interrupts.hh (5646:0a488a147fb8) interrupts.hh (5647:b06b49498c79)
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * Redistribution and use of this software in source and binary forms,
6 * with or without modification, are permitted provided that the
7 * following conditions are met:
8 *
9 * The software must be used only for Non-Commercial Use which means any
10 * use which is NOT directed to receiving any direct monetary
11 * compensation for, or commercial advantage from such use. Illustrative
12 * examples of non-commercial use are academic research, personal study,
13 * teaching, education and corporate research & development.
14 * Illustrative examples of commercial use are distributing products for
15 * commercial advantage and providing services using the software for
16 * commercial advantage.
17 *
18 * If you wish to use this software or functionality therein that may be
19 * covered by patents for commercial use, please contact:
20 * Director of Intellectual Property Licensing
21 * Office of Strategy and Technology
22 * Hewlett-Packard Company
23 * 1501 Page Mill Road
24 * Palo Alto, California 94304
25 *
26 * Redistributions of source code must retain the above copyright notice,
27 * this list of conditions and the following disclaimer. Redistributions
28 * in binary form must reproduce the above copyright notice, this list of
29 * conditions and the following disclaimer in the documentation and/or
30 * other materials provided with the distribution. Neither the name of
31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
32 * contributors may be used to endorse or promote products derived from
33 * this software without specific prior written permission. No right of
34 * sublicense is granted herewith. Derivatives of the software and
35 * output created using the software may be prepared, but only for
36 * Non-Commercial Uses. Derivatives of the software may be shared with
37 * others provided: (i) the others agree to abide by the list of
38 * conditions herein which includes the Non-Commercial Use restrictions;
39 * and (ii) such Derivatives of the software include the above copyright
40 * notice to acknowledge the contribution from this software where
41 * applicable, this list of conditions and the disclaimer below.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 *
55 * Authors: Gabe Black
56 */
57
58#ifndef __ARCH_X86_INTERRUPTS_HH__
59#define __ARCH_X86_INTERRUPTS_HH__
60
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * Redistribution and use of this software in source and binary forms,
6 * with or without modification, are permitted provided that the
7 * following conditions are met:
8 *
9 * The software must be used only for Non-Commercial Use which means any
10 * use which is NOT directed to receiving any direct monetary
11 * compensation for, or commercial advantage from such use. Illustrative
12 * examples of non-commercial use are academic research, personal study,
13 * teaching, education and corporate research & development.
14 * Illustrative examples of commercial use are distributing products for
15 * commercial advantage and providing services using the software for
16 * commercial advantage.
17 *
18 * If you wish to use this software or functionality therein that may be
19 * covered by patents for commercial use, please contact:
20 * Director of Intellectual Property Licensing
21 * Office of Strategy and Technology
22 * Hewlett-Packard Company
23 * 1501 Page Mill Road
24 * Palo Alto, California 94304
25 *
26 * Redistributions of source code must retain the above copyright notice,
27 * this list of conditions and the following disclaimer. Redistributions
28 * in binary form must reproduce the above copyright notice, this list of
29 * conditions and the following disclaimer in the documentation and/or
30 * other materials provided with the distribution. Neither the name of
31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
32 * contributors may be used to endorse or promote products derived from
33 * this software without specific prior written permission. No right of
34 * sublicense is granted herewith. Derivatives of the software and
35 * output created using the software may be prepared, but only for
36 * Non-Commercial Uses. Derivatives of the software may be shared with
37 * others provided: (i) the others agree to abide by the list of
38 * conditions herein which includes the Non-Commercial Use restrictions;
39 * and (ii) such Derivatives of the software include the above copyright
40 * notice to acknowledge the contribution from this software where
41 * applicable, this list of conditions and the disclaimer below.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 *
55 * Authors: Gabe Black
56 */
57
58#ifndef __ARCH_X86_INTERRUPTS_HH__
59#define __ARCH_X86_INTERRUPTS_HH__
60
61#include "arch/x86/apicregs.hh"
61#include "arch/x86/faults.hh"
62#include "cpu/thread_context.hh"
62#include "arch/x86/faults.hh"
63#include "cpu/thread_context.hh"
64#include "params/X86LocalApic.hh"
65#include "sim/eventq.hh"
66#include "sim/sim_object.hh"
63
67
68class ThreadContext;
69
64namespace X86ISA
65{
66
70namespace X86ISA
71{
72
67class Interrupts
73class Interrupts : public SimObject
68{
74{
75 protected:
76 uint32_t regs[NUM_APIC_REGS];
77
78 class ApicTimerEvent : public Event
79 {
80 public:
81 ApicTimerEvent() : Event()
82 {}
83
84 void process()
85 {
86 warn("Local APIC timer event doesn't do anything!\n");
87 }
88 };
89
90 ApicTimerEvent apicTimerEvent;
91
69 public:
92 public:
70 Interrupts()
93 typedef X86LocalApicParams Params;
94
95 const Params *
96 params() const
71 {
97 {
98 return dynamic_cast<const Params *>(_params);
99 }
100
101 uint32_t readRegNoEffect(ApicRegIndex reg);
102 uint32_t readReg(ApicRegIndex miscReg, ThreadContext *tc);
103
104 void setRegNoEffect(ApicRegIndex reg, uint32_t val);
105 void setReg(ApicRegIndex reg, uint32_t val, ThreadContext *tc);
106
107 Interrupts(Params * p) : SimObject(p)
108 {
109 //Set the local apic DFR to the flat model.
110 regs[APIC_DESTINATION_FORMAT] = (uint32_t)(-1);
111 memset(regs, 0, sizeof(regs));
72 clear_all();
73 }
74
75 int InterruptLevel(uint64_t softint)
76 {
77 panic("Interrupts::InterruptLevel unimplemented!\n");
78 return 0;
79 }
80
81 void post(int int_num, int index)
82 {
83 panic("Interrupts::post unimplemented!\n");
84 }
85
86 void clear(int int_num, int index)
87 {
88 warn("Interrupts::clear unimplemented!\n");
89 }
90
91 void clear_all()
92 {
93 warn("Interrupts::clear_all unimplemented!\n");
94 }
95
96 bool check_interrupts(ThreadContext * tc) const
97 {
98 return false;
99 }
100
101 Fault getInterrupt(ThreadContext * tc)
102 {
103 return NoFault;
104 }
105
106 void updateIntrInfo(ThreadContext * tc)
107 {
108 panic("Interrupts::updateIntrInfo unimplemented!\n");
109 }
110
111 void serialize(std::ostream & os)
112 {
113 panic("Interrupts::serialize unimplemented!\n");
114 }
115
116 void unserialize(Checkpoint * cp, const std::string & section)
117 {
118 panic("Interrupts::unserialize unimplemented!\n");
119 }
120};
121
122};
123
124#endif // __ARCH_X86_INTERRUPTS_HH__
112 clear_all();
113 }
114
115 int InterruptLevel(uint64_t softint)
116 {
117 panic("Interrupts::InterruptLevel unimplemented!\n");
118 return 0;
119 }
120
121 void post(int int_num, int index)
122 {
123 panic("Interrupts::post unimplemented!\n");
124 }
125
126 void clear(int int_num, int index)
127 {
128 warn("Interrupts::clear unimplemented!\n");
129 }
130
131 void clear_all()
132 {
133 warn("Interrupts::clear_all unimplemented!\n");
134 }
135
136 bool check_interrupts(ThreadContext * tc) const
137 {
138 return false;
139 }
140
141 Fault getInterrupt(ThreadContext * tc)
142 {
143 return NoFault;
144 }
145
146 void updateIntrInfo(ThreadContext * tc)
147 {
148 panic("Interrupts::updateIntrInfo unimplemented!\n");
149 }
150
151 void serialize(std::ostream & os)
152 {
153 panic("Interrupts::serialize unimplemented!\n");
154 }
155
156 void unserialize(Checkpoint * cp, const std::string & section)
157 {
158 panic("Interrupts::unserialize unimplemented!\n");
159 }
160};
161
162};
163
164#endif // __ARCH_X86_INTERRUPTS_HH__