src/soc/simulator/test_mul_sim.py

   1 from nmigen import Module, Signal
   2 from nmigen.back.pysim import Simulator, Delay, Settle
   3 from nmigen.test.utils import FHDLTestCase
   4 import unittest
   5 from soc.decoder.power_decoder import (create_pdecode)
   6 from soc.decoder.power_enums import (Function, InternalOp,
   7                                      In1Sel, In2Sel, In3Sel,
   8                                      OutSel, RC, LdstLen, CryIn,
   9                                      single_bit_flags, Form, SPR,
  10                                      get_signal_name, get_csv)
  11 from soc.decoder.power_decoder2 import (PowerDecode2)
  12 from soc.simulator.program import Program
  13 from soc.simulator.qemu import run_program
  14 from soc.decoder.isa.all import ISA
  15 from soc.fu.test.common import TestCase
  16 from soc.simulator.test_sim import DecoderBase
  17
  18
  19
  20 class MulTestCases(FHDLTestCase):
  21     test_data = []
  22
  23     def __init__(self, name="div"):
  24         super().__init__(name)
  25         self.test_name = name
  26
  27     def tst_mullw(self):
  28         lst = ["addi 1, 0, 0x5678",
  29                "addi 2, 0, 0x1234",
  30                "mullw 3, 1, 2"]
  31         self.run_tst_program(Program(lst), [3])
  32
  33     def test_mullwo(self):
  34         lst = ["addi 1, 0, 0x5678",
  35                "neg 1, 1",
  36                "addi 2, 0, 0x1234",
  37                "neg 2, 2",
  38                "mullwo 3, 1, 2"]
  39         self.run_tst_program(Program(lst), [3])
  40
  41     def run_tst_program(self, prog, initial_regs=None, initial_sprs=None,
  42                                     initial_mem=None):
  43         initial_regs = [0] * 32
  44         tc = TestCase(prog, self.test_name, initial_regs, initial_sprs, 0,
  45                                             initial_mem, 0)
  46         self.test_data.append(tc)
  47
  48
  49 class MulDecoderTestCase(DecoderBase, MulTestCases):
  50     pass
  51
  52
  53 if __name__ == "__main__":
  54     unittest.main()