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#ifndef __ARCH_ARM_MACROMEM_HH__
43#define __ARCH_ARM_MACROMEM_HH__
44
45#include "arch/arm/insts/pred_inst.hh"
46#include "arch/arm/tlb.hh"
47
48namespace ArmISA
49{
50
51static inline unsigned int
52number_of_ones(int32_t val)
53{
54 uint32_t ones = 0;
55 for (int i = 0; i < 32; i++ )
56 {
57 if ( val & (1<<i) )
58 ones++;
59 }
60 return ones;
61}
62
63/**
64 * Base class for Memory microops
65 */
66class MicroOp : public PredOp
67{
68 protected:
69 MicroOp(const char *mnem, ExtMachInst machInst, OpClass __opClass)
70 : PredOp(mnem, machInst, __opClass)
71 {
72 }
73
74 public:
75 void
76 setDelayedCommit()
77 {
78 flags[IsDelayedCommit] = true;
79 }
80};
81
82/**
83 * Microops of the form IntRegA = IntRegB op Imm
84 */
85class MicroIntOp : public MicroOp
86{
87 protected:
88 RegIndex ura, urb;
89 uint8_t imm;
90
91 MicroIntOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
92 RegIndex _ura, RegIndex _urb, uint8_t _imm)
93 : MicroOp(mnem, machInst, __opClass),
94 ura(_ura), urb(_urb), imm(_imm)
95 {
96 }
| 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#ifndef __ARCH_ARM_MACROMEM_HH__
43#define __ARCH_ARM_MACROMEM_HH__
44
45#include "arch/arm/insts/pred_inst.hh"
46#include "arch/arm/tlb.hh"
47
48namespace ArmISA
49{
50
51static inline unsigned int
52number_of_ones(int32_t val)
53{
54 uint32_t ones = 0;
55 for (int i = 0; i < 32; i++ )
56 {
57 if ( val & (1<<i) )
58 ones++;
59 }
60 return ones;
61}
62
63/**
64 * Base class for Memory microops
65 */
66class MicroOp : public PredOp
67{
68 protected:
69 MicroOp(const char *mnem, ExtMachInst machInst, OpClass __opClass)
70 : PredOp(mnem, machInst, __opClass)
71 {
72 }
73
74 public:
75 void
76 setDelayedCommit()
77 {
78 flags[IsDelayedCommit] = true;
79 }
80};
81
82/**
83 * Microops of the form IntRegA = IntRegB op Imm
84 */
85class MicroIntOp : public MicroOp
86{
87 protected:
88 RegIndex ura, urb;
89 uint8_t imm;
90
91 MicroIntOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
92 RegIndex _ura, RegIndex _urb, uint8_t _imm)
93 : MicroOp(mnem, machInst, __opClass),
94 ura(_ura), urb(_urb), imm(_imm)
95 {
96 }
|
| 97
98 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
|
97};
98
99/**
100 * Memory microops which use IntReg + Imm addressing
101 */
102class MicroMemOp : public MicroIntOp
103{
104 protected:
105 bool up;
106 unsigned memAccessFlags;
107
108 MicroMemOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
109 RegIndex _ura, RegIndex _urb, bool _up, uint8_t _imm)
110 : MicroIntOp(mnem, machInst, __opClass, _ura, _urb, _imm),
111 up(_up), memAccessFlags(TLB::MustBeOne | TLB::AlignWord)
112 {
113 }
| 99};
100
101/**
102 * Memory microops which use IntReg + Imm addressing
103 */
104class MicroMemOp : public MicroIntOp
105{
106 protected:
107 bool up;
108 unsigned memAccessFlags;
109
110 MicroMemOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
111 RegIndex _ura, RegIndex _urb, bool _up, uint8_t _imm)
112 : MicroIntOp(mnem, machInst, __opClass, _ura, _urb, _imm),
113 up(_up), memAccessFlags(TLB::MustBeOne | TLB::AlignWord)
114 {
115 }
|
| 116
117 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
|
114};
115
116/**
117 * Base class for microcoded integer memory instructions.
118 */
119class MacroMemOp : public PredMacroOp
120{
121 protected:
122 MacroMemOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
123 IntRegIndex rn, bool index, bool up, bool user,
124 bool writeback, bool load, uint32_t reglist);
125};
126
127/**
128 * Base class for microcoded floating point memory instructions.
129 */
130class MacroVFPMemOp : public PredMacroOp
131{
132 protected:
133 MacroVFPMemOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
134 IntRegIndex rn, RegIndex vd, bool single, bool up,
135 bool writeback, bool load, uint32_t offset);
136};
137
138}
139
140#endif //__ARCH_ARM_INSTS_MACROMEM_HH__
| 118};
119
120/**
121 * Base class for microcoded integer memory instructions.
122 */
123class MacroMemOp : public PredMacroOp
124{
125 protected:
126 MacroMemOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
127 IntRegIndex rn, bool index, bool up, bool user,
128 bool writeback, bool load, uint32_t reglist);
129};
130
131/**
132 * Base class for microcoded floating point memory instructions.
133 */
134class MacroVFPMemOp : public PredMacroOp
135{
136 protected:
137 MacroVFPMemOp(const char *mnem, ExtMachInst machInst, OpClass __opClass,
138 IntRegIndex rn, RegIndex vd, bool single, bool up,
139 bool writeback, bool load, uint32_t offset);
140};
141
142}
143
144#endif //__ARCH_ARM_INSTS_MACROMEM_HH__
|