# always display this summary # always display this summary
if errors > 0: if errors > 0:
debug.error("{0}\tGeometries: {1}\tChecks: {2}\tErrors: {3}".format(name, debug.error("{0}\tGeometries: {1}\tChecks: {2}\tErrors: {3}".format(cell_name,
geometries, geometries,
rulechecks, rulechecks,
errors)) errors))
else: else:
debug.info(1, "{0}\tGeometries: {1}\tChecks: {2}\tErrors: {3}".format(name, debug.info(1, "{0}\tGeometries: {1}\tChecks: {2}\tErrors: {3}".format(cell_name,
geometries, geometries,
rulechecks, rulechecks,
errors)) errors))
return errors return errors
def run_lvs(name, gds_name, sp_name): def run_lvs(cell_name, gds_name, sp_name):
"""Run LVS check on a given top-level name which is """Run LVS check on a given top-level name which is
implemented in gds_name and sp_name. """ implemented in gds_name and sp_name. """
from tech import drc from tech import drc
@ -145,9 +146,9 @@ def run_lvs(name, gds_name, sp_name):
'lvsRulesFile': lvs_rules, 'lvsRulesFile': lvs_rules,
'lvsRunDir': OPTS.openram_temp, 'lvsRunDir': OPTS.openram_temp,
'lvsLayoutPaths': gds_name, 'lvsLayoutPaths': gds_name,
'lvsLayoutPrimary': name, 'lvsLayoutPrimary': cell_name,
'lvsSourcePath': sp_name, 'lvsSourcePath': sp_name,
'lvsSourcePrimary': name, 'lvsSourcePrimary': cell_name,
'lvsSourceSystem': 'SPICE', 'lvsSourceSystem': 'SPICE',
'lvsSpiceFile': OPTS.openram_temp + "extracted.sp", 'lvsSpiceFile': OPTS.openram_temp + "extracted.sp",
'lvsPowerNames': 'vdd', 'lvsPowerNames': 'vdd',
@ -155,10 +156,10 @@ def run_lvs(name, gds_name, sp_name):
'lvsIncludeSVRFCmds': 1, 'lvsIncludeSVRFCmds': 1,
'lvsSVRFCmds': '{VIRTUAL CONNECT NAME VDD? GND? ?}', 'lvsSVRFCmds': '{VIRTUAL CONNECT NAME VDD? GND? ?}',
'lvsIgnorePorts': 1, 'lvsIgnorePorts': 1,
'lvsERCDatabase': OPTS.openram_temp + name + ".erc.results", 'lvsERCDatabase': OPTS.openram_temp + cell_name + ".erc.results",
'lvsERCSummaryFile': OPTS.openram_temp + name + ".erc.summary", 'lvsERCSummaryFile': OPTS.openram_temp + cell_name + ".erc.summary",
'lvsReportFile': OPTS.openram_temp + name + ".lvs.report", 'lvsReportFile': OPTS.openram_temp + cell_name + ".lvs.report",
'lvsMaskDBFile': OPTS.openram_temp + name + ".maskdb", 'lvsMaskDBFile': OPTS.openram_temp + cell_name + ".maskdb",
'cmnFDILayerMapFile': drc["layer_map"], 'cmnFDILayerMapFile': drc["layer_map"],
'cmnFDIUseLayerMap': 1, 'cmnFDIUseLayerMap': 1,
'cmnVConnectNames': 'vdd, gnd', 'cmnVConnectNames': 'vdd, gnd',
@ -174,12 +175,13 @@ def run_lvs(name, gds_name, sp_name):
# run LVS # run LVS
cwd = os.getcwd() cwd = os.getcwd()
os.chdir(OPTS.openram_temp) os.chdir(OPTS.openram_temp)
errfile = "{0}{1}.lvs.err".format(OPTS.openram_temp, name) errfile = "{0}{1}.lvs.err".format(OPTS.openram_temp, cell_name)
outfile = "{0}{1}.lvs.out".format(OPTS.openram_temp, name) outfile = "{0}{1}.lvs.out".format(OPTS.openram_temp, cell_name)
cmd = "calibre -gui -lvs {0}lvs_runset -batch 2> {1} 1> {2}".format(OPTS.openram_temp, cmd = "{0} -gui -lvs {1}lvs_runset -batch 2> {2} 1> {3}".format(OPTS.lvs_exe[1],
errfile, OPTS.openram_temp,
outfile) errfile,
outfile)
debug.info(1, cmd) debug.info(1, cmd)
os.system(cmd) os.system(cmd)
os.chdir(cwd) os.chdir(cwd)
@ -244,7 +246,7 @@ def run_lvs(name, gds_name, sp_name):
return total_errors return total_errors
def run_pex(name, gds_name, sp_name, output=None): def run_pex(cell_name, gds_name, sp_name, output=None):
"""Run pex on a given top-level name which is """Run pex on a given top-level name which is
implemented in gds_name and sp_name. """ implemented in gds_name and sp_name. """
from tech import drc from tech import drc
@ -253,24 +255,24 @@ def run_pex(name, gds_name, sp_name, output=None):
# check if lvs report has been done # check if lvs report has been done
# if not run drc and lvs # if not run drc and lvs
if not os.path.isfile(name + ".lvs.report"): if not os.path.isfile(cell_name + ".lvs.report"):
run_drc(name, gds_name) run_drc(cell_name, gds_name)
run_lvs(name, gds_name, sp_name) run_lvs(cell_name, gds_name, sp_name)
pex_rules = drc["xrc_rules"] pex_rules = drc["xrc_rules"]
pex_runset = { pex_runset = {
'pexRulesFile': pex_rules, 'pexRulesFile': pex_rules,
'pexRunDir': OPTS.openram_temp, 'pexRunDir': OPTS.openram_temp,
'pexLayoutPaths': gds_name, 'pexLayoutPaths': gds_name,
'pexLayoutPrimary': name, 'pexLayoutPrimary': cell_name,
#'pexSourcePath' : OPTS.openram_temp+"extracted.sp", #'pexSourcePath' : OPTS.openram_temp+"extracted.sp",
'pexSourcePath': sp_name, 'pexSourcePath': sp_name,
'pexSourcePrimary': name, 'pexSourcePrimary': cell_name,
'pexReportFile': name + ".lvs.report", 'pexReportFile': cell_name + ".lvs.report",
'pexPexNetlistFile': output, 'pexPexNetlistFile': output,
'pexPexReportFile': name + ".pex.report", 'pexPexReportFile': cell_name + ".pex.report",
'pexMaskDBFile': name + ".maskdb", 'pexMaskDBFile': cell_name + ".maskdb",
'cmnFDIDEFLayoutPath': name + ".def", 'cmnFDIDEFLayoutPath': cell_name + ".def",
} }
# write the runset file # write the runset file
@ -282,12 +284,13 @@ def run_pex(name, gds_name, sp_name, output=None):
# run pex # run pex
cwd = os.getcwd() cwd = os.getcwd()
os.chdir(OPTS.openram_temp) os.chdir(OPTS.openram_temp)
errfile = "{0}{1}.pex.err".format(OPTS.openram_temp, name) errfile = "{0}{1}.pex.err".format(OPTS.openram_temp, cell_name)
outfile = "{0}{1}.pex.out".format(OPTS.openram_temp, name) outfile = "{0}{1}.pex.out".format(OPTS.openram_temp, cell_name)
cmd = "calibre -gui -pex {0}pex_runset -batch 2> {1} 1> {2}".format(OPTS.openram_temp, cmd = "{0} -gui -pex {1}pex_runset -batch 2> {2} 1> {3}".format(OPTS.pex_exe[1],
errfile, OPTS.openram_temp,
outfile) errfile,
outfile)
debug.info(2, cmd) debug.info(2, cmd)
os.system(cmd) os.system(cmd)
os.chdir(cwd) os.chdir(cwd)
@ -306,7 +309,7 @@ def run_pex(name, gds_name, sp_name, output=None):
out_errors = len(stdouterrors) out_errors = len(stdouterrors)
assert(os.path.isfile(output)) assert(os.path.isfile(output))
correct_port(name, output, sp_name) correct_port(cell_name, output, sp_name)
return out_errors return out_errors
@ -329,7 +332,7 @@ def correct_port(name, output_file_name, ref_file_name):
part2 = pex_file.read() part2 = pex_file.read()
pex_file.close() pex_file.close()
# obatin the correct definition line from the original spice file # obtain the correct definition line from the original spice file
sp_file = open(ref_file_name, "r") sp_file = open(ref_file_name, "r")
contents = sp_file.read() contents = sp_file.read()
circuit_title = re.search(".SUBCKT " + str(name) + ".*\n", contents) circuit_title = re.search(".SUBCKT " + str(name) + ".*\n", contents)

56
compiler/verify/magic.py
View File

@ -60,28 +60,28 @@ from globals import OPTS
import subprocess import subprocess
def run_drc(name, gds_name): def run_drc(cell_name, gds_name):
"""Run DRC check on a given top-level name which is """Run DRC check on a cell which is implemented in gds_name."""
implemented in gds_name.""" global OPTS
# the runset file contains all the options to run drc # the runset file contains all the options to run drc
from tech import drc from tech import drc
drc_rules = drc["drc_rules"] drc_rules = drc["drc_rules"]
top_cell_name = re.sub(r'\.gds$', "", gds_name)
run_file = OPTS.openram_temp + "run_drc.sh" run_file = OPTS.openram_temp + "run_drc.sh"
f = open(run_file, "w") f = open(run_file, "w")
f.write("#!/bin/sh\n") f.write("#!/bin/sh\n")
f.write("{} -dnull -noconsole << EOF\n".format(OPTS.drc_exe)) f.write("{} -dnull -noconsole << EOF\n".format(OPTS.drc_exe[1]))
f.write("tech load SCN3ME_SUBM.30\n") f.write("tech load SCN3ME_SUBM.30\n")
f.write("gds rescale false\n") f.write("gds rescale false\n")
f.write("gds polygon subcell true\n") f.write("gds polygon subcell true\n")
f.write("gds warning default\n") f.write("gds warning default\n")
f.write("gds read {}\n".format(gds_name)) f.write("gds read {}\n".format(gds_name))
f.write("load {}\n".format(top_cell_name)) f.write("load {}\n".format(cell_name))
f.write("drc check\n")
f.write("drc catchup\n")
f.write("drc count total\n")
f.write("drc count\n") f.write("drc count\n")
f.write("drc why\n")
f.write("quit -noprompt\n") f.write("quit -noprompt\n")
f.write("EOF\n") f.write("EOF\n")
@ -91,8 +91,8 @@ def run_drc(name, gds_name):
# run drc # run drc
cwd = os.getcwd() cwd = os.getcwd()
os.chdir(OPTS.openram_temp) os.chdir(OPTS.openram_temp)
errfile = "{0}{1}.drc.err".format(OPTS.openram_temp, name) errfile = "{0}{1}.drc.err".format(OPTS.openram_temp, cell_name)
outfile = "{0}{1}.drc.out".format(OPTS.openram_temp, name) outfile = "{0}{1}.drc.out".format(OPTS.openram_temp, cell_name)
cmd = "{0}run_drc.sh 2> {1} 1> {2}".format(OPTS.openram_temp, cmd = "{0}run_drc.sh 2> {1} 1> {2}".format(OPTS.openram_temp,
errfile, errfile,
@ -101,36 +101,32 @@ def run_drc(name, gds_name):
os.system(cmd) os.system(cmd)
os.chdir(cwd) os.chdir(cwd)
debug.warning("DRC using magic not implemented.") # Check the result for these lines in the summary:
return 1 # Total DRC errors found: 0
# The count is shown in this format:
# check the result for these lines in the summary: # Cell replica_cell_6t has 3 error tiles.
# TOTAL Original Layer Geometries: 106 (157) # Cell tri_gate_array has 8 error tiles.
# TOTAL DRC RuleChecks Executed: 156 # etc.
# TOTAL DRC Results Generated: 0 (0)
try: try:
f = open(drc_runset['drcSummaryFile'], "r") f = open(outfile, "r")
except: except:
debug.error("Unable to retrieve DRC results file. Is magic set up?",1) debug.error("Unable to retrieve DRC results file. Is magic set up?",1)
results = f.readlines() results = f.readlines()
f.close() f.close()
# those lines should be the last 3 # those lines should be the last 3
results = results[-3:] for line in results:
geometries = int(re.split("\W+", results[0])[5]) if "Total DRC errors found:" in line:
rulechecks = int(re.split("\W+", results[1])[4]) errors = int(re.split(":\W+", line)[1])
errors = int(re.split("\W+", results[2])[5]) break
# always display this summary # always display this summary
if errors > 0: if errors > 0:
debug.error("{0}\tGeometries: {1}\tChecks: {2}\tErrors: {3}".format(name, for line in results:
geometries, if "error tiles" in line:
rulechecks, print line.rstrip("\n")
errors)) debug.error("{0}\tErrors: {1}".format(cell_name, errors))
else: else:
debug.info(1, "{0}\tGeometries: {1}\tChecks: {2}\tErrors: {3}".format(name, debug.info(1, "{0}\tErrors: {1}".format(cell_name, errors))
geometries,
rulechecks,
errors))
return errors return errors