3d58b4da4f3fa71e485315baa85db7c57ea08f4a
2 * Copyright (c) 2006 The Regents of The University of Michigan
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14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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31 #include "arch/kernel_stats.hh"
32 #include "base/output.hh"
33 #include "cpu/base.hh"
34 #include "cpu/profile.hh"
35 #include "cpu/quiesce_event.hh"
36 #include "cpu/thread_state.hh"
37 #include "mem/fs_translating_port_proxy.hh"
38 #include "mem/port.hh"
39 #include "mem/port_proxy.hh"
40 #include "mem/se_translating_port_proxy.hh"
41 #include "sim/full_system.hh"
42 #include "sim/serialize.hh"
43 #include "sim/system.hh"
45 ThreadState::ThreadState(BaseCPU
*cpu
, ThreadID _tid
, Process
*_process
)
46 : numInst(0), numOp(0), numLoad(0), _status(ThreadContext::Halted
),
47 baseCpu(cpu
), _threadId(_tid
), lastActivate(0), lastSuspend(0),
48 profile(NULL
), profileNode(NULL
), profilePC(0), quiesceEvent(NULL
),
49 kernelStats(NULL
), process(_process
), physProxy(NULL
), virtProxy(NULL
),
50 proxy(NULL
), funcExeInst(0), storeCondFailures(0)
54 ThreadState::~ThreadState()
56 if (physProxy
!= NULL
)
58 if (virtProxy
!= NULL
)
65 ThreadState::serialize(std::ostream
&os
)
67 SERIALIZE_ENUM(_status
);
68 // thread_num and cpu_id are deterministic from the config
69 SERIALIZE_SCALAR(funcExeInst
);
74 Tick quiesceEndTick
= 0;
75 if (quiesceEvent
->scheduled())
76 quiesceEndTick
= quiesceEvent
->when();
77 SERIALIZE_SCALAR(quiesceEndTick
);
79 kernelStats
->serialize(os
);
83 ThreadState::unserialize(Checkpoint
*cp
, const std::string
§ion
)
86 UNSERIALIZE_ENUM(_status
);
87 // thread_num and cpu_id are deterministic from the config
88 UNSERIALIZE_SCALAR(funcExeInst
);
94 UNSERIALIZE_SCALAR(quiesceEndTick
);
96 baseCpu
->schedule(quiesceEvent
, quiesceEndTick
);
98 kernelStats
->unserialize(cp
, section
);
102 ThreadState::initMemProxies(ThreadContext
*tc
)
104 // Note that this only refers to the port on the CPU side and can
105 // safely be done at init() time even if the CPU is not connected
106 // (i.e. due to restoring from a checkpoint and later switching
108 if (physProxy
== NULL
)
109 // this cannot be done in the constructor as the thread state
110 // itself is created in the base cpu constructor and the
111 // getPort is a virtual function at the moment
112 physProxy
= new PortProxy(baseCpu
->getDataPort());
113 if (virtProxy
== NULL
)
114 virtProxy
= new FSTranslatingPortProxy(tc
);
118 ThreadState::profileClear()
125 ThreadState::profileSample()
128 profile
->sample(profileNode
, profilePC
);
131 SETranslatingPortProxy
&
132 ThreadState::getMemProxy()
135 proxy
= new SETranslatingPortProxy(baseCpu
->getDataPort(),
137 SETranslatingPortProxy::NextPage
);