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_TLB_HH__
59#define __ARCH_X86_TLB_HH__
60
61#include <list>
62#include <vector>
63#include <string>
64
65#include "arch/x86/pagetable.hh"
66#include "arch/x86/segmentregs.hh"
67#include "config/full_system.hh"
68#include "mem/mem_object.hh"
69#include "mem/request.hh"
70#include "params/X86DTB.hh"
71#include "params/X86ITB.hh"
72#include "sim/faults.hh"
73#include "sim/tlb.hh"
74#include "sim/sim_object.hh"
75
76class ThreadContext;
77class Packet;
78
79namespace X86ISA
80{
81 class Walker;
82
83 static const unsigned StoreCheck = 1 << NUM_SEGMENTREGS;
84
85 class TLB;
86
87 class TLB : public BaseTLB
88 {
89 protected:
90 friend class FakeITLBFault;
91 friend class FakeDTLBFault;
92
93 typedef std::list<TlbEntry *> EntryList;
94
95 bool _allowNX;
96 uint32_t configAddress;
97
98 public:
99 bool allowNX() const
100 {
101 return _allowNX;
102 }
103
104 typedef X86TLBParams Params;
105 TLB(const Params *p);
106
107 void dumpAll();
108
109 TlbEntry *lookup(Addr va, bool update_lru = true);
110
111 void setConfigAddress(uint32_t addr);
112
113 protected:
114
115 EntryList::iterator lookupIt(Addr va, bool update_lru = true);
116
117#if FULL_SYSTEM
118 protected:
119
120 Walker * walker;
121
122 void walk(ThreadContext * _tc, Addr vaddr, bool write, bool execute);
123#endif
124
125 public:
126 void invalidateAll();
127
128 void invalidateNonGlobal();
129
130 void demapPage(Addr va, uint64_t asn);
131
132 protected:
133 int size;
134
135 TlbEntry * tlb;
136
137 EntryList freeList;
138 EntryList entryList;
139
140 template<class TlbFault>
| 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_TLB_HH__
59#define __ARCH_X86_TLB_HH__
60
61#include <list>
62#include <vector>
63#include <string>
64
65#include "arch/x86/pagetable.hh"
66#include "arch/x86/segmentregs.hh"
67#include "config/full_system.hh"
68#include "mem/mem_object.hh"
69#include "mem/request.hh"
70#include "params/X86DTB.hh"
71#include "params/X86ITB.hh"
72#include "sim/faults.hh"
73#include "sim/tlb.hh"
74#include "sim/sim_object.hh"
75
76class ThreadContext;
77class Packet;
78
79namespace X86ISA
80{
81 class Walker;
82
83 static const unsigned StoreCheck = 1 << NUM_SEGMENTREGS;
84
85 class TLB;
86
87 class TLB : public BaseTLB
88 {
89 protected:
90 friend class FakeITLBFault;
91 friend class FakeDTLBFault;
92
93 typedef std::list<TlbEntry *> EntryList;
94
95 bool _allowNX;
96 uint32_t configAddress;
97
98 public:
99 bool allowNX() const
100 {
101 return _allowNX;
102 }
103
104 typedef X86TLBParams Params;
105 TLB(const Params *p);
106
107 void dumpAll();
108
109 TlbEntry *lookup(Addr va, bool update_lru = true);
110
111 void setConfigAddress(uint32_t addr);
112
113 protected:
114
115 EntryList::iterator lookupIt(Addr va, bool update_lru = true);
116
117#if FULL_SYSTEM
118 protected:
119
120 Walker * walker;
121
122 void walk(ThreadContext * _tc, Addr vaddr, bool write, bool execute);
123#endif
124
125 public:
126 void invalidateAll();
127
128 void invalidateNonGlobal();
129
130 void demapPage(Addr va, uint64_t asn);
131
132 protected:
133 int size;
134
135 TlbEntry * tlb;
136
137 EntryList freeList;
138 EntryList entryList;
139
140 template<class TlbFault>
|
141 Fault translateAtomic(RequestPtr &req, ThreadContext *tc,
| 141 Fault translateAtomic(RequestPtr req, ThreadContext *tc,
|
142 bool write, bool execute);
| 142 bool write, bool execute);
|
| 143 void translateTiming(RequestPtr req, ThreadContext *tc,
144 Translation *translation, bool write, bool execute);
|
143
144 public:
145
146 void insert(Addr vpn, TlbEntry &entry);
147
148 // Checkpointing
149 virtual void serialize(std::ostream &os);
150 virtual void unserialize(Checkpoint *cp, const std::string §ion);
151 };
152
153 class ITB : public TLB
154 {
155 public:
156 typedef X86ITBParams Params;
157 ITB(const Params *p) : TLB(p)
158 {
159 _allowNX = false;
160 }
161
| 145
146 public:
147
148 void insert(Addr vpn, TlbEntry &entry);
149
150 // Checkpointing
151 virtual void serialize(std::ostream &os);
152 virtual void unserialize(Checkpoint *cp, const std::string §ion);
153 };
154
155 class ITB : public TLB
156 {
157 public:
158 typedef X86ITBParams Params;
159 ITB(const Params *p) : TLB(p)
160 {
161 _allowNX = false;
162 }
163
|
162 Fault translateAtomic(RequestPtr &req, ThreadContext *tc);
| 164 Fault translateAtomic(RequestPtr req, ThreadContext *tc);
165 void translateTiming(RequestPtr req, ThreadContext *tc,
166 Translation *translation);
|
163
164 friend class DTB;
165 };
166
167 class DTB : public TLB
168 {
169 public:
170 typedef X86DTBParams Params;
171 DTB(const Params *p) : TLB(p)
172 {
173 _allowNX = true;
174 }
| 167
168 friend class DTB;
169 };
170
171 class DTB : public TLB
172 {
173 public:
174 typedef X86DTBParams Params;
175 DTB(const Params *p) : TLB(p)
176 {
177 _allowNX = true;
178 }
|
175 Fault translateAtomic(RequestPtr &req, ThreadContext *tc, bool write);
| 179 Fault translateAtomic(RequestPtr req, ThreadContext *tc, bool write);
180 void translateTiming(RequestPtr req, ThreadContext *tc,
181 Translation *translation, bool write);
|
176#if FULL_SYSTEM
177 Tick doMmuRegRead(ThreadContext *tc, Packet *pkt);
178 Tick doMmuRegWrite(ThreadContext *tc, Packet *pkt);
179#endif
180
181 // Checkpointing
182 virtual void serialize(std::ostream &os);
183 virtual void unserialize(Checkpoint *cp, const std::string §ion);
184 };
185}
186
187#endif // __ARCH_X86_TLB_HH__
| 182#if FULL_SYSTEM
183 Tick doMmuRegRead(ThreadContext *tc, Packet *pkt);
184 Tick doMmuRegWrite(ThreadContext *tc, Packet *pkt);
185#endif
186
187 // Checkpointing
188 virtual void serialize(std::ostream &os);
189 virtual void unserialize(Checkpoint *cp, const std::string §ion);
190 };
191}
192
193#endif // __ARCH_X86_TLB_HH__
|