extension_sender.h

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/*
  © 2015 Intel Corporation
 
  This software and the related documents are Intel copyrighted materials, and
  your use of them is governed by the express license under which they were
  provided to you ("License"). Unless the License provides otherwise, you may
  not use, modify, copy, publish, distribute, disclose or transmit this software
  or the related documents without Intel's prior written permission.
 
  This software and the related documents are provided as is, with no express or
  implied warranties, other than those that are expressly stated in the License.
*/
 
#ifndef SIMICS_SYSTEMC_IFACE_EXTENSION_SENDER_H
#define SIMICS_SYSTEMC_IFACE_EXTENSION_SENDER_H
 
#include <simics/systemc/iface/extension_sender_interface.h>
#include <simics/systemc/iface/transaction.h>
#include <simics/systemc/iface/transaction_pool.h>
 
#include <tlm>
 
namespace simics {
namespace systemc {
namespace iface {
 
template<typename TSocket>
class ExtensionSender : public ExtensionSenderInterface {
  public:
    ExtensionSender()
        : socket_(NULL), delay_(sc_core::SC_ZERO_TIME), payload_(NULL) {
    }
    void init(TSocket *socket) {
        socket_ = socket;
    }
    void set_delay(sc_core::sc_time delay) {
        delay_ = delay;
    }
    void set_payload(tlm::tlm_generic_payload *payload) {
        payload_ = payload;
    }
    Transaction transaction() override {
        if (payload_)
            return Transaction(payload_);
 
        return pool_.acquire();
    }
    void send_extension(Transaction *transaction) override {
        (*socket_)->b_transport(*transaction, delay_);
    }
    void send_failed(Transaction *transaction) override {
        SC_REPORT_ERROR("/intel/ExtensionSender",
                        "Extension not processed correctly.");
    }
    virtual ~ExtensionSender() {}
 
  private:
    TSocket *socket_;
    sc_core::sc_time delay_;
    tlm::tlm_generic_payload *payload_;
    TransactionPool pool_;
};
 
}  // namespace iface
}  // namespace systemc
}  // namespace simics
 
#endif