Fix option reload problems and checkpointing so that it works properly.

compiler/characterizer/__init__.py

@@ -1,16 +1,18 @@
 import os
 import debug
+import globals
 from globals import OPTS,find_exe,get_tool
 from .lib import *
 from .delay import *
 from .setup_hold import *
 
 
-debug.info(2,"Initializing characterizer...")
-
+debug.info(1,"Initializing characterizer...")
 OPTS.spice_exe = ""
 
 if not OPTS.analytical_delay:
+    debug.info(1, "Finding spice simulator.")
+
     if OPTS.spice_name != "":
         OPTS.spice_exe=find_exe(OPTS.spice_name)
         if OPTS.spice_exe=="":
@@ -24,6 +26,7 @@ if not OPTS.analytical_delay:
     
     if OPTS.spice_exe == "":
         debug.error("No recognizable spice version found. Unable to perform characterization.",1)
-
+else:
+    debug.info(1,"Analytical model enabled.")
 
 

compiler/globals.py

@@ -155,7 +155,7 @@ def read_config(config_file, is_unit_test=True):
     # If a unit test fails, we don't have to worry about restoring the old config values
     # that may have been tested.
     if is_unit_test and CHECKPOINT_OPTS:
-        OPTS = copy.deepcopy(CHECKPOINT_OPTS)
+        OPTS.__dict__ = CHECKPOINT_OPTS.__dict__.copy() 
         return
         
     # Create a full path relative to current dir unless it is already an abs path
@@ -213,12 +213,17 @@ def read_config(config_file, is_unit_test=True):
 
     # Make a checkpoint of the options so we can restore
     # after each unit test
-    CHECKPOINT_OPTS = copy.deepcopy(OPTS)
-        
+    if not CHECKPOINT_OPTS:
+        CHECKPOINT_OPTS = copy.copy(OPTS)
         
 def end_openram():
     """ Clean up openram for a proper exit """
     cleanup_paths()
+
+    import verify
+    verify.print_drc_stats()
+    verify.print_lvs_stats()
+    verify.print_pex_stats()        
     
 
     
@@ -227,6 +232,7 @@ def cleanup_paths():
     """
     We should clean up the temp directory after execution.
     """
+    global OPTS
     if not OPTS.purge_temp:
         debug.info(0,"Preserving temp directory: {}".format(OPTS.openram_temp))
         return
@@ -341,6 +347,8 @@ def print_time(name, now_time, last_time=None):
 
 def report_status():
     """ Check for valid arguments and report the info about the SRAM being generated """
+    global OPTS
+    
     # Check if all arguments are integers for bits, size, banks
     if type(OPTS.word_size)!=int:
         debug.error("{0} is not an integer in config file.".format(OPTS.word_size))

compiler/tests/02_library_lvs_test.py

@@ -14,7 +14,7 @@ class library_lvs_test(openram_test):
     def runTest(self):
         globals.init_openram("config_20_{0}".format(OPTS.tech_name))
         import verify
-        OPTS.check_lvsdrc=True
+
         (gds_dir, sp_dir, allnames) = setup_files()
         lvs_errors = 0
         debug.info(1, "Performing LVS on: " + ", ".join(allnames))

compiler/tests/21_hspice_delay_test.py

@@ -17,6 +17,7 @@ class timing_sram_test(openram_test):
         globals.init_openram("config_20_{0}".format(OPTS.tech_name))
         OPTS.spice_name="hspice"
         OPTS.analytical_delay = False
+
         
         # This is a hack to reload the characterizer __init__ with the spice version
         from importlib import reload
@@ -83,7 +84,6 @@ class timing_sram_test(openram_test):
             else:
                 self.isclose(data[k],golden_data[k],0.15)
 
-        reload(characterizer)
         globals.end_openram()
         
 # instantiate a copdsay of the class to actually run the test

compiler/tests/21_hspice_setuphold_test.py

@@ -26,7 +26,6 @@ class timing_setup_test(openram_test):
         if not OPTS.spice_exe:
             debug.error("Could not find {} simulator.".format(OPTS.spice_name),-1)
             
-
         import sram
         import tech
         slews = [tech.spice["rise_time"]*2]
@@ -58,7 +57,6 @@ class timing_setup_test(openram_test):
             else:
                 self.isclose(data[k],golden_data[k],0.15)
 
-        reload(characterizer)
         globals.end_openram()
         
 # instantiate a copdsay of the class to actually run the test

compiler/tests/21_ngspice_delay_test.py

@@ -83,7 +83,6 @@ class timing_sram_test(openram_test):
             else:
                 self.isclose(data[k],golden_data[k],0.15)
 
-        reload(characterizer)
         globals.end_openram()
 
 # instantiate a copdsay of the class to actually run the test

compiler/tests/22_pex_test.py

@@ -16,6 +16,17 @@ class sram_func_test(openram_test):
 
     def runTest(self):
         globals.init_openram("config_20_{0}".format(OPTS.tech_name))
+
+        OPTS.use_pex = True
+
+        # This is a hack to reload the characterizer __init__ with the spice version
+        from importlib import reload
+        import characterizer
+        reload(characterizer)
+        from characterizer import setup_hold
+        if not OPTS.spice_exe:
+            debug.error("Could not find {} simulator.".format(OPTS.spice_name),-1)
+
         global verify
         import verify
 
@@ -31,8 +42,6 @@ class sram_func_test(openram_test):
         import tech
 
         debug.info(1, "Testing timing for sample 1bit, 16words SRAM with 1 bank")
-        global OPTS
-        OPTS.use_pex = True
         s = sram.sram(word_size=OPTS.word_size,
                       num_words=OPTS.num_words,
                       num_banks=OPTS.num_banks,

compiler/tests/30_openram_test.py

@@ -73,10 +73,7 @@ class openram_test(openram_test):
             shutil.rmtree(out_path, ignore_errors=True)
         self.assertEqual(os.path.exists(out_path),False)
 
-        # The default was on, so disable it.
-        OPTS.check_lvsdrc=False
         globals.end_openram()
-        OPTS.check_lvsdrc=True        
 
 # instantiate a copy of the class to actually run the test
 if __name__ == "__main__":