Stats

  • Locked Locked
  • Replies 4
  • Subscribers 65
  • Views 15784
  • Members are here 0
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Concatenating enumerated types in coverpoint

RajeshCM

Hi,

I will explain my query with an example. 

AddrHigh is a 16-bit address which is enumerated as NORMAL, DEVICE etc.. AddrLow is also a 16-bit address which is enumerated as TIMER, UART etc..

 I want to concatenate AddrLow and AddrHigh, and declare bins like below. I don't want to specify binary values instead I want specify bins using enumerated names. Is it possible? If yes, what is the syntax?

 a: coverpoint {AddHigh, AddrLow} {

       //bins

   } 

 

  • Yes, you can do this. Your syntax was correct:

    covergroup ….

      A : coverpoint {AddrHigh, AddrLow} {

        bins HI[: {NORMAL, DEVICE, …};

        bins LO[: {TIMER, UART, …};

      }

    endgroup

     

    Tim
  • My text got screwed up below. Let me try again:

    covergroup ….

      A : coverpoint {AddrHigh, AddrLow} {

        bins HI[ = {NORMAL, DEVICE, …};

        bins LO[ = {TIMER, UART, …};

      }

    endgroup

     
    Tim

  •  We use comma separated values with in curly braces if we want to assign more than one value to a bin. For example,

           bin Index = {0x0, 0x1, 0x2};

     But my requirement is to concatenate enumerated types. The syntax you specified appears to be same as above except for a "[" after the bin name. So square bracket syntax differentiates between the two?

     

  • The square brackets (which refused  to cooperate) are optional. They are for "vector" bins which keep track of each value in the bin individually. Your example worked with either syntax.

    Tim

Community Guidelines

The Cadence Design Communities support Cadence users and technologists interacting to exchange ideas, news, technical information, and best practices to solve problems and get the most from Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. By accessing, contributing, using or downloading any materials from the site, you agree to be bound by the full Community Guidelines.