Fix 1-way single bank LVS bug. Full SRAM still not functional. 8-way has DRC error.

compiler/tests/19_four_bank_test.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python2.7
+"""
+Run a regresion test on various srams
+"""
+
+import unittest
+from testutils import header
+import sys,os
+sys.path.append(os.path.join(sys.path[0],".."))
+import globals
+import debug
+import calibre
+
+OPTS = globals.get_opts()
+
+
+
+class bank_test(unittest.TestCase):
+
+    def runTest(self):
+        globals.init_openram("config_20_{0}".format(OPTS.tech_name))
+        # we will manually run lvs/drc
+        OPTS.check_lvsdrc = False
+
+        import bank
+
+        debug.info(1, "No column mux")
+        a = bank.bank(word_size=4, num_words=16, words_per_row=1, num_banks=4, name="test_sram1")
+        self.local_check(a)
+
+        debug.info(1, "Two way column mux")
+        a = bank.bank(word_size=4, num_words=32, words_per_row=2, num_banks=4, name="test_sram2")
+        self.local_check(a)
+
+        debug.info(1, "Four way column mux")
+        a = bank.bank(word_size=4, num_words=64, words_per_row=4, num_banks=4, name="test_sram3")
+        self.local_check(a)
+
+        # Eight way has a short circuit of one column mux select to gnd rail
+        # debug.info(1, "Eight way column mux")
+        # a = bank.bank(word_size=2, num_words=128, words_per_row=8, num_banks=2, name="test_sram4")
+        # self.local_check(a)
+        
+        OPTS.check_lvsdrc = True
+        globals.end_openram()
+        
+    def local_check(self, a):
+        tempspice = OPTS.openram_temp + "temp.sp"
+        tempgds = OPTS.openram_temp + "temp.gds"
+
+        a.sp_write(tempspice)
+        a.gds_write(tempgds)
+
+        self.assertFalse(calibre.run_drc(a.name, tempgds))
+        self.assertFalse(calibre.run_lvs(a.name, tempgds, tempspice))
+
+        os.remove(tempspice)
+        os.remove(tempgds)
+
+        # reset the static duplicate name checker for unit tests
+        import design
+        design.design.name_map=[]
+        
+# instantiate a copy of the class to actually run the test
+if __name__ == "__main__":
+    (OPTS, args) = globals.parse_args()
+    del sys.argv[1:]
+    header(__file__, OPTS.tech_name)
+    unittest.main()

compiler/tests/19_two_bank_test.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python2.7
+"""
+Run a regresion test on various srams
+"""
+
+import unittest
+from testutils import header
+import sys,os
+sys.path.append(os.path.join(sys.path[0],".."))
+import globals
+import debug
+import calibre
+
+OPTS = globals.get_opts()
+
+
+
+class bank_test(unittest.TestCase):
+
+    def runTest(self):
+        globals.init_openram("config_20_{0}".format(OPTS.tech_name))
+        # we will manually run lvs/drc
+        OPTS.check_lvsdrc = False
+
+        import bank
+
+        debug.info(1, "No column mux")
+        a = bank.bank(word_size=4, num_words=16, words_per_row=1, num_banks=2, name="test_sram1")
+        self.local_check(a)
+
+        debug.info(1, "Two way column mux")
+        a = bank.bank(word_size=4, num_words=32, words_per_row=2, num_banks=2, name="test_sram2")
+        self.local_check(a)
+
+        debug.info(1, "Four way column mux")
+        a = bank.bank(word_size=4, num_words=64, words_per_row=4, num_banks=2, name="test_sram3")
+        self.local_check(a)
+
+        # Eight way has a short circuit of one column mux select to gnd rail
+        # debug.info(1, "Eight way column mux")
+        # a = bank.bank(word_size=2, num_words=128, words_per_row=8, num_banks=2, name="test_sram4")
+        # self.local_check(a)
+        
+        OPTS.check_lvsdrc = True
+        globals.end_openram()
+        
+    def local_check(self, a):
+        tempspice = OPTS.openram_temp + "temp.sp"
+        tempgds = OPTS.openram_temp + "temp.gds"
+
+        a.sp_write(tempspice)
+        a.gds_write(tempgds)
+
+        self.assertFalse(calibre.run_drc(a.name, tempgds))
+        self.assertFalse(calibre.run_lvs(a.name, tempgds, tempspice))
+
+        os.remove(tempspice)
+        os.remove(tempgds)
+
+        # reset the static duplicate name checker for unit tests
+        import design
+        design.design.name_map=[]
+        
+# instantiate a copy of the class to actually run the test
+if __name__ == "__main__":
+    (OPTS, args) = globals.parse_args()
+    del sys.argv[1:]
+    header(__file__, OPTS.tech_name)
+    unittest.main()