RE: [sv-bc] Array of instance passed with modport

For reference, the original issue discussed in http://www.eda-stds.org/sv-bc/hm/4303.html was recorded in Mantis 1611 (http://www.eda-stds.org/svdb/view.php?id=1611).

Shalom

> -----Original Message-----
> From: owner-sv-bc@server.eda.org 
> [mailto:owner-sv-bc@server.eda.org] On Behalf Of Brad Pierce
> Sent: Tuesday, December 02, 2008 6:15 PM
> To: sv-bc@eda.org
> Subject: RE: [sv-bc] Array of instance passed with modport
> 
> Surya,
> 
> Is a modport a subtype operation that acts on the interface 
> type? -- for example, if I wanted to pass only one modport 
> "slave" of an array of interfaces "servers", would the syntax be
> 
>      bottom bot ( servers.slave[4] ) ;
> 
> not
> 
>      bottom bot ( servers[4].slave ) ;
> 
> ? I don't see an example of this in the 2005 LRM, although 
> there is something similar at the end of 20.4.4  using the 
> generate construct. (On the other hand, see
> 
>      http://www.eda-stds.org/sv-bc/hm/4256.html
>      http://www.eda-stds.org/sv-bc/hm/4303.html )
> 
> But would this subtype viewpoint still work with arrays of  
> virtual interfaces? I don't see any examples of arrays of 
> virtual  interfaces in the LRM -- is there any reason to 
> think that if one element had a modport "slave", then they all would?
> 
> -- Brad
> 
> 
> 
> 
> ________________________________________
> From: owner-sv-bc@eda.org [owner-sv-bc@eda.org] On Behalf Of 
> Surya Pratik Saha [spsaha@cal.interrasystems.com]
> Sent: Tuesday, December 02, 2008 3:10 AM
> To: sv-bc@eda.org
> Subject: [sv-bc] Array of instance passed with modport
> 
> Hi,
> I want to connect an array of instance with a module having 
> array of interface port. But along with that, actually I want 
> to connect modport there. How do I do that. If I write following case:
> 
> interface I(in1,in2,out);
>     input  in1,in2;
>     output reg out;
>     modport m1(input in1,input in2,output out); endinterface
> 
> module middle(I A[7:0]  ,output out1);
> endmodule
> 
> module top(input [7:0]in1,in2,output [7:0]out,out1);
>     I I1 [7:0] (in1,in2,out);
>     middle m1(I1.m1,out1); // Is I1.m1 is valid hierarchical 
> reference?
> Should it not require selection of array index endmodule
> 
> Different simulators behave differently here, some pass, some 
> fail due to not using selection of array index. If it needs a 
> modport array, how do I declare that? I did not see anything 
> in the LRM?
> 
> --
> Regards
> Surya
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