add test_issuer_dcache.py

diff --git a/src/soc/simple/test/test_issuer_dcache.py b/src/soc/simple/test/test_issuer_dcache.py
new file mode 100644 (file)
index 0000000..933bb2f
--- /dev/null
+++ b/src/soc/simple/test/test_issuer_dcache.py
@@ -0,0 +1,56 @@
+"""simple core test, runs instructions from a TestMemory
+
+related bugs:
+
+ * https://bugs.libre-soc.org/show_bug.cgi?id=363
+"""
+
+# NOTE: to use cxxsim, export NMIGEN_SIM_MODE=cxxsim from the shell
+# Also, check out the cxxsim nmigen branch, and latest yosys from git
+
+import unittest
+import sys
+
+# here is the logic which takes test cases and "executes" them.
+# in this instance (TestRunner) its job is to instantiate both
+# a Libre-SOC nmigen-based HDL instance and an ISACaller python
+# simulator.  it's also responsible for performing the single
+# step and comparison.
+from soc.simple.test.test_runner import TestRunner
+
+# test dcbz with MMU an DCACHE
+#from openpower.test.mmu.mmu_cases import MMUTestCase
+#from openpower.test.mmu.mmu_rom_cases import MMUTestCaseROM, default_mem
+#from openpower.test.ldst.ldst_cases import LDSTTestCase
+#from openpower.test.ldst.ldst_exc_cases import LDSTExceptionTestCase
+#from openpower.simulator.test_sim import (GeneralTestCases, AttnTestCase)
+
+if __name__ == "__main__":
+    svp64 = False
+    #if len(sys.argv) == 2:
+    #    if sys.argv[1] == 'nosvp64':
+    #        svp64 = False
+    #    sys.argv.pop()
+    #print ("SVP64 test mode enabled", svp64)
+
+    unittest.main(exit=False)
+    suite = unittest.TestSuite()
+    #suite.addTest(TestRunner(GeneralTestCases.test_data, svp64=svp64,
+    #                          microwatt_mmu=True))
+    #suite.addTest(TestRunner(MMUTestCase().test_data, svp64=svp64,
+    #                          microwatt_mmu=True))
+
+    # without ROM set
+    #suite.addTest(TestRunner(MMUTestCaseROM().test_data, svp64=svp64,
+    #                          microwatt_mmu=True))
+
+    # TODO: write DCBZ test case
+    suite.addTest(TestRunner(DCBZTestCase().test_data, svp64=svp64,
+                              microwatt_mmu=True))
+
+    # LD/ST exception cases
+    #suite.addTest(TestRunner(LDSTExceptionTestCase().test_data, svp64=svp64,
+    #                          microwatt_mmu=True))
+
+    runner = unittest.TextTestRunner()
+    runner.run(suite)