mem.cc (7313:b0262368daa0) mem.cc (7428:eea9a618c882)
1/*
2 * Copyright (c) 2010 ARM Limited
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 * Copyright (c) 2007-2008 The Florida State University
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Stephen Hines
41 */
42
43#include "arch/arm/insts/mem.hh"
44#include "base/loader/symtab.hh"
45
46using namespace std;
47
48namespace ArmISA
49{
50
1/*
2 * Copyright (c) 2010 ARM Limited
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 * Copyright (c) 2007-2008 The Florida State University
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Stephen Hines
41 */
42
43#include "arch/arm/insts/mem.hh"
44#include "base/loader/symtab.hh"
45
46using namespace std;
47
48namespace ArmISA
49{
50
51void
52MemoryReg::printOffset(std::ostream &os) const
53{
54 if (!add)
55 os << "-";
56 printReg(os, index);
57 if (shiftType != LSL || shiftAmt != 0) {
58 switch (shiftType) {
59 case LSL:
60 ccprintf(os, " LSL #%d", shiftAmt);
61 break;
62 case LSR:
63 if (shiftAmt == 0) {
64 ccprintf(os, " LSR #%d", 32);
65 } else {
66 ccprintf(os, " LSR #%d", shiftAmt);
67 }
68 break;
69 case ASR:
70 if (shiftAmt == 0) {
71 ccprintf(os, " ASR #%d", 32);
72 } else {
73 ccprintf(os, " ASR #%d", shiftAmt);
74 }
75 break;
76 case ROR:
77 if (shiftAmt == 0) {
78 ccprintf(os, " RRX");
79 } else {
80 ccprintf(os, " ROR #%d", shiftAmt);
81 }
82 break;
83 }
84 }
85}
86
51string
52Swap::generateDisassembly(Addr pc, const SymbolTable *symtab) const
53{
54 stringstream ss;
55 printMnemonic(ss);
56 printReg(ss, dest);
57 ss << ", ";
58 printReg(ss, op1);
59 ss << ", [";
60 printReg(ss, base);
61 ss << "]";
62 return ss.str();
63}
64
65string
66RfeOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
67{
68 stringstream ss;
69 switch (mode) {
70 case DecrementAfter:
71 printMnemonic(ss, "da");
72 break;
73 case DecrementBefore:
74 printMnemonic(ss, "db");
75 break;
76 case IncrementAfter:
77 printMnemonic(ss, "ia");
78 break;
79 case IncrementBefore:
80 printMnemonic(ss, "ib");
81 break;
82 }
83 printReg(ss, base);
84 if (wb) {
85 ss << "!";
86 }
87 return ss.str();
88}
89
90string
91SrsOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
92{
93 stringstream ss;
94 switch (mode) {
95 case DecrementAfter:
96 printMnemonic(ss, "da");
97 break;
98 case DecrementBefore:
99 printMnemonic(ss, "db");
100 break;
101 case IncrementAfter:
102 printMnemonic(ss, "ia");
103 break;
104 case IncrementBefore:
105 printMnemonic(ss, "ib");
106 break;
107 }
108 printReg(ss, INTREG_SP);
109 if (wb) {
110 ss << "!";
111 }
112 ss << ", #";
113 switch (regMode) {
114 case MODE_USER:
115 ss << "user";
116 break;
117 case MODE_FIQ:
118 ss << "fiq";
119 break;
120 case MODE_IRQ:
121 ss << "irq";
122 break;
123 case MODE_SVC:
124 ss << "supervisor";
125 break;
126 case MODE_MON:
127 ss << "monitor";
128 break;
129 case MODE_ABORT:
130 ss << "abort";
131 break;
132 case MODE_UNDEFINED:
133 ss << "undefined";
134 break;
135 case MODE_SYSTEM:
136 ss << "system";
137 break;
138 default:
139 ss << "unrecognized";
140 break;
141 }
142 return ss.str();
143}
144
145void
146Memory::printInst(std::ostream &os, AddrMode addrMode) const
147{
148 printMnemonic(os);
149 printDest(os);
150 os << ", [";
151 printReg(os, base);
152 if (addrMode != AddrMd_PostIndex) {
153 os << ", ";
154 printOffset(os);
155 os << "]";
156 if (addrMode == AddrMd_PreIndex) {
157 os << "!";
158 }
159 } else {
160 os << "] ";
161 printOffset(os);
162
163 }
164}
165
166}
87string
88Swap::generateDisassembly(Addr pc, const SymbolTable *symtab) const
89{
90 stringstream ss;
91 printMnemonic(ss);
92 printReg(ss, dest);
93 ss << ", ";
94 printReg(ss, op1);
95 ss << ", [";
96 printReg(ss, base);
97 ss << "]";
98 return ss.str();
99}
100
101string
102RfeOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
103{
104 stringstream ss;
105 switch (mode) {
106 case DecrementAfter:
107 printMnemonic(ss, "da");
108 break;
109 case DecrementBefore:
110 printMnemonic(ss, "db");
111 break;
112 case IncrementAfter:
113 printMnemonic(ss, "ia");
114 break;
115 case IncrementBefore:
116 printMnemonic(ss, "ib");
117 break;
118 }
119 printReg(ss, base);
120 if (wb) {
121 ss << "!";
122 }
123 return ss.str();
124}
125
126string
127SrsOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
128{
129 stringstream ss;
130 switch (mode) {
131 case DecrementAfter:
132 printMnemonic(ss, "da");
133 break;
134 case DecrementBefore:
135 printMnemonic(ss, "db");
136 break;
137 case IncrementAfter:
138 printMnemonic(ss, "ia");
139 break;
140 case IncrementBefore:
141 printMnemonic(ss, "ib");
142 break;
143 }
144 printReg(ss, INTREG_SP);
145 if (wb) {
146 ss << "!";
147 }
148 ss << ", #";
149 switch (regMode) {
150 case MODE_USER:
151 ss << "user";
152 break;
153 case MODE_FIQ:
154 ss << "fiq";
155 break;
156 case MODE_IRQ:
157 ss << "irq";
158 break;
159 case MODE_SVC:
160 ss << "supervisor";
161 break;
162 case MODE_MON:
163 ss << "monitor";
164 break;
165 case MODE_ABORT:
166 ss << "abort";
167 break;
168 case MODE_UNDEFINED:
169 ss << "undefined";
170 break;
171 case MODE_SYSTEM:
172 ss << "system";
173 break;
174 default:
175 ss << "unrecognized";
176 break;
177 }
178 return ss.str();
179}
180
181void
182Memory::printInst(std::ostream &os, AddrMode addrMode) const
183{
184 printMnemonic(os);
185 printDest(os);
186 os << ", [";
187 printReg(os, base);
188 if (addrMode != AddrMd_PostIndex) {
189 os << ", ";
190 printOffset(os);
191 os << "]";
192 if (addrMode == AddrMd_PreIndex) {
193 os << "!";
194 }
195 } else {
196 os << "] ";
197 printOffset(os);
198
199 }
200}
201
202}