Sequencer.hh (6922:1620cffaa3b6) Sequencer.hh (7039:bc0b6ea676b5)
1
2/*
3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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;

--- 12 unchanged lines hidden (view full) ---

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
1/*
2 * Copyright (c) 1999-2008 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;

--- 12 unchanged lines hidden (view full) ---

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
30/*
31 * $Id: Sequencer.hh 1.70 2006/09/27 14:56:41-05:00 bobba@s1-01.cs.wisc.edu $
32 *
33 * Description:
34 *
35 */
29#ifndef __MEM_RUBY_SYSTEM_SEQUENCER_HH__
30#define __MEM_RUBY_SYSTEM_SEQUENCER_HH__
36
31
37#ifndef SEQUENCER_H
38#define SEQUENCER_H
39
40#include "mem/ruby/common/Global.hh"
41#include "mem/ruby/common/Consumer.hh"
42#include "mem/protocol/CacheRequestType.hh"
32#include "mem/gems_common/Map.hh"
43#include "mem/protocol/AccessModeType.hh"
33#include "mem/protocol/AccessModeType.hh"
34#include "mem/protocol/CacheRequestType.hh"
44#include "mem/protocol/GenericMachineType.hh"
45#include "mem/protocol/PrefetchBit.hh"
35#include "mem/protocol/GenericMachineType.hh"
36#include "mem/protocol/PrefetchBit.hh"
46#include "mem/ruby/system/RubyPort.hh"
47#include "mem/gems_common/Map.hh"
48#include "mem/ruby/common/Address.hh"
37#include "mem/ruby/common/Address.hh"
38#include "mem/ruby/common/Consumer.hh"
39#include "mem/ruby/common/Global.hh"
40#include "mem/ruby/system/RubyPort.hh"
49
50class DataBlock;
51class CacheMsg;
52class MachineID;
53class CacheMemory;
54
55class RubySequencerParams;
56
41
42class DataBlock;
43class CacheMsg;
44class MachineID;
45class CacheMemory;
46
47class RubySequencerParams;
48
57struct SequencerRequest {
58 RubyRequest ruby_request;
59 Time issue_time;
49struct SequencerRequest
50{
51 RubyRequest ruby_request;
52 Time issue_time;
60
53
61 SequencerRequest(const RubyRequest & _ruby_request,
62 Time _issue_time)
63 : ruby_request(_ruby_request),
64 issue_time(_issue_time)
65 {}
54 SequencerRequest(const RubyRequest & _ruby_request, Time _issue_time)
55 : ruby_request(_ruby_request), issue_time(_issue_time)
56 {}
66};
67
68std::ostream& operator<<(std::ostream& out, const SequencerRequest& obj);
69
57};
58
59std::ostream& operator<<(std::ostream& out, const SequencerRequest& obj);
60
70class Sequencer : public RubyPort, public Consumer {
71public:
61class Sequencer : public RubyPort, public Consumer
62{
63 public:
72 typedef RubySequencerParams Params;
64 typedef RubySequencerParams Params;
73 // Constructors
74 Sequencer(const Params *);
65 Sequencer(const Params *);
66 ~Sequencer();
75
67
76 // Destructor
77 ~Sequencer();
68 // Public Methods
69 void wakeup(); // Used only for deadlock detection
78
70
79 // Public Methods
80 void wakeup(); // Used only for deadlock detection
71 void printConfig(ostream& out) const;
81
72
82 void printConfig(ostream& out) const;
73 void printProgress(ostream& out) const;
83
74
84 void printProgress(ostream& out) const;
75 void writeCallback(const Address& address, DataBlock& data);
76 void readCallback(const Address& address, DataBlock& data);
85
77
86 void writeCallback(const Address& address, DataBlock& data);
87 void readCallback(const Address& address, DataBlock& data);
78 RequestStatus makeRequest(const RubyRequest & request);
79 RequestStatus getRequestStatus(const RubyRequest& request);
80 bool empty() const;
88
81
89 RequestStatus makeRequest(const RubyRequest & request);
90 RequestStatus getRequestStatus(const RubyRequest& request);
91 bool empty() const;
82 void print(ostream& out) const;
83 void printStats(ostream & out) const;
84 void checkCoherence(const Address& address);
92
85
93 void print(ostream& out) const;
94 void printStats(ostream & out) const;
95 void checkCoherence(const Address& address);
86 void removeRequest(SequencerRequest* request);
96
87
97 // bool getRubyMemoryValue(const Address& addr, char* value, unsigned int size_in_bytes);
98 // bool setRubyMemoryValue(const Address& addr, char *value, unsigned int size_in_bytes);
88 private:
89 bool tryCacheAccess(const Address& addr, CacheRequestType type,
90 const Address& pc, AccessModeType access_mode,
91 int size, DataBlock*& data_ptr);
92 void issueRequest(const RubyRequest& request);
99
93
100 void removeRequest(SequencerRequest* request);
101private:
102 // Private Methods
103 bool tryCacheAccess(const Address& addr, CacheRequestType type, const Address& pc, AccessModeType access_mode, int size, DataBlock*& data_ptr);
104 void issueRequest(const RubyRequest& request);
94 void hitCallback(SequencerRequest* request, DataBlock& data);
95 bool insertRequest(SequencerRequest* request);
105
96
106 void hitCallback(SequencerRequest* request, DataBlock& data);
107 bool insertRequest(SequencerRequest* request);
108
97
98 // Private copy constructor and assignment operator
99 Sequencer(const Sequencer& obj);
100 Sequencer& operator=(const Sequencer& obj);
109
101
110 // Private copy constructor and assignment operator
111 Sequencer(const Sequencer& obj);
112 Sequencer& operator=(const Sequencer& obj);
102 private:
103 int m_max_outstanding_requests;
104 int m_deadlock_threshold;
113
105
114private:
115 int m_max_outstanding_requests;
116 int m_deadlock_threshold;
106 CacheMemory* m_dataCache_ptr;
107 CacheMemory* m_instCache_ptr;
117
108
118 CacheMemory* m_dataCache_ptr;
119 CacheMemory* m_instCache_ptr;
109 Map<Address, SequencerRequest*> m_writeRequestTable;
110 Map<Address, SequencerRequest*> m_readRequestTable;
111 // Global outstanding request count, across all request tables
112 int m_outstanding_count;
113 bool m_deadlock_check_scheduled;
120
114
121 Map<Address, SequencerRequest*> m_writeRequestTable;
122 Map<Address, SequencerRequest*> m_readRequestTable;
123 // Global outstanding request count, across all request tables
124 int m_outstanding_count;
125 bool m_deadlock_check_scheduled;
115 int m_store_waiting_on_load_cycles;
116 int m_store_waiting_on_store_cycles;
117 int m_load_waiting_on_store_cycles;
118 int m_load_waiting_on_load_cycles;
126
119
127 int m_store_waiting_on_load_cycles;
128 int m_store_waiting_on_store_cycles;
129 int m_load_waiting_on_store_cycles;
130 int m_load_waiting_on_load_cycles;
120 bool m_usingRubyTester;
131
121
132 bool m_usingRubyTester;
122 class SequencerWakeupEvent : public Event
123 {
124 private:
125 Sequencer *m_sequencer_ptr;
133
126
134 class SequencerWakeupEvent : public Event
135 {
136 Sequencer *m_sequencer_ptr;
127 public:
128 SequencerWakeupEvent(Sequencer *_seq) : m_sequencer_ptr(_seq) {}
129 void process() { m_sequencer_ptr->wakeup(); }
130 const char *description() const { return "Sequencer deadlock check"; }
131 };
137
132
138 public:
139 SequencerWakeupEvent(Sequencer *_seq) : m_sequencer_ptr(_seq) {}
140 void process() { m_sequencer_ptr->wakeup(); }
141 const char *description() const { return "Sequencer deadlock check"; }
142 };
143
144 SequencerWakeupEvent deadlockCheckEvent;
133 SequencerWakeupEvent deadlockCheckEvent;
145};
146
134};
135
147// Output operator declaration
148ostream& operator<<(ostream& out, const Sequencer& obj);
149
150// ******************* Definitions *******************
151
152// Output operator definition
153extern inline
154ostream& operator<<(ostream& out, const Sequencer& obj)
136inline ostream&
137operator<<(ostream& out, const Sequencer& obj)
155{
138{
156 obj.print(out);
157 out << flush;
158 return out;
139 obj.print(out);
140 out << flush;
141 return out;
159}
160
142}
143
161#endif //SEQUENCER_H
144#endif // __MEM_RUBY_SYSTEM_SEQUENCER_HH__
162
145