RubySystem.hh revision 10706 
1/*
2 * Copyright (c) 1999-2012 Mark D. Hill and David A. Wood
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * Contains all of the various parts of the system we are simulating.
31 * Performs allocation, deallocation, and setup of all the major
32 * components of the system
33 */
34
35#ifndef __MEM_RUBY_SYSTEM_SYSTEM_HH__
36#define __MEM_RUBY_SYSTEM_SYSTEM_HH__
37
38#include "base/callback.hh"
39#include "base/output.hh"
40#include "mem/ruby/profiler/Profiler.hh"
41#include "mem/ruby/slicc_interface/AbstractController.hh"
42#include "mem/ruby/system/CacheRecorder.hh"
43#include "mem/packet.hh"
44#include "params/RubySystem.hh"
45#include "sim/clocked_object.hh"
46
47class Network;
48
49class RubySystem : public ClockedObject
50{
51  public:
52    class RubyEvent : public Event
53    {
54      public:
55        RubyEvent(RubySystem* _ruby_system)
56        {
57            ruby_system = _ruby_system;
58        }
59      private:
60        void process();
61
62        RubySystem* ruby_system;
63    };
64
65    friend class RubyEvent;
66
67    typedef RubySystemParams Params;
68    RubySystem(const Params *p);
69    ~RubySystem();
70
71    // config accessors
72    static int getRandomSeed() { return m_random_seed; }
73    static int getRandomization() { return m_randomization; }
74    static uint32_t getBlockSizeBytes() { return m_block_size_bytes; }
75    static uint32_t getBlockSizeBits() { return m_block_size_bits; }
76    static uint32_t getMemorySizeBits() { return m_memory_size_bits; }
77
78    SimpleMemory *getPhysMem() { return m_phys_mem; }
79    const bool getAccessBackingStore() { return m_access_backing_store; }
80
81    // Public Methods
82    Profiler*
83    getProfiler()
84    {
85        assert(m_profiler != NULL);
86        return m_profiler;
87    }
88
89    void regStats() { m_profiler->regStats(name()); }
90    void collateStats() { m_profiler->collateStats(); }
91    void resetStats();
92
93    void serialize(std::ostream &os);
94    void unserialize(Checkpoint *cp, const std::string &section);
95    void process();
96    void startup();
97    bool functionalRead(Packet *ptr);
98    bool functionalWrite(Packet *ptr);
99
100    void registerNetwork(Network*);
101    void registerAbstractController(AbstractController*);
102
103    bool eventQueueEmpty() { return eventq->empty(); }
104    void enqueueRubyEvent(Tick tick)
105    {
106        RubyEvent* e = new RubyEvent(this);
107        schedule(e, tick);
108    }
109
110  private:
111    // Private copy constructor and assignment operator
112    RubySystem(const RubySystem& obj);
113    RubySystem& operator=(const RubySystem& obj);
114
115    void readCompressedTrace(std::string filename,
116                             uint8_t *&raw_data,
117                             uint64& uncompressed_trace_size);
118    void writeCompressedTrace(uint8_t *raw_data, std::string file,
119                              uint64 uncompressed_trace_size);
120
121  private:
122    // configuration parameters
123    static int m_random_seed;
124    static bool m_randomization;
125    static uint32_t m_block_size_bytes;
126    static uint32_t m_block_size_bits;
127    static uint32_t m_memory_size_bits;
128    SimpleMemory *m_phys_mem;
129    const bool m_access_backing_store;
130
131    Network* m_network;
132    std::vector<AbstractController *> m_abs_cntrl_vec;
133
134  public:
135    Profiler* m_profiler;
136    bool m_warmup_enabled;
137    bool m_cooldown_enabled;
138    CacheRecorder* m_cache_recorder;
139};
140
141class RubyStatsCallback : public Callback
142{
143  private:
144    RubySystem *ruby_system;
145
146  public:
147    virtual ~RubyStatsCallback() {}
148    RubyStatsCallback(RubySystem *system) : ruby_system(system) {}
149    void process() { ruby_system->collateStats(); }
150};
151
152#endif // __MEM_RUBY_SYSTEM_SYSTEM_HH__
153