thread_state.hh (2690:f4337c0d9e6f) thread_state.hh (2733:e0eac8fc5774)
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;

--- 44 unchanged lines hidden (view full) ---

53 * current instruction being processed, whether or not the thread has
54 * a trap pending or is being externally updated, the ThreadContext
55 * pointer, etc. It also handles anything related to a specific
56 * thread's process, such as syscalls and checking valid addresses.
57 */
58template <class Impl>
59struct O3ThreadState : public ThreadState {
60 typedef ThreadContext::Status Status;
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;

--- 44 unchanged lines hidden (view full) ---

53 * current instruction being processed, whether or not the thread has
54 * a trap pending or is being externally updated, the ThreadContext
55 * pointer, etc. It also handles anything related to a specific
56 * thread's process, such as syscalls and checking valid addresses.
57 */
58template <class Impl>
59struct O3ThreadState : public ThreadState {
60 typedef ThreadContext::Status Status;
61 typedef typename Impl::FullCPU FullCPU;
61 typedef typename Impl::O3CPU O3CPU;
62
63 private:
64 /** Pointer to the CPU. */
62
63 private:
64 /** Pointer to the CPU. */
65 FullCPU *cpu;
65 O3CPU *cpu;
66 public:
67 /** Whether or not the thread is currently in syscall mode, and
68 * thus able to be externally updated without squashing.
69 */
70 bool inSyscall;
71
72 /** Whether or not the thread is currently waiting on a trap, and
73 * thus able to be externally updated without squashing.
74 */
75 bool trapPending;
76
77#if FULL_SYSTEM
66 public:
67 /** Whether or not the thread is currently in syscall mode, and
68 * thus able to be externally updated without squashing.
69 */
70 bool inSyscall;
71
72 /** Whether or not the thread is currently waiting on a trap, and
73 * thus able to be externally updated without squashing.
74 */
75 bool trapPending;
76
77#if FULL_SYSTEM
78 O3ThreadState(FullCPU *_cpu, int _thread_num)
78 O3ThreadState(O3CPU *_cpu, int _thread_num)
79 : ThreadState(-1, _thread_num),
80 inSyscall(0), trapPending(0)
81 { }
82#else
79 : ThreadState(-1, _thread_num),
80 inSyscall(0), trapPending(0)
81 { }
82#else
83 O3ThreadState(FullCPU *_cpu, int _thread_num, Process *_process, int _asid,
83 O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process, int _asid,
84 MemObject *mem)
85 : ThreadState(-1, _thread_num, mem, _process, _asid),
86 cpu(_cpu), inSyscall(0), trapPending(0)
87 { }
88#endif
89
90 /** Pointer to the ThreadContext of this thread. */
91 ThreadContext *tc;
92
93 /** Returns a pointer to the TC of this thread. */
94 ThreadContext *getTC() { return tc; }
95
96#if !FULL_SYSTEM
97 /** Handles the syscall. */
98 void syscall(int64_t callnum) { process->syscall(callnum, tc); }
99#endif
100};
101
102#endif // __CPU_O3_THREAD_STATE_HH__
84 MemObject *mem)
85 : ThreadState(-1, _thread_num, mem, _process, _asid),
86 cpu(_cpu), inSyscall(0), trapPending(0)
87 { }
88#endif
89
90 /** Pointer to the ThreadContext of this thread. */
91 ThreadContext *tc;
92
93 /** Returns a pointer to the TC of this thread. */
94 ThreadContext *getTC() { return tc; }
95
96#if !FULL_SYSTEM
97 /** Handles the syscall. */
98 void syscall(int64_t callnum) { process->syscall(callnum, tc); }
99#endif
100};
101
102#endif // __CPU_O3_THREAD_STATE_HH__