What is the meaning of :*= and :=* operators?











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I see some examples in the RocketChip, but could not find info in the API reference



  masterNode :=* tlOtherMastersNode
DisableMonitors { implicit p => tlSlaveXbar.node :*= slaveNode }









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    up vote
    4
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    I see some examples in the RocketChip, but could not find info in the API reference



      masterNode :=* tlOtherMastersNode
    DisableMonitors { implicit p => tlSlaveXbar.node :*= slaveNode }









    share|improve this question


























      up vote
      4
      down vote

      favorite









      up vote
      4
      down vote

      favorite











      I see some examples in the RocketChip, but could not find info in the API reference



        masterNode :=* tlOtherMastersNode
      DisableMonitors { implicit p => tlSlaveXbar.node :*= slaveNode }









      share|improve this question















      I see some examples in the RocketChip, but could not find info in the API reference



        masterNode :=* tlOtherMastersNode
      DisableMonitors { implicit p => tlSlaveXbar.node :*= slaveNode }






      chisel rocket-chip






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      edited Nov 10 at 20:43









      seldridge

      52538




      52538










      asked Nov 10 at 20:06









      Tampler

      1138




      1138
























          2 Answers
          2






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          up vote
          3
          down vote



          accepted










          These are not Chisel operators. Instead, they're defined and used by Rocket Chip's diplomacy package. These are shorthand operators for doing different types of binding between diplomatic nodes.



          No published API documentation for this exists, but you can start poking around in the diplomacy package. The releveant location where these are defined is src/main/scala/diplomacy/Nodes.scala.






          share|improve this answer

















          • 1




            Yeah, Diplomacy, while being a great differentiator of Chisel, is a highly esoteric feature with a poor documentation. We need to add more info about that and publish simple examples beyond Rocket
            – Tampler
            Nov 10 at 20:55










          • Note, that while esoteric, it solves a very real problem: I want to hook up N things together and I want their parameters to be a function of what I'm hooking up. Before, this would require very complicated configuration files. Diplomacy makes that far easier, albeit with some complicated software engineering on top of Chisel to enable pre-elaboration actions. If you haven't taken a look at the Diplomacy paper from CARRV 2017, it's a great reference: carrv.github.io/2017/papers/cook-diplomacy-carrv2017.pdf.
            – seldridge
            Nov 10 at 21:20






          • 1




            Here's a bit of documentation lowrisc.org/docs/diplomacy
            – Chick Markley
            Nov 11 at 1:33


















          up vote
          0
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          It might be useful to read the documentation on diplomacy by lowrisc: https://www.lowrisc.org/docs/diplomacy/






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          Farzad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes








            up vote
            3
            down vote



            accepted










            These are not Chisel operators. Instead, they're defined and used by Rocket Chip's diplomacy package. These are shorthand operators for doing different types of binding between diplomatic nodes.



            No published API documentation for this exists, but you can start poking around in the diplomacy package. The releveant location where these are defined is src/main/scala/diplomacy/Nodes.scala.






            share|improve this answer

















            • 1




              Yeah, Diplomacy, while being a great differentiator of Chisel, is a highly esoteric feature with a poor documentation. We need to add more info about that and publish simple examples beyond Rocket
              – Tampler
              Nov 10 at 20:55










            • Note, that while esoteric, it solves a very real problem: I want to hook up N things together and I want their parameters to be a function of what I'm hooking up. Before, this would require very complicated configuration files. Diplomacy makes that far easier, albeit with some complicated software engineering on top of Chisel to enable pre-elaboration actions. If you haven't taken a look at the Diplomacy paper from CARRV 2017, it's a great reference: carrv.github.io/2017/papers/cook-diplomacy-carrv2017.pdf.
              – seldridge
              Nov 10 at 21:20






            • 1




              Here's a bit of documentation lowrisc.org/docs/diplomacy
              – Chick Markley
              Nov 11 at 1:33















            up vote
            3
            down vote



            accepted










            These are not Chisel operators. Instead, they're defined and used by Rocket Chip's diplomacy package. These are shorthand operators for doing different types of binding between diplomatic nodes.



            No published API documentation for this exists, but you can start poking around in the diplomacy package. The releveant location where these are defined is src/main/scala/diplomacy/Nodes.scala.






            share|improve this answer

















            • 1




              Yeah, Diplomacy, while being a great differentiator of Chisel, is a highly esoteric feature with a poor documentation. We need to add more info about that and publish simple examples beyond Rocket
              – Tampler
              Nov 10 at 20:55










            • Note, that while esoteric, it solves a very real problem: I want to hook up N things together and I want their parameters to be a function of what I'm hooking up. Before, this would require very complicated configuration files. Diplomacy makes that far easier, albeit with some complicated software engineering on top of Chisel to enable pre-elaboration actions. If you haven't taken a look at the Diplomacy paper from CARRV 2017, it's a great reference: carrv.github.io/2017/papers/cook-diplomacy-carrv2017.pdf.
              – seldridge
              Nov 10 at 21:20






            • 1




              Here's a bit of documentation lowrisc.org/docs/diplomacy
              – Chick Markley
              Nov 11 at 1:33













            up vote
            3
            down vote



            accepted







            up vote
            3
            down vote



            accepted






            These are not Chisel operators. Instead, they're defined and used by Rocket Chip's diplomacy package. These are shorthand operators for doing different types of binding between diplomatic nodes.



            No published API documentation for this exists, but you can start poking around in the diplomacy package. The releveant location where these are defined is src/main/scala/diplomacy/Nodes.scala.






            share|improve this answer












            These are not Chisel operators. Instead, they're defined and used by Rocket Chip's diplomacy package. These are shorthand operators for doing different types of binding between diplomatic nodes.



            No published API documentation for this exists, but you can start poking around in the diplomacy package. The releveant location where these are defined is src/main/scala/diplomacy/Nodes.scala.







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Nov 10 at 20:51









            seldridge

            52538




            52538








            • 1




              Yeah, Diplomacy, while being a great differentiator of Chisel, is a highly esoteric feature with a poor documentation. We need to add more info about that and publish simple examples beyond Rocket
              – Tampler
              Nov 10 at 20:55










            • Note, that while esoteric, it solves a very real problem: I want to hook up N things together and I want their parameters to be a function of what I'm hooking up. Before, this would require very complicated configuration files. Diplomacy makes that far easier, albeit with some complicated software engineering on top of Chisel to enable pre-elaboration actions. If you haven't taken a look at the Diplomacy paper from CARRV 2017, it's a great reference: carrv.github.io/2017/papers/cook-diplomacy-carrv2017.pdf.
              – seldridge
              Nov 10 at 21:20






            • 1




              Here's a bit of documentation lowrisc.org/docs/diplomacy
              – Chick Markley
              Nov 11 at 1:33














            • 1




              Yeah, Diplomacy, while being a great differentiator of Chisel, is a highly esoteric feature with a poor documentation. We need to add more info about that and publish simple examples beyond Rocket
              – Tampler
              Nov 10 at 20:55










            • Note, that while esoteric, it solves a very real problem: I want to hook up N things together and I want their parameters to be a function of what I'm hooking up. Before, this would require very complicated configuration files. Diplomacy makes that far easier, albeit with some complicated software engineering on top of Chisel to enable pre-elaboration actions. If you haven't taken a look at the Diplomacy paper from CARRV 2017, it's a great reference: carrv.github.io/2017/papers/cook-diplomacy-carrv2017.pdf.
              – seldridge
              Nov 10 at 21:20






            • 1




              Here's a bit of documentation lowrisc.org/docs/diplomacy
              – Chick Markley
              Nov 11 at 1:33








            1




            1




            Yeah, Diplomacy, while being a great differentiator of Chisel, is a highly esoteric feature with a poor documentation. We need to add more info about that and publish simple examples beyond Rocket
            – Tampler
            Nov 10 at 20:55




            Yeah, Diplomacy, while being a great differentiator of Chisel, is a highly esoteric feature with a poor documentation. We need to add more info about that and publish simple examples beyond Rocket
            – Tampler
            Nov 10 at 20:55












            Note, that while esoteric, it solves a very real problem: I want to hook up N things together and I want their parameters to be a function of what I'm hooking up. Before, this would require very complicated configuration files. Diplomacy makes that far easier, albeit with some complicated software engineering on top of Chisel to enable pre-elaboration actions. If you haven't taken a look at the Diplomacy paper from CARRV 2017, it's a great reference: carrv.github.io/2017/papers/cook-diplomacy-carrv2017.pdf.
            – seldridge
            Nov 10 at 21:20




            Note, that while esoteric, it solves a very real problem: I want to hook up N things together and I want their parameters to be a function of what I'm hooking up. Before, this would require very complicated configuration files. Diplomacy makes that far easier, albeit with some complicated software engineering on top of Chisel to enable pre-elaboration actions. If you haven't taken a look at the Diplomacy paper from CARRV 2017, it's a great reference: carrv.github.io/2017/papers/cook-diplomacy-carrv2017.pdf.
            – seldridge
            Nov 10 at 21:20




            1




            1




            Here's a bit of documentation lowrisc.org/docs/diplomacy
            – Chick Markley
            Nov 11 at 1:33




            Here's a bit of documentation lowrisc.org/docs/diplomacy
            – Chick Markley
            Nov 11 at 1:33












            up vote
            0
            down vote













            It might be useful to read the documentation on diplomacy by lowrisc: https://www.lowrisc.org/docs/diplomacy/






            share|improve this answer








            New contributor




            Farzad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






















              up vote
              0
              down vote













              It might be useful to read the documentation on diplomacy by lowrisc: https://www.lowrisc.org/docs/diplomacy/






              share|improve this answer








              New contributor




              Farzad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
              Check out our Code of Conduct.




















                up vote
                0
                down vote










                up vote
                0
                down vote









                It might be useful to read the documentation on diplomacy by lowrisc: https://www.lowrisc.org/docs/diplomacy/






                share|improve this answer








                New contributor




                Farzad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                It might be useful to read the documentation on diplomacy by lowrisc: https://www.lowrisc.org/docs/diplomacy/







                share|improve this answer








                New contributor




                Farzad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                share|improve this answer



                share|improve this answer






                New contributor




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                answered Nov 15 at 17:31









                Farzad

                1




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                New contributor





                Farzad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






                Farzad is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






























                     

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