mirror of https://github.com/VLSIDA/OpenRAM.git
Use readspice to define ports from sp netlist in Magic extract.
This commit is contained in:
mrg
parent
31ae56ff39
commit
03dad01e4c
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@ -73,11 +73,11 @@ class hierarchy_design(hierarchy_spice.spice, hierarchy_layout.layout):
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elif (OPTS.inline_lvsdrc or force_check or final_verification):
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tempspice = "{0}/{1}.sp".format(OPTS.openram_temp, self.name)
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tempgds = "{0}/{1}.gds".format(OPTS.openram_temp, self.name)
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self.lvs_write(tempspice)
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tempgds = "{0}/{1}.gds".format(OPTS.openram_temp, self.name)
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self.gds_write(tempgds)
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# Final verification option does not allow nets to be connected by label.
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self.drc_errors = verify.run_drc(self.cell_name, tempgds, extract=True, final_verification=final_verification)
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self.drc_errors = verify.run_drc(self.cell_name, tempgds, tempspice, extract=True, final_verification=final_verification)
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self.lvs_errors = verify.run_lvs(self.cell_name, tempgds, tempspice, final_verification=final_verification)
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# force_check is used to determine decoder height and other things, so we shouldn't fail
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@ -105,9 +105,11 @@ class hierarchy_design(hierarchy_spice.spice, hierarchy_layout.layout):
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if OPTS.netlist_only:
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return
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elif (not OPTS.is_unit_test and OPTS.check_lvsdrc and (OPTS.inline_lvsdrc or final_verification)):
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tempgds = "{0}/{1}.gds".format(OPTS.openram_temp, self.cell_name)
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tempspice = "{0}{1}.sp".format(OPTS.openram_temp, self.name)
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self.lvs_write(tempspice)
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tempgds = "{0}{1}.gds".format(OPTS.openram_temp, self.cell_name)
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self.gds_write(tempgds)
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num_errors = verify.run_drc(self.cell_name, tempgds, final_verification=final_verification)
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num_errors = verify.run_drc(self.cell_name, tempgds, tempspice, final_verification=final_verification)
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debug.check(num_errors == 0,
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"DRC failed for {0} with {1} error(s)".format(self.cell_name,
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num_errors))
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@ -126,9 +128,9 @@ class hierarchy_design(hierarchy_spice.spice, hierarchy_layout.layout):
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if OPTS.netlist_only:
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return
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elif (not OPTS.is_unit_test and OPTS.check_lvsdrc and (OPTS.inline_lvsdrc or final_verification)):
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tempspice = "{0}/{1}.sp".format(OPTS.openram_temp, self.cell_name)
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tempgds = "{0}/{1}.gds".format(OPTS.openram_temp, self.name)
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tempspice = "{0}{1}.sp".format(OPTS.openram_temp, self.cell_name)
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self.lvs_write(tempspice)
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tempgds = "{0}{1}.gds".format(OPTS.openram_temp, self.name)
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self.gds_write(tempgds)
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num_errors = verify.run_lvs(self.name, tempgds, tempspice, final_verification=final_verification)
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debug.check(num_errors == 0,
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@ -48,7 +48,7 @@ class openram_test(unittest.TestCase):
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# Run both DRC and LVS even if DRC might fail
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# Magic can still extract despite DRC failing, so it might be ok in some techs
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# if we ignore things like minimum metal area of pins
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drc_result=verify.run_drc(a.name, tempgds, extract=True, final_verification=final_verification)
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drc_result=verify.run_drc(a.name, tempgds, tempspice, extract=True, final_verification=final_verification)
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# We can still run LVS even if DRC fails in Magic OR Calibre
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lvs_result=verify.run_lvs(a.name, tempgds, tempspice, final_verification=final_verification)
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@ -30,9 +30,13 @@ num_lvs_runs = 0
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num_pex_runs = 0
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def write_drc_script(cell_name, gds_name, extract, final_verification, output_path):
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def write_drc_script(cell_name, gds_name, extract, final_verification=False, output_path=None):
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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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if not output_path:
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output_path = OPTS.openram_temp
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from tech import drc
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drc_rules = drc["drc_rules"]
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@ -68,9 +72,12 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
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return drc_runset
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def write_lvs_script(cell_name, gds_name, sp_name, final_verification, output_path):
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def write_lvs_script(cell_name, gds_name, sp_name, final_verification=False, output_path=None):
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""" Write a Calibre runset file and script to run LVS """
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if not output_path:
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output_path = OPTS.openram_temp
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from tech import drc
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lvs_rules = drc["lvs_rules"]
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lvs_runset = {
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@ -132,8 +139,12 @@ def write_lvs_script(cell_name, gds_name, sp_name, final_verification, output_pa
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return lvs_runset
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def write_pex_script(cell_name, extract, output, final_verification, output_path):
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def write_pex_script(cell_name, extract, output, final_verification=False, output_path=None):
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""" Write a pex script that can either just extract the netlist or the netlist+parasitics """
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if not output_path:
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output_path = OPTS.openram_temp
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if output == None:
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output = cell_name + ".pex.sp"
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@ -142,7 +153,7 @@ def write_pex_script(cell_name, extract, output, final_verification, output_path
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if not os.path.isfile(output_path + cell_name + ".lvs.report"):
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gds_name = output_path +"/"+ cell_name + ".gds"
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sp_name = output_path +"/"+ cell_name + ".sp"
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run_drc(cell_name, gds_name)
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run_drc(cell_name, gds_name, sp_name)
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run_lvs(cell_name, gds_name, sp_name)
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from tech import drc
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@ -181,7 +192,7 @@ def write_pex_script(cell_name, extract, output, final_verification, output_path
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return pex_runset
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def run_drc(cell_name, gds_name, extract=False, final_verification=False):
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def run_drc(cell_name, gds_name, sp_name, extract=False, final_verification=False):
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"""Run DRC check on a given top-level name which is
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implemented in gds_name."""
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@ -66,7 +66,7 @@ num_pex_runs = 0
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# (outfile, errfile, resultsfile) = run_script(cell_name, "filter")
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def write_drc_script(cell_name, gds_name, extract, final_verification, output_path):
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def write_drc_script(cell_name, gds_name, extract, final_verification, output_path, sp_name=None):
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""" Write a magic script to perform DRC and optionally extraction. """
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global OPTS
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@ -102,35 +102,38 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
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f.write("drc catchup\n")
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f.write("drc count total\n")
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f.write("drc count\n")
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f.write("port makeall\n")
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if not sp_name:
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f.write("port makeall\n")
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else:
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f.write("readspice {}\n".format(sp_name))
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if not extract:
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pre = "#"
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else:
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pre = ""
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if final_verification and OPTS.route_supplies:
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f.write(pre + "extract unique all\n".format(cell_name))
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f.write(pre + "extract unique all\n")
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# Hack to work around unit scales in SkyWater
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if OPTS.tech_name=="sky130":
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f.write(pre + "extract style ngspice(si)\n")
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f.write(pre + "extract\n".format(cell_name))
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f.write(pre + "extract\n")
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# f.write(pre + "ext2spice hierarchy on\n")
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# f.write(pre + "ext2spice scale off\n")
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# lvs exists in 8.2.79, but be backword compatible for now
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#f.write(pre+"ext2spice lvs\n")
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f.write(pre+"ext2spice hierarchy on\n")
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f.write(pre+"ext2spice format ngspice\n")
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f.write(pre+"ext2spice cthresh infinite\n")
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f.write(pre+"ext2spice rthresh infinite\n")
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f.write(pre+"ext2spice renumber off\n")
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f.write(pre+"ext2spice scale off\n")
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f.write(pre+"ext2spice blackbox on\n")
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f.write(pre+"ext2spice subcircuit top on\n")
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f.write(pre+"ext2spice global off\n")
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# f.write(pre + "ext2spice lvs\n")
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f.write(pre + "ext2spice hierarchy on\n")
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f.write(pre + "ext2spice format ngspice\n")
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f.write(pre + "ext2spice cthresh infinite\n")
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f.write(pre + "ext2spice rthresh infinite\n")
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f.write(pre + "ext2spice renumber off\n")
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f.write(pre + "ext2spice scale off\n")
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f.write(pre + "ext2spice blackbox on\n")
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f.write(pre + "ext2spice subcircuit top on\n")
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f.write(pre + "ext2spice global off\n")
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# Can choose hspice, ngspice, or spice3,
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# but they all seem compatible enough.
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f.write(pre+"ext2spice format ngspice\n")
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f.write(pre+"ext2spice {}\n".format(cell_name))
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f.write(pre + "ext2spice format ngspice\n")
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f.write(pre + "ext2spice {}\n".format(cell_name))
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f.write("quit -noprompt\n")
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f.write("EOF\n")
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@ -138,7 +141,7 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
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os.system("chmod u+x {}".format(run_file))
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def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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def run_drc(cell_name, gds_name, sp_name=None, extract=True, final_verification=False):
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"""Run DRC check on a cell which is implemented in gds_name."""
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global num_drc_runs
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@ -148,7 +151,7 @@ def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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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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write_drc_script(cell_name, gds_name, extract, final_verification, OPTS.openram_temp)
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write_drc_script(cell_name, gds_name, extract, final_verification, OPTS.openram_temp, sp_name=sp_name)
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(outfile, errfile, resultsfile) = run_script(cell_name, "drc")
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@ -161,7 +164,7 @@ def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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try:
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f = open(outfile, "r")
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except FileNotFoundError:
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debug.error("Unable to load DRC results file from {}. Is magic set up?".format(outfile),1)
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debug.error("Unable to load DRC results file from {}. Is magic set up?".format(outfile), 1)
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results = f.readlines()
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f.close()
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@ -172,7 +175,7 @@ def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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errors = int(re.split(": ", line)[1])
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break
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else:
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debug.error("Unable to find the total error line in Magic output.",1)
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debug.error("Unable to find the total error line in Magic output.", 1)
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# always display this summary
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@ -180,7 +183,7 @@ def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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if errors > 0:
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for line in results:
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if "error tiles" in line:
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debug.info(1,line.rstrip("\n"))
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debug.info(1, line.rstrip("\n"))
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debug.warning(result_str)
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else:
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debug.info(1, result_str)
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@ -188,11 +191,14 @@ def run_drc(cell_name, gds_name, extract=True, final_verification=False):
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return errors
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def write_lvs_script(cell_name, gds_name, sp_name, final_verification, output_path):
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def write_lvs_script(cell_name, gds_name, sp_name, final_verification=False, output_path=None):
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""" Write a netgen script to perform LVS. """
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global OPTS
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if not output_path:
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output_path = OPTS.openram_temp
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setup_file = "setup.tcl"
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full_setup_file = OPTS.openram_tech + "tech/" + setup_file
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if os.path.exists(full_setup_file):
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@ -214,7 +220,7 @@ def write_lvs_script(cell_name, gds_name, sp_name, final_verification, output_pa
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os.system("chmod u+x {}".format(run_file))
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def run_lvs(cell_name, gds_name, sp_name, final_verification=False):
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def run_lvs(cell_name, gds_name, sp_name, final_verification=False, output_path=None):
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"""Run LVS check on a given top-level name which is
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implemented in gds_name and sp_name. Final verification will
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ensure that there are no remaining virtual conections. """
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@ -222,13 +228,16 @@ 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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if not output_path:
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output_path = OPTS.openram_temp
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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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if os.path.dirname(gds_name) != output_path.rstrip('/'):
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shutil.copy(gds_name, output_path)
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if os.path.dirname(sp_name) != output_path.rstrip('/'):
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shutil.copy(sp_name, output_path)
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write_lvs_script(cell_name, gds_name, sp_name, final_verification, OPTS.openram_temp)
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write_lvs_script(cell_name, gds_name, sp_name, final_verification)
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(outfile, errfile, resultsfile) = run_script(cell_name, "lvs")
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@ -289,13 +298,17 @@ def run_lvs(cell_name, gds_name, sp_name, final_verification=False):
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return total_errors
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def run_pex(name, gds_name, sp_name, output=None, final_verification=False):
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def run_pex(name, gds_name, sp_name, output=None, final_verification=False, output_path=None):
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"""Run pex on a given top-level name which is
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implemented in gds_name and sp_name. """
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global num_pex_runs
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num_pex_runs += 1
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os.chdir(OPTS.openram_temp)
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os.chdir(output_path)
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if not output_path:
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output_path = OPTS.openram_temp
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if output == None:
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output = name + ".pex.netlist"
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@ -311,8 +324,8 @@ def run_pex(name, gds_name, sp_name, output=None, final_verification=False):
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# the dev old code using batch mode does not run and is split into functions
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pex_runset = write_script_pex_rule(gds_name, name, output)
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errfile = "{0}{1}.pex.err".format(OPTS.openram_temp, name)
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outfile = "{0}{1}.pex.out".format(OPTS.openram_temp, name)
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errfile = "{0}{1}.pex.err".format(output_path, name)
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outfile = "{0}{1}.pex.out".format(output_path, name)
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script_cmd = "{0} 2> {1} 1> {2}".format(pex_runset,
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errfile,
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@ -387,7 +400,7 @@ def write_batch_pex_rule(gds_name, name, sp_name, output):
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return file
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def write_script_pex_rule(gds_name, cell_name, output):
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def write_script_pex_rule(gds_name, cell_name, sp_name, output):
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global OPTS
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run_file = OPTS.openram_temp + "run_pex.sh"
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f = open(run_file, "w")
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@ -399,26 +412,24 @@ def write_script_pex_rule(gds_name, cell_name, output):
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f.write("load {}\n".format(cell_name))
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f.write("select top cell\n")
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f.write("expand\n")
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f.write("port makeall\n")
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extract = True
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if not extract:
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pre = "#"
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if not sp_name:
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f.write("port makeall\n")
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else:
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pre = ""
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f.write(pre + "extract\n")
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f.write(pre + "ext2sim labels on\n")
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f.write(pre + "ext2sim\n")
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f.write(pre + "extresist simplify off\n")
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f.write(pre + "extresist all\n")
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f.write(pre + "ext2spice hierarchy off\n")
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f.write(pre + "ext2spice format ngspice\n")
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f.write(pre + "ext2spice renumber off\n")
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f.write(pre + "ext2spice scale off\n")
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f.write(pre + "ext2spice blackbox on\n")
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f.write(pre + "ext2spice subcircuit top on\n")
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f.write(pre + "ext2spice global off\n")
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f.write(pre + "ext2spice extresist on\n")
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f.write(pre + "ext2spice {}\n".format(cell_name))
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f.write("readspice {}\n".format(sp_name))
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f.write("extract\n")
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f.write("ext2sim labels on\n")
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f.write("ext2sim\n")
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f.write("extresist simplify off\n")
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f.write("extresist all\n")
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f.write("ext2spice hierarchy off\n")
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f.write("ext2spice format ngspice\n")
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f.write("ext2spice renumber off\n")
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f.write("ext2spice scale off\n")
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f.write("ext2spice blackbox on\n")
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f.write("ext2spice subcircuit top on\n")
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f.write("ext2spice global off\n")
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f.write("ext2spice extresist on\n")
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f.write("ext2spice {}\n".format(cell_name))
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f.write("quit -noprompt\n")
|
||||
f.write("eof\n")
|
||||
f.write("mv {0}.spice {1}\n".format(cell_name, output))
|
||||
|
|
|
|||
|
|
@ -17,11 +17,11 @@ lvs_warned = False
|
|||
pex_warned = False
|
||||
|
||||
|
||||
def write_drc_script(cell_name, gds_name, extract, final_verification, output_path):
|
||||
def write_drc_script(cell_name, gds_name, extract, final_verification=False, output_path=None):
|
||||
pass
|
||||
|
||||
|
||||
def run_drc(cell_name, gds_name, extract=False, final_verification=False):
|
||||
def run_drc(cell_name, gds_name, sp_name, extract=False, final_verification=False, output_path=None):
|
||||
global drc_warned
|
||||
if not drc_warned:
|
||||
debug.error("DRC unable to run.", -1)
|
||||
|
|
@ -30,11 +30,11 @@ def run_drc(cell_name, gds_name, extract=False, final_verification=False):
|
|||
return 1
|
||||
|
||||
|
||||
def write_lvs_script(cell_name, gds_name, sp_name, final_verification, output_path):
|
||||
def write_lvs_script(cell_name, gds_name, sp_name, final_verification=False, output_path=None):
|
||||
pass
|
||||
|
||||
|
||||
def run_lvs(cell_name, gds_name, sp_name, final_verification=False):
|
||||
def run_lvs(cell_name, gds_name, sp_name, final_verification=False, output_path=None):
|
||||
global lvs_warned
|
||||
if not lvs_warned:
|
||||
debug.error("LVS unable to run.", -1)
|
||||
|
|
@ -43,7 +43,7 @@ def run_lvs(cell_name, gds_name, sp_name, final_verification=False):
|
|||
return 1
|
||||
|
||||
|
||||
def run_pex(name, gds_name, sp_name, output=None, final_verification=False):
|
||||
def run_pex(name, gds_name, sp_name, output=None, final_verification=False, output_path=None):
|
||||
global pex_warned
|
||||
if not pex_warned:
|
||||
debug.error("PEX unable to run.", -1)
|
||||
|
|
|
|||
Loading…
Reference in New Issue