tlb.hh (8229:78bf55f23338) tlb.hh (8752:28e899b7dee3)
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Gabe Black
38 */
39
40#ifndef __ARCH_X86_TLB_HH__
41#define __ARCH_X86_TLB_HH__
42
43#include <list>
44#include <string>
45#include <vector>
46
47#include "arch/x86/regs/segment.hh"
48#include "arch/x86/pagetable.hh"
49#include "config/full_system.hh"
50#include "mem/mem_object.hh"
51#include "mem/request.hh"
52#include "params/X86TLB.hh"
53#include "sim/fault_fwd.hh"
54#include "sim/sim_object.hh"
55#include "sim/tlb.hh"
56
57class ThreadContext;
58class Packet;
59
60namespace X86ISA
61{
62 class Walker;
63
64 class TLB : public BaseTLB
65 {
66 protected:
67 friend class Walker;
68
69 typedef std::list<TlbEntry *> EntryList;
70
71 uint32_t configAddress;
72
73 public:
74
75 typedef X86TLBParams Params;
76 TLB(const Params *p);
77
78 void dumpAll();
79
80 TlbEntry *lookup(Addr va, bool update_lru = true);
81
82 void setConfigAddress(uint32_t addr);
83
84 protected:
85
86 EntryList::iterator lookupIt(Addr va, bool update_lru = true);
87
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Gabe Black
38 */
39
40#ifndef __ARCH_X86_TLB_HH__
41#define __ARCH_X86_TLB_HH__
42
43#include <list>
44#include <string>
45#include <vector>
46
47#include "arch/x86/regs/segment.hh"
48#include "arch/x86/pagetable.hh"
49#include "config/full_system.hh"
50#include "mem/mem_object.hh"
51#include "mem/request.hh"
52#include "params/X86TLB.hh"
53#include "sim/fault_fwd.hh"
54#include "sim/sim_object.hh"
55#include "sim/tlb.hh"
56
57class ThreadContext;
58class Packet;
59
60namespace X86ISA
61{
62 class Walker;
63
64 class TLB : public BaseTLB
65 {
66 protected:
67 friend class Walker;
68
69 typedef std::list<TlbEntry *> EntryList;
70
71 uint32_t configAddress;
72
73 public:
74
75 typedef X86TLBParams Params;
76 TLB(const Params *p);
77
78 void dumpAll();
79
80 TlbEntry *lookup(Addr va, bool update_lru = true);
81
82 void setConfigAddress(uint32_t addr);
83
84 protected:
85
86 EntryList::iterator lookupIt(Addr va, bool update_lru = true);
87
88#if FULL_SYSTEM
89 protected:
90
91 Walker * walker;
88 Walker * walker;
89
92 public:
93 Walker *getWalker();
90 public:
91 Walker *getWalker();
94#endif
95
92
96 public:
97 void invalidateAll();
98
99 void invalidateNonGlobal();
100
101 void demapPage(Addr va, uint64_t asn);
102
103 protected:
104 int size;
105
106 TlbEntry * tlb;
107
108 EntryList freeList;
109 EntryList entryList;
110
111 Fault translateInt(RequestPtr req, ThreadContext *tc);
112
113 Fault translate(RequestPtr req, ThreadContext *tc,
114 Translation *translation, Mode mode,
115 bool &delayedResponse, bool timing);
116
117 public:
118
119 Fault translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode);
120 void translateTiming(RequestPtr req, ThreadContext *tc,
121 Translation *translation, Mode mode);
122
123#if FULL_SYSTEM
124 Tick doMmuRegRead(ThreadContext *tc, Packet *pkt);
125 Tick doMmuRegWrite(ThreadContext *tc, Packet *pkt);
126#endif
127
128 TlbEntry * insert(Addr vpn, TlbEntry &entry);
129
130 // Checkpointing
131 virtual void serialize(std::ostream &os);
132 virtual void unserialize(Checkpoint *cp, const std::string &section);
133 };
134}
135
136#endif // __ARCH_X86_TLB_HH__
93 void invalidateAll();
94
95 void invalidateNonGlobal();
96
97 void demapPage(Addr va, uint64_t asn);
98
99 protected:
100 int size;
101
102 TlbEntry * tlb;
103
104 EntryList freeList;
105 EntryList entryList;
106
107 Fault translateInt(RequestPtr req, ThreadContext *tc);
108
109 Fault translate(RequestPtr req, ThreadContext *tc,
110 Translation *translation, Mode mode,
111 bool &delayedResponse, bool timing);
112
113 public:
114
115 Fault translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode);
116 void translateTiming(RequestPtr req, ThreadContext *tc,
117 Translation *translation, Mode mode);
118
119#if FULL_SYSTEM
120 Tick doMmuRegRead(ThreadContext *tc, Packet *pkt);
121 Tick doMmuRegWrite(ThreadContext *tc, Packet *pkt);
122#endif
123
124 TlbEntry * insert(Addr vpn, TlbEntry &entry);
125
126 // Checkpointing
127 virtual void serialize(std::ostream &os);
128 virtual void unserialize(Checkpoint *cp, const std::string &section);
129 };
130}
131
132#endif // __ARCH_X86_TLB_HH__