OpenRAM/compiler/tests/28_delay_model_test.py

#!/usr/bin/env python3
"""
Run a regression test on various srams
"""

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
from sram_factory import factory
import debug

class delay_model_test(openram_test):

    def runTest(self):
        globals.init_openram("config_20_{0}".format(OPTS.tech_name))
        OPTS.spice_name="hspice"
        OPTS.analytical_delay = False
        OPTS.netlist_only = True
        OPTS.trim_netlist = False
        debug.info(1, "Trimming disabled for this test. Simulation could be slow.")
        
        # This is a hack to reload the characterizer __init__ with the spice version
        from importlib import reload
        import characterizer
        reload(characterizer)
        
        from characterizer import model_check
        from sram_config import sram_config
        c = sram_config(word_size=4,
                        num_words=16,
                        num_banks=1)
        c.words_per_row=1
        c.recompute_sizes()
        debug.info(1, "Testing timing for sample 1bit, 16words SRAM with 1 bank")
        s = factory.create(module_type="sram", sram_config=c)

        tempspice = OPTS.openram_temp + "temp.sp"
        s.sp_write(tempspice)

        probe_address = "1" * s.s.addr_size
        probe_data = s.s.word_size - 1
        debug.info(1, "Probe address {0} probe data bit {1}".format(probe_address, probe_data))

        corner = (OPTS.process_corners[0], OPTS.supply_voltages[0], OPTS.temperatures[0])
        mc = model_check(s.s, tempspice, corner)
        import tech
        loads = [tech.spice["msflop_in_cap"]*4]
        slews = [tech.spice["rise_time"]*2]
        sram_data = mc.analyze(probe_address, probe_data, slews, loads)
        #Combine info about port into all data

        #debug.info(1,"Data:\n{}".format(wl_data))

        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()