Re: [myhdl-list] Re: Feedback request on decorators in MyHDL

[<dan...@we...>]

Jan Decaluwe wrote:
...
> 
> Is VHPI actually used? By which simulator?
> 
...

I am adding a quote from the GHDL mailing list, as someone just asked a
question about the VPI/VHPI interface of GHDL there. Maybe this helps
getting a better idea about its status.

Cheers,

Guenter



GHDL mailing list post from today:

Subject: Re: VPI or VHPI

> Felix Bertram wrote:
>> GHDL's VPI support is very incomplete. It was implemented to  interface
>> GHDL with the IVI (Icarus Verilog Interactive) GUI  frontend- which
>> worked quite fine two years ago.
>> 
>> IVI implemented the following functionality:
>> - load a design
>> - select signals from the signal hierarchy
>> - view signal traces
>> - start simulation
>> - break simulation
>> - restart simulation
>> 
>> It did not implement single-stepping or source-breakpoints. Having a 
>> look at the IVI project should result in a few ideas on how to create  a
>> debugger frontend using VPI.
>> 
>> I am not sure, if the VPI stuff still works, as it is a long time  since
>> I last used it. GHDL has improved quite a bit, and maybe things  got
>> broken somewhere during this process. Improving GHDL's VPI  capabilities
>> would definitely be a major step. I believe there is  several people
>> around here willing to contribute to this, sure it  would be good to get
>> everybody together and coordinate the efforts a  bit. Christian?
>> Jean-Noel? Richard?
>> 
>> 
>> Best regards, Felix
>>