RubySystem.hh revision 10918 
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    static bool getWarmupEnabled() { return m_warmup_enabled; }
78    static bool getCooldownEnabled() { return m_cooldown_enabled; }
79
80    SimpleMemory *getPhysMem() { return m_phys_mem; }
81    Cycles getStartCycle() { return m_start_cycle; }
82    const bool getAccessBackingStore() { return m_access_backing_store; }
83
84    // Public Methods
85    Profiler*
86    getProfiler()
87    {
88        assert(m_profiler != NULL);
89        return m_profiler;
90    }
91
92    void regStats() { m_profiler->regStats(name()); }
93    void collateStats() { m_profiler->collateStats(); }
94    void resetStats();
95
96    void serializeOld(CheckpointOut &cp) M5_ATTR_OVERRIDE;
97    void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
98    void process();
99    void startup();
100    bool functionalRead(Packet *ptr);
101    bool functionalWrite(Packet *ptr);
102
103    void registerNetwork(Network*);
104    void registerAbstractController(AbstractController*);
105
106    bool eventQueueEmpty() { return eventq->empty(); }
107    void enqueueRubyEvent(Tick tick)
108    {
109        RubyEvent* e = new RubyEvent(this);
110        schedule(e, tick);
111    }
112
113  private:
114    // Private copy constructor and assignment operator
115    RubySystem(const RubySystem& obj);
116    RubySystem& operator=(const RubySystem& obj);
117
118    void readCompressedTrace(std::string filename,
119                             uint8_t *&raw_data,
120                             uint64& uncompressed_trace_size);
121    void writeCompressedTrace(uint8_t *raw_data, std::string file,
122                              uint64 uncompressed_trace_size);
123
124  private:
125    // configuration parameters
126    static int m_random_seed;
127    static bool m_randomization;
128    static uint32_t m_block_size_bytes;
129    static uint32_t m_block_size_bits;
130    static uint32_t m_memory_size_bits;
131    static bool m_warmup_enabled;
132    static unsigned m_systems_to_warmup;
133    static bool m_cooldown_enabled;
134    SimpleMemory *m_phys_mem;
135    const bool m_access_backing_store;
136
137    Network* m_network;
138    std::vector<AbstractController *> m_abs_cntrl_vec;
139    Cycles m_start_cycle;
140
141  public:
142    Profiler* m_profiler;
143    CacheRecorder* m_cache_recorder;
144};
145
146class RubyStatsCallback : public Callback
147{
148  private:
149    RubySystem *ruby_system;
150
151  public:
152    virtual ~RubyStatsCallback() {}
153    RubyStatsCallback(RubySystem *system) : ruby_system(system) {}
154    void process() { ruby_system->collateStats(); }
155};
156
157#endif // __MEM_RUBY_SYSTEM_SYSTEM_HH__
158