thread_state.hh (2980:eab855f06b79) thread_state.hh (3125:febd811bccc6)
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;

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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Kevin Lim
29 */
30
31#ifndef __CPU_O3_THREAD_STATE_HH__
32#define __CPU_O3_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;

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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Kevin Lim
29 */
30
31#ifndef __CPU_O3_THREAD_STATE_HH__
32#define __CPU_O3_THREAD_STATE_HH__
33
34#include "base/callback.hh"
35#include "base/output.hh"
34#include "cpu/thread_context.hh"
35#include "cpu/thread_state.hh"
36#include "cpu/thread_context.hh"
37#include "cpu/thread_state.hh"
38#include "sim/sim_exit.hh"
36
37class Event;
38class Process;
39
40#if FULL_SYSTEM
41class EndQuiesceEvent;
42class FunctionProfile;
43class ProfileNode;

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70 /** Whether or not the thread is currently waiting on a trap, and
71 * thus able to be externally updated without squashing.
72 */
73 bool trapPending;
74
75#if FULL_SYSTEM
76 O3ThreadState(O3CPU *_cpu, int _thread_num)
77 : ThreadState(-1, _thread_num),
39
40class Event;
41class Process;
42
43#if FULL_SYSTEM
44class EndQuiesceEvent;
45class FunctionProfile;
46class ProfileNode;

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73 /** Whether or not the thread is currently waiting on a trap, and
74 * thus able to be externally updated without squashing.
75 */
76 bool trapPending;
77
78#if FULL_SYSTEM
79 O3ThreadState(O3CPU *_cpu, int _thread_num)
80 : ThreadState(-1, _thread_num),
78 inSyscall(0), trapPending(0)
79 { }
81 cpu(_cpu), inSyscall(0), trapPending(0)
82 {
83 if (cpu->params->profile) {
84 profile = new FunctionProfile(cpu->params->system->kernelSymtab);
85 Callback *cb =
86 new MakeCallback<O3ThreadState,
87 &O3ThreadState::dumpFuncProfile>(this);
88 registerExitCallback(cb);
89 }
90
91 // let's fill with a dummy node for now so we don't get a segfault
92 // on the first cycle when there's no node available.
93 static ProfileNode dummyNode;
94 profileNode = &dummyNode;
95 profilePC = 3;
96 }
80#else
81 O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process, int _asid,
82 MemObject *mem)
83 : ThreadState(-1, _thread_num, _process, _asid, mem),
84 cpu(_cpu), inSyscall(0), trapPending(0)
85 { }
86#endif
87
88 /** Pointer to the ThreadContext of this thread. */
89 ThreadContext *tc;
90
91 /** Returns a pointer to the TC of this thread. */
92 ThreadContext *getTC() { return tc; }
93
94#if !FULL_SYSTEM
95 /** Handles the syscall. */
96 void syscall(int64_t callnum) { process->syscall(callnum, tc); }
97#endif
97#else
98 O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process, int _asid,
99 MemObject *mem)
100 : ThreadState(-1, _thread_num, _process, _asid, mem),
101 cpu(_cpu), inSyscall(0), trapPending(0)
102 { }
103#endif
104
105 /** Pointer to the ThreadContext of this thread. */
106 ThreadContext *tc;
107
108 /** Returns a pointer to the TC of this thread. */
109 ThreadContext *getTC() { return tc; }
110
111#if !FULL_SYSTEM
112 /** Handles the syscall. */
113 void syscall(int64_t callnum) { process->syscall(callnum, tc); }
114#endif
115
116#if FULL_SYSTEM
117 void dumpFuncProfile()
118 {
119 std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name()));
120 profile->dump(xcProxy, *os);
121 }
122#endif
98};
99
100#endif // __CPU_O3_THREAD_STATE_HH__
123};
124
125#endif // __CPU_O3_THREAD_STATE_HH__