From 7f49fe9feb174d34efc2a011bad79b38522a360b Mon Sep 17 00:00:00 2001
From: Dongdong Li <qqlddg@gmail.com>
Date: Thu, 8 Aug 2013 00:15:58 -0800
Subject: Intesim2 Integration Details: See Review 80001
 https://gpgpu-sim-code-review.appspot.com/80001/

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 16747]
---
 src/intersim2/flit.cpp | 107 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 src/intersim2/flit.cpp

(limited to 'src/intersim2/flit.cpp')

diff --git a/src/intersim2/flit.cpp b/src/intersim2/flit.cpp
new file mode 100644
index 0000000..8e0c66f
--- /dev/null
+++ b/src/intersim2/flit.cpp
@@ -0,0 +1,107 @@
+// $Id: flit.cpp 5188 2012-08-30 00:31:31Z dub $
+
+/*
+ Copyright (c) 2007-2012, Trustees of The Leland Stanford Junior 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.
+
+ 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.
+*/
+
+/*flit.cpp
+ *
+ *flit struct is a flit, carries all the control signals that a flit needs
+ *Add additional signals as necessary. Flits has no concept of length
+ *it is a singluar object.
+ *
+ *When adding objects make sure to set a default value in this constructor
+ */
+
+#include "booksim.hpp"
+#include "flit.hpp"
+
+stack<Flit *> Flit::_all;
+stack<Flit *> Flit::_free;
+
+ostream& operator<<( ostream& os, const Flit& f )
+{
+  os << "  Flit ID: " << f.id << " (" << &f << ")" 
+     << " Packet ID: " << f.pid
+     << " Type: " << f.type 
+     << " Head: " << f.head
+     << " Tail: " << f.tail << endl;
+  os << "  Source: " << f.src << "  Dest: " << f.dest << " Intm: "<<f.intm<<endl;
+  os << "  Creation time: " << f.ctime << " Injection time: " << f.itime << " Arrival time: " << f.atime << " Phase: "<<f.ph<< endl;
+  os << "  VC: " << f.vc << endl;
+  return os;
+}
+
+Flit::Flit() 
+{  
+  Reset();
+}  
+
+void Flit::Reset() 
+{  
+  type      = ANY_TYPE ;
+  vc        = -1 ;
+  cl        = -1 ;
+  head      = false ;
+  tail      = false ;
+  ctime     = -1 ;
+  itime     = -1 ;
+  atime     = -1 ;
+  id        = -1 ;
+  pid       = -1 ;
+  hops      = 0 ;
+  watch     = false ;
+  record    = false ;
+  intm = 0;
+  src = -1;
+  dest = -1;
+  pri = 0;
+  intm =-1;
+  ph = -1;
+  data = 0;
+}  
+
+Flit * Flit::New() {
+  Flit * f;
+  if(_free.empty()) {
+    f = new Flit;
+    _all.push(f);
+  } else {
+    f = _free.top();
+    f->Reset();
+    _free.pop();
+  }
+  return f;
+}
+
+void Flit::Free() {
+  _free.push(this);
+}
+
+void Flit::FreeAll() {
+  while(!_all.empty()) {
+    delete _all.top();
+    _all.pop();
+  }
+}
-- 
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