radix: reading first page table entry

[soc.git] / src / soc / simulator / test_mul_sim.py

diff --git a/src/soc/simulator/test_mul_sim.py b/src/soc/simulator/test_mul_sim.py
index 9291207e18ef121cd375654a9d32b8c224654693..6d251056aeb34041927ec1f7773935627e894382 100644 (file)
--- a/src/soc/simulator/test_mul_sim.py
+++ b/src/soc/simulator/test_mul_sim.py
@@ -1,9 +1,9 @@
 from nmigen import Module, Signal
 from nmigen.back.pysim import Simulator, Delay, Settle
-from nmigen.test.utils import FHDLTestCase
+from nmutil.formaltest import FHDLTestCase
 import unittest
 from soc.decoder.power_decoder import (create_pdecode)
-from soc.decoder.power_enums import (Function, InternalOp,
+from soc.decoder.power_enums import (Function, MicrOp,
                                      In1Sel, In2Sel, In3Sel,
                                      OutSel, RC, LdstLen, CryIn,
                                      single_bit_flags, Form, SPR,
@@ -14,6 +14,7 @@ from soc.simulator.qemu import run_program
 from soc.decoder.isa.all import ISA
 from soc.fu.test.common import TestCase
 from soc.simulator.test_sim import DecoderBase
+from soc.config.endian import bigendian
 
 
 
@@ -24,11 +25,19 @@ class MulTestCases(FHDLTestCase):
         super().__init__(name)
         self.test_name = name
 
-    def test_mullw(self):
-        lst = [f"addi 1, 0, 0x5678",
-               f"addi 2, 0, 0x1234",
-               f"mullw 3, 1, 2"]
-        self.run_tst_program(Program(lst), [3])
+    def tst_mullw(self):
+        lst = ["addi 1, 0, 0x5678",
+               "addi 2, 0, 0x1234",
+               "mullw 3, 1, 2"]
+        self.run_tst_program(Program(lst, bigendian), [3])
+
+    def test_mullwo(self):
+        lst = ["addi 1, 0, 0x5678",
+               "neg 1, 1",
+               "addi 2, 0, 0x1234",
+               "neg 2, 2",
+               "mullwo 3, 1, 2"]
+        self.run_tst_program(Program(lst, bigendian), [3])
 
     def run_tst_program(self, prog, initial_regs=None, initial_sprs=None,
                                     initial_mem=None):