RE: [sv-bc] Unofficial Meeting Monday Jan 10 - 9am PST

An interface_port_header occurs in a module declaration, not in a modport declaration. His example uses generic interface ports exactly because otherwise he'd need to hard-code many module declarations differing only in the generate index in the interface_port_header, instead of using the single module declaration enabled by the generic trick.

-- Brad

________________________________________
From: owner-sv-bc@eda.org [owner-sv-bc@eda.org] On Behalf Of Bresticker, Shalom [shalom.bresticker@intel.com]
Sent: Wednesday, January 12, 2011 10:41 AM
To: brad_pierce@acm.org
Cc: Jonathan Bromley; sv-bc@eda.org
Subject: RE: [sv-bc] Unofficial Meeting Monday Jan 10 - 9am PST

Not a module declaration, but a modport declaration.

Exactly like Jonathan's example.

Shalom

> -----Original Message-----
> From: bradpiercephd@gmail.com [mailto:bradpiercephd@gmail.com] On
> Behalf Of Brad Pierce
> Sent: Wednesday, January 12, 2011 7:05 PM
> To: Bresticker, Shalom
> Cc: Jonathan Bromley; sv-bc@eda.org
> Subject: Re: [sv-bc] Unofficial Meeting Monday Jan 10 - 9am PST
>
> What would we be the use of it? You can't generate a module
> declaration.
>
> -- Brad
>
> 2011/1/12 Bresticker, Shalom <shalom.bresticker@intel.com>:
> > The BNF is
> >
> > interface_port_header ::=
> > interface_identifier [ . modport_identifier ]
> > | interface [ . modport_identifier ]
> >
> > Shouldn't you be able to use a generated modport in a non-generic
> interface port declaration?
> >
> > Shalom
> >
> >
> >> -----Original Message-----
> >> From: owner-sv-bc@eda.org [mailto:owner-sv-bc@eda.org] On Behalf Of
> >> Brad Pierce
> >> Sent: Wednesday, January 12, 2011 2:51 AM
> >> To: Jonathan Bromley
> >> Cc: sv-bc@eda.org
> >> Subject: Re: [sv-bc] Unofficial Meeting Monday Jan 10 - 9am PST
> >>
> >> No, it's a semantic issue, because the current BNF can already
> accept
> >> your example, if we agree that the 'interface' keyword in a generic
> >> interface_port_header can stand in for, not only an interface
> >> instance, but also for a *scope* of an interface instance.
> >>
> >> -- Brad
> >>
> >> On Tue, Jan 11, 2011 at 3:53 PM, Brad Pierce <brad_pierce@acm.org>
> >> wrote:
> >> > Jonathan,
> >> >
> >> > On p. 29 of that presentation ( http://bit.ly/eipdSE ) , you show
> a
> >> > very clever trick of using generic interface port declarations to
> >> > receive a generated modport.
> >> >
> >> > I think the current BNF in A.1.3 (interface_port_header) never
> >> > contemplated the possibility of generate scopes, and to make your
> >> > trick work within the official standard, we'd need to correct that
> >> > oversight.
> >> >
> >> > -- Brad
> >
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