Moved main scripts to root dir

sram_func.py

@@ -0,0 +1,91 @@
+#!/usr/bin/env python3
+# See LICENSE for licensing information.
+#
+# Copyright (c) 2016-2023 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.
+#
+"""
+This script will functionally simulate an SRAM previously generated by OpenRAM
+given a configuration file. Configuration option "use_pex" determines whether
+extracted or generated spice is used. Command line arguments dictate the
+number of cycles and period to be simulated.
+"""
+
+import sys
+import datetime
+from globals import *
+
+try:
+    import openram
+except:
+    # If openram library isn't found as a python package,
+    # import it from the $OPENRAM_HOME path.
+    import importlib.util
+    OPENRAM_HOME = os.getenv("OPENRAM_HOME")
+    # Import using spec since the directory can be named something
+    # other than "openram".
+    spec = importlib.util.spec_from_file_location("openram", "{}/../__init__.py".format(OPENRAM_HOME))
+    module = importlib.util.module_from_spec(spec)
+    sys.modules["openram"] = module
+    spec.loader.exec_module(module)
+    import openram
+
+(OPTS, args) = openram.parse_args()
+
+# Override the usage
+USAGE = "Usage: {} [options] <config file> <cycles> <period>\nUse -h for help.\n".format(__file__)
+
+# Check that we are left with a single configuration file as argument.
+if len(args) != 3:
+    print(USAGE)
+    sys.exit(2)
+
+OPTS.top_process = 'memfunc'
+
+# Parse argument
+config_file = args[0]
+cycles = int(args[1])
+period = float(args[2])
+sp_file = args[3]
+html_file = args[4]
+
+# These depend on arguments, so don't load them until now.
+from openram import debug
+
+# Parse config file and set up all the options
+openram.init_openram(config_file=config_file, is_unit_test=False)
+
+openram.print_banner()
+
+# Configure the SRAM organization (duplicated from openram.py)
+from characterizer.fake_sram import fake_sram
+s = fake_sram(name=OPTS.output_name,
+              word_size=OPTS.word_size,
+              num_words=OPTS.num_words,
+              write_size=OPTS.write_size,
+              num_banks=OPTS.num_banks,
+              words_per_row=OPTS.words_per_row,
+              num_spare_rows=OPTS.num_spare_rows,
+              num_spare_cols=OPTS.num_spare_cols)
+
+s.parse_html(html_file)
+s.generate_pins()
+s.setup_multiport_constants()
+
+OPTS.netlist_only = True
+OPTS.check_lvsdrc = False
+
+# Generate stimulus and run functional simulation on the design
+start_time = datetime.datetime.now()
+from openram.characterizer import functional
+debug.print_raw("Functional simulation... ")
+f = functional(s, cycles=cycles, spfile=sp_file, period=period, output_path=OPTS.openram_temp)
+(fail, error) = f.run()
+debug.print_raw(error)
+openram.print_time("Functional simulation", datetime.datetime.now(), start_time)
+
+# Delete temp files, remove the dir, etc. after success
+if fail:
+    openram.end_openram()