Changes between Version 83 and Version 84 of Writing Rules/Tlmt

Timestamp:

Nov 17, 2008, 11:43:35 AM (17 years ago)

Author:

fpecheux

Comment:

--

Writing Rules/Tlmt

@@ -508 +508 @@
 ////////////////////////// my_target.h ////////////////////////////////
 
+#ifndef __MY_TARGET_H__
+#define __MY_TARGET_H__
+
+#include "tlm.h"                        // TLM headers
+#include "tlmt_transactions.h"          // VCI headers
+#include "tlmt_simple_target_socket.h"  // VCI SOCKET
+#include "mapping_table.h"
+#include "soclib_endian.h"
+
+class my_target
+  : public sc_core::sc_module
+{
+ private:
+  typedef soclib::tlmt::VciParams<uint32_t,uint32_t,4> vci_param;
+
+  uint32_t m_targetid;
+  soclib::common::MappingTable m_mt;
+
+
+  /////////////////////////////////////////////////////////////////////////////////////
+  // Virtual Fuctions  tlm::tlm_fw_transport_if (VCI SOCKET)
+  /////////////////////////////////////////////////////////////////////////////////////
+
+  // receive command from initiator
+  tlm::tlm_sync_enum vci_cmd_received                 ///
+  ( soclib_vci_types::tlm_payload_type &payload,      /// VCI payload pointer
+    soclib_vci_types::tlm_phase_type   &phase,        /// transaction phase
+    sc_core::sc_time                   &time);        /// time
+
+ protected:
+  SC_HAS_PROCESS(my_target);
+ public:
+  tlmt_simple_target_socket<my_target,32,soclib_vci_types> p_vci_target;        ///<  VCI target socket
+
+  my_target(sc_core::sc_module_name            name,
+         const soclib::common::IntTab       &index,
+         const soclib::common::MappingTable &mt);
+
+  ~my_target();
+};
+
+#endif
 
 ////////////////////////// my_target.cpp ////////////////////////////////
 
+#include "my_target.h"
+
+#ifndef MY_TARGET_DEBUG
+#define MY_TARGET_DEBUG 1
+#endif
+
+#define tmpl(x) x my_target
+
+//////////////////////////////////////////////////////////////////////////////////////////
+// CONSTRUCTOR
+//////////////////////////////////////////////////////////////////////////////////////////
+tmpl(/**/)::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("p_vci_target")
+{
+  //register callback fuction
+  p_vci_target.register_nb_transport_fw(this, &my_target::vci_cmd_received);
+
+  m_targetid = m_mt.indexForId(index);
+}
+
+tmpl(/**/)::~my_target(){}
+
+/////////////////////////////////////////////////////////////////////////////////////
+// Virtual Fuctions  tlm::tlm_fw_transport_if VCI SOCKET
+/////////////////////////////////////////////////////////////////////////////////////
+
+//nb_transport_fw implementation calls from initiators
+tmpl(tlm::tlm_sync_enum)::vci_cmd_received                              //
+                         ( soclib_vci_types::tlm_payload_type &payload, // VCI payload pointer
+                           soclib_vci_types::tlm_phase_type   &phase,   // transaction phase
+                           sc_core::sc_time                   &time)    // time
+{
+  int nwords = payload.get_data_length() / vci_param::nbytes;
+  switch(payload.get_command()){
+  case soclib::tlmt::VCI_READ_COMMAND:
+  case soclib::tlmt::VCI_WRITE_COMMAND:
+  case soclib::tlmt::VCI_LOCKED_READ_COMMAND:
+  case soclib::tlmt::VCI_STORE_COND_COMMAND:
+      {
+#if MY_TARGET_DEBUG
+        std::cout << "[RAM " << m_targetid << "] Receive from source " << payload.get_src_id() <<" a packet "<< payload.get_pkt_id() << " Time = "  << time.value() << std::endl;
+#endif
+
+        payload.set_response_status(soclib::tlmt::TLMT_OK_RESPONSE);
+        phase = soclib::tlmt::TLMT_RSP;
+        time = time + (nwords * UNIT_TIME);
+
+#if MY_TARGET_DEBUG
+        std::cout << "[RAM " << m_targetid << "] Send to source "<< payload.get_src_id() << " a anwser packet " << payload.get_pkt_id() << " Time = "  << time.value() << std::endl;
+#endif
+
+        p_vci_target->nb_transport_bw(payload, phase, time);
+        return tlm::TLM_COMPLETED;
+      }
+      break;
+    default:
+      break;
+  }
+
+  //send error message
+  payload.set_response_status(soclib::tlmt::TLMT_ERROR_RESPONSE);
+
+  phase = soclib::tlmt::TLMT_RSP;
+  time = time + nwords * UNIT_TIME;
+
+#if MY_TARGET_DEBUG
+  std::cout << "[RAM " << m_targetid << "] Address " << payload.get_address() << " does not match any segment " << std::endl;
+  std::cout << "[RAM " << m_targetid << "] Send to source "<< payload.get_src_id() << " a error packet with time = "  << time.value() << std::endl;
+#endif
+  p_vci_target->nb_transport_bw(payload, phase, time);
+  return tlm::TLM_COMPLETED;
+}
 
 }}}