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-rw-r--r--src/cpu/rubytest/CheckTable.cc130
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diff --git a/src/cpu/rubytest/CheckTable.cc b/src/cpu/rubytest/CheckTable.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.
- */
-
-#include "base/intmath.hh"
-#include "cpu/rubytest/Check.hh"
-#include "cpu/rubytest/CheckTable.hh"
-#include "cpu/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
-{
-}