1/*
2 * Copyright (c) 2002-2005 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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 * Nathan Binkert
30 */
31
32#ifndef __CPU_BASE_HH__
33#define __CPU_BASE_HH__
34
35#include <vector>
36
37#include "base/statistics.hh"
38#include "config/full_system.hh"
39#include "sim/eventq.hh"
40#include "mem/mem_object.hh"
41#include "arch/isa_traits.hh"
42
43class BranchPred;
44class CheckerCPU;
45class ThreadContext;
46class System;
47class Port;
48
49class CPUProgressEvent : public Event
50{
51 protected:
52 Tick interval;
53 Counter lastNumInst;
54 BaseCPU *cpu;
55
56 public:
57 CPUProgressEvent(EventQueue *q, Tick ival, BaseCPU *_cpu);
58
59 void process();
60
61 virtual const char *description();
62};
63
64class BaseCPU : public MemObject
65{
66 protected:
67 // CPU's clock period in terms of the number of ticks of curTime.
68 Tick clock;
69
70 public:
71// Tick currentTick;
72 inline Tick frequency() const { return Clock::Frequency / clock; }
73 inline Tick cycles(int numCycles) const { return clock * numCycles; }
74 inline Tick curCycle() const { return curTick / clock; }
75
76#if FULL_SYSTEM
77 protected:
78 uint64_t interrupts[TheISA::NumInterruptLevels];
79 uint64_t intstatus;
80
81 public:
82 virtual void post_interrupt(int int_num, int index);
83 virtual void clear_interrupt(int int_num, int index);
84 virtual void clear_interrupts();
85 bool checkInterrupts;
86
87 bool check_interrupt(int int_num) const {
88 if (int_num > TheISA::NumInterruptLevels)
89 panic("int_num out of bounds\n");
90
91 return interrupts[int_num] != 0;
92 }
93
94 bool check_interrupts() const { return intstatus != 0; }
95 uint64_t intr_status() const { return intstatus; }
96
97 class ProfileEvent : public Event
98 {
99 private:
100 BaseCPU *cpu;
101 int interval;
102
103 public:
104 ProfileEvent(BaseCPU *cpu, int interval);
105 void process();
106 };
107 ProfileEvent *profileEvent;
108#endif
109
110 protected:
111 std::vector<ThreadContext *> threadContexts;
112
113 public:
114
115 /// Notify the CPU that the indicated context is now active. The
116 /// delay parameter indicates the number of ticks to wait before
117 /// executing (typically 0 or 1).
118 virtual void activateContext(int thread_num, int delay) {}
119
120 /// Notify the CPU that the indicated context is now suspended.
121 virtual void suspendContext(int thread_num) {}
122
123 /// Notify the CPU that the indicated context is now deallocated.
124 virtual void deallocateContext(int thread_num) {}
125
126 /// Notify the CPU that the indicated context is now halted.
127 virtual void haltContext(int thread_num) {}
128
129 public:
130 struct Params
131 {
132 std::string name;
133 int numberOfThreads;
134 bool deferRegistration;
135 Counter max_insts_any_thread;
136 Counter max_insts_all_threads;
137 Counter max_loads_any_thread;
138 Counter max_loads_all_threads;
139 Tick clock;
140 bool functionTrace;
141 Tick functionTraceStart;
142 System *system;
| 1/*
2 * Copyright (c) 2002-2005 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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 * Nathan Binkert
30 */
31
32#ifndef __CPU_BASE_HH__
33#define __CPU_BASE_HH__
34
35#include <vector>
36
37#include "base/statistics.hh"
38#include "config/full_system.hh"
39#include "sim/eventq.hh"
40#include "mem/mem_object.hh"
41#include "arch/isa_traits.hh"
42
43class BranchPred;
44class CheckerCPU;
45class ThreadContext;
46class System;
47class Port;
48
49class CPUProgressEvent : public Event
50{
51 protected:
52 Tick interval;
53 Counter lastNumInst;
54 BaseCPU *cpu;
55
56 public:
57 CPUProgressEvent(EventQueue *q, Tick ival, BaseCPU *_cpu);
58
59 void process();
60
61 virtual const char *description();
62};
63
64class BaseCPU : public MemObject
65{
66 protected:
67 // CPU's clock period in terms of the number of ticks of curTime.
68 Tick clock;
69
70 public:
71// Tick currentTick;
72 inline Tick frequency() const { return Clock::Frequency / clock; }
73 inline Tick cycles(int numCycles) const { return clock * numCycles; }
74 inline Tick curCycle() const { return curTick / clock; }
75
76#if FULL_SYSTEM
77 protected:
78 uint64_t interrupts[TheISA::NumInterruptLevels];
79 uint64_t intstatus;
80
81 public:
82 virtual void post_interrupt(int int_num, int index);
83 virtual void clear_interrupt(int int_num, int index);
84 virtual void clear_interrupts();
85 bool checkInterrupts;
86
87 bool check_interrupt(int int_num) const {
88 if (int_num > TheISA::NumInterruptLevels)
89 panic("int_num out of bounds\n");
90
91 return interrupts[int_num] != 0;
92 }
93
94 bool check_interrupts() const { return intstatus != 0; }
95 uint64_t intr_status() const { return intstatus; }
96
97 class ProfileEvent : public Event
98 {
99 private:
100 BaseCPU *cpu;
101 int interval;
102
103 public:
104 ProfileEvent(BaseCPU *cpu, int interval);
105 void process();
106 };
107 ProfileEvent *profileEvent;
108#endif
109
110 protected:
111 std::vector<ThreadContext *> threadContexts;
112
113 public:
114
115 /// Notify the CPU that the indicated context is now active. The
116 /// delay parameter indicates the number of ticks to wait before
117 /// executing (typically 0 or 1).
118 virtual void activateContext(int thread_num, int delay) {}
119
120 /// Notify the CPU that the indicated context is now suspended.
121 virtual void suspendContext(int thread_num) {}
122
123 /// Notify the CPU that the indicated context is now deallocated.
124 virtual void deallocateContext(int thread_num) {}
125
126 /// Notify the CPU that the indicated context is now halted.
127 virtual void haltContext(int thread_num) {}
128
129 public:
130 struct Params
131 {
132 std::string name;
133 int numberOfThreads;
134 bool deferRegistration;
135 Counter max_insts_any_thread;
136 Counter max_insts_all_threads;
137 Counter max_loads_any_thread;
138 Counter max_loads_all_threads;
139 Tick clock;
140 bool functionTrace;
141 Tick functionTraceStart;
142 System *system;
|