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OpenRAM
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Initial maglef flow for sky130

This commit is contained in:
mrg 2020-12-08 11:56:23 -08:00
parent 47cc4cbfca
commit ac60c4fe3c
1 changed files with 53 additions and 15 deletions
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64
compiler/verify/magic.py
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@ -78,33 +78,28 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
else:
debug.warning("Could not locate .magicrc file: {}".format(magic_file))
run_file = output_path + "run_drc.sh"
run_file = output_path + "run_ext.sh"
f = open(run_file, "w")
f.write("#!/bin/sh\n")
f.write('export OPENRAM_TECH="{}"\n'.format(os.environ['OPENRAM_TECH']))
f.write('echo "$(date): Starting DRC using Magic {}"\n'.format(OPTS.drc_exe[1]))
f.write('echo "$(date): Starting GDS to MAG using Magic {}"\n'.format(OPTS.drc_exe[1]))
f.write('\n')
f.write("{} -dnull -noconsole << EOF\n".format(OPTS.drc_exe[1]))
# Do not run DRC for extraction/conversion
f.write("drc off\n")
f.write("gds polygon subcell true\n")
f.write("gds warning default\n")
f.write("gds flatten true\n")
f.write("#gds flatten true\n")
f.write("gds readonly true\n")
f.write("gds ordering true\n")
f.write("#gds ordering true\n")
f.write("gds read {}\n".format(gds_name))
f.write('puts "Finished reading gds {}"\n'.format(gds_name))
f.write("load {}\n".format(cell_name))
f.write('puts "Finished loading cell {}"\n'.format(cell_name))
f.write("cellname delete \\(UNNAMED\\)\n")
f.write("writeall force\n")
f.write("select top cell\n")
f.write("expand\n")
f.write('puts "Finished expanding"\n')
f.write("drc check\n")
f.write('puts "Finished drc check"\n')
f.write("drc catchup\n")
f.write('puts "Finished drc catchup"\n')
f.write("drc count total\n")
f.write("drc count\n")
# Extract
if not sp_name:
f.write("port makeall\n")
else:
@ -139,6 +134,47 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
f.write(pre + "ext2spice format ngspice\n")
f.write(pre + "ext2spice {}\n".format(cell_name))
f.write('puts "Finished ext2spice"\n')
f.write("quit -noprompt\n")
f.write("EOF\n")
f.write("magic_retcode=$?\n")
f.write('echo "$(date): Finished ($magic_retcode) GDS to MAG using Magic {}"\n'.format(OPTS.drc_exe[1]))
f.write("exit $magic_retcode\n")
f.close()
os.system("chmod u+x {}".format(run_file))
run_file = output_path + "run_drc.sh"
f = open(run_file, "w")
f.write("#!/bin/sh\n")
f.write('export OPENRAM_TECH="{}"\n'.format(os.environ['OPENRAM_TECH']))
# Copy the bitcell mag files if they exist
try:
from tech import blackbox_cells
except ImportError:
blackbox_cells = []
import pdb; pdb.set_trace()
for cell_name in blackbox_cells:
mag_file = OPTS.openram_tech + "maglef_lib/" + cell_name + ".mag"
debug.check(os.path.isfile(mag_file), "Could not find blackbox cell {}".format(mag_file))
f.write('cp {0} {1}\n'.format(mag_file, OPTS.openram_temp))
f.write('echo "$(date): Starting DRC using Magic {}"\n'.format(OPTS.drc_exe[1]))
f.write('\n')
f.write("{} -dnull -noconsole << EOF\n".format(OPTS.drc_exe[1]))
f.write("load {} -dereference\n".format(cell_name))
f.write('puts "Finished loading cell {}"\n'.format(cell_name))
f.write("cellname delete \\(UNNAMED\\)\n")
f.write("writeall force\n")
f.write("select top cell\n")
f.write("expand\n")
f.write('puts "Finished expanding"\n')
f.write("drc check\n")
f.write('puts "Finished drc check"\n')
f.write("drc catchup\n")
f.write('puts "Finished drc catchup"\n')
f.write("drc count total\n")
f.write("drc count\n")
f.write("quit -noprompt\n")
f.write("EOF\n")
f.write("magic_retcode=$?\n")
@ -161,6 +197,8 @@ def run_drc(cell_name, gds_name, sp_name=None, extract=True, final_verification=
write_drc_script(cell_name, gds_name, extract, final_verification, OPTS.openram_temp, sp_name=sp_name)
(outfile, errfile, resultsfile) = run_script(cell_name, "ext")
(outfile, errfile, resultsfile) = run_script(cell_name, "drc")
# Check the result for these lines in the summary: