thread_state.hh (3276:dc3cd126b479) thread_state.hh (3402:db60546818d0)
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
34#include "arch/types.hh"
35#include "cpu/profile.hh"
36#include "cpu/thread_context.hh"
37
38#if !FULL_SYSTEM
39#include "mem/mem_object.hh"
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
34#include "arch/types.hh"
35#include "cpu/profile.hh"
36#include "cpu/thread_context.hh"
37
38#if !FULL_SYSTEM
39#include "mem/mem_object.hh"
40#include "mem/translating_port.hh"
41#include "sim/process.hh"
42#endif
43
44#if FULL_SYSTEM
45class EndQuiesceEvent;
46class FunctionProfile;
47class ProfileNode;
48namespace Kernel {
49 class Statistics;
50};
51#endif
52
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 BaseCPU;
53class Checkpoint;
53class Checkpoint;
54class TranslatingPort;
54
55/**
56 * Struct for holding general thread state that is needed across CPU
57 * models. This includes things such as pointers to the process,
58 * memory, quiesce events, and certain stats. This can be expanded
59 * to hold more thread-specific stats within it.
60 */
61struct ThreadState {
62 typedef ThreadContext::Status Status;
63
64#if FULL_SYSTEM
55
56/**
57 * Struct for holding general thread state that is needed across CPU
58 * models. This includes things such as pointers to the process,
59 * memory, quiesce events, and certain stats. This can be expanded
60 * to hold more thread-specific stats within it.
61 */
62struct ThreadState {
63 typedef ThreadContext::Status Status;
64
65#if FULL_SYSTEM
65 ThreadState(int _cpuId, int _tid);
66 ThreadState(BaseCPU *cpu, int _cpuId, int _tid);
66#else
67#else
67 ThreadState(int _cpuId, int _tid, Process *_process,
68 short _asid, MemObject *mem);
68 ThreadState(BaseCPU *cpu, int _cpuId, int _tid, Process *_process,
69 short _asid);
69#endif
70
71 void serialize(std::ostream &os);
72
73 void unserialize(Checkpoint *cp, const std::string &section);
74
75 void setCpuId(int id) { cpuId = id; }
76
77 int readCpuId() { return cpuId; }
78
79 void setTid(int id) { tid = id; }
80
81 int readTid() { return tid; }
82
83 Tick readLastActivate() { return lastActivate; }
84
85 Tick readLastSuspend() { return lastSuspend; }
86
87#if FULL_SYSTEM
88 void dumpFuncProfile();
89
90 EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; }
91
92 void profileClear();
93
94 void profileSample();
95
96 Kernel::Statistics *getKernelStats() { return kernelStats; }
97
98 FunctionalPort *getPhysPort() { return physPort; }
99
100 void setPhysPort(FunctionalPort *port) { physPort = port; }
101
102 VirtualPort *getVirtPort(ThreadContext *tc = NULL) { return virtPort; }
103
104 void setVirtPort(VirtualPort *port) { virtPort = port; }
105#else
106 Process *getProcessPtr() { return process; }
107
70#endif
71
72 void serialize(std::ostream &os);
73
74 void unserialize(Checkpoint *cp, const std::string &section);
75
76 void setCpuId(int id) { cpuId = id; }
77
78 int readCpuId() { return cpuId; }
79
80 void setTid(int id) { tid = id; }
81
82 int readTid() { return tid; }
83
84 Tick readLastActivate() { return lastActivate; }
85
86 Tick readLastSuspend() { return lastSuspend; }
87
88#if FULL_SYSTEM
89 void dumpFuncProfile();
90
91 EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; }
92
93 void profileClear();
94
95 void profileSample();
96
97 Kernel::Statistics *getKernelStats() { return kernelStats; }
98
99 FunctionalPort *getPhysPort() { return physPort; }
100
101 void setPhysPort(FunctionalPort *port) { physPort = port; }
102
103 VirtualPort *getVirtPort(ThreadContext *tc = NULL) { return virtPort; }
104
105 void setVirtPort(VirtualPort *port) { virtPort = port; }
106#else
107 Process *getProcessPtr() { return process; }
108
108 TranslatingPort *getMemPort() { return port; }
109 TranslatingPort *getMemPort();
109
110 void setMemPort(TranslatingPort *_port) { port = _port; }
111
112 int getInstAsid() { return asid; }
113 int getDataAsid() { return asid; }
114#endif
115
116 /** Sets the current instruction being committed. */
117 void setInst(TheISA::MachInst _inst) { inst = _inst; }
118
119 /** Returns the current instruction being committed. */
120 TheISA::MachInst getInst() { return inst; }
121
122 /** Reads the number of instructions functionally executed and
123 * committed.
124 */
125 Counter readFuncExeInst() { return funcExeInst; }
126
127 /** Sets the total number of instructions functionally executed
128 * and committed.
129 */
130 void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
131
132 /** Returns the status of this thread. */
133 Status status() const { return _status; }
134
135 /** Sets the status of this thread. */
136 void setStatus(Status new_status) { _status = new_status; }
137
138 /** Number of instructions committed. */
139 Counter numInst;
140 /** Stat for number instructions committed. */
141 Stats::Scalar<> numInsts;
142 /** Stat for number of memory references. */
143 Stats::Scalar<> numMemRefs;
144
145 /** Number of simulated loads, used for tracking events based on
146 * the number of loads committed.
147 */
148 Counter numLoad;
149
150 /** The number of simulated loads committed prior to this run. */
151 Counter startNumLoad;
152
153 protected:
154 ThreadContext::Status _status;
155
110
111 void setMemPort(TranslatingPort *_port) { port = _port; }
112
113 int getInstAsid() { return asid; }
114 int getDataAsid() { return asid; }
115#endif
116
117 /** Sets the current instruction being committed. */
118 void setInst(TheISA::MachInst _inst) { inst = _inst; }
119
120 /** Returns the current instruction being committed. */
121 TheISA::MachInst getInst() { return inst; }
122
123 /** Reads the number of instructions functionally executed and
124 * committed.
125 */
126 Counter readFuncExeInst() { return funcExeInst; }
127
128 /** Sets the total number of instructions functionally executed
129 * and committed.
130 */
131 void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
132
133 /** Returns the status of this thread. */
134 Status status() const { return _status; }
135
136 /** Sets the status of this thread. */
137 void setStatus(Status new_status) { _status = new_status; }
138
139 /** Number of instructions committed. */
140 Counter numInst;
141 /** Stat for number instructions committed. */
142 Stats::Scalar<> numInsts;
143 /** Stat for number of memory references. */
144 Stats::Scalar<> numMemRefs;
145
146 /** Number of simulated loads, used for tracking events based on
147 * the number of loads committed.
148 */
149 Counter numLoad;
150
151 /** The number of simulated loads committed prior to this run. */
152 Counter startNumLoad;
153
154 protected:
155 ThreadContext::Status _status;
156
157 // Pointer to the base CPU.
158 BaseCPU *baseCpu;
159
156 // ID of this context w.r.t. the System or Process object to which
157 // it belongs. For full-system mode, this is the system CPU ID.
158 int cpuId;
159
160 // Index of hardware thread context on the CPU that this represents.
161 int tid;
162
163 public:
164 /** Last time activate was called on this thread. */
165 Tick lastActivate;
166
167 /** Last time suspend was called on this thread. */
168 Tick lastSuspend;
169
170#if FULL_SYSTEM
171 public:
172 FunctionProfile *profile;
173 ProfileNode *profileNode;
174 Addr profilePC;
175 EndQuiesceEvent *quiesceEvent;
176
177 Kernel::Statistics *kernelStats;
178 protected:
179 /** A functional port outgoing only for functional accesses to physical
180 * addresses.*/
181 FunctionalPort *physPort;
182
183 /** A functional port, outgoing only, for functional accesse to virtual
184 * addresses. That doen't require execution context information */
185 VirtualPort *virtPort;
186#else
187 TranslatingPort *port;
188
189 Process *process;
190
191 // Address space ID. Note that this is used for TIMING cache
192 // simulation only; all functional memory accesses should use
193 // one of the FunctionalMemory pointers above.
194 short asid;
195
196#endif
197
198 /** Current instruction the thread is committing. Only set and
199 * used for DTB faults currently.
200 */
201 TheISA::MachInst inst;
202
203 /** The current microcode pc for the currently executing macro
204 * operation.
205 */
206 MicroPC microPC;
207
208 /** The next microcode pc for the currently executing macro
209 * operation.
210 */
211 MicroPC nextMicroPC;
212
213 public:
214 /**
215 * Temporary storage to pass the source address from copy_load to
216 * copy_store.
217 * @todo Remove this temporary when we have a better way to do it.
218 */
219 Addr copySrcAddr;
220 /**
221 * Temp storage for the physical source address of a copy.
222 * @todo Remove this temporary when we have a better way to do it.
223 */
224 Addr copySrcPhysAddr;
225
226 /*
227 * number of executed instructions, for matching with syscall trace
228 * points in EIO files.
229 */
230 Counter funcExeInst;
231
232 //
233 // Count failed store conditionals so we can warn of apparent
234 // application deadlock situations.
235 unsigned storeCondFailures;
236};
237
238#endif // __CPU_THREAD_STATE_HH__
160 // ID of this context w.r.t. the System or Process object to which
161 // it belongs. For full-system mode, this is the system CPU ID.
162 int cpuId;
163
164 // Index of hardware thread context on the CPU that this represents.
165 int tid;
166
167 public:
168 /** Last time activate was called on this thread. */
169 Tick lastActivate;
170
171 /** Last time suspend was called on this thread. */
172 Tick lastSuspend;
173
174#if FULL_SYSTEM
175 public:
176 FunctionProfile *profile;
177 ProfileNode *profileNode;
178 Addr profilePC;
179 EndQuiesceEvent *quiesceEvent;
180
181 Kernel::Statistics *kernelStats;
182 protected:
183 /** A functional port outgoing only for functional accesses to physical
184 * addresses.*/
185 FunctionalPort *physPort;
186
187 /** A functional port, outgoing only, for functional accesse to virtual
188 * addresses. That doen't require execution context information */
189 VirtualPort *virtPort;
190#else
191 TranslatingPort *port;
192
193 Process *process;
194
195 // Address space ID. Note that this is used for TIMING cache
196 // simulation only; all functional memory accesses should use
197 // one of the FunctionalMemory pointers above.
198 short asid;
199
200#endif
201
202 /** Current instruction the thread is committing. Only set and
203 * used for DTB faults currently.
204 */
205 TheISA::MachInst inst;
206
207 /** The current microcode pc for the currently executing macro
208 * operation.
209 */
210 MicroPC microPC;
211
212 /** The next microcode pc for the currently executing macro
213 * operation.
214 */
215 MicroPC nextMicroPC;
216
217 public:
218 /**
219 * Temporary storage to pass the source address from copy_load to
220 * copy_store.
221 * @todo Remove this temporary when we have a better way to do it.
222 */
223 Addr copySrcAddr;
224 /**
225 * Temp storage for the physical source address of a copy.
226 * @todo Remove this temporary when we have a better way to do it.
227 */
228 Addr copySrcPhysAddr;
229
230 /*
231 * number of executed instructions, for matching with syscall trace
232 * points in EIO files.
233 */
234 Counter funcExeInst;
235
236 //
237 // Count failed store conditionals so we can warn of apparent
238 // application deadlock situations.
239 unsigned storeCondFailures;
240};
241
242#endif // __CPU_THREAD_STATE_HH__