OpenRAM/compiler/tests/25_verilog_sram_test.py

#!/usr/bin/env python3
# See LICENSE for licensing information.
#
#Copyright (c) 2019 Regents of the University of California and The Board
#of Regents for the Oklahoma Agricultural and Mechanical College
#(acting for and on behalf of Oklahoma State University)
#All rights reserved.
#
"""
Check the  .v file for an SRAM
"""

import unittest
from testutils import header,openram_test
import sys,os
sys.path.append(os.path.join(sys.path[0],".."))
import globals
from globals import OPTS
import debug

class verilog_test(openram_test):

    def runTest(self):
        globals.init_openram("config_{0}".format(OPTS.tech_name))

        from sram import sram
        from sram_config import sram_config
        c = sram_config(word_size=2,
                        num_words=16,
                        num_banks=1)
        c.words_per_row=1
        c.recompute_sizes()
        debug.info(1, "Testing Verilog for sample 2 bit, 16 words SRAM with 1 bank")
        # This doesn't have to use the factory since worst case
        # it will just replaece the top-level module of the same name
        s = sram(c, "sram_2_16_1_{0}".format(OPTS.tech_name))

        vfile = s.name + ".v"
        vname = OPTS.openram_temp + vfile
        s.verilog_write(vname)


        # let's diff the result with a golden model
        golden = "{0}/golden/{1}".format(os.path.dirname(os.path.realpath(__file__)),vfile)
        self.assertTrue(self.isdiff(vname,golden))

        globals.end_openram()
        
# run the test from the command line
if __name__ == "__main__":
    (OPTS, args) = globals.parse_args()
    del sys.argv[1:]
    header(__file__, OPTS.tech_name)
    unittest.main()