gem5/src/cpu/testers/rubytest/RubyTester.cc

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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* Copyright (c) 2009 Advanced Micro Devices, Inc.
* 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.
*/
testers: move testers to a new directory This patch moves the testers to a new subdirectory under src/cpu and includes the necessary fixes to work with latest m5 initialization patches. --HG-- rename : configs/example/determ_test.py => configs/example/ruby_direct_test.py rename : src/cpu/directedtest/DirectedGenerator.cc => src/cpu/testers/directedtest/DirectedGenerator.cc rename : src/cpu/directedtest/DirectedGenerator.hh => src/cpu/testers/directedtest/DirectedGenerator.hh rename : src/cpu/directedtest/InvalidateGenerator.cc => src/cpu/testers/directedtest/InvalidateGenerator.cc rename : src/cpu/directedtest/InvalidateGenerator.hh => src/cpu/testers/directedtest/InvalidateGenerator.hh rename : src/cpu/directedtest/RubyDirectedTester.cc => src/cpu/testers/directedtest/RubyDirectedTester.cc rename : src/cpu/directedtest/RubyDirectedTester.hh => src/cpu/testers/directedtest/RubyDirectedTester.hh rename : src/cpu/directedtest/RubyDirectedTester.py => src/cpu/testers/directedtest/RubyDirectedTester.py rename : src/cpu/directedtest/SConscript => src/cpu/testers/directedtest/SConscript rename : src/cpu/directedtest/SeriesRequestGenerator.cc => src/cpu/testers/directedtest/SeriesRequestGenerator.cc rename : src/cpu/directedtest/SeriesRequestGenerator.hh => src/cpu/testers/directedtest/SeriesRequestGenerator.hh rename : src/cpu/memtest/MemTest.py => src/cpu/testers/memtest/MemTest.py rename : src/cpu/memtest/SConscript => src/cpu/testers/memtest/SConscript rename : src/cpu/memtest/memtest.cc => src/cpu/testers/memtest/memtest.cc rename : src/cpu/memtest/memtest.hh => src/cpu/testers/memtest/memtest.hh rename : src/cpu/rubytest/Check.cc => src/cpu/testers/rubytest/Check.cc rename : src/cpu/rubytest/Check.hh => src/cpu/testers/rubytest/Check.hh rename : src/cpu/rubytest/CheckTable.cc => src/cpu/testers/rubytest/CheckTable.cc rename : src/cpu/rubytest/CheckTable.hh => src/cpu/testers/rubytest/CheckTable.hh rename : src/cpu/rubytest/RubyTester.cc => src/cpu/testers/rubytest/RubyTester.cc rename : src/cpu/rubytest/RubyTester.hh => src/cpu/testers/rubytest/RubyTester.hh rename : src/cpu/rubytest/RubyTester.py => src/cpu/testers/rubytest/RubyTester.py rename : src/cpu/rubytest/SConscript => src/cpu/testers/rubytest/SConscript
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#include "cpu/testers/rubytest/Check.hh"
#include "cpu/testers/rubytest/RubyTester.hh"
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#include "mem/ruby/common/Global.hh"
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#include "mem/ruby/common/SubBlock.hh"
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#include "mem/ruby/eventqueue/RubyEventQueue.hh"
#include "mem/ruby/system/System.hh"
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#include "sim/sim_exit.hh"
RubyTester::RubyTester(const Params *p)
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: MemObject(p), checkStartEvent(this),
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m_checks_to_complete(p->checks_to_complete),
m_deadlock_threshold(p->deadlock_threshold),
m_wakeup_frequency(p->wakeup_frequency)
{
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m_checks_completed = 0;
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// add the check start event to the event queue
schedule(checkStartEvent, 1);
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}
RubyTester::~RubyTester()
{
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delete m_checkTable_ptr;
for (int i = 0; i < ports.size(); i++)
delete ports[i];
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}
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void
RubyTester::init()
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{
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assert(ports.size() > 0);
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m_last_progress_vector.resize(ports.size());
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for (int i = 0; i < m_last_progress_vector.size(); i++) {
m_last_progress_vector[i] = 0;
}
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m_num_cpu_sequencers = ports.size();
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m_checkTable_ptr = new CheckTable(m_num_cpu_sequencers, this);
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}
Port *
RubyTester::getPort(const std::string &if_name, int idx)
{
if (if_name != "cpuPort") {
panic("RubyTester::getPort: unknown port %s requested", if_name);
}
if (idx >= (int)ports.size()) {
ports.resize(idx + 1);
}
if (ports[idx] != NULL) {
panic("RubyTester::getPort: port %d already assigned", idx);
}
CpuPort *port = new CpuPort(csprintf("%s-port%d", name(), idx), this, idx);
ports[idx] = port;
return port;
}
Tick
RubyTester::CpuPort::recvAtomic(PacketPtr pkt)
{
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panic("RubyTester::CpuPort::recvAtomic() not implemented!\n");
return 0;
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}
bool
RubyTester::CpuPort::recvTiming(PacketPtr pkt)
{
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// retrieve the subblock and call hitCallback
RubyTester::SenderState* senderState =
safe_cast<RubyTester::SenderState*>(pkt->senderState);
SubBlock* subblock = senderState->subBlock;
assert(subblock != NULL);
// pop the sender state from the packet
pkt->senderState = senderState->saved;
tester->hitCallback(idx, subblock);
// Now that the tester has completed, delete the senderState
// (includes sublock) and the packet, then return
delete senderState;
delete pkt->req;
delete pkt;
return true;
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}
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Port*
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RubyTester::getCpuPort(int idx)
{
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assert(idx >= 0 && idx < ports.size());
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return ports[idx];
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}
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void
RubyTester::hitCallback(NodeID proc, SubBlock* data)
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{
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// Mark that we made progress
m_last_progress_vector[proc] = g_eventQueue_ptr->getTime();
DPRINTF(RubyTest, "completed request for proc: %d\n", proc);
DPRINTF(RubyTest, "addr: 0x%x, size: %d, data: ",
data->getAddress(), data->getSize());
for (int byte = 0; byte < data->getSize(); byte++) {
DPRINTF(RubyTest, "%d", data->getByte(byte));
}
DPRINTF(RubyTest, "\n");
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// This tells us our store has 'completed' or for a load gives us
// back the data to make the check
Check* check_ptr = m_checkTable_ptr->getCheck(data->getAddress());
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assert(check_ptr != NULL);
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check_ptr->performCallback(proc, data);
}
void
RubyTester::wakeup()
{
if (m_checks_completed < m_checks_to_complete) {
// Try to perform an action or check
Check* check_ptr = m_checkTable_ptr->getRandomCheck();
assert(check_ptr != NULL);
check_ptr->initiate();
checkForDeadlock();
schedule(checkStartEvent, curTick + m_wakeup_frequency);
} else {
exitSimLoop("Ruby Tester completed");
}
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}
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void
RubyTester::checkForDeadlock()
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{
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int size = m_last_progress_vector.size();
Time current_time = g_eventQueue_ptr->getTime();
for (int processor = 0; processor < size; processor++) {
if ((current_time - m_last_progress_vector[processor]) >
m_deadlock_threshold) {
WARN_EXPR(current_time);
WARN_EXPR(m_last_progress_vector[processor]);
WARN_EXPR(current_time - m_last_progress_vector[processor]);
WARN_EXPR(processor);
ERROR_MSG("Deadlock detected.");
}
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}
}
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void
RubyTester::print(std::ostream& out) const
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{
out << "[RubyTester]" << std::endl;
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}
RubyTester *
RubyTesterParams::create()
{
return new RubyTester(this);
}