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author | Korey Sewell <ksewell@umich.edu> | 2009-05-11 19:44:34 -0400 |
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committer | Korey Sewell <ksewell@umich.edu> | 2009-05-11 19:44:34 -0400 |
commit | a63cc2ff5fbba0e42a7aa39bfce6b6e2310fd52a (patch) | |
tree | 0952c5678b449ffd8def645fec2b714c4960df9e /src/mem/ruby/network/garnet-fixed-pipeline/OutputUnit_d.cc | |
parent | eea2b02b04a3076969dd607aca739b96d94b6155 (diff) | |
parent | f21e80ec72cf68ad859f18a2886297004ea9f959 (diff) | |
download | gem5-a63cc2ff5fbba0e42a7aa39bfce6b6e2310fd52a.tar.xz |
Merge Ruby Stuff
Diffstat (limited to 'src/mem/ruby/network/garnet-fixed-pipeline/OutputUnit_d.cc')
-rw-r--r-- | src/mem/ruby/network/garnet-fixed-pipeline/OutputUnit_d.cc | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet-fixed-pipeline/OutputUnit_d.cc b/src/mem/ruby/network/garnet-fixed-pipeline/OutputUnit_d.cc new file mode 100644 index 000000000..1b8b8097b --- /dev/null +++ b/src/mem/ruby/network/garnet-fixed-pipeline/OutputUnit_d.cc @@ -0,0 +1,111 @@ +/* + * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood + * 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. + */ + +/* + * OutputUnit_d.C + * + * Niket Agarwal, Princeton University + * + * */ + +#include "mem/ruby/network/garnet-fixed-pipeline/OutputUnit_d.hh" +#include "mem/ruby/network/garnet-fixed-pipeline/Router_d.hh" +#include "mem/ruby/network/garnet-flexible-pipeline/NetworkConfig.hh" + +OutputUnit_d::OutputUnit_d(int id, Router_d *router) +{ + m_id = id; + m_router = router; + m_num_vcs = m_router->get_num_vcs(); + m_out_buffer = new flitBuffer_d(); + + for(int i = 0; i < m_num_vcs; i++) + { + m_outvc_state.insertAtBottom(new OutVcState_d(i)); + } +} + +OutputUnit_d::~OutputUnit_d() +{ + delete m_out_buffer; + m_outvc_state.deletePointers(); +} + +void OutputUnit_d::decrement_credit(int out_vc) +{ + m_outvc_state[out_vc]->decrement_credit(); + m_router->update_incredit(m_outvc_state[out_vc]->get_inport(), m_outvc_state[out_vc]->get_invc(), m_outvc_state[out_vc]->get_credit_count()); +} + +void OutputUnit_d::wakeup() +{ + if(m_credit_link->isReady()) + { + flit_d *t_flit = m_credit_link->consumeLink(); + int out_vc = t_flit->get_vc(); + m_outvc_state[out_vc]->increment_credit(); + m_router->update_incredit(m_outvc_state[out_vc]->get_inport(), m_outvc_state[out_vc]->get_invc(), m_outvc_state[out_vc]->get_credit_count()); + + if(t_flit->is_free_signal()) + set_vc_state(IDLE_, out_vc); + + delete t_flit; + } +} + +flitBuffer_d* OutputUnit_d::getOutQueue() +{ + return m_out_buffer; +} + +void OutputUnit_d::set_out_link(NetworkLink_d *link) +{ + m_out_link = link; +} + +void OutputUnit_d::set_credit_link(CreditLink_d *credit_link) +{ + m_credit_link = credit_link; +} + +void OutputUnit_d::update_vc(int vc, int in_port, int in_vc) +{ + m_outvc_state[vc]->setState(ACTIVE_, g_eventQueue_ptr->getTime() + 1); + m_outvc_state[vc]->set_inport(in_port); + m_outvc_state[vc]->set_invc(in_vc); + m_router->update_incredit(in_port, in_vc, m_outvc_state[vc]->get_credit_count()); +} + +void OutputUnit_d::printConfig(ostream& out) +{ + out << endl; + out << "OutputUnit Configuration" << endl; + out << "---------------------" << endl; + out << "id = " << m_id << endl; + out << "Out link is " << m_out_link->get_id() << endl; +} |