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31 #ifndef __CPU_THREAD_STATE_HH__
32 #define __CPU_THREAD_STATE_HH__
34 #include "arch/types.hh"
35 #include "cpu/profile.hh"
36 #include "cpu/thread_context.hh"
37 #include "cpu/base.hh"
40 #include "mem/mem_object.hh"
41 #include "sim/process.hh"
45 class EndQuiesceEvent;
46 class FunctionProfile;
57 class TranslatingPort;
60 * Struct for holding general thread state that is needed across CPU
61 * models. This includes things such as pointers to the process,
62 * memory, quiesce events, and certain stats. This can be expanded
63 * to hold more thread-specific stats within it.
66 typedef ThreadContext::Status Status;
69 ThreadState(BaseCPU *cpu, ThreadID _tid);
71 ThreadState(BaseCPU *cpu, ThreadID _tid, Process *_process);
76 void serialize(std::ostream &os);
78 void unserialize(Checkpoint *cp, const std::string §ion);
80 int cpuId() { return baseCpu->cpuId(); }
82 int contextId() { return _contextId; }
84 void setContextId(int id) { _contextId = id; }
86 void setThreadId(ThreadID id) { _threadId = id; }
88 ThreadID threadId() { return _threadId; }
90 Tick readLastActivate() { return lastActivate; }
92 Tick readLastSuspend() { return lastSuspend; }
95 void connectMemPorts(ThreadContext *tc);
97 void connectPhysPort();
99 void connectVirtPort(ThreadContext *tc);
101 void dumpFuncProfile();
103 EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; }
107 void profileSample();
109 TheISA::Kernel::Statistics *getKernelStats() { return kernelStats; }
111 FunctionalPort *getPhysPort() { return physPort; }
113 void setPhysPort(FunctionalPort *port) { physPort = port; }
115 VirtualPort *getVirtPort() { return virtPort; }
117 Process *getProcessPtr() { return process; }
119 TranslatingPort *getMemPort();
121 void setMemPort(TranslatingPort *_port) { port = _port; }
124 /** Sets the current instruction being committed. */
125 void setInst(TheISA::MachInst _inst) { inst = _inst; }
127 /** Returns the current instruction being committed. */
128 TheISA::MachInst getInst() { return inst; }
130 /** Reads the number of instructions functionally executed and
133 Counter readFuncExeInst() { return funcExeInst; }
135 /** Sets the total number of instructions functionally executed
138 void setFuncExeInst(Counter new_val) { funcExeInst = new_val; }
140 /** Returns the status of this thread. */
141 Status status() const { return _status; }
143 /** Sets the status of this thread. */
144 void setStatus(Status new_status) { _status = new_status; }
147 /** Connects port to the functional port of the memory object
149 void connectToMemFunc(Port *port);
151 /** Number of instructions committed. */
153 /** Stat for number instructions committed. */
154 Stats::Scalar numInsts;
155 /** Stat for number of memory references. */
156 Stats::Scalar numMemRefs;
158 /** Number of simulated loads, used for tracking events based on
159 * the number of loads committed.
163 /** The number of simulated loads committed prior to this run. */
164 Counter startNumLoad;
167 ThreadContext::Status _status;
169 // Pointer to the base CPU.
172 // system wide HW context id
175 // Index of hardware thread context on the CPU that this represents.
179 /** Last time activate was called on this thread. */
182 /** Last time suspend was called on this thread. */
187 FunctionProfile *profile;
188 ProfileNode *profileNode;
190 EndQuiesceEvent *quiesceEvent;
192 TheISA::Kernel::Statistics *kernelStats;
194 /** A functional port outgoing only for functional accesses to physical
196 FunctionalPort *physPort;
198 /** A functional port, outgoing only, for functional accesse to virtual
200 VirtualPort *virtPort;
202 TranslatingPort *port;
207 /** Current instruction the thread is committing. Only set and
208 * used for DTB faults currently.
210 TheISA::MachInst inst;
214 * Temporary storage to pass the source address from copy_load to
216 * @todo Remove this temporary when we have a better way to do it.
220 * Temp storage for the physical source address of a copy.
221 * @todo Remove this temporary when we have a better way to do it.
223 Addr copySrcPhysAddr;
226 * number of executed instructions, for matching with syscall trace
227 * points in EIO files.
232 // Count failed store conditionals so we can warn of apparent
233 // application deadlock situations.
234 unsigned storeCondFailures;
237 #endif // __CPU_THREAD_STATE_HH__