1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
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 * Authors: Kevin Lim
29 */
30
31#ifndef __CPU_THREAD_STATE_HH__
32#define __CPU_THREAD_STATE_HH__
33
| 1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
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 * Authors: Kevin Lim
29 */
30
31#ifndef __CPU_THREAD_STATE_HH__
32#define __CPU_THREAD_STATE_HH__
33
|
35#include "cpu/thread_context.hh"
36
37#if !FULL_SYSTEM
38#include "mem/mem_object.hh"
39#include "mem/translating_port.hh"
40#include "sim/process.hh"
41#endif
42
43#if FULL_SYSTEM
44class EndQuiesceEvent;
45class FunctionProfile;
46class ProfileNode;
47namespace Kernel {
48 class Statistics;
49};
50#endif
51
52class Checkpoint;
53
54/**
55 * Struct for holding general thread state that is needed across CPU
56 * models. This includes things such as pointers to the process,
57 * memory, quiesce events, and certain stats. This can be expanded
58 * to hold more thread-specific stats within it.
59 */
60struct ThreadState {
61 typedef ThreadContext::Status Status;
62
63#if FULL_SYSTEM
64 ThreadState(int _cpuId, int _tid);
65#else
66 ThreadState(int _cpuId, int _tid, Process *_process,
67 short _asid, MemObject *mem);
68#endif
69
70 void serialize(std::ostream &os);
71
72 void unserialize(Checkpoint *cp, const std::string §ion);
73
74 void setCpuId(int id) { cpuId = id; }
75
76 int readCpuId() { return cpuId; }
77
78 void setTid(int id) { tid = id; }
79
80 int readTid() { return tid; }
81
82 Tick readLastActivate() { return lastActivate; }
83
84 Tick readLastSuspend() { return lastSuspend; }
85
86#if FULL_SYSTEM
87 void dumpFuncProfile();
88
89 EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; }
90
91 void profileClear();
92
93 void profileSample();
94
95 Kernel::Statistics *getKernelStats() { return kernelStats; }
96
97 FunctionalPort *getPhysPort() { return physPort; }
98
99 void setPhysPort(FunctionalPort *port) { physPort = port; }
100
101 VirtualPort *getVirtPort(ThreadContext *tc = NULL) { return virtPort; }
102
103 void setVirtPort(VirtualPort *port) { virtPort = port; }
104#else
105 Process *getProcessPtr() { return process; }
106
107 TranslatingPort *getMemPort() { return port; }
108
109 void setMemPort(TranslatingPort *_port) { port = _port; }
110
111 int getInstAsid() { return asid; }
112 int getDataAsid() { return asid; }
113#endif
114
115 /** Sets the current instruction being committed. */
116 void setInst(TheISA::MachInst _inst) { inst = _inst; }
117
118 /** Returns the current instruction being committed. */
119 TheISA::MachInst getInst() { return inst; }
120
121 /** Reads the number of instructions functionally executed and
122 * committed.
123 */
124 Counter readFuncExeInst() { return funcExeInst; }
125
126 /** Sets the total number of instructions functionally executed
127 * and committed.
128 */
129 void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
130
131 /** Returns the status of this thread. */
132 Status status() const { return _status; }
133
134 /** Sets the status of this thread. */
135 void setStatus(Status new_status) { _status = new_status; }
136
137 /** Number of instructions committed. */
138 Counter numInst;
139 /** Stat for number instructions committed. */
140 Stats::Scalar<> numInsts;
141 /** Stat for number of memory references. */
142 Stats::Scalar<> numMemRefs;
143
144 /** Number of simulated loads, used for tracking events based on
145 * the number of loads committed.
146 */
147 Counter numLoad;
148
149 /** The number of simulated loads committed prior to this run. */
150 Counter startNumLoad;
151
152 protected:
153 ThreadContext::Status _status;
154
155 // ID of this context w.r.t. the System or Process object to which
156 // it belongs. For full-system mode, this is the system CPU ID.
157 int cpuId;
158
159 // Index of hardware thread context on the CPU that this represents.
160 int tid;
161
162 public:
163 /** Last time activate was called on this thread. */
164 Tick lastActivate;
165
166 /** Last time suspend was called on this thread. */
167 Tick lastSuspend;
168
169#if FULL_SYSTEM
170 public:
171 FunctionProfile *profile;
172 ProfileNode *profileNode;
173 Addr profilePC;
174 EndQuiesceEvent *quiesceEvent;
175
176 Kernel::Statistics *kernelStats;
177 protected:
178 /** A functional port outgoing only for functional accesses to physical
179 * addresses.*/
180 FunctionalPort *physPort;
181
182 /** A functional port, outgoing only, for functional accesse to virtual
183 * addresses. That doen't require execution context information */
184 VirtualPort *virtPort;
185#else
186 TranslatingPort *port;
187
188 Process *process;
189
190 // Address space ID. Note that this is used for TIMING cache
191 // simulation only; all functional memory accesses should use
192 // one of the FunctionalMemory pointers above.
193 short asid;
194#endif
195
196 /** Current instruction the thread is committing. Only set and
197 * used for DTB faults currently.
198 */
199 TheISA::MachInst inst;
200
201 public:
202 /**
203 * Temporary storage to pass the source address from copy_load to
204 * copy_store.
205 * @todo Remove this temporary when we have a better way to do it.
206 */
207 Addr copySrcAddr;
208 /**
209 * Temp storage for the physical source address of a copy.
210 * @todo Remove this temporary when we have a better way to do it.
211 */
212 Addr copySrcPhysAddr;
213
214 /*
215 * number of executed instructions, for matching with syscall trace
216 * points in EIO files.
217 */
218 Counter funcExeInst;
219
220 //
221 // Count failed store conditionals so we can warn of apparent
222 // application deadlock situations.
223 unsigned storeCondFailures;
224};
225
226#endif // __CPU_THREAD_STATE_HH__
| 35#include "cpu/thread_context.hh"
36
37#if !FULL_SYSTEM
38#include "mem/mem_object.hh"
39#include "mem/translating_port.hh"
40#include "sim/process.hh"
41#endif
42
43#if FULL_SYSTEM
44class EndQuiesceEvent;
45class FunctionProfile;
46class ProfileNode;
47namespace Kernel {
48 class Statistics;
49};
50#endif
51
52class Checkpoint;
53
54/**
55 * Struct for holding general thread state that is needed across CPU
56 * models. This includes things such as pointers to the process,
57 * memory, quiesce events, and certain stats. This can be expanded
58 * to hold more thread-specific stats within it.
59 */
60struct ThreadState {
61 typedef ThreadContext::Status Status;
62
63#if FULL_SYSTEM
64 ThreadState(int _cpuId, int _tid);
65#else
66 ThreadState(int _cpuId, int _tid, Process *_process,
67 short _asid, MemObject *mem);
68#endif
69
70 void serialize(std::ostream &os);
71
72 void unserialize(Checkpoint *cp, const std::string §ion);
73
74 void setCpuId(int id) { cpuId = id; }
75
76 int readCpuId() { return cpuId; }
77
78 void setTid(int id) { tid = id; }
79
80 int readTid() { return tid; }
81
82 Tick readLastActivate() { return lastActivate; }
83
84 Tick readLastSuspend() { return lastSuspend; }
85
86#if FULL_SYSTEM
87 void dumpFuncProfile();
88
89 EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; }
90
91 void profileClear();
92
93 void profileSample();
94
95 Kernel::Statistics *getKernelStats() { return kernelStats; }
96
97 FunctionalPort *getPhysPort() { return physPort; }
98
99 void setPhysPort(FunctionalPort *port) { physPort = port; }
100
101 VirtualPort *getVirtPort(ThreadContext *tc = NULL) { return virtPort; }
102
103 void setVirtPort(VirtualPort *port) { virtPort = port; }
104#else
105 Process *getProcessPtr() { return process; }
106
107 TranslatingPort *getMemPort() { return port; }
108
109 void setMemPort(TranslatingPort *_port) { port = _port; }
110
111 int getInstAsid() { return asid; }
112 int getDataAsid() { return asid; }
113#endif
114
115 /** Sets the current instruction being committed. */
116 void setInst(TheISA::MachInst _inst) { inst = _inst; }
117
118 /** Returns the current instruction being committed. */
119 TheISA::MachInst getInst() { return inst; }
120
121 /** Reads the number of instructions functionally executed and
122 * committed.
123 */
124 Counter readFuncExeInst() { return funcExeInst; }
125
126 /** Sets the total number of instructions functionally executed
127 * and committed.
128 */
129 void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
130
131 /** Returns the status of this thread. */
132 Status status() const { return _status; }
133
134 /** Sets the status of this thread. */
135 void setStatus(Status new_status) { _status = new_status; }
136
137 /** Number of instructions committed. */
138 Counter numInst;
139 /** Stat for number instructions committed. */
140 Stats::Scalar<> numInsts;
141 /** Stat for number of memory references. */
142 Stats::Scalar<> numMemRefs;
143
144 /** Number of simulated loads, used for tracking events based on
145 * the number of loads committed.
146 */
147 Counter numLoad;
148
149 /** The number of simulated loads committed prior to this run. */
150 Counter startNumLoad;
151
152 protected:
153 ThreadContext::Status _status;
154
155 // ID of this context w.r.t. the System or Process object to which
156 // it belongs. For full-system mode, this is the system CPU ID.
157 int cpuId;
158
159 // Index of hardware thread context on the CPU that this represents.
160 int tid;
161
162 public:
163 /** Last time activate was called on this thread. */
164 Tick lastActivate;
165
166 /** Last time suspend was called on this thread. */
167 Tick lastSuspend;
168
169#if FULL_SYSTEM
170 public:
171 FunctionProfile *profile;
172 ProfileNode *profileNode;
173 Addr profilePC;
174 EndQuiesceEvent *quiesceEvent;
175
176 Kernel::Statistics *kernelStats;
177 protected:
178 /** A functional port outgoing only for functional accesses to physical
179 * addresses.*/
180 FunctionalPort *physPort;
181
182 /** A functional port, outgoing only, for functional accesse to virtual
183 * addresses. That doen't require execution context information */
184 VirtualPort *virtPort;
185#else
186 TranslatingPort *port;
187
188 Process *process;
189
190 // Address space ID. Note that this is used for TIMING cache
191 // simulation only; all functional memory accesses should use
192 // one of the FunctionalMemory pointers above.
193 short asid;
194#endif
195
196 /** Current instruction the thread is committing. Only set and
197 * used for DTB faults currently.
198 */
199 TheISA::MachInst inst;
200
201 public:
202 /**
203 * Temporary storage to pass the source address from copy_load to
204 * copy_store.
205 * @todo Remove this temporary when we have a better way to do it.
206 */
207 Addr copySrcAddr;
208 /**
209 * Temp storage for the physical source address of a copy.
210 * @todo Remove this temporary when we have a better way to do it.
211 */
212 Addr copySrcPhysAddr;
213
214 /*
215 * number of executed instructions, for matching with syscall trace
216 * points in EIO files.
217 */
218 Counter funcExeInst;
219
220 //
221 // Count failed store conditionals so we can warn of apparent
222 // application deadlock situations.
223 unsigned storeCondFailures;
224};
225
226#endif // __CPU_THREAD_STATE_HH__
|