1 files changed, 136 insertions, 0 deletions
diff --git a/src/cpu/testers/directedtest/RubyDirectedTester.cc b/src/cpu/testers/directedtest/RubyDirectedTester.cc
new file mode 100644
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+++ b/src/cpu/testers/directedtest/RubyDirectedTester.cc
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+/*
+ * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+ * Copyright (c) 2009-2010 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/directedtest/DirectedGenerator.hh"
+#include "cpu/testers/directedtest/RubyDirectedTester.hh"
+#include "mem/ruby/eventqueue/RubyEventQueue.hh"
+#include "sim/sim_exit.hh"
+
+RubyDirectedTester::RubyDirectedTester(const Params *p)
+  : MemObject(p), directedStartEvent(this),
+    m_requests_to_complete(p->requests_to_complete),
+    generator(p->generator)
+{
+    m_requests_completed = 0;
+
+    // add the check start event to the event queue
+    schedule(directedStartEvent, 1);
+}
+
+RubyDirectedTester::~RubyDirectedTester()
+{
+    for (int i = 0; i < ports.size(); i++)
+        delete ports[i];
+}
+
+void
+RubyDirectedTester::init()
+{
+    assert(ports.size() > 0);
+    generator->setDirectedTester(this);
+}
+
+Port *
+RubyDirectedTester::getPort(const std::string &if_name, int idx)
+{
+    if (if_name != "cpuPort") {
+        panic("RubyDirectedTester::getPort: unknown port %s requested", if_name);
+    }
+
+    if (idx >= (int)ports.size()) {
+        ports.resize(idx + 1);
+    }
+
+    if (ports[idx] != NULL) {
+        panic("RubyDirectedTester::getPort: port %d already assigned", idx);
+    }
+
+    CpuPort *port = new CpuPort(csprintf("%s-port%d", name(), idx), this, idx);
+
+    ports[idx] = port;
+    return port;
+}
+
+Tick
+RubyDirectedTester::CpuPort::recvAtomic(PacketPtr pkt)
+{
+    panic("RubyDirectedTester::CpuPort::recvAtomic() not implemented!\n");
+    return 0;
+}
+
+bool
+RubyDirectedTester::CpuPort::recvTiming(PacketPtr pkt)
+{
+    tester->hitCallback(idx, pkt->getAddr());
+    
+    //
+    // Now that the tester has completed, delete the packet, then return
+    //
+    delete pkt->req;
+    delete pkt;
+    return true;
+}
+
+Port*
+RubyDirectedTester::getCpuPort(int idx)
+{
+    assert(idx >= 0 && idx < ports.size());
+
+    return ports[idx];
+}
+
+void
+RubyDirectedTester::hitCallback(NodeID proc, Addr addr)
+{
+    DPRINTF(DirectedTest,
+            "completed request for proc: %d addr: 0x%x\n",
+            proc,
+            addr);
+
+    generator->performCallback(proc, addr);    
+    schedule(directedStartEvent, curTick);
+}
+
+void
+RubyDirectedTester::wakeup()
+{
+    if (m_requests_completed < m_requests_to_complete) {
+        if (!generator->initiate()) {
+            schedule(directedStartEvent, curTick + 1);
+        }
+    } else {
+        exitSimLoop("Ruby DirectedTester completed");
+    }
+}
+
+RubyDirectedTester *
+RubyDirectedTesterParams::create()
+{
+    return new RubyDirectedTester(this);
+}