anchor.diff:  
   interface PortalDmaTop;
      interface StdAxi3Slave     ctrl;
  -   interface StdAxi3Master    m_axi;
  +   interface StdAxi3Client    m_axi;
      interface ReadOnly#(Bool)  interrupt;
      interface LEDS             leds;
   endinterface
  
positive.code: 
  
  import AxiMasterSlave::*;
  import Leds::*;
  
  interface Portal#(numeric type portalAddrBits, 
  
negative.code: 
  typedef Axi3Slave#(32,32,4,12) StdAxi3Slave;
  typedef Axi3Master#(40,64,8,12) StdAxi3Master;
  typedef Axi3Server#(40,64,8,12) StdAxi3Server;
  typedef Axi3Client#(40,64,8,12) StdAxi3Client;
  typedef Portal#(16,32,32,4,12) StdPortal;
  
  interface PortalTop;
  