mirror of https://github.com/VLSIDA/OpenRAM.git
75 lines
2.6 KiB
Python
Executable File
75 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# See LICENSE for licensing information.
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#
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# Copyright (c) 2016-2022 Regents of the University of California and The Board
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# of Regents for the Oklahoma Agricultural and Mechanical College
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# (acting for and on behalf of Oklahoma State University)
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# All rights reserved.
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#
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import sys, os, re
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import unittest
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from testutils import *
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import openram
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from openram import debug
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from openram import OPTS
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#@unittest.skip("SKIPPING 23_lib_sram_model_test")
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class lib_sram_model_test(openram_test):
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def runTest(self):
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config_file = "{}/tests/configs/config".format(os.getenv("OPENRAM_HOME"))
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openram.init_openram(config_file, is_unit_test=True)
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OPTS.nominal_corner_only = False
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OPTS.netlist_only = True
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if OPTS.tech_name == "sky130":
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num_spare_rows = 1
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num_spare_cols = 1
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else:
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num_spare_rows = 0
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num_spare_cols = 0
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from openram.characterizer import lib
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from openram import sram
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from openram import sram_config
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c = sram_config(word_size=2,
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num_words=16,
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num_banks=1,
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num_spare_cols=num_spare_cols,
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num_spare_rows=num_spare_rows)
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c.words_per_row=1
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c.recompute_sizes()
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debug.info(1, "Testing analytical timing for sample 2 bit, 16 words SRAM with 1 bank")
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# This doesn't have to use the factory since worst case
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# it will just replaece the top-level module of the same name
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s = sram(c, "sram_2_16_1_{0}".format(OPTS.tech_name))
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tempspice = OPTS.openram_temp + "temp.sp"
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s.sp_write(tempspice)
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lib(out_dir=OPTS.openram_temp, sram=s.s, sp_file=tempspice, use_model=True)
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# get all of the .lib files generated
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files = os.listdir(OPTS.openram_temp)
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nametest = re.compile("\.lib$", re.IGNORECASE)
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lib_files = filter(nametest.search, files)
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# and compare them with the golden model
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for filename in lib_files:
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newname = filename.replace(".lib","_analytical.lib")
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libname = "{0}/{1}".format(OPTS.openram_temp,filename)
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golden = "{0}/golden/{1}".format(os.path.dirname(os.path.realpath(__file__)),newname)
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self.assertTrue(self.isapproxdiff(libname,golden,0.15))
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openram.end_openram()
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# run the test from the command line
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if __name__ == "__main__":
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(OPTS, args) = openram.parse_args()
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del sys.argv[1:]
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header(__file__, OPTS.tech_name)
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unittest.main(testRunner=debugTestRunner())
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