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/*
* Copyright (c) 2008 Princeton University
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Niket Agarwal
*/
#ifndef __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_FLIT_D_HH__
#define __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_FLIT_D_HH__
#include <cassert>
#include <iostream>
#include "base/types.hh"
#include "mem/ruby/network/garnet/NetworkHeader.hh"
#include "mem/ruby/slicc_interface/Message.hh"
class flit_d
{
public:
flit_d(int id, int vc, int vnet, int size, MsgPtr msg_ptr, Cycles curTime);
flit_d(int vc, bool is_free_signal, Cycles curTime);
void set_outport(int port) { m_outport = port; }
int get_outport() {return m_outport; }
void print(std::ostream& out) const;
bool is_free_signal() { return m_is_free_signal; }
int get_size() { return m_size; }
Cycles get_enqueue_time() { return m_enqueue_time; }
int get_id() { return m_id; }
Cycles get_time() { return m_time; }
void set_time(Cycles time) { m_time = time; }
int get_vnet() { return m_vnet; }
int get_vc() { return m_vc; }
void set_vc(int vc) { m_vc = vc; }
MsgPtr& get_msg_ptr() { return m_msg_ptr; }
flit_type get_type() { return m_type; }
bool
is_stage(flit_stage t_stage, Cycles curTime)
{
return (m_stage.first == t_stage &&
curTime >= m_stage.second);
}
bool
is_next_stage(flit_stage t_stage, Cycles curTime)
{
return (m_stage.first == t_stage &&
(curTime + 1) >= m_stage.second);
}
void
advance_stage(flit_stage t_stage, Cycles curTime)
{
m_stage.first = t_stage;
m_stage.second = curTime + Cycles(1);
}
std::pair<flit_stage, Cycles>
get_stage()
{
return m_stage;
}
void set_delay(Cycles delay) { src_delay = delay; }
Cycles get_delay() { return src_delay; }
static bool
greater(flit_d* n1, flit_d* n2)
{
if (n1->get_time() == n2->get_time()) {
//assert(n1->flit_id != n2->flit_id);
return (n1->get_id() > n2->get_id());
} else {
return (n1->get_time() > n2->get_time());
}
}
private:
int m_id;
int m_vnet;
int m_vc;
int m_size;
bool m_is_free_signal;
Cycles m_enqueue_time, m_time;
flit_type m_type;
MsgPtr m_msg_ptr;
int m_outport;
Cycles src_delay;
std::pair<flit_stage, Cycles> m_stage;
};
inline std::ostream&
operator<<(std::ostream& out, const flit_d& obj)
{
obj.print(out);
out << std::flush;
return out;
}
#endif // __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_FLIT_D_HH__
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