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Diffstat (limited to 'src/mem/ruby/network/MessageBufferNode.hh')
-rw-r--r-- | src/mem/ruby/network/MessageBufferNode.hh | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/mem/ruby/network/MessageBufferNode.hh b/src/mem/ruby/network/MessageBufferNode.hh new file mode 100644 index 000000000..16aec8a1b --- /dev/null +++ b/src/mem/ruby/network/MessageBufferNode.hh @@ -0,0 +1,75 @@ +/* + * 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. + */ + +#ifndef __MEM_RUBY_BUFFERS_MESSAGEBUFFERNODE_HH__ +#define __MEM_RUBY_BUFFERS_MESSAGEBUFFERNODE_HH__ + +#include <iostream> + +#include "mem/ruby/slicc_interface/Message.hh" + +class MessageBufferNode +{ + public: + MessageBufferNode() + : m_time(0), m_msg_counter(0) + {} + + MessageBufferNode(const Tick time, uint64_t counter, + const MsgPtr& msgptr) + : m_time(time), m_msg_counter(counter), m_msgptr(msgptr) + {} + + void print(std::ostream& out) const; + + public: + Tick m_time; + uint64_t m_msg_counter; // FIXME, should this be a 64-bit value? + MsgPtr m_msgptr; +}; + +inline bool +operator>(const MessageBufferNode& n1, const MessageBufferNode& n2) +{ + if (n1.m_time == n2.m_time) { + assert(n1.m_msg_counter != n2.m_msg_counter); + return n1.m_msg_counter > n2.m_msg_counter; + } else { + return n1.m_time > n2.m_time; + } +} + +inline std::ostream& +operator<<(std::ostream& out, const MessageBufferNode& obj) +{ + obj.print(out); + out << std::flush; + return out; +} + +#endif // __MEM_RUBY_BUFFERS_MESSAGEBUFFERNODE_HH__ |