Changes between Version 82 and Version 83 of Writing Rules/Tlmt

Timestamp:

Nov 17, 2008, 11:41:49 AM (15 years ago)

Author:

fpecheux

Comment:

--

Writing Rules/Tlmt

@@ -194 +194 @@
 ////////////////////////// my_initiator.h ////////////////////////////////
 
+#ifndef __MY_INITIATOR_H__
+#define __MY_INITIATOR_H__
+
+#include "tlm.h"                                // TLM headers
+#include "tlmt_transactions.h"                  // VCI headers
+#include "tlmt_simple_initiator_socket.h"       // VCI socket
+#include "mapping_table.h"
+
+class my_initiator                              // my_initiator
+:         public sc_core::sc_module             // inherit from SC module base class
+{
+private:
+  //Variables
+  typedef soclib::tlmt::VciParams<uint32_t,uint32_t,4> vci_param;
+  sc_core::sc_event m_rspEvent;
+  sc_core::sc_time m_localTime;
+  bool m_activity;
+  uint32_t m_initid;
+  uint32_t m_counter;
+  uint32_t m_lookahead;
+
+  /////////////////////////////////////////////////////////////////////////////////////
+  // Functions
+  /////////////////////////////////////////////////////////////////////////////////////
+  void execLoop(void);                              // initiator thread
+  void addLocalTime(sc_core::sc_time t);            // add a value to the local time
+  void setLocalTime(sc_core::sc_time& t);           // set the local time
+  sc_core::sc_time getLocalTime(void);              // get the local time
+  void setActivity(bool t);                         // set the activity status (true if the component is active)
+  bool getActivity(void);                           // get the activity state
+
+  /////////////////////////////////////////////////////////////////////////////////////
+  // Virtual Fuctions  tlm::tlm_bw_transport_if (VCI INITIATOR SOCKET)
+  /////////////////////////////////////////////////////////////////////////////////////
+
+  /// Receive rsp from target
+  tlm::tlm_sync_enum vci_rsp_received                // for resp messages
+    ( soclib_vci_types::tlm_payload_type &payload,   // payload
+      soclib_vci_types::tlm_phase_type   &phase,     // transaction phase
+      sc_core::sc_time                   &time);     // resp time
+
+protected:
+  SC_HAS_PROCESS(my_initiator);
+
+public:
+  tlmt_simple_initiator_socket<my_initiator,32,soclib_vci_types> p_vci_init;   // VCI initiator port
+
+  //constructor
+  my_initiator(                                              // constructor
+               sc_core::sc_module_name name,                 // module name
+               const soclib::common::IntTab &index,          // VCI initiator index
+               const soclib::common::MappingTable &mt,       // mapping table
+               uint32_t lookahead                            // lookahead
+               );
+
+};
+ #endif /* __MY_INITIATOR_H__ */
 
 ////////////////////////// my_initiator.cpp ////////////////////////////////
+#include "my_initiator.h"                       // Our header
+
+#ifndef MY_INITIATOR_DEBUG
+#define MY_INITIATOR_DEBUG 1
+#endif
+
+#define tmpl(x) x my_initiator
+
+///Constructor
+tmpl (/**/)::my_initiator
+            ( sc_core::sc_module_name name,           // module name
+              const soclib::common::IntTab &index,    // index of mapping table
+              const soclib::common::MappingTable &mt, // mapping table
+              uint32_t lookahead                      // lookahead
+              )
+            : sc_module(name)                         // init module name
+           , p_vci_init("p_vci_init")                 // vci initiator socket name
+{
+  //register callback function
+  p_vci_init.register_nb_transport_bw(this, &my_initiator::vci_rsp_received);
+
+  // initiator identification
+  m_initid = mt.indexForId(index);
+
+  //lookahead control
+  m_counter = 0;
+  m_lookahead = lookahead;
+
+  //initialize the local time
+  m_localTime= 0 * UNIT_TIME;
+
+  // initialize the activity variable
+  setActivity(true);
+
+  // register thread process
+  SC_THREAD(execLoop);
+}
+
+/////////////////////////////////////////////////////////////////////////////////////
+// Functions
+/////////////////////////////////////////////////////////////////////////////////////
+tmpl (sc_core::sc_time)::getLocalTime()
+{
+  return m_localTime;
+}
+
+tmpl (bool)::getActivity()
+{
+  return m_activity;
+}
+
+tmpl (void)::setLocalTime(sc_core::sc_time &t)
+{
+  m_localTime=t;
+}
+
+tmpl (void)::addLocalTime(sc_core::sc_time t)
+{
+  m_localTime= m_localTime + t;
+}
+
+tmpl (void)::setActivity(bool t)
+{
+  m_activity =t;
+}
+
+tmpl (void)::execLoop(void)   // initiator thread
+{
+  soclib_vci_types::tlm_payload_type payload;
+  soclib_vci_types::tlm_phase_type phase;
+  sc_core::sc_time sendTime;
+  unsigned char data[32];
+  unsigned char byte_enable[32];
+  int pktid = 0;
+  int nbytes = 4; // 1 word of 32 bits
+
+  uint32_t int_data = 12345678;
+  std::ostringstream name;
+  name << "" << int_data;
+  std::cout << "NAME = " << std::dec << name << std::endl;
+
+  for(int i=0; i<nbytes; i++)
+    byte_enable[i] = TLMT_BYTE_ENABLED;
+
+  for(int i=0; i<32; i++)
+    data[i] = 0x0;
+
+  data[0]='a';
+  data[1]='b';
+  data[2]='c';
+  data[3]='d';
+  data[4]='\0';
+
+  std ::cout<< "DATA = " << data << std::endl;
+
+  while ( 1 ){
+    addLocalTime(10 * UNIT_TIME);
+
+    payload.set_address(0x10000000);//ram 0
+    payload.set_byte_enable_ptr(byte_enable);
+    payload.set_byte_enable_length(nbytes);
+    payload.set_data_ptr(data);
+    payload.set_data_length(nbytes); // 5 words of 32 bits
+
+    payload.set_write();
+    payload.set_src_id(m_initid);
+    payload.set_trd_id(0);
+    payload.set_pkt_id(pktid);
+
+    phase= soclib::tlmt::TLMT_CMD;
+    sendTime = getLocalTime();
+
+#if MY_INITIATOR_DEBUG
+    std::cout << "[INITIATOR " << m_initid << "] send cmd packet id = " << payload.get_pkt_id() << " time = " << getLocalTime().value() << std::endl;
+#endif
+
+    p_vci_init->nb_transport_fw(payload, phase, sendTime);
+    wait(m_rspEvent);
+
+#if MY_INITIATOR_DEBUG
+    std::cout << "[INITIATOR " << m_initid << "] receive rsp packet id = " << payload.get_pkt_id() << " time = " << getLocalTime().value() << std::endl;
+#endif
+
+    pktid++;
+
+    addLocalTime(10 * UNIT_TIME);
+
+    payload.set_address(0x10000000);//ram 0
+    payload.set_byte_enable_ptr(byte_enable);
+    payload.set_byte_enable_length(nbytes);
+    payload.set_data_ptr(data);
+    payload.set_data_length(nbytes); // 5 words of 32 bits
+    payload.set_read();
+    payload.set_src_id(m_initid);
+    payload.set_trd_id(0);
+    payload.set_pkt_id(pktid);
+
+    phase= soclib::tlmt::TLMT_CMD;
+    sendTime = getLocalTime();
+
+#if MY_INITIATOR_DEBUG
+    std::cout << "[INITIATOR " << m_initid << "] send cmd packet id = " << payload.get_pkt_id() << " time = " << getLocalTime().value() << std::endl;
+#endif
+
+    p_vci_init->nb_transport_fw(payload, phase, sendTime);
+    wait(m_rspEvent);
+
+#if MY_INITIATOR_DEBUG
+    std::cout << "[INITIATOR " << m_initid << "] receive rsp packet id = " << payload.get_pkt_id() << " time = " << getLocalTime().value() << std::endl;
+
+#endif
+
+    pktid++;
+
+    // lookahead management
+    m_counter++ ;
+    if (m_counter >= m_lookahead) {
+      m_counter = 0 ;
+      wait(sc_core::SC_ZERO_TIME) ;
+    }
+
+  } // end while true
+  setActivity(false);
+} // end initiator_thread
+
+
+/////////////////////////////////////////////////////////////////////////////////////
+// Virtual Functions  tlm::tlm_bw_transport_if (VCI SOCKET)
+/////////////////////////////////////////////////////////////////////////////////////
+/// receive the response packet from target socket
+
+tmpl (tlm::tlm_sync_enum)::vci_rsp_received          //
+( soclib_vci_types::tlm_payload_type &payload,       // VCI payload
+  soclib_vci_types::tlm_phase_type   &phase,         // tlm phase
+  sc_core::sc_time                   &rspTime        // time
+ )
+{
+  switch(phase){
+  case soclib::tlmt::TLMT_RSP :
+    setLocalTime(rspTime);
+    m_rspEvent.notify(0 * UNIT_TIME);
+    break;
+  case soclib::tlmt::TLMT_INFO :
+    payload.set_local_time_ptr(&m_localTime);
+    payload.set_activity_ptr(&m_activity);
+    break;
+  }
+  return tlm::TLM_COMPLETED;
+} // end backward nb transport
+