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_INSTS_MICROLDSTOP_HH__
59#define __ARCH_X86_INSTS_MICROLDSTOP_HH__
60
61#include "arch/x86/insts/microop.hh"
62#include "mem/packet.hh"
63#include "mem/request.hh"
64
65namespace X86ISA
66{
67 static const Request::FlagsType SegmentFlagMask = mask(4);
68 static const int FlagShift = 4;
69 enum FlagBit {
70 CPL0FlagBit = 1,
71 AddrSizeFlagBit = 2,
72 StoreCheck = 4
73 };
74
75 /**
76 * Base class for load and store ops
77 */
78 class LdStOp : public X86MicroopBase
79 {
80 protected:
81 const uint8_t scale;
82 const RegIndex index;
83 const RegIndex base;
84 const uint64_t disp;
85 const uint8_t segment;
86 const RegIndex data;
87 const uint8_t dataSize;
88 const uint8_t addressSize;
89 const Request::FlagsType memFlags;
90 RegIndex foldOBit, foldABit;
91
92 //Constructor
93 LdStOp(ExtMachInst _machInst,
94 const char * mnem, const char * _instMnem,
95 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
| 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_INSTS_MICROLDSTOP_HH__
59#define __ARCH_X86_INSTS_MICROLDSTOP_HH__
60
61#include "arch/x86/insts/microop.hh"
62#include "mem/packet.hh"
63#include "mem/request.hh"
64
65namespace X86ISA
66{
67 static const Request::FlagsType SegmentFlagMask = mask(4);
68 static const int FlagShift = 4;
69 enum FlagBit {
70 CPL0FlagBit = 1,
71 AddrSizeFlagBit = 2,
72 StoreCheck = 4
73 };
74
75 /**
76 * Base class for load and store ops
77 */
78 class LdStOp : public X86MicroopBase
79 {
80 protected:
81 const uint8_t scale;
82 const RegIndex index;
83 const RegIndex base;
84 const uint64_t disp;
85 const uint8_t segment;
86 const RegIndex data;
87 const uint8_t dataSize;
88 const uint8_t addressSize;
89 const Request::FlagsType memFlags;
90 RegIndex foldOBit, foldABit;
91
92 //Constructor
93 LdStOp(ExtMachInst _machInst,
94 const char * mnem, const char * _instMnem,
95 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
|
96 uint8_t _scale, RegIndex _index, RegIndex _base,
97 uint64_t _disp, uint8_t _segment,
98 RegIndex _data,
| 96 uint8_t _scale, InstRegIndex _index, InstRegIndex _base,
97 uint64_t _disp, InstRegIndex _segment,
98 InstRegIndex _data,
|
99 uint8_t _dataSize, uint8_t _addressSize,
100 Request::FlagsType _memFlags,
101 OpClass __opClass) :
102 X86MicroopBase(machInst, mnem, _instMnem,
103 isMicro, isDelayed, isFirst, isLast, __opClass),
| 99 uint8_t _dataSize, uint8_t _addressSize,
100 Request::FlagsType _memFlags,
101 OpClass __opClass) :
102 X86MicroopBase(machInst, mnem, _instMnem,
103 isMicro, isDelayed, isFirst, isLast, __opClass),
|
104 scale(_scale), index(_index), base(_base),
105 disp(_disp), segment(_segment),
106 data(_data),
| 104 scale(_scale), index(_index.idx), base(_base.idx),
105 disp(_disp), segment(_segment.idx),
106 data(_data.idx),
|
107 dataSize(_dataSize), addressSize(_addressSize),
| 107 dataSize(_dataSize), addressSize(_addressSize),
|
108 memFlags(_memFlags | _segment)
| 108 memFlags(_memFlags | _segment.idx)
|
109 {
| 109 {
|
| 110 assert(_segment.idx < NUM_SEGMENTREGS);
|
110 foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
111 foldABit =
112 (addressSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
113 }
114
115 std::string generateDisassembly(Addr pc,
116 const SymbolTable *symtab) const;
117
118 template<class Context, class MemType>
119 Fault read(Context *xc, Addr EA, MemType & Mem, unsigned flags) const
120 {
121 Fault fault = NoFault;
122 switch(dataSize)
123 {
124 case 1:
125 fault = xc->read(EA, (uint8_t&)Mem, flags);
126 break;
127 case 2:
128 fault = xc->read(EA, (uint16_t&)Mem, flags);
129 break;
130 case 4:
131 fault = xc->read(EA, (uint32_t&)Mem, flags);
132 break;
133 case 8:
134 fault = xc->read(EA, (uint64_t&)Mem, flags);
135 break;
136 default:
137 panic("Bad operand size %d for read at %#x.\n", dataSize, EA);
138 }
139 return fault;
140 }
141
142 template<class Context, class MemType>
143 Fault write(Context *xc, MemType & Mem, Addr EA, unsigned flags) const
144 {
145 Fault fault = NoFault;
146 switch(dataSize)
147 {
148 case 1:
149 fault = xc->write((uint8_t&)Mem, EA, flags, 0);
150 break;
151 case 2:
152 fault = xc->write((uint16_t&)Mem, EA, flags, 0);
153 break;
154 case 4:
155 fault = xc->write((uint32_t&)Mem, EA, flags, 0);
156 break;
157 case 8:
158 fault = xc->write((uint64_t&)Mem, EA, flags, 0);
159 break;
160 default:
161 panic("Bad operand size %d for write at %#x.\n", dataSize, EA);
162 }
163 return fault;
164 }
165
166 uint64_t
167 get(PacketPtr pkt) const
168 {
169 switch(dataSize)
170 {
171 case 1:
172 return pkt->get<uint8_t>();
173 case 2:
174 return pkt->get<uint16_t>();
175 case 4:
176 return pkt->get<uint32_t>();
177 case 8:
178 return pkt->get<uint64_t>();
179 default:
180 panic("Bad operand size %d for read at %#x.\n",
181 dataSize, pkt->getAddr());
182 }
183 }
184 };
185}
186
187#endif //__ARCH_X86_INSTS_MICROLDSTOP_HH__
| 111 foldOBit = (dataSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
112 foldABit =
113 (addressSize == 1 && !_machInst.rex.present) ? 1 << 6 : 0;
114 }
115
116 std::string generateDisassembly(Addr pc,
117 const SymbolTable *symtab) const;
118
119 template<class Context, class MemType>
120 Fault read(Context *xc, Addr EA, MemType & Mem, unsigned flags) const
121 {
122 Fault fault = NoFault;
123 switch(dataSize)
124 {
125 case 1:
126 fault = xc->read(EA, (uint8_t&)Mem, flags);
127 break;
128 case 2:
129 fault = xc->read(EA, (uint16_t&)Mem, flags);
130 break;
131 case 4:
132 fault = xc->read(EA, (uint32_t&)Mem, flags);
133 break;
134 case 8:
135 fault = xc->read(EA, (uint64_t&)Mem, flags);
136 break;
137 default:
138 panic("Bad operand size %d for read at %#x.\n", dataSize, EA);
139 }
140 return fault;
141 }
142
143 template<class Context, class MemType>
144 Fault write(Context *xc, MemType & Mem, Addr EA, unsigned flags) const
145 {
146 Fault fault = NoFault;
147 switch(dataSize)
148 {
149 case 1:
150 fault = xc->write((uint8_t&)Mem, EA, flags, 0);
151 break;
152 case 2:
153 fault = xc->write((uint16_t&)Mem, EA, flags, 0);
154 break;
155 case 4:
156 fault = xc->write((uint32_t&)Mem, EA, flags, 0);
157 break;
158 case 8:
159 fault = xc->write((uint64_t&)Mem, EA, flags, 0);
160 break;
161 default:
162 panic("Bad operand size %d for write at %#x.\n", dataSize, EA);
163 }
164 return fault;
165 }
166
167 uint64_t
168 get(PacketPtr pkt) const
169 {
170 switch(dataSize)
171 {
172 case 1:
173 return pkt->get<uint8_t>();
174 case 2:
175 return pkt->get<uint16_t>();
176 case 4:
177 return pkt->get<uint32_t>();
178 case 8:
179 return pkt->get<uint64_t>();
180 default:
181 panic("Bad operand size %d for read at %#x.\n",
182 dataSize, pkt->getAddr());
183 }
184 }
185 };
186}
187
188#endif //__ARCH_X86_INSTS_MICROLDSTOP_HH__
|