Merge branch 'dev' into char

sram_compiler.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+# See LICENSE for licensing information.
+#
+# Copyright (c) 2016-2021 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.
+#
+"""
+SRAM Compiler
+
+The output files append the given suffixes to the output name:
+a spice (.sp) file for circuit simulation
+a GDS2 (.gds) file containing the layout
+a LEF (.lef) file for preliminary P&R (real one should be from layout)
+a Liberty (.lib) file for timing analysis/optimization
+"""
+
+import os
+import sys
+import datetime
+try:
+    import openram
+except:
+    sys.path.append(os.getenv("OPENRAM_HOME"))
+import globals as g
+
+(OPTS, args) = g.parse_args()
+
+# Check that we are left with a single configuration file as argument.
+if len(args) != 1:
+    print(g.USAGE)
+    sys.exit(2)
+
+# Set top process to openram
+OPTS.top_process = 'openram'
+
+# These depend on arguments, so don't load them until now.
+import debug
+
+# Parse config file and set up all the options
+g.init_openram(config_file=args[0], is_unit_test=False)
+
+# Ensure that the right bitcell exists or use the parameterised one
+g.setup_bitcell()
+
+# Only print banner here so it's not in unit tests
+g.print_banner()
+
+# Keep track of running stats
+start_time = datetime.datetime.now()
+g.print_time("Start", start_time)
+
+# Output info about this run
+g.report_status()
+
+from modules import sram_config
+
+# Configure the SRAM organization
+c = sram_config(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)
+debug.print_raw("Words per row: {}".format(c.words_per_row))
+
+output_extensions = ["lvs", "sp", "v", "lib", "py", "html", "log"]
+# Only output lef/gds if back-end
+if not OPTS.netlist_only:
+    output_extensions.extend(["lef", "gds"])
+
+output_files = ["{0}{1}.{2}".format(OPTS.output_path,
+                                    OPTS.output_name, x)
+                for x in output_extensions]
+debug.print_raw("Output files are: ")
+for path in output_files:
+    debug.print_raw(path)
+
+from modules import sram
+s = sram(name=OPTS.output_name,
+         sram_config=c)
+
+# Output the files for the resulting SRAM
+s.save()
+
+# Delete temp files etc.
+g.end_openram()
+g.print_time("End", datetime.datetime.now(), start_time)