[libre-riscv-dev] [Bug 316] bperm TODO

[bugzilla-daemon@libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=316

--- Comment #63 from Cole Poirier <colepoirier@gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #59)
> (In reply to Cole Poirier from comment #57)
> > Upon further investigation the import errors appear to be non-trivial to fix
> > so I am leaving them alone
> 
> que? que? give me a hint, i can take a look.

I must stop for today. I don't have confidence that I can write the necessary
code with the level of care necessary at this point at the end of my day, so I
will refrain from doing so and continue tomorrow with integrating Bpermd into
fu/logical. Below is the failed test info that I got when trying to fix import
errors in two of the tests.


Tried to fix the following two tests (stack traces provided for debuggability):
```
Failed test1:
  File "/home/colepoirier/src/soc/src/soc/scoreboard/test_mem2_fu_matrix.py",
line 20, in <module>
    from ..experiment.score6600 import IssueToScoreboard, RegSim, instr_q,
wait_for_busy_clear, wait_for_issue, CompUnitALUs, CompUnitBR, CompUnitsBase
  File "/home/colepoirier/src/soc/src/soc/experiment/score6600.py", line 17, in
<module>
    from soc.experiment.compalu import ComputationUnitNoDelay
  File "/home/colepoirier/src/soc/src/soc/experiment/compalu.py", line 9, in
<module>
    from soc.experiment.alu_hier import CompALUOpSubset
  File "/home/colepoirier/src/soc/src/soc/experiment/alu_hier.py", line 20, in
<module>
    from soc.alu.alu_input_record import CompALUOpSubset
ModuleNotFoundError: No module named 'soc.alu'

Failed test 2:
File "/home/colepoirier/src/soc/src/soc/scoreboard/test_mem_fu_matrix.py", line
24, in <module>
    from ..experiment.score6600 import IssueToScoreboard, RegSim, instr_q,
wait_for_busy_clear, wait_for_issue, CompUnitALUs, CompUnitBR
  File "/home/colepoirier/src/soc/src/soc/experiment/score6600.py", line 17, in
<module>
    from soc.experiment.compalu import ComputationUnitNoDelay
  File "/home/colepoirier/src/soc/src/soc/experiment/compalu.py", line 9, in
<module>
    from soc.experiment.alu_hier import CompALUOpSubset
  File "/home/colepoirier/src/soc/src/soc/experiment/alu_hier.py", line 20, in
<module>
    from soc.alu.alu_input_record import CompALUOpSubset
ModuleNotFoundError: No module named 'soc.alu'
```

Fixing the path of soc.alu to be soc.fu.alu results in the tests still failing
but with a different error:

```
Failed test 1:
ERROR: soc.scoreboard.test_mem2_fu_matrix.test_mem_fus
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/colepoirier/src/soc/src/soc/scoreboard/test_mem2_fu_matrix.py",
line 585, in test_mem_fus
    vcd_name='test_mem_fus.vcd')
  File "/home/colepoirier/src/nmigen/nmigen/compat/sim/__init__.py", line 22,
in run_simulation
    fragment.domains += ClockDomain("sync")
AttributeError: 'MemFunctionUnits' object has no attribute 'domains'

Failed test2:
ERROR: soc.scoreboard.test_mem_fu_matrix.test_mem_fus
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/colepoirier/src/soc/src/soc/scoreboard/test_mem_fu_matrix.py",
line 679, in test_mem_fus
    vcd_name='test_mem_fus.vcd')
  File "/home/colepoirier/src/nmigen/nmigen/compat/sim/__init__.py", line 22,
in run_simulation
    fragment.domains += ClockDomain("sync")
AttributeError: 'MemFunctionUnits' object has no attribute 'domains'
```

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