src/cpu/testers/rubytest/Check.hh

   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 #include "mem/ruby/system/NodeID.hh"
  41
  42 class SubBlock;
  43
  44 const int CHECK_SIZE_BITS = 2;
  45 const int CHECK_SIZE = (1 << CHECK_SIZE_BITS);
  46
  47 class Check
  48 {
  49   public:
  50     Check(const Address& address, const Address& pc, int _num_cpu_sequencer,
  51           RubyTester* _tester);
  52
  53     void initiate(); // Does Action or Check or nether
  54     void performCallback(NodeID proc, SubBlock* data);
  55     const Address& getAddress() { return m_address; }
  56     void changeAddress(const Address& address);
  57
  58     void print(std::ostream& out) const;
  59
  60   private:
  61     void initiateFlush();
  62     void initiatePrefetch();
  63     void initiateAction();
  64     void initiateCheck();
  65
  66     void pickValue();
  67     void pickInitiatingNode();
  68
  69     void debugPrint();
  70
  71     TesterStatus m_status;
  72     uint8 m_value;
  73     int m_store_count;
  74     NodeID m_initiatingNode;
  75     Address m_address;
  76     Address m_pc;
  77     RubyAccessMode m_access_mode;
  78     int m_num_cpu_sequencers;
  79     RubyTester* m_tester_ptr;
  80 };
  81
  82 inline std::ostream&
  83 operator<<(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__