2 * Copyright (c) 2006 The Regents of The University of Michigan
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31 #include "base/output.hh"
32 #include "cpu/base.hh"
33 #include "cpu/profile.hh"
34 #include "cpu/thread_state.hh"
35 #include "mem/port.hh"
36 #include "mem/translating_port.hh"
37 #include "sim/serialize.hh"
40 #include "cpu/quiesce_event.hh"
41 #include "kern/kernel_stats.hh"
45 ThreadState::ThreadState(BaseCPU
*cpu
, int _cpuId
, int _tid
)
46 : baseCpu(cpu
), cpuId(_cpuId
), tid(_tid
), lastActivate(0), lastSuspend(0),
47 profile(NULL
), profileNode(NULL
), profilePC(0), quiesceEvent(NULL
),
48 physPort(NULL
), virtPort(NULL
),
49 microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0)
51 ThreadState::ThreadState(BaseCPU
*cpu
, int _cpuId
, int _tid
, Process
*_process
,
53 : baseCpu(cpu
), cpuId(_cpuId
), tid(_tid
), lastActivate(0), lastSuspend(0),
54 port(NULL
), process(_process
), asid(_asid
),
55 microPC(0), nextMicroPC(1), funcExeInst(0), storeCondFailures(0)
62 ThreadState::~ThreadState()
66 delete port
->getPeer();
73 ThreadState::serialize(std::ostream
&os
)
75 SERIALIZE_ENUM(_status
);
76 // thread_num and cpu_id are deterministic from the config
77 SERIALIZE_SCALAR(funcExeInst
);
78 SERIALIZE_SCALAR(inst
);
79 SERIALIZE_SCALAR(microPC
);
80 SERIALIZE_SCALAR(nextMicroPC
);
83 Tick quiesceEndTick
= 0;
84 if (quiesceEvent
->scheduled())
85 quiesceEndTick
= quiesceEvent
->when();
86 SERIALIZE_SCALAR(quiesceEndTick
);
88 kernelStats
->serialize(os
);
93 ThreadState::unserialize(Checkpoint
*cp
, const std::string
§ion
)
96 UNSERIALIZE_ENUM(_status
);
97 // thread_num and cpu_id are deterministic from the config
98 UNSERIALIZE_SCALAR(funcExeInst
);
99 UNSERIALIZE_SCALAR(inst
);
100 UNSERIALIZE_SCALAR(microPC
);
101 UNSERIALIZE_SCALAR(nextMicroPC
);
105 UNSERIALIZE_SCALAR(quiesceEndTick
);
107 quiesceEvent
->schedule(quiesceEndTick
);
109 kernelStats
->unserialize(cp
, section
);
116 ThreadState::profileClear()
123 ThreadState::profileSample()
126 profile
->sample(profileNode
, profilePC
);
131 ThreadState::getMemPort()
136 /* Use this port to for syscall emulation writes to memory. */
137 port
= new TranslatingPort(csprintf("%s-%d-funcport",
138 baseCpu
->name(), tid
),
139 process
->pTable
, false);
141 Port
*func_port
= getMemFuncPort();
143 func_port
->setPeer(port
);
144 port
->setPeer(func_port
);
151 ThreadState::getMemFuncPort()
153 Port
*dcache_port
, *func_mem_port
;
155 dcache_port
= baseCpu
->getPort("dcache_port");
156 assert(dcache_port
!= NULL
);
158 MemObject
*mem_object
= dcache_port
->getPeer()->getOwner();
159 assert(mem_object
!= NULL
);
161 func_mem_port
= mem_object
->getPort("functional");
162 assert(func_mem_port
!= NULL
);
164 return func_mem_port
;