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-rw-r--r--src/cpu/testers/rubytest/Check.cc356
-rw-r--r--src/cpu/testers/rubytest/Check.hh89
-rw-r--r--src/cpu/testers/rubytest/CheckTable.cc130
-rw-r--r--src/cpu/testers/rubytest/CheckTable.hh81
-rw-r--r--src/cpu/testers/rubytest/RubyTester.cc195
-rw-r--r--src/cpu/testers/rubytest/RubyTester.hh148
-rw-r--r--src/cpu/testers/rubytest/RubyTester.py38
-rw-r--r--src/cpu/testers/rubytest/SConscript47
8 files changed, 1084 insertions, 0 deletions
diff --git a/src/cpu/testers/rubytest/Check.cc b/src/cpu/testers/rubytest/Check.cc
new file mode 100644
index 000000000..9ace655a8
--- /dev/null
+++ b/src/cpu/testers/rubytest/Check.cc
@@ -0,0 +1,356 @@
+/*
+ * 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 "mem/ruby/common/SubBlock.hh"
+#include "mem/ruby/system/Sequencer.hh"
+#include "mem/ruby/system/System.hh"
+
+typedef RubyTester::SenderState SenderState;
+
+Check::Check(const Address& address, const Address& pc,
+ int _num_cpu_sequencers, RubyTester* _tester)
+ : m_num_cpu_sequencers(_num_cpu_sequencers), m_tester_ptr(_tester)
+{
+ m_status = TesterStatus_Idle;
+
+ pickValue();
+ pickInitiatingNode();
+ changeAddress(address);
+ m_pc = pc;
+ m_access_mode = AccessModeType(random() % AccessModeType_NUM);
+ m_store_count = 0;
+}
+
+void
+Check::initiate()
+{
+ DPRINTF(RubyTest, "initiating\n");
+ debugPrint();
+
+ // currently no protocols support prefetches
+ if (false && (random() & 0xf) == 0) {
+ initiatePrefetch(); // Prefetch from random processor
+ }
+
+ if (m_status == TesterStatus_Idle) {
+ initiateAction();
+ } else if (m_status == TesterStatus_Ready) {
+ initiateCheck();
+ } else {
+ // Pending - do nothing
+ DPRINTF(RubyTest,
+ "initiating action/check - failed: action/check is pending\n");
+ }
+}
+
+void
+Check::initiatePrefetch()
+{
+ DPRINTF(RubyTest, "initiating prefetch\n");
+
+ int index = random() % m_num_cpu_sequencers;
+ RubyTester::CpuPort* port =
+ safe_cast<RubyTester::CpuPort*>(m_tester_ptr->getCpuPort(index));
+
+ Request::Flags flags;
+ flags.set(Request::PREFETCH);
+
+ Packet::Command cmd;
+
+ // 1 in 8 chance this will be an exclusive prefetch
+ if ((random() & 0x7) != 0) {
+ cmd = MemCmd::ReadReq;
+
+ // 50% chance that the request will be an instruction fetch
+ if ((random() & 0x1) == 0) {
+ flags.set(Request::INST_FETCH);
+ }
+ } else {
+ cmd = MemCmd::WriteReq;
+ flags.set(Request::PF_EXCLUSIVE);
+ }
+
+ // Prefetches are assumed to be 0 sized
+ Request *req = new Request(m_address.getAddress(), 0, flags, curTick,
+ m_pc.getAddress());
+
+ PacketPtr pkt = new Packet(req, cmd, port->idx);
+
+ // push the subblock onto the sender state. The sequencer will
+ // update the subblock on the return
+ pkt->senderState =
+ new SenderState(m_address, req->getSize(), pkt->senderState);
+
+ if (port->sendTiming(pkt)) {
+ DPRINTF(RubyTest, "successfully initiated prefetch.\n");
+ } else {
+ // If the packet did not issue, must delete
+ SenderState* senderState = safe_cast<SenderState*>(pkt->senderState);
+ pkt->senderState = senderState->saved;
+ delete senderState;
+ delete pkt->req;
+ delete pkt;
+
+ DPRINTF(RubyTest,
+ "prefetch initiation failed because Port was busy.\n");
+ }
+}
+
+void
+Check::initiateAction()
+{
+ DPRINTF(RubyTest, "initiating Action\n");
+ assert(m_status == TesterStatus_Idle);
+
+ int index = random() % m_num_cpu_sequencers;
+ RubyTester::CpuPort* port =
+ safe_cast<RubyTester::CpuPort*>(m_tester_ptr->getCpuPort(index));
+
+ Request::Flags flags;
+
+ // Create the particular address for the next byte to be written
+ Address writeAddr(m_address.getAddress() + m_store_count);
+
+ // Stores are assumed to be 1 byte-sized
+ Request *req = new Request(writeAddr.getAddress(), 1, flags, curTick,
+ m_pc.getAddress());
+
+ Packet::Command cmd;
+
+ // 1 out of 8 chance, issue an atomic rather than a write
+ // if ((random() & 0x7) == 0) {
+ // cmd = MemCmd::SwapReq;
+ // } else {
+ cmd = MemCmd::WriteReq;
+ // }
+
+ PacketPtr pkt = new Packet(req, cmd, port->idx);
+ uint8_t* writeData = new uint8_t;
+ *writeData = m_value + m_store_count;
+ pkt->dataDynamic(writeData);
+
+ DPRINTF(RubyTest, "data 0x%x check 0x%x\n",
+ *(pkt->getPtr<uint8_t>()), *writeData);
+
+ // push the subblock onto the sender state. The sequencer will
+ // update the subblock on the return
+ pkt->senderState =
+ new SenderState(writeAddr, req->getSize(), pkt->senderState);
+
+ if (port->sendTiming(pkt)) {
+ DPRINTF(RubyTest, "initiating action - successful\n");
+ DPRINTF(RubyTest, "status before action update: %s\n",
+ (TesterStatus_to_string(m_status)).c_str());
+ m_status = TesterStatus_Action_Pending;
+ } else {
+ // If the packet did not issue, must delete
+ // Note: No need to delete the data, the packet destructor
+ // will delete it
+ SenderState* senderState = safe_cast<SenderState*>(pkt->senderState);
+ pkt->senderState = senderState->saved;
+ delete senderState;
+ delete pkt->req;
+ delete pkt;
+
+ DPRINTF(RubyTest, "failed to initiate action - sequencer not ready\n");
+ }
+
+ DPRINTF(RubyTest, "status after action update: %s\n",
+ (TesterStatus_to_string(m_status)).c_str());
+}
+
+void
+Check::initiateCheck()
+{
+ DPRINTF(RubyTest, "Initiating Check\n");
+ assert(m_status == TesterStatus_Ready);
+
+ int index = random() % m_num_cpu_sequencers;
+ RubyTester::CpuPort* port =
+ safe_cast<RubyTester::CpuPort*>(m_tester_ptr->getCpuPort(index));
+
+ Request::Flags flags;
+
+ // 50% chance that the request will be an instruction fetch
+ if ((random() & 0x1) == 0) {
+ flags.set(Request::INST_FETCH);
+ }
+
+ // Checks are sized depending on the number of bytes written
+ Request *req = new Request(m_address.getAddress(), CHECK_SIZE, flags,
+ curTick, m_pc.getAddress());
+
+ PacketPtr pkt = new Packet(req, MemCmd::ReadReq, port->idx);
+ uint8_t* dataArray = new uint8_t[CHECK_SIZE];
+ pkt->dataDynamicArray(dataArray);
+
+ // push the subblock onto the sender state. The sequencer will
+ // update the subblock on the return
+ pkt->senderState =
+ new SenderState(m_address, req->getSize(), pkt->senderState);
+
+ if (port->sendTiming(pkt)) {
+ DPRINTF(RubyTest, "initiating check - successful\n");
+ DPRINTF(RubyTest, "status before check update: %s\n",
+ TesterStatus_to_string(m_status).c_str());
+ m_status = TesterStatus_Check_Pending;
+ } else {
+ // If the packet did not issue, must delete
+ // Note: No need to delete the data, the packet destructor
+ // will delete it
+ SenderState* senderState = safe_cast<SenderState*>(pkt->senderState);
+ pkt->senderState = senderState->saved;
+ delete senderState;
+ delete pkt->req;
+ delete pkt;
+
+ DPRINTF(RubyTest, "failed to initiate check - cpu port not ready\n");
+ }
+
+ DPRINTF(RubyTest, "status after check update: %s\n",
+ TesterStatus_to_string(m_status).c_str());
+}
+
+void
+Check::performCallback(NodeID proc, SubBlock* data)
+{
+ Address address = data->getAddress();
+
+ // This isn't exactly right since we now have multi-byte checks
+ // assert(getAddress() == address);
+
+ assert(getAddress().getLineAddress() == address.getLineAddress());
+ assert(data != NULL);
+
+ DPRINTF(RubyTest, "RubyTester Callback\n");
+ debugPrint();
+
+ if (m_status == TesterStatus_Action_Pending) {
+ DPRINTF(RubyTest, "Action callback write value: %d, currently %d\n",
+ (m_value + m_store_count), data->getByte(0));
+ // Perform store one byte at a time
+ data->setByte(0, (m_value + m_store_count));
+ m_store_count++;
+ if (m_store_count == CHECK_SIZE) {
+ m_status = TesterStatus_Ready;
+ } else {
+ m_status = TesterStatus_Idle;
+ }
+ DPRINTF(RubyTest, "Action callback return data now %d\n",
+ data->getByte(0));
+ } else if (m_status == TesterStatus_Check_Pending) {
+ DPRINTF(RubyTest, "Check callback\n");
+ // Perform load/check
+ for (int byte_number=0; byte_number<CHECK_SIZE; byte_number++) {
+ if (uint8(m_value + byte_number) != data->getByte(byte_number)) {
+ WARN_EXPR(proc);
+ WARN_EXPR(address);
+ WARN_EXPR(data);
+ WARN_EXPR(byte_number);
+ WARN_EXPR((int)m_value + byte_number);
+ WARN_EXPR((int)data->getByte(byte_number));
+ WARN_EXPR(*this);
+ WARN_EXPR(g_eventQueue_ptr->getTime());
+ ERROR_MSG("Action/check failure");
+ }
+ }
+ DPRINTF(RubyTest, "Action/check success\n");
+ debugPrint();
+
+ // successful check complete, increment complete
+ m_tester_ptr->incrementCheckCompletions();
+
+ m_status = TesterStatus_Idle;
+ pickValue();
+
+ } else {
+ WARN_EXPR(*this);
+ WARN_EXPR(proc);
+ WARN_EXPR(data);
+ WARN_EXPR(m_status);
+ WARN_EXPR(g_eventQueue_ptr->getTime());
+ ERROR_MSG("Unexpected TesterStatus");
+ }
+
+ DPRINTF(RubyTest, "proc: %d, Address: 0x%x\n", proc,
+ getAddress().getLineAddress());
+ DPRINTF(RubyTest, "Callback done\n");
+ debugPrint();
+}
+
+void
+Check::changeAddress(const Address& address)
+{
+ assert(m_status == TesterStatus_Idle || m_status == TesterStatus_Ready);
+ m_status = TesterStatus_Idle;
+ m_address = address;
+ m_store_count = 0;
+}
+
+void
+Check::pickValue()
+{
+ assert(m_status == TesterStatus_Idle);
+ m_status = TesterStatus_Idle;
+ m_value = random() & 0xff; // One byte
+ m_store_count = 0;
+}
+
+void
+Check::pickInitiatingNode()
+{
+ assert(m_status == TesterStatus_Idle || m_status == TesterStatus_Ready);
+ m_status = TesterStatus_Idle;
+ m_initiatingNode = (random() % m_num_cpu_sequencers);
+ DPRINTF(RubyTest, "picked initiating node %d\n", m_initiatingNode);
+ m_store_count = 0;
+}
+
+void
+Check::print(std::ostream& out) const
+{
+ out << "["
+ << m_address << ", value: "
+ << (int)m_value << ", status: "
+ << m_status << ", initiating node: "
+ << m_initiatingNode << ", store_count: "
+ << m_store_count
+ << "]" << std::flush;
+}
+
+void
+Check::debugPrint()
+{
+ DPRINTF(RubyTest,
+ "[%#x, value: %d, status: %s, initiating node: %d, store_count: %d]\n",
+ m_address.getAddress(), (int)m_value,
+ TesterStatus_to_string(m_status).c_str(),
+ m_initiatingNode, m_store_count);
+}
diff --git a/src/cpu/testers/rubytest/Check.hh b/src/cpu/testers/rubytest/Check.hh
new file mode 100644
index 000000000..1ce795a21
--- /dev/null
+++ b/src/cpu/testers/rubytest/Check.hh
@@ -0,0 +1,89 @@
+/*
+ * 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.
+ */
+
+#ifndef __CPU_RUBYTEST_CHECK_HH__
+#define __CPU_RUBYTEST_CHECK_HH__
+
+#include <iostream>
+
+#include "cpu/testers/rubytest/RubyTester.hh"
+#include "mem/protocol/AccessModeType.hh"
+#include "mem/protocol/TesterStatus.hh"
+#include "mem/ruby/common/Address.hh"
+#include "mem/ruby/common/Global.hh"
+#include "mem/ruby/system/NodeID.hh"
+
+class SubBlock;
+
+const int CHECK_SIZE_BITS = 2;
+const int CHECK_SIZE = (1 << CHECK_SIZE_BITS);
+
+class Check
+{
+ public:
+ Check(const Address& address, const Address& pc, int _num_cpu_sequencer,
+ RubyTester* _tester);
+
+ void initiate(); // Does Action or Check or nether
+ void performCallback(NodeID proc, SubBlock* data);
+ const Address& getAddress() { return m_address; }
+ void changeAddress(const Address& address);
+
+ void print(std::ostream& out) const;
+
+ private:
+ void initiatePrefetch();
+ void initiateAction();
+ void initiateCheck();
+
+ void pickValue();
+ void pickInitiatingNode();
+
+ void debugPrint();
+
+ TesterStatus m_status;
+ uint8 m_value;
+ int m_store_count;
+ NodeID m_initiatingNode;
+ Address m_address;
+ Address m_pc;
+ AccessModeType m_access_mode;
+ int m_num_cpu_sequencers;
+ RubyTester* m_tester_ptr;
+};
+
+inline std::ostream&
+operator<<(std::ostream& out, const Check& obj)
+{
+ obj.print(out);
+ out << std::flush;
+ return out;
+}
+
+#endif // __CPU_RUBYTEST_CHECK_HH__
diff --git a/src/cpu/testers/rubytest/CheckTable.cc b/src/cpu/testers/rubytest/CheckTable.cc
new file mode 100644
index 000000000..728ad0303
--- /dev/null
+++ b/src/cpu/testers/rubytest/CheckTable.cc
@@ -0,0 +1,130 @@
+/*
+ * 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 "base/intmath.hh"
+#include "cpu/testers/rubytest/Check.hh"
+#include "cpu/testers/rubytest/CheckTable.hh"
+#include "cpu/testers/rubytest/CheckTable.hh"
+
+CheckTable::CheckTable(int _num_cpu_sequencers, RubyTester* _tester)
+ : m_num_cpu_sequencers(_num_cpu_sequencers), m_tester_ptr(_tester)
+{
+ physical_address_t physical = 0;
+ Address address;
+
+ const int size1 = 32;
+ const int size2 = 100;
+
+ // The first set is to get some false sharing
+ physical = 1000;
+ for (int i = 0; i < size1; i++) {
+ // Setup linear addresses
+ address.setAddress(physical);
+ addCheck(address);
+ physical += CHECK_SIZE;
+ }
+
+ // The next two sets are to get some limited false sharing and
+ // cache conflicts
+ physical = 1000;
+ for (int i = 0; i < size2; i++) {
+ // Setup linear addresses
+ address.setAddress(physical);
+ addCheck(address);
+ physical += 256;
+ }
+
+ physical = 1000 + CHECK_SIZE;
+ for (int i = 0; i < size2; i++) {
+ // Setup linear addresses
+ address.setAddress(physical);
+ addCheck(address);
+ physical += 256;
+ }
+}
+
+CheckTable::~CheckTable()
+{
+ int size = m_check_vector.size();
+ for (int i = 0; i < size; i++)
+ delete m_check_vector[i];
+}
+
+void
+CheckTable::addCheck(const Address& address)
+{
+ if (floorLog2(CHECK_SIZE) != 0) {
+ if (address.bitSelect(0, CHECK_SIZE_BITS - 1) != 0) {
+ ERROR_MSG("Check not aligned");
+ }
+ }
+
+ for (int i = 0; i < CHECK_SIZE; i++) {
+ if (m_lookup_map.count(Address(address.getAddress()+i))) {
+ // A mapping for this byte already existed, discard the
+ // entire check
+ return;
+ }
+ }
+
+ Check* check_ptr = new Check(address, Address(100 + m_check_vector.size()),
+ m_num_cpu_sequencers, m_tester_ptr);
+ for (int i = 0; i < CHECK_SIZE; i++) {
+ // Insert it once per byte
+ m_lookup_map[Address(address.getAddress() + i)] = check_ptr;
+ }
+ m_check_vector.push_back(check_ptr);
+}
+
+Check*
+CheckTable::getRandomCheck()
+{
+ return m_check_vector[random() % m_check_vector.size()];
+}
+
+Check*
+CheckTable::getCheck(const Address& address)
+{
+ DEBUG_MSG(TESTER_COMP, MedPrio, "Looking for check by address");
+ DEBUG_EXPR(TESTER_COMP, MedPrio, address);
+
+ m5::hash_map<Address, Check*>::iterator i = m_lookup_map.find(address);
+
+ if (i == m_lookup_map.end())
+ return NULL;
+
+ Check* check = i->second;
+ assert(check != NULL);
+ return check;
+}
+
+void
+CheckTable::print(std::ostream& out) const
+{
+}
diff --git a/src/cpu/testers/rubytest/CheckTable.hh b/src/cpu/testers/rubytest/CheckTable.hh
new file mode 100644
index 000000000..5a4ead337
--- /dev/null
+++ b/src/cpu/testers/rubytest/CheckTable.hh
@@ -0,0 +1,81 @@
+/*
+ * 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.
+ */
+
+#ifndef __CPU_RUBYTEST_CHECKTABLE_HH__
+#define __CPU_RUBYTEST_CHECKTABLE_HH__
+
+#include <iostream>
+#include <vector>
+
+#include "base/hashmap.hh"
+#include "mem/ruby/common/Address.hh"
+#include "mem/ruby/common/Global.hh"
+
+class Check;
+class RubyTester;
+
+class CheckTable
+{
+ public:
+ CheckTable(int _num_cpu_sequencers, RubyTester* _tester);
+ ~CheckTable();
+
+ Check* getRandomCheck();
+ Check* getCheck(const Address& address);
+
+ // bool isPresent(const Address& address) const;
+ // void removeCheckFromTable(const Address& address);
+ // bool isTableFull() const;
+ // Need a method to select a check or retrieve a check
+
+ void print(std::ostream& out) const;
+
+ private:
+ void addCheck(const Address& address);
+
+ // Private copy constructor and assignment operator
+ CheckTable(const CheckTable& obj);
+ CheckTable& operator=(const CheckTable& obj);
+
+ std::vector<Check*> m_check_vector;
+ m5::hash_map<Address, Check*> m_lookup_map;
+
+ int m_num_cpu_sequencers;
+ RubyTester* m_tester_ptr;
+};
+
+inline std::ostream&
+operator<<(std::ostream& out, const CheckTable& obj)
+{
+ obj.print(out);
+ out << std::flush;
+ return out;
+}
+
+#endif // __CPU_RUBYTEST_CHECKTABLE_HH__
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);
+}
diff --git a/src/cpu/testers/rubytest/RubyTester.hh b/src/cpu/testers/rubytest/RubyTester.hh
new file mode 100644
index 000000000..53341bce9
--- /dev/null
+++ b/src/cpu/testers/rubytest/RubyTester.hh
@@ -0,0 +1,148 @@
+/*
+ * 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.
+ */
+
+#ifndef __CPU_RUBYTEST_RUBYTESTER_HH__
+#define __CPU_RUBYTEST_RUBYTESTER_HH__
+
+#include <iostream>
+#include <vector>
+#include <string>
+
+#include "cpu/testers/rubytest/CheckTable.hh"
+#include "mem/mem_object.hh"
+#include "mem/packet.hh"
+#include "mem/ruby/common/DataBlock.hh"
+#include "mem/ruby/common/Global.hh"
+#include "mem/ruby/common/SubBlock.hh"
+#include "mem/ruby/system/RubyPort.hh"
+#include "params/RubyTester.hh"
+
+class RubyTester : public MemObject
+{
+ public:
+ class CpuPort : public SimpleTimingPort
+ {
+ private:
+ RubyTester *tester;
+
+ public:
+ CpuPort(const std::string &_name, RubyTester *_tester, int _idx)
+ : SimpleTimingPort(_name, _tester), tester(_tester), idx(_idx)
+ {}
+
+ int idx;
+
+ protected:
+ virtual bool recvTiming(PacketPtr pkt);
+ virtual Tick recvAtomic(PacketPtr pkt);
+ };
+
+ struct SenderState : public Packet::SenderState
+ {
+ SubBlock* subBlock;
+ Packet::SenderState *saved;
+
+ SenderState(Address addr, int size,
+ Packet::SenderState *sender_state = NULL)
+ : saved(sender_state)
+ {
+ subBlock = new SubBlock(addr, size);
+ }
+
+ ~SenderState()
+ {
+ delete subBlock;
+ }
+ };
+
+ typedef RubyTesterParams Params;
+ RubyTester(const Params *p);
+ ~RubyTester();
+
+ virtual Port *getPort(const std::string &if_name, int idx = -1);
+
+ Port* getCpuPort(int idx);
+
+ virtual void init();
+
+ void wakeup();
+
+ void incrementCheckCompletions() { m_checks_completed++; }
+
+ void printStats(std::ostream& out) const {}
+ void clearStats() {}
+ void printConfig(std::ostream& out) const {}
+
+ void print(std::ostream& out) const;
+
+ protected:
+ class CheckStartEvent : public Event
+ {
+ private:
+ RubyTester *tester;
+
+ public:
+ CheckStartEvent(RubyTester *_tester)
+ : Event(CPU_Tick_Pri), tester(_tester)
+ {}
+ void process() { tester->wakeup(); }
+ virtual const char *description() const { return "RubyTester tick"; }
+ };
+
+ CheckStartEvent checkStartEvent;
+
+ private:
+ void hitCallback(NodeID proc, SubBlock* data);
+
+ void checkForDeadlock();
+
+ // Private copy constructor and assignment operator
+ RubyTester(const RubyTester& obj);
+ RubyTester& operator=(const RubyTester& obj);
+
+ CheckTable* m_checkTable_ptr;
+ std::vector<Time> m_last_progress_vector;
+
+ uint64 m_checks_completed;
+ std::vector<CpuPort*> ports;
+ uint64 m_checks_to_complete;
+ int m_deadlock_threshold;
+ int m_num_cpu_sequencers;
+ int m_wakeup_frequency;
+};
+
+inline std::ostream&
+operator<<(std::ostream& out, const RubyTester& obj)
+{
+ obj.print(out);
+ out << std::flush;
+ return out;
+}
+
+#endif // __CPU_RUBYTEST_RUBYTESTER_HH__
diff --git a/src/cpu/testers/rubytest/RubyTester.py b/src/cpu/testers/rubytest/RubyTester.py
new file mode 100644
index 000000000..af37d2ff1
--- /dev/null
+++ b/src/cpu/testers/rubytest/RubyTester.py
@@ -0,0 +1,38 @@
+# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# 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.
+#
+
+from MemObject import MemObject
+from m5.params import *
+from m5.proxy import *
+
+class RubyTester(MemObject):
+ type = 'RubyTester'
+ cpuPort = VectorPort("the cpu ports")
+ checks_to_complete = Param.Int(100, "checks to complete")
+ deadlock_threshold = Param.Int(50000, "how often to check for deadlock")
+ wakeup_frequency = Param.Int(10, "number of cycles between wakeups")
diff --git a/src/cpu/testers/rubytest/SConscript b/src/cpu/testers/rubytest/SConscript
new file mode 100644
index 000000000..9352dd793
--- /dev/null
+++ b/src/cpu/testers/rubytest/SConscript
@@ -0,0 +1,47 @@
+# -*- mode:python -*-
+
+# Copyright (c) 2006 The Regents of The University of Michigan
+# 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.
+#
+
+Import('*')
+
+#
+# Currently the ruby testser relies on Ruby specific objects (SubBlock, etc.)
+# When this dependency is removed, the ruby tester should be compiled
+# independently from Ruby
+#
+if not env['RUBY']:
+ Return()
+
+SimObject('RubyTester.py')
+
+Source('RubyTester.cc')
+Source('Check.cc')
+Source('CheckTable.cc')
+
+TraceFlag('RubyTest')