Changes between Version 125 and Version 126 of Writing Rules/Tlmt

Timestamp:

Mar 3, 2009, 11:21:40 AM (15 years ago)

Author:

alinevieiramello@…

Comment:

--

Writing Rules/Tlmt

@@ -251 +251 @@
     p_vci_init("socket")                  // vci initiator socket name
 { 
-  //register callback function VCI INITIATOR SOCKET
+  //register callback function (VCI INITIATOR SOCKET)
   p_vci_init.register_nb_transport_bw(this, &my_initiator::my_nb_transport_bw);
    //initiator identification
@@ -281 +281 @@
   time = m_pdes_local_time->get();
   //send a message with command equals to PDES_ACTIVE or PDES_INACTIVE
-  p_vci_initiator->nb_transport_fw(*payload_ptr, phase, time);
+  p_vci_init->nb_transport_fw(*payload_ptr, phase, time);
   //wait a response
   wait(m_rspEvent);
@@ -303 +303 @@
   time = m_pdes_local_time->get();
   //send a null message
-  p_vci_initiator->nb_transport_fw(*payload_ptr, phase, time);
+  p_vci_init->nb_transport_fw(*payload_ptr, phase, time);
   //deschedule the initiator thread
   wait(sc_core::SC_ZERO_TIME);
@@ -345 +345 @@
     time = m_pdes_local_time->get();
     // send the transaction and wait a response
-    p_vci_initiator->nb_transport_fw(*payload_ptr, phase, time);
+    p_vci_init->nb_transport_fw(*payload_ptr, phase, time);
     wait(m_rspEvent);
  
@@ -433 +433 @@
 == E.5) VCI target example ==
 {{{
-#include "my_target.h"
+#include "my_target.h"                              // header
 
 my_target::my_target
-( sc_core::sc_module_name name,
-  const soclib::common::IntTab &index,
-  const soclib::common::MappingTable &mt)
-  : sc_module(name),
-    m_mt(mt),
-    p_vci_target("socket")
+( sc_core::sc_module_name name,                     // module name
+  const soclib::common::IntTab &index,              // index of mapping table
+  const soclib::common::MappingTable &mt)           // mapping table
+  : sc_module(name),                                // init module name
+    m_mt(mt),                                       // mapping table
+    p_vci_target("socket")                          // vci target socket name
 {
-  //register callback fuction
+  // register callback fuction (VCI TARGET SOCKET)
   p_vci_target.register_nb_transport_fw(this, &my_target::my_nb_transport_fw);
-  
-  //identification
+  // identification
   m_tgtid = m_mt.indexForId(index);
 }
 
-my_target::~my_target(){}
-
-/////////////////////////////////////////////////////////////////////////////////////
-// Virtual Fuctions  tlm::tlm_fw_transport_if (VCI TARGET SOCKET)
-/////////////////////////////////////////////////////////////////////////////////////
-tlm::tlm_sync_enum my_target::my_nb_transport_fw          // non-blocking transport call through Bus
-( tlm::tlm_generic_payload &payload,                      // generic payoad pointer
-  tlm::tlm_phase           &phase,                       // transaction phase
-  sc_core::sc_time         &time)                        // time it should take for transport
+// inbound nb_transport_fw (VCI TARGET SOCKET)
+tlm::tlm_sync_enum my_target::my_nb_transport_fw 
+( tlm::tlm_generic_payload &payload,                // payload
+  tlm::tlm_phase           &phase,                  // phase
+  sc_core::sc_time         &time)                   // time
 {
+  // get the payload extension
   soclib_payload_extension *extension_pointer;
   payload.get_extension(extension_pointer);
 
-  //this target does not treat the null message
+  // this target does not treat the null message
   if(extension_pointer->is_null_message()){
     return tlm::TLM_COMPLETED;
   }
-   
-  uint32_t srcid = extension_pointer->get_src_id();
+  // get the number of words   
   uint32_t nwords = payload.get_data_length() / vci_param::nbytes;
-  uint32_t address = payload.get_address();
-  
+ 
   switch(extension_pointer->get_command()){
   case soclib::tlmt::VCI_READ_COMMAND:
@@ -479 +473 @@
     ...
     
-    //set response status
+    //set ok to response status
     payload.set_response_status(tlm::TLM_OK_RESPONSE);
-    //modify the phase
-    phase = tlm::BEGIN_RESP;
-    //increment the target processing time 
-    time = time + (nwords * UNIT_TIME);
-    //send the response
-    p_vci_target->nb_transport_bw(payload, phase, time);
-    return tlm::TLM_COMPLETED;
     break;
   default:
+    //set error to response status
+    payload.set_response_status(tlm::TLM_GENERIC_ERROR_RESPONSE);
     break;
   }
   
-  //send error message
-  payload.set_response_status(tlm::TLM_COMMAND_ERROR_RESPONSE);
   //modify the phase
   phase = tlm::BEGIN_RESP;
   //increment the target processing time 
-  time = time + nwords * UNIT_TIME;
+  time = time + (nwords * UNIT_TIME);
   //send the response
   p_vci_target->nb_transport_bw(payload, phase, time);