simple_initiator_socket.h

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#ifndef TLM_UTILS_SIMPLE_INITIATOR_SOCKET_H_INCLUDED_
#define TLM_UTILS_SIMPLE_INITIATOR_SOCKET_H_INCLUDED_

#include <tlm>
#include "tlm_utils/convenience_socket_bases.h"

namespace tlm_utils {

template< typename MODULE, unsigned int BUSWIDTH, typename TYPES
        , sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND >
class simple_initiator_socket_b
  : public tlm::tlm_initiator_socket<BUSWIDTH, TYPES, 1, POL>
  , protected simple_socket_base
{
public:
  typedef typename TYPES::tlm_payload_type                transaction_type;
  typedef typename TYPES::tlm_phase_type                  phase_type;
  typedef tlm::tlm_sync_enum                              sync_enum_type;
  typedef tlm::tlm_fw_transport_if<TYPES>                 fw_interface_type;
  typedef tlm::tlm_bw_transport_if<TYPES>                 bw_interface_type;
  typedef tlm::tlm_initiator_socket<BUSWIDTH,TYPES,1,POL> base_type;

public:
  static const char* default_name()
    { return sc_core::sc_gen_unique_name("simple_initiator_socket"); }

  explicit simple_initiator_socket_b(const char* n = default_name())
    : base_type(n)
    , m_process(this)
  {
    this->m_export.bind(m_process);
  }

  void register_nb_transport_bw(MODULE* mod,
                                sync_enum_type (MODULE::*cb)(transaction_type&,
                                                             phase_type&,
                                                             sc_core::sc_time&))
  {
    m_process.set_transport_ptr(mod, cb);
  }

  void register_invalidate_direct_mem_ptr(MODULE* mod,
                                          void (MODULE::*cb)(sc_dt::uint64, sc_dt::uint64))
  {
    m_process.set_invalidate_direct_mem_ptr(mod, cb);
  }

private:
  class process
    : public tlm::tlm_bw_transport_if<TYPES>
    , protected convenience_socket_cb_holder
  {
  public:
    typedef sync_enum_type (MODULE::*TransportPtr)(transaction_type&,
                                                   phase_type&,
                                                   sc_core::sc_time&);
    typedef void (MODULE::*InvalidateDirectMemPtr)(sc_dt::uint64,
                                                   sc_dt::uint64);

    explicit process(simple_socket_base* owner)
      : convenience_socket_cb_holder(owner), m_mod(0)
      , m_transport_ptr(0)
      , m_invalidate_direct_mem_ptr(0)
    {
    }

    void set_transport_ptr(MODULE* mod, TransportPtr p)
    {
      if (m_transport_ptr) {
        display_warning("non-blocking callback already registered");
        return;
      }
      sc_assert(!m_mod || m_mod == mod);
      m_mod = mod;
      m_transport_ptr = p;
    }

    void set_invalidate_direct_mem_ptr(MODULE* mod, InvalidateDirectMemPtr p)
    {
      if (m_invalidate_direct_mem_ptr) {
        display_warning("invalidate DMI callback already registered");
        return;
      }
      sc_assert(!m_mod || m_mod == mod);
      m_mod = mod;
      m_invalidate_direct_mem_ptr = p;
    }

    sync_enum_type nb_transport_bw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t)
    {
      if (m_transport_ptr) {
        // forward call
        sc_assert(m_mod);
        return (m_mod->*m_transport_ptr)(trans, phase, t);
      }
      display_error("no transport callback registered");
      return tlm::TLM_COMPLETED;
    }

    void invalidate_direct_mem_ptr(sc_dt::uint64 start_range,
                                   sc_dt::uint64 end_range)
    {
      if (m_invalidate_direct_mem_ptr) {
        // forward call
        sc_assert(m_mod);
        (m_mod->*m_invalidate_direct_mem_ptr)(start_range, end_range);
      }
    }

  private:
    MODULE* m_mod;
    TransportPtr m_transport_ptr;
    InvalidateDirectMemPtr m_invalidate_direct_mem_ptr;
  };

private:
  const sc_core::sc_object* get_socket() const { return this; }
private:
  process m_process;
};

template< typename MODULE, unsigned int BUSWIDTH = 32
        , typename TYPES = tlm::tlm_base_protocol_types >
class simple_initiator_socket
  : public simple_initiator_socket_b<MODULE,BUSWIDTH,TYPES>
{
  typedef simple_initiator_socket_b<MODULE,BUSWIDTH,TYPES> socket_b;
public:
  simple_initiator_socket() : socket_b() {}
  explicit simple_initiator_socket(const char* name) : socket_b(name) {}
};

template< typename MODULE, unsigned int BUSWIDTH = 32
        , typename TYPES = tlm::tlm_base_protocol_types >
class simple_initiator_socket_optional
  : public simple_initiator_socket_b<MODULE,BUSWIDTH,TYPES,sc_core::SC_ZERO_OR_MORE_BOUND>
{
  typedef simple_initiator_socket_b<MODULE,BUSWIDTH,TYPES,sc_core::SC_ZERO_OR_MORE_BOUND> socket_b;
public:
  simple_initiator_socket_optional() : socket_b() {}
  explicit simple_initiator_socket_optional(const char* name) : socket_b(name) {}
};


// Tagged version

template< typename MODULE, unsigned int BUSWIDTH, typename TYPES
        , sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND >
class simple_initiator_socket_tagged_b
  : public tlm::tlm_initiator_socket<BUSWIDTH, TYPES, 1, POL>
  , protected simple_socket_base
{
public:
  typedef typename TYPES::tlm_payload_type                transaction_type;
  typedef typename TYPES::tlm_phase_type                  phase_type;
  typedef tlm::tlm_sync_enum                              sync_enum_type;
  typedef tlm::tlm_fw_transport_if<TYPES>                 fw_interface_type;
  typedef tlm::tlm_bw_transport_if<TYPES>                 bw_interface_type;
  typedef tlm::tlm_initiator_socket<BUSWIDTH,TYPES,1,POL> base_type;

public:
  static const char* default_name()
    { return sc_core::sc_gen_unique_name("simple_initiator_socket_tagged"); }

  explicit simple_initiator_socket_tagged_b(const char* n = default_name())
    : base_type(n)
    , m_process(this)
  {
    this->m_export.bind(m_process);
  }

  void register_nb_transport_bw(MODULE* mod,
                                sync_enum_type (MODULE::*cb)(int,
                                                             transaction_type&,
                                                             phase_type&,
                                                             sc_core::sc_time&),
                                int id)
  {
    m_process.set_transport_ptr(mod, cb);
    m_process.set_transport_user_id(id);
  }

  void register_invalidate_direct_mem_ptr(MODULE* mod,
                                          void (MODULE::*cb)(int, sc_dt::uint64, sc_dt::uint64),
                                           int id)
  {
    m_process.set_invalidate_direct_mem_ptr(mod, cb);
    m_process.set_invalidate_dmi_user_id(id);
  }

private:
  class process
    : public tlm::tlm_bw_transport_if<TYPES>
    , protected convenience_socket_cb_holder
  {
  public:
    typedef sync_enum_type (MODULE::*TransportPtr)(int,
                                                   transaction_type&,
                                                   phase_type&,
                                                   sc_core::sc_time&);
    typedef void (MODULE::*InvalidateDirectMemPtr)(int,
                                                   sc_dt::uint64,
                                                   sc_dt::uint64);

    explicit process(simple_socket_base* owner)
      : convenience_socket_cb_holder(owner), m_mod(0)
      , m_transport_ptr(0)
      , m_invalidate_direct_mem_ptr(0)
      , m_transport_user_id(0)
      , m_invalidate_direct_mem_user_id(0)
    {
    }

    void set_transport_user_id(int id) { m_transport_user_id = id; }
    void set_invalidate_dmi_user_id(int id) { m_invalidate_direct_mem_user_id = id; }

    void set_transport_ptr(MODULE* mod, TransportPtr p)
    {
      if (m_transport_ptr) {
        display_warning("non-blocking callback already registered");
        return;
      }
      sc_assert(!m_mod || m_mod == mod);
      m_mod = mod;
      m_transport_ptr = p;
    }

    void set_invalidate_direct_mem_ptr(MODULE* mod, InvalidateDirectMemPtr p)
    {
      if (m_invalidate_direct_mem_ptr) {
        display_warning("invalidate DMI callback already registered");
        return;
      }
      sc_assert(!m_mod || m_mod == mod);
      m_mod = mod;
      m_invalidate_direct_mem_ptr = p;
    }

    sync_enum_type nb_transport_bw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t)
    {
      if (m_transport_ptr) {
        // forward call
        sc_assert(m_mod);
        return (m_mod->*m_transport_ptr)(m_transport_user_id, trans, phase, t);
      }
      display_error("no transport callback registered");
      return tlm::TLM_COMPLETED;
    }

    void invalidate_direct_mem_ptr(sc_dt::uint64 start_range,
                                   sc_dt::uint64 end_range)
    {
      if (m_invalidate_direct_mem_ptr) {
        // forward call
        sc_assert(m_mod);
        (m_mod->*m_invalidate_direct_mem_ptr)(m_invalidate_direct_mem_user_id, start_range, end_range);
      }
    }

  private:
    MODULE* m_mod;
    TransportPtr m_transport_ptr;
    InvalidateDirectMemPtr m_invalidate_direct_mem_ptr;
    int m_transport_user_id;
    int m_invalidate_direct_mem_user_id;
  };

private:
  const sc_core::sc_object* get_socket() const { return this; }
private:
  process m_process;
};

template< typename MODULE, unsigned int BUSWIDTH = 32
        , typename TYPES = tlm::tlm_base_protocol_types >
class simple_initiator_socket_tagged
  : public simple_initiator_socket_tagged_b<MODULE,BUSWIDTH,TYPES>
{
  typedef simple_initiator_socket_tagged_b<MODULE,BUSWIDTH,TYPES> socket_b;
public:
  simple_initiator_socket_tagged() : socket_b() {}
  explicit simple_initiator_socket_tagged(const char* name) : socket_b(name) {}
};

template< typename MODULE, unsigned int BUSWIDTH = 32
        , typename TYPES = tlm::tlm_base_protocol_types >
class simple_initiator_socket_tagged_optional
  : public simple_initiator_socket_tagged_b<MODULE,BUSWIDTH,TYPES,sc_core::SC_ZERO_OR_MORE_BOUND>
{
  typedef simple_initiator_socket_tagged_b<MODULE,BUSWIDTH,TYPES,sc_core::SC_ZERO_OR_MORE_BOUND> socket_b;
public:
  simple_initiator_socket_tagged_optional() : socket_b() {}
  explicit simple_initiator_socket_tagged_optional(const char* name) : socket_b(name) {}
};

} // namespace tlm_utils
#endif // TLM_UTILS_SIMPLE_INITIATOR_SOCKET_H_INCLUDED_