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nextpnr's Issues

All errors become WASM traps

Thanks for all the hard work making this package available.

I installed only one package with the command pip install yowasp-nextpnr-ice40-8k, on Windows 10 x64, Anaconda Python 3.7 (same result for 3.8). It installs yowasp_nextpnr_ice40_8k-0.0.post2625.dev9-py3-none-any.whl

I then run yowasp-nextpnr-ice40. It prints out the full list of command line options, then prints out the following error message:

  File "<my home>\miniconda3\lib\runpy.py", line 193, in _run_module_as_main                                                                 
    "__main__", mod_spec)                                                                                                                          
  File "<my home>\miniconda3\lib\runpy.py", line 85, in _run_code                                                                            
    exec(code, run_globals)                                                                                                                        
  File "<my home>\Miniconda3\Scripts\yowasp-nextpnr-ice40.exe\__main__.py", line 7, in <module>                                              
  File "<my home>\miniconda3\lib\site-packages\yowasp_nextpnr_ice40\bin\__init__.py", line 61, in run_nextpnr_ice40                          
    sys.exit(_run_wasm_app("nextpnr-ice40.wasm", argv))                                                                                            
  File "<my home>\miniconda3\lib\site-packages\yowasp_nextpnr_ice40\bin\__init__.py", line 34, in _run_wasm_app                              
    app.exports["_start"]()                                                                                                                        
  File "<my home>\miniconda3\lib\site-packages\wasmtime\_func.py", line 115, in __call__                                                     
    raise Trap.__from_ptr__(trap)                                                                                                                  
wasmtime._trap.Trap: wasm trap: unreachable                                                                                                        
wasm backtrace:                                                                                                                                    
  0: 0x168303 - <unknown>!<wasm function 2901>                                                                                                     
  1: 0x161621 - <unknown>!<wasm function 2823>                                                                                                     
  2: 0x16164e - <unknown>!<wasm function 2824>                                                                                                     
  3: 0x15192 - <unknown>!<wasm function 243>                                                                                                       
  4: 0x14cb5 - <unknown>!<wasm function 234>                                                                                                       
  5: 0xa2b9e - <unknown>!<wasm function 945>                                                                                                       
  6: 0xd4aa6 - <unknown>!<wasm function 1051>                                                                                                      
  7: 0xbd4a - <unknown>!<wasm function 62>                                                                                                         
  8: 0xd5ce1 - <unknown>!<wasm function 1054>                                                                                                      
  9: 0x16871d - <unknown>!<wasm function 2908>                                                                                                     
  10: 0x1687a5 - <unknown>!<wasm function 2910>                                                                                                    
  11: 0x168308 - <unknown>!<wasm function 2902>                                                                                                    
  12: 0x1768 - <unknown>!<wasm function 21>

where <my home> represents my windows home folder.

If I run pip install yowasp-nextpnr-ice40-all, then the error no longer occurs.

gowin_pack broken -> apicula 0.3.1 needed

The problem with gowin_pack presents as in ticket YosysHQ/apicula#99 and has been fixed in apicula 0.3.1

But apycula=0.3 is set as dependancy for the pip package yowasp-nextpnr-gowin 0.3.dev303, which prevents new installs getting a working version (where I tripped over it).

Recommend changing that dependancy to apycula>=0.3<0.4 so any other minor fixes like this to apycula get picked up and fixed without requiring further change to the dependancy setting here.

For now a workaround is pip install -U apycula which then complains that yowasp-nextpnr-gowin is incompatible because it requires apycula=0.3, but otherwise works.

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