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/*
* 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.
*/
#include "mem/protocol/RubyRequest.hh"
#include "mem/ruby/recorder/TraceRecord.hh"
#include "mem/ruby/system/Sequencer.hh"
#include "mem/ruby/system/System.hh"
#include "sim/sim_object.hh"
using namespace std;
TraceRecord::TraceRecord(Sequencer* _sequencer, const Address& data_addr,
const Address& pc_addr, RubyRequestType type, Time time)
{
m_sequencer_ptr = _sequencer;
m_data_address = data_addr;
m_pc_address = pc_addr;
m_time = time;
m_type = type;
// Don't differentiate between store misses and atomic requests in
// the trace
if (m_type == RubyRequestType_Load_Linked) {
m_type = RubyRequestType_ST;
} else if (m_type == RubyRequestType_Store_Conditional) {
m_type = RubyRequestType_ST;
}
}
TraceRecord::TraceRecord(const TraceRecord& obj)
{
// Call assignment operator
*this = obj;
}
TraceRecord&
TraceRecord::operator=(const TraceRecord& obj)
{
m_sequencer_ptr = obj.m_sequencer_ptr;
m_time = obj.m_time;
m_data_address = obj.m_data_address;
m_pc_address = obj.m_pc_address;
m_type = obj.m_type;
return *this;
}
void
TraceRecord::issueRequest() const
{
assert(m_sequencer_ptr != NULL);
RubyRequest request(m_data_address.getAddress(), NULL,
RubySystem::getBlockSizeBytes(), m_pc_address.getAddress(),
m_type, RubyAccessMode_User, NULL);
// Clear out the sequencer
while (!m_sequencer_ptr->empty()) {
g_eventQueue_ptr->triggerEvents(g_eventQueue_ptr->getTime() + 100);
}
m_sequencer_ptr->makeRequest(request);
// Clear out the sequencer
while (!m_sequencer_ptr->empty()) {
g_eventQueue_ptr->triggerEvents(g_eventQueue_ptr->getTime() + 100);
}
}
void
TraceRecord::print(ostream& out) const
{
out << "[TraceRecord: Node, " << m_sequencer_ptr->name() << ", "
<< m_data_address << ", " << m_pc_address << ", "
<< m_type << ", Time: " << m_time << "]";
}
void
TraceRecord::output(ostream& out) const
{
out << m_sequencer_ptr->name() << " ";
m_data_address.output(out);
out << " ";
m_pc_address.output(out);
out << " ";
out << m_type;
out << endl;
}
bool
TraceRecord::input(istream& in)
{
string sequencer_name;
in >> sequencer_name;
// The SimObject find function is slow and iterates through the
// simObjectList to find the sequencer pointer. Therefore, expect
// trace playback to be slow.
m_sequencer_ptr = (Sequencer*)SimObject::find(sequencer_name.c_str());
m_data_address.input(in);
m_pc_address.input(in);
if (in.eof())
return false;
string type;
in >> type;
m_type = string_to_RubyRequestType(type);
// Ignore the rest of the line
char c = '\0';
while ((!in.eof()) && (c != '\n')) {
in.get(c);
}
return true;
}
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