interrupts.hh (5647:b06b49498c79) interrupts.hh (5648:e8abda6e0980)
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"
62#include "arch/x86/faults.hh"
63#include "cpu/thread_context.hh"
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"
62#include "arch/x86/faults.hh"
63#include "cpu/thread_context.hh"
64#include "dev/io_device.hh"
64#include "params/X86LocalApic.hh"
65#include "sim/eventq.hh"
66#include "sim/sim_object.hh"
67
68class ThreadContext;
69
70namespace X86ISA
71{
72
65#include "params/X86LocalApic.hh"
66#include "sim/eventq.hh"
67#include "sim/sim_object.hh"
68
69class ThreadContext;
70
71namespace X86ISA
72{
73
73class Interrupts : public SimObject
74class Interrupts : public BasicPioDevice
74{
75 protected:
76 uint32_t regs[NUM_APIC_REGS];
75{
76 protected:
77 uint32_t regs[NUM_APIC_REGS];
78 Tick latency;
79 Tick clock;
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
92 public:
93 typedef X86LocalApicParams Params;
94
80
81 class ApicTimerEvent : public Event
82 {
83 public:
84 ApicTimerEvent() : Event()
85 {}
86
87 void process()
88 {
89 warn("Local APIC timer event doesn't do anything!\n");
90 }
91 };
92
93 ApicTimerEvent apicTimerEvent;
94
95 public:
96 typedef X86LocalApicParams Params;
97
98 void setClock(Tick newClock)
99 {
100 clock = newClock;
101 }
102
95 const Params *
96 params() const
97 {
98 return dynamic_cast<const Params *>(_params);
99 }
100
103 const Params *
104 params() const
105 {
106 return dynamic_cast<const Params *>(_params);
107 }
108
101 uint32_t readRegNoEffect(ApicRegIndex reg);
102 uint32_t readReg(ApicRegIndex miscReg, ThreadContext *tc);
109 Tick read(PacketPtr pkt);
110 Tick write(PacketPtr pkt);
103
111
104 void setRegNoEffect(ApicRegIndex reg, uint32_t val);
105 void setReg(ApicRegIndex reg, uint32_t val, ThreadContext *tc);
112 void addressRanges(AddrRangeList &range_list)
113 {
114 range_list.clear();
115 range_list.push_back(RangeEx(x86LocalAPICAddress(0, 0),
116 x86LocalAPICAddress(0, 0) + PageBytes));
117 }
106
118
107 Interrupts(Params * p) : SimObject(p)
119 uint32_t readReg(ApicRegIndex miscReg);
120 void setReg(ApicRegIndex reg, uint32_t val);
121 void setRegNoEffect(ApicRegIndex reg, uint32_t val)
108 {
122 {
123 regs[reg] = val;
124 }
125
126 Interrupts(Params * p) : BasicPioDevice(p),
127 latency(p->pio_latency), clock(0)
128 {
129 pioSize = PageBytes;
109 //Set the local apic DFR to the flat model.
110 regs[APIC_DESTINATION_FORMAT] = (uint32_t)(-1);
111 memset(regs, 0, sizeof(regs));
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__
130 //Set the local apic DFR to the flat model.
131 regs[APIC_DESTINATION_FORMAT] = (uint32_t)(-1);
132 memset(regs, 0, sizeof(regs));
133 clear_all();
134 }
135
136 int InterruptLevel(uint64_t softint)
137 {
138 panic("Interrupts::InterruptLevel unimplemented!\n");
139 return 0;
140 }
141
142 void post(int int_num, int index)
143 {
144 panic("Interrupts::post unimplemented!\n");
145 }
146
147 void clear(int int_num, int index)
148 {
149 warn("Interrupts::clear unimplemented!\n");
150 }
151
152 void clear_all()
153 {
154 warn("Interrupts::clear_all unimplemented!\n");
155 }
156
157 bool check_interrupts(ThreadContext * tc) const
158 {
159 return false;
160 }
161
162 Fault getInterrupt(ThreadContext * tc)
163 {
164 return NoFault;
165 }
166
167 void updateIntrInfo(ThreadContext * tc)
168 {
169 panic("Interrupts::updateIntrInfo unimplemented!\n");
170 }
171
172 void serialize(std::ostream & os)
173 {
174 panic("Interrupts::serialize unimplemented!\n");
175 }
176
177 void unserialize(Checkpoint * cp, const std::string & section)
178 {
179 panic("Interrupts::unserialize unimplemented!\n");
180 }
181};
182
183};
184
185#endif // __ARCH_X86_INTERRUPTS_HH__