--- /dev/null
+import random
+import unittest
+from nmigen import Module, Signal
+from nmigen.back.pysim import Simulator, Delay
+from nmigen.cli import rtlil
+from soc.decoder.power_decoder import (create_pdecode)
+from soc.decoder.power_decoder2 import (PowerDecode2)
+from soc.decoder.power_enums import XER_bits, Function
+from soc.simulator.program import Program
+from soc.decoder.isa.all import ISA
+from soc.config.endian import bigendian
+
+from soc.fu.test.common import ALUHelpers
+from soc.fu.div.pipeline import DivBasePipe
+from soc.fu.div.pipe_data import DivPipeSpec, DivPipeKind
+
+
+def log_rand(n, min_val=1):
+ logrange = random.randint(1, n)
+ return random.randint(min_val, (1 << logrange)-1)
+
+
+def get_cu_inputs(dec2, sim):
+ """naming (res) must conform to DivFunctionUnit input regspec
+ """
+ res = {}
+
+ yield from ALUHelpers.get_sim_int_ra(res, sim, dec2) # RA
+ yield from ALUHelpers.get_sim_int_rb(res, sim, dec2) # RB
+ yield from ALUHelpers.get_sim_xer_so(res, sim, dec2) # XER.so
+
+ print("alu get_cu_inputs", res)
+
+ return res
+
+
+def set_alu_inputs(alu, dec2, sim):
+ # TODO: see https://bugs.libre-soc.org/show_bug.cgi?id=305#c43
+ # detect the immediate here (with m.If(self.i.ctx.op.imm_data.imm_ok))
+ # and place it into data_i.b
+
+ inp = yield from get_cu_inputs(dec2, sim)
+ yield from ALUHelpers.set_int_ra(alu, dec2, inp)
+ yield from ALUHelpers.set_int_rb(alu, dec2, inp)
+
+ yield from ALUHelpers.set_xer_so(alu, dec2, inp)
+
+
+# This test bench is a bit different than is usual. Initially when I
+# was writing it, I had all of the tests call a function to create a
+# device under test and simulator, initialize the dut, run the
+# simulation for ~2 cycles, and assert that the dut output what it
+# should have. However, this was really slow, since it needed to
+# create and tear down the dut and simulator for every test case.
+
+# Now, instead of doing that, every test case in DivTestCase puts some
+# data into the test_data list below, describing the instructions to
+# be tested and the initial state. Once all the tests have been run,
+# test_data gets passed to TestRunner which then sets up the DUT and
+# simulator once, runs all the data through it, and asserts that the
+# results match the pseudocode sim at every cycle.
+
+# By doing this, I've reduced the time it takes to run the test suite
+# massively. Before, it took around 1 minute on my computer, now it
+# takes around 3 seconds
+
+
+class DivRunner(unittest.TestCase):
+ def __init__(self, test_data, div_pipe_kind=None):
+ print ("DivRunner", test_data, div_pipe_kind)
+ super().__init__("run_all")
+ self.test_data = test_data
+ self.div_pipe_kind = div_pipe_kind
+
+ def write_ilang(self, div_pipe_kind):
+ pspec = DivPipeSpec(id_wid=2, div_pipe_kind=div_pipe_kind)
+ alu = DivBasePipe(pspec)
+ vl = rtlil.convert(alu, ports=alu.ports())
+ with open(f"div_pipeline_{div_pipe_kind.name}.il", "w") as f:
+ f.write(vl)
+
+ def test_write_ilang_div_pipe_core(self):
+ self.write_ilang(DivPipeKind.DivPipeCore)
+
+ def test_write_ilang_fsm_div_core(self):
+ self.write_ilang(DivPipeKind.FSMDivCore)
+
+ def test_write_ilang_sim_only(self):
+ self.write_ilang(DivPipeKind.SimOnly)
+
+ def run_all(self):
+ # *sigh* this is a mess. unit test gets added by code-walking
+ # (unittest module) and picked up with a test name.
+ # we don't want that: we want it explicitly called
+ # (see div test_pipe_caller.py) - don't know what to do,
+ # so "fix" it by adding default param and returning here
+ if self.div_pipe_kind is None:
+ return
+
+ m = Module()
+ comb = m.d.comb
+ instruction = Signal(32)
+
+ pdecode = create_pdecode()
+
+ m.submodules.pdecode2 = pdecode2 = PowerDecode2(pdecode)
+
+ pspec = DivPipeSpec(id_wid=2, div_pipe_kind=self.div_pipe_kind)
+ m.submodules.alu = alu = DivBasePipe(pspec)
+
+ comb += alu.p.data_i.ctx.op.eq_from_execute1(pdecode2.e)
+ comb += alu.n.ready_i.eq(1)
+ comb += pdecode2.dec.raw_opcode_in.eq(instruction)
+ sim = Simulator(m)
+
+ sim.add_clock(1e-6)
+
+ def process():
+ for test in self.test_data:
+ print(test.name)
+ prog = test.program
+ with self.subTest(test.name):
+ isa_sim = ISA(pdecode2, test.regs, test.sprs, test.cr,
+ test.mem, test.msr,
+ bigendian=bigendian)
+ gen = prog.generate_instructions()
+ instructions = list(zip(gen, prog.assembly.splitlines()))
+ yield Delay(0.1e-6)
+
+ index = isa_sim.pc.CIA.value//4
+ while index < len(instructions):
+ ins, code = instructions[index]
+
+ print("instruction: 0x{:X}".format(ins & 0xffffffff))
+ print(code)
+ spr = isa_sim.spr
+ if 'XER' in spr:
+ so = 1 if spr['XER'][XER_bits['SO']] else 0
+ ov = 1 if spr['XER'][XER_bits['OV']] else 0
+ ov32 = 1 if spr['XER'][XER_bits['OV32']] else 0
+ print("before: so/ov/32", so, ov, ov32)
+
+ # ask the decoder to decode this binary data (endian'd)
+ # little / big?
+ yield pdecode2.dec.bigendian.eq(bigendian)
+ yield instruction.eq(ins) # raw binary instr.
+ yield Delay(0.1e-6)
+ fn_unit = yield pdecode2.e.do.fn_unit
+ self.assertEqual(fn_unit, Function.DIV.value)
+ yield from set_alu_inputs(alu, pdecode2, isa_sim)
+
+ # set valid for one cycle, propagate through pipeline..
+ # note that it is critically important to do this
+ # for DIV otherwise it starts trying to produce
+ # multiple results.
+ yield alu.p.valid_i.eq(1)
+ yield
+ yield alu.p.valid_i.eq(0)
+
+ opname = code.split(' ')[0]
+ yield from isa_sim.call(opname)
+ index = isa_sim.pc.CIA.value//4
+
+ vld = yield alu.n.valid_o
+ while not vld:
+ yield
+ yield Delay(0.1e-6)
+ vld = yield alu.n.valid_o
+ # bug #425 investigation
+ do = alu.pipe_end.div_out
+ ctx_op = do.i.ctx.op
+ is_32bit = yield ctx_op.is_32bit
+ is_signed = yield ctx_op.is_signed
+ quotient_root = yield do.i.core.quotient_root
+ quotient_65 = yield do.quotient_65
+ dive_abs_ov32 = yield do.i.dive_abs_ov32
+ div_by_zero = yield do.i.div_by_zero
+ quotient_neg = yield do.quotient_neg
+ print("32bit", hex(is_32bit))
+ print("signed", hex(is_signed))
+ print("quotient_root", hex(quotient_root))
+ print("quotient_65", hex(quotient_65))
+ print("div_by_zero", hex(div_by_zero))
+ print("dive_abs_ov32", hex(dive_abs_ov32))
+ print("quotient_neg", hex(quotient_neg))
+ print("")
+ yield
+
+ yield Delay(0.1e-6)
+ # XXX sim._state is an internal variable
+ # and timeline does not exist
+ # AttributeError: '_SimulatorState' object
+ # has no attribute 'timeline'
+ # TODO: raise bugreport with whitequark
+ # requesting a public API to access this "officially"
+ # XXX print("time:", sim._state.timeline.now)
+ yield from self.check_alu_outputs(alu, pdecode2,
+ isa_sim, code)
+
+ sim.add_sync_process(process)
+ with sim.write_vcd(f"div_simulator_{self.div_pipe_kind.name}.vcd"):
+ sim.run()
+
+ def check_alu_outputs(self, alu, dec2, sim, code):
+
+ rc = yield dec2.e.do.rc.data
+ cridx_ok = yield dec2.e.write_cr.ok
+ cridx = yield dec2.e.write_cr.data
+
+ print("check extra output", repr(code), cridx_ok, cridx)
+ if rc:
+ self.assertEqual(cridx, 0, code)
+
+ sim_o = {}
+ res = {}
+
+ yield from ALUHelpers.get_cr_a(res, alu, dec2)
+ yield from ALUHelpers.get_xer_ov(res, alu, dec2)
+ yield from ALUHelpers.get_int_o(res, alu, dec2)
+ yield from ALUHelpers.get_xer_so(res, alu, dec2)
+
+ print("res output", res)
+
+ yield from ALUHelpers.get_sim_int_o(sim_o, sim, dec2)
+ yield from ALUHelpers.get_wr_sim_cr_a(sim_o, sim, dec2)
+ yield from ALUHelpers.get_sim_xer_ov(sim_o, sim, dec2)
+ yield from ALUHelpers.get_sim_xer_so(sim_o, sim, dec2)
+
+ print("sim output", sim_o)
+
+ ALUHelpers.check_int_o(self, res, sim_o, code)
+ ALUHelpers.check_cr_a(self, res, sim_o, "CR%d %s" % (cridx, code))
+ ALUHelpers.check_xer_ov(self, res, sim_o, code)
+ ALUHelpers.check_xer_so(self, res, sim_o, code)
+
+ oe = yield dec2.e.do.oe.oe
+ oe_ok = yield dec2.e.do.oe.ok
+ print("oe, oe_ok", oe, oe_ok)
+ if not oe or not oe_ok:
+ # if OE not enabled, XER SO and OV must not be activated
+ so_ok = yield alu.n.data_o.xer_so.ok
+ ov_ok = yield alu.n.data_o.xer_ov.ok
+ print("so, ov", so_ok, ov_ok)
+ self.assertEqual(ov_ok, False, code)
+ self.assertEqual(so_ok, False, code)
+
import random
import unittest
+from nmutil.formaltest import FHDLTestCase
from nmigen import Module, Signal
from nmigen.back.pysim import Simulator, Delay
from nmigen.cli import rtlil
from soc.fu.div.pipeline import DivBasePipe
from soc.fu.div.pipe_data import DivPipeSpec, DivPipeKind
+from soc.fu.div.test.runner import (log_rand, get_cu_inputs,
+ set_alu_inputs, DivRunner)
-def log_rand(n, min_val=1):
- logrange = random.randint(1, n)
- return random.randint(min_val, (1 << logrange)-1)
+class DivTestCases(unittest.TestCase):
+ test_data = []
+ def __init__(self, name):
+ super().__init__(name)
-def get_cu_inputs(dec2, sim):
- """naming (res) must conform to DivFunctionUnit input regspec
- """
- res = {}
-
- yield from ALUHelpers.get_sim_int_ra(res, sim, dec2) # RA
- yield from ALUHelpers.get_sim_int_rb(res, sim, dec2) # RB
- yield from ALUHelpers.get_sim_xer_so(res, sim, dec2) # XER.so
-
- print("alu get_cu_inputs", res)
-
- return res
-
-
-def set_alu_inputs(alu, dec2, sim):
- # TODO: see https://bugs.libre-soc.org/show_bug.cgi?id=305#c43
- # detect the immediate here (with m.If(self.i.ctx.op.imm_data.imm_ok))
- # and place it into data_i.b
-
- inp = yield from get_cu_inputs(dec2, sim)
- yield from ALUHelpers.set_int_ra(alu, dec2, inp)
- yield from ALUHelpers.set_int_rb(alu, dec2, inp)
-
- yield from ALUHelpers.set_xer_so(alu, dec2, inp)
-
-
-# This test bench is a bit different than is usual. Initially when I
-# was writing it, I had all of the tests call a function to create a
-# device under test and simulator, initialize the dut, run the
-# simulation for ~2 cycles, and assert that the dut output what it
-# should have. However, this was really slow, since it needed to
-# create and tear down the dut and simulator for every test case.
-
-# Now, instead of doing that, every test case in DivTestCase puts some
-# data into the test_data list below, describing the instructions to
-# be tested and the initial state. Once all the tests have been run,
-# test_data gets passed to TestRunner which then sets up the DUT and
-# simulator once, runs all the data through it, and asserts that the
-# results match the pseudocode sim at every cycle.
-
-# By doing this, I've reduced the time it takes to run the test suite
-# massively. Before, it took around 1 minute on my computer, now it
-# takes around 3 seconds
-
-
-class DivTestCases:
- def __init__(self):
- self.test_data = []
for n, v in self.__class__.__dict__.items():
if n.startswith("test") and callable(v):
self._current_test_name = n
initial_regs = [0] * 32
initial_regs[1] = 0xbc716835f32ac00c
initial_regs[2] = 0xcdf69a7f7042db66
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_1_regression(self):
lst = ["divwo 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x10000000000000000-4
initial_regs[2] = 0x10000000000000000-2
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_2_regression(self):
lst = ["divwo 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0xffffffffffff9321
initial_regs[2] = 0xffffffffffff7012
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_3_regression(self):
lst = ["divwo. 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x1b8e32f2458746af
initial_regs[2] = 0x6b8aee2ccf7d62e9
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_4_regression(self):
lst = ["divw 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x1c4e6c2f3aa4a05c
initial_regs[2] = 0xe730c2eed6cc8dd7
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_5_regression(self):
lst = ["divw 3, 1, 2",
initial_regs[2] = 0xe730c2eed6cc8dd7
initial_regs[4] = 0x1b8e32f2458746af
initial_regs[5] = 0x6b8aee2ccf7d62e9
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_6_regression(self):
# CR0 not getting set properly for this one
initial_regs = [0] * 32
initial_regs[1] = 0x61c1cc3b80f2a6af
initial_regs[2] = 0x9dc66a7622c32bc0
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_7_regression(self):
# https://bugs.libre-soc.org/show_bug.cgi?id=425
initial_regs = [0] * 32
initial_regs[1] = 0xf1791627e05e8096
initial_regs[2] = 0xffc868bf4573da0b
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_divw_by_zero_1(self):
lst = ["divw. 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x1
initial_regs[2] = 0x0
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_divw_overflow2(self):
lst = ["divw. 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x80000000
initial_regs[2] = 0xffffffffffffffff # top bits don't seem to matter
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_divw_overflow3(self):
lst = ["divw. 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x80000000
initial_regs[2] = 0xffffffff
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_divwuo_regression_1(self):
lst = ["divwuo. 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x7591a398c4e32b68
initial_regs[2] = 0x48674ab432867d69
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_divwuo_1(self):
lst = ["divwuo. 3, 1, 2"]
initial_regs = [0] * 32
initial_regs[1] = 0x50
initial_regs[2] = 0x2
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_rand_divwu(self):
insns = ["divwu", "divwu.", "divwuo", "divwuo."]
initial_regs = [0] * 32
initial_regs[1] = log_rand(32)
initial_regs[2] = log_rand(32)
- self.run_test_program(Program(lst, bigendian), initial_regs)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
def test_rand_divw(self):
insns = ["divw", "divw.", "divwo", "divwo."]
initial_regs = [0] * 32
initial_regs[1] = log_rand(32)
initial_regs[2] = log_rand(32)
- self.run_test_program(Program(lst, bigendian), initial_regs)
-
-
-class TestRunner(unittest.TestCase):
- def write_ilang(self, div_pipe_kind):
- pspec = DivPipeSpec(id_wid=2, div_pipe_kind=div_pipe_kind)
- alu = DivBasePipe(pspec)
- vl = rtlil.convert(alu, ports=alu.ports())
- with open(f"div_pipeline_{div_pipe_kind.name}.il", "w") as f:
- f.write(vl)
-
- def test_write_ilang_div_pipe_core(self):
- self.write_ilang(DivPipeKind.DivPipeCore)
-
- def test_write_ilang_fsm_div_core(self):
- self.write_ilang(DivPipeKind.FSMDivCore)
-
- def test_write_ilang_sim_only(self):
- self.write_ilang(DivPipeKind.SimOnly)
-
- def run_all(self, div_pipe_kind):
- test_data = DivTestCases().test_data
- m = Module()
- comb = m.d.comb
- instruction = Signal(32)
-
- pdecode = create_pdecode()
-
- m.submodules.pdecode2 = pdecode2 = PowerDecode2(pdecode)
-
- pspec = DivPipeSpec(id_wid=2, div_pipe_kind=div_pipe_kind)
- m.submodules.alu = alu = DivBasePipe(pspec)
-
- comb += alu.p.data_i.ctx.op.eq_from_execute1(pdecode2.e)
- comb += alu.n.ready_i.eq(1)
- comb += pdecode2.dec.raw_opcode_in.eq(instruction)
- sim = Simulator(m)
+ with Program(lst, bigendian) as prog:
+ self.run_test_program(prog, initial_regs)
- sim.add_clock(1e-6)
- def process():
- for test in test_data:
- print(test.name)
- prog = test.program
- with self.subTest(test.name):
- isa_sim = ISA(pdecode2, test.regs, test.sprs, test.cr,
- test.mem, test.msr,
- bigendian=bigendian)
- gen = prog.generate_instructions()
- instructions = list(zip(gen, prog.assembly.splitlines()))
- yield Delay(0.1e-6)
-
- index = isa_sim.pc.CIA.value//4
- while index < len(instructions):
- ins, code = instructions[index]
-
- print("instruction: 0x{:X}".format(ins & 0xffffffff))
- print(code)
- spr = isa_sim.spr
- if 'XER' in spr:
- so = 1 if spr['XER'][XER_bits['SO']] else 0
- ov = 1 if spr['XER'][XER_bits['OV']] else 0
- ov32 = 1 if spr['XER'][XER_bits['OV32']] else 0
- print("before: so/ov/32", so, ov, ov32)
-
- # ask the decoder to decode this binary data (endian'd)
- # little / big?
- yield pdecode2.dec.bigendian.eq(bigendian)
- yield instruction.eq(ins) # raw binary instr.
- yield Delay(0.1e-6)
- fn_unit = yield pdecode2.e.do.fn_unit
- self.assertEqual(fn_unit, Function.DIV.value)
- yield from set_alu_inputs(alu, pdecode2, isa_sim)
-
- # set valid for one cycle, propagate through pipeline..
- # note that it is critically important to do this
- # for DIV otherwise it starts trying to produce
- # multiple results.
- yield alu.p.valid_i.eq(1)
- yield
- yield alu.p.valid_i.eq(0)
-
- opname = code.split(' ')[0]
- yield from isa_sim.call(opname)
- index = isa_sim.pc.CIA.value//4
-
- vld = yield alu.n.valid_o
- while not vld:
- yield
- yield Delay(0.1e-6)
- vld = yield alu.n.valid_o
- # bug #425 investigation
- do = alu.pipe_end.div_out
- ctx_op = do.i.ctx.op
- is_32bit = yield ctx_op.is_32bit
- is_signed = yield ctx_op.is_signed
- quotient_root = yield do.i.core.quotient_root
- quotient_65 = yield do.quotient_65
- dive_abs_ov32 = yield do.i.dive_abs_ov32
- div_by_zero = yield do.i.div_by_zero
- quotient_neg = yield do.quotient_neg
- print("32bit", hex(is_32bit))
- print("signed", hex(is_signed))
- print("quotient_root", hex(quotient_root))
- print("quotient_65", hex(quotient_65))
- print("div_by_zero", hex(div_by_zero))
- print("dive_abs_ov32", hex(dive_abs_ov32))
- print("quotient_neg", hex(quotient_neg))
- print("")
- yield
-
- yield Delay(0.1e-6)
- # XXX sim._state is an internal variable
- # and timeline does not exist
- # AttributeError: '_SimulatorState' object
- # has no attribute 'timeline'
- # TODO: raise bugreport with whitequark
- # requesting a public API to access this "officially"
- # XXX print("time:", sim._state.timeline.now)
- yield from self.check_alu_outputs(alu, pdecode2,
- isa_sim, code)
-
- sim.add_sync_process(process)
- with sim.write_vcd(f"div_simulator_{div_pipe_kind.name}.vcd",
- f"div_simulator_{div_pipe_kind.name}.gtkw",
- traces=[]):
- sim.run()
-
- def check_alu_outputs(self, alu, dec2, sim, code):
-
- rc = yield dec2.e.do.rc.data
- cridx_ok = yield dec2.e.write_cr.ok
- cridx = yield dec2.e.write_cr.data
-
- print("check extra output", repr(code), cridx_ok, cridx)
- if rc:
- self.assertEqual(cridx, 0, code)
-
- sim_o = {}
- res = {}
-
- yield from ALUHelpers.get_cr_a(res, alu, dec2)
- yield from ALUHelpers.get_xer_ov(res, alu, dec2)
- yield from ALUHelpers.get_int_o(res, alu, dec2)
- yield from ALUHelpers.get_xer_so(res, alu, dec2)
-
- print("res output", res)
-
- yield from ALUHelpers.get_sim_int_o(sim_o, sim, dec2)
- yield from ALUHelpers.get_wr_sim_cr_a(sim_o, sim, dec2)
- yield from ALUHelpers.get_sim_xer_ov(sim_o, sim, dec2)
- yield from ALUHelpers.get_sim_xer_so(sim_o, sim, dec2)
-
- print("sim output", sim_o)
-
- ALUHelpers.check_int_o(self, res, sim_o, code)
- ALUHelpers.check_cr_a(self, res, sim_o, "CR%d %s" % (cridx, code))
- ALUHelpers.check_xer_ov(self, res, sim_o, code)
- ALUHelpers.check_xer_so(self, res, sim_o, code)
-
- oe = yield dec2.e.do.oe.oe
- oe_ok = yield dec2.e.do.oe.ok
- print("oe, oe_ok", oe, oe_ok)
- if not oe or not oe_ok:
- # if OE not enabled, XER SO and OV must not be activated
- so_ok = yield alu.n.data_o.xer_so.ok
- ov_ok = yield alu.n.data_o.xer_ov.ok
- print("so, ov", so_ok, ov_ok)
- self.assertEqual(ov_ok, False, code)
- self.assertEqual(so_ok, False, code)
-
- def test_run_div_pipe_core(self):
- self.run_all(DivPipeKind.DivPipeCore)
-
- def test_run_fsm_div_core(self):
- self.run_all(DivPipeKind.FSMDivCore)
-
- def test_run_sim_only(self):
- self.run_all(DivPipeKind.SimOnly)
+if __name__ == "__main__":
+ unittest.main(exit=False)
+ suite = unittest.TestSuite()
+ #suite.addTest(DivRunner(DivTestCases.test_data, DivPipeKind.DivPipeCore))
+ #suite.addTest(DivRunner(DivTestCases.test_data, DivPipeKind.FSMDivCore))
+ suite.addTest(DivRunner(DivTestCases.test_data, DivPipeKind.SimOnly))
+ runner = unittest.TextTestRunner()
+ runner.run(suite)
-if __name__ == "__main__":
- unittest.main()