60e4ad955d
Encapsulate all ruby-related files in a ruby namespace. Change-Id: If642c9751ecefc35b45c5dd69d85e67813cc5224 Issued-on: https://gem5.atlassian.net/browse/GEM5-984 Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47307 Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> Tested-by: kokoro <noreply+kokoro@google.com>
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/*
|
|
* Copyright (c) 2020 Inria
|
|
* Copyright (c) 2016 Georgia Institute of Technology
|
|
* 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.
|
|
*/
|
|
|
|
|
|
#ifndef __MEM_RUBY_NETWORK_GARNET_0_OUTPUTUNIT_HH__
|
|
#define __MEM_RUBY_NETWORK_GARNET_0_OUTPUTUNIT_HH__
|
|
|
|
#include <iostream>
|
|
#include <vector>
|
|
|
|
#include "base/compiler.hh"
|
|
#include "mem/ruby/common/Consumer.hh"
|
|
#include "mem/ruby/network/garnet/CommonTypes.hh"
|
|
#include "mem/ruby/network/garnet/NetworkLink.hh"
|
|
#include "mem/ruby/network/garnet/OutVcState.hh"
|
|
|
|
namespace gem5
|
|
{
|
|
|
|
namespace ruby
|
|
{
|
|
|
|
namespace garnet
|
|
{
|
|
|
|
class CreditLink;
|
|
class Router;
|
|
|
|
class OutputUnit : public Consumer
|
|
{
|
|
public:
|
|
OutputUnit(int id, PortDirection direction, Router *router,
|
|
uint32_t consumerVcs);
|
|
~OutputUnit() = default;
|
|
void set_out_link(NetworkLink *link);
|
|
void set_credit_link(CreditLink *credit_link);
|
|
void wakeup();
|
|
flitBuffer* getOutQueue();
|
|
void print(std::ostream& out) const {};
|
|
void decrement_credit(int out_vc);
|
|
void increment_credit(int out_vc);
|
|
bool has_credit(int out_vc);
|
|
bool has_free_vc(int vnet);
|
|
int select_free_vc(int vnet);
|
|
|
|
inline PortDirection get_direction() { return m_direction; }
|
|
|
|
int
|
|
get_credit_count(int vc)
|
|
{
|
|
return outVcState[vc].get_credit_count();
|
|
}
|
|
|
|
inline int
|
|
get_outlink_id()
|
|
{
|
|
return m_out_link->get_id();
|
|
}
|
|
|
|
inline void
|
|
set_vc_state(VC_state_type state, int vc, Tick curTime)
|
|
{
|
|
outVcState[vc].setState(state, curTime);
|
|
}
|
|
|
|
inline bool
|
|
is_vc_idle(int vc, Tick curTime)
|
|
{
|
|
return (outVcState[vc].isInState(IDLE_, curTime));
|
|
}
|
|
|
|
void insert_flit(flit *t_flit);
|
|
|
|
inline int
|
|
getVcsPerVnet()
|
|
{
|
|
return m_vc_per_vnet;
|
|
}
|
|
|
|
uint32_t functionalWrite(Packet *pkt);
|
|
|
|
private:
|
|
Router *m_router;
|
|
GEM5_CLASS_VAR_USED int m_id;
|
|
PortDirection m_direction;
|
|
int m_vc_per_vnet;
|
|
NetworkLink *m_out_link;
|
|
CreditLink *m_credit_link;
|
|
|
|
// This is for the network link to consume
|
|
flitBuffer outBuffer;
|
|
// vc state of downstream router
|
|
std::vector<OutVcState> outVcState;
|
|
};
|
|
|
|
} // namespace garnet
|
|
} // namespace ruby
|
|
} // namespace gem5
|
|
|
|
#endif // __MEM_RUBY_NETWORK_GARNET_0_OUTPUTUNIT_HH__
|