Check.hh revision 9208
1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * Copyright (c) 2009 Advanced Micro Devices, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; 10 * redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution; 13 * neither the name of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#ifndef __CPU_RUBYTEST_CHECK_HH__ 31#define __CPU_RUBYTEST_CHECK_HH__ 32 33#include <iostream> 34 35#include "cpu/testers/rubytest/RubyTester.hh" 36#include "mem/protocol/RubyAccessMode.hh" 37#include "mem/protocol/TesterStatus.hh" 38#include "mem/ruby/common/Address.hh" 39#include "mem/ruby/common/Global.hh" 40 41class SubBlock; 42 43const int CHECK_SIZE_BITS = 2; 44const int CHECK_SIZE = (1 << CHECK_SIZE_BITS); 45 46class Check 47{ 48 public: 49 Check(const Address& address, const Address& pc, int _num_writers, 50 int _num_readers, RubyTester* _tester); 51 52 void initiate(); // Does Action or Check or nether 53 void performCallback(NodeID proc, SubBlock* data); 54 const Address& getAddress() { return m_address; } 55 void changeAddress(const Address& address); 56 57 void print(std::ostream& out) const; 58 59 private: 60 void initiateFlush(); 61 void initiatePrefetch(); 62 void initiateAction(); 63 void initiateCheck(); 64 65 void pickValue(); 66 void pickInitiatingNode(); 67 68 void debugPrint(); 69 70 TesterStatus m_status; 71 uint8_t m_value; 72 int m_store_count; 73 NodeID m_initiatingNode; 74 Address m_address; 75 Address m_pc; 76 RubyAccessMode m_access_mode; 77 int m_num_writers; 78 int m_num_readers; 79 RubyTester* m_tester_ptr; 80}; 81 82inline std::ostream& 83operator<<(std::ostream& out, const Check& obj) 84{ 85 obj.print(out); 86 out << std::flush; 87 return out; 88} 89 90#endif // __CPU_RUBYTEST_CHECK_HH__ 91