src/soc/fu/compunits/test/test_alu_compunit.py

   1 import unittest
   2 from soc.decoder.power_enums import (XER_bits, Function)
   3
   4 from soc.fu.alu.test.test_pipe_caller import get_cu_inputs
   5 from soc.fu.alu.test.test_pipe_caller import ALUTestCase # creates the tests
   6
   7 from soc.fu.test.common import ALUHelpers
   8 from soc.fu.compunits.compunits import ALUFunctionUnit
   9 from soc.fu.compunits.test.test_compunit import TestRunner
  10
  11
  12 class ALUTestRunner(TestRunner):
  13     def __init__(self, test_data):
  14         super().__init__(test_data, ALUFunctionUnit, self,
  15                          Function.ALU)
  16
  17     def get_cu_inputs(self, dec2, sim):
  18         """naming (res) must conform to ALUFunctionUnit input regspec
  19         """
  20         res = yield from get_cu_inputs(dec2, sim)
  21         return res
  22
  23     def check_cu_outputs(self, res, dec2, sim, code):
  24         """naming (res) must conform to ALUFunctionUnit output regspec
  25         """
  26
  27         rc = yield dec2.e.do.rc.data
  28         op = yield dec2.e.do.insn_type
  29         cridx_ok = yield dec2.e.write_cr.ok
  30         cridx = yield dec2.e.write_cr.data
  31
  32         print ("check extra output", repr(code), cridx_ok, cridx)
  33
  34         if rc:
  35             self.assertEqual(cridx_ok, 1, code)
  36             self.assertEqual(cridx, 0, code)
  37
  38         sim_o = {}
  39
  40         yield from ALUHelpers.get_sim_int_o(sim_o, sim, dec2)
  41         yield from ALUHelpers.get_wr_sim_cr_a(sim_o, sim, dec2)
  42         yield from ALUHelpers.get_sim_xer_ov(sim_o, sim, dec2)
  43         yield from ALUHelpers.get_wr_sim_xer_ca(sim_o, sim, dec2)
  44         yield from ALUHelpers.get_sim_xer_so(sim_o, sim, dec2)
  45
  46         ALUHelpers.check_cr_a(self, res, sim_o, "CR%d %s" % (cridx, code))
  47         ALUHelpers.check_xer_ov(self, res, sim_o, code)
  48         ALUHelpers.check_xer_ca(self, res, sim_o, code)
  49         ALUHelpers.check_int_o(self, res, sim_o, code)
  50         ALUHelpers.check_xer_so(self, res, sim_o, code)
  51
  52
  53 if __name__ == "__main__":
  54     unittest.main(exit=False)
  55     suite = unittest.TestSuite()
  56     suite.addTest(ALUTestRunner(ALUTestCase.test_data))
  57
  58     runner = unittest.TextTestRunner()
  59     runner.run(suite)