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

1 files changed, 195 insertions, 0 deletions

diff --git a/src/cpu/testers/rubytest/RubyTester.cc b/src/cpu/testers/rubytest/RubyTester.cc
new file mode 100644
index 000000000..516d6ae40
--- /dev/null
+++ b/src/cpu/testers/rubytest/RubyTester.cc
@@ -0,0 +1,195 @@
+/*
+ * 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.
+ */
+
+#include "cpu/testers/rubytest/Check.hh"
+#include "cpu/testers/rubytest/RubyTester.hh"
+#include "mem/ruby/common/Global.hh"
+#include "mem/ruby/common/SubBlock.hh"
+#include "mem/ruby/eventqueue/RubyEventQueue.hh"
+#include "mem/ruby/system/System.hh"
+#include "sim/sim_exit.hh"
+
+RubyTester::RubyTester(const Params *p)
+  : MemObject(p), checkStartEvent(this),
+    m_checks_to_complete(p->checks_to_complete),
+    m_deadlock_threshold(p->deadlock_threshold),
+    m_wakeup_frequency(p->wakeup_frequency)
+{
+    m_checks_completed = 0;
+
+    // add the check start event to the event queue
+    schedule(checkStartEvent, 1);
+}
+
+RubyTester::~RubyTester()
+{
+    delete m_checkTable_ptr;
+    for (int i = 0; i < ports.size(); i++)
+        delete ports[i];
+}
+
+void
+RubyTester::init()
+{
+    assert(ports.size() > 0);
+
+    m_last_progress_vector.resize(ports.size());
+    for (int i = 0; i < m_last_progress_vector.size(); i++) {
+        m_last_progress_vector[i] = 0;
+    }
+
+    m_num_cpu_sequencers = ports.size();
+
+    m_checkTable_ptr = new CheckTable(m_num_cpu_sequencers, this);
+}
+
+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)
+{
+    panic("RubyTester::CpuPort::recvAtomic() not implemented!\n");
+    return 0;
+}
+
+bool
+RubyTester::CpuPort::recvTiming(PacketPtr pkt)
+{
+    // 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;
+}
+
+Port*
+RubyTester::getCpuPort(int idx)
+{
+    assert(idx >= 0 && idx < ports.size());
+
+    return ports[idx];
+}
+
+void
+RubyTester::hitCallback(NodeID proc, SubBlock* data)
+{
+    // 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");
+
+    // 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());
+    assert(check_ptr != NULL);
+    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");
+    }
+}
+
+void
+RubyTester::checkForDeadlock()
+{
+    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.");
+        }
+    }
+}
+
+void
+RubyTester::print(std::ostream& out) const
+{
+    out << "[RubyTester]" << std::endl;
+}
+
+RubyTester *
+RubyTesterParams::create()
+{
+    return new RubyTester(this);
+}