| 3// Copyright (c) 2003-2006 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
30
|
3////////////////////////////////////////////////////////////////////
4//
5// Base class for MIPS instructions, and some support functions
6//
7
8//Outputs to decoder.hh
9output header {{
10
11 using namespace MipsISA;
12
13
14 /**
15 * Base class for all MIPS static instructions.
16 */
17 class MipsStaticInst : public StaticInst
18 {
19 protected:
20
21 // Constructor
22 MipsStaticInst(const char *mnem, MachInst _machInst, OpClass __opClass)
23 : StaticInst(mnem, _machInst, __opClass)
24 {
25 }
26
27 /// Print a register name for disassembly given the unique
28 /// dependence tag number (FP or int).
29 void printReg(std::ostream &os, int reg) const;
30
31 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
32 };
33
34}};
35
36//Ouputs to decoder.cc
37output decoder {{
38
39 void MipsStaticInst::printReg(std::ostream &os, int reg) const
40 {
41 if (reg < FP_Base_DepTag) {
42 ccprintf(os, "r%d", reg);
43 }
44 else {
45 ccprintf(os, "f%d", reg - FP_Base_DepTag);
46 }
47 }
48
49 std::string MipsStaticInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const
50 {
51 std::stringstream ss;
52
53 ccprintf(ss, "%-10s ", mnemonic);
54
55 if(_numDestRegs > 0){
56 printReg(ss, _destRegIdx[0]);
57 }
58
59 if(_numSrcRegs > 0) {
60 ss << ", ";
61 printReg(ss, _srcRegIdx[0]);
62 }
63
64 if(_numSrcRegs > 1) {
65 ss << ", ";
66 printReg(ss, _srcRegIdx[1]);
67 }
68
69
70 if(mnemonic == "sll" || mnemonic == "sra"){
71 ccprintf(ss,", %d",SA);
72 }
73
74 return ss.str();
75 }
76
77}};
78
| 31////////////////////////////////////////////////////////////////////
32//
33// Base class for MIPS instructions, and some support functions
34//
35
36//Outputs to decoder.hh
37output header {{
38
39 using namespace MipsISA;
40
41
42 /**
43 * Base class for all MIPS static instructions.
44 */
45 class MipsStaticInst : public StaticInst
46 {
47 protected:
48
49 // Constructor
50 MipsStaticInst(const char *mnem, MachInst _machInst, OpClass __opClass)
51 : StaticInst(mnem, _machInst, __opClass)
52 {
53 }
54
55 /// Print a register name for disassembly given the unique
56 /// dependence tag number (FP or int).
57 void printReg(std::ostream &os, int reg) const;
58
59 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
60 };
61
62}};
63
64//Ouputs to decoder.cc
65output decoder {{
66
67 void MipsStaticInst::printReg(std::ostream &os, int reg) const
68 {
69 if (reg < FP_Base_DepTag) {
70 ccprintf(os, "r%d", reg);
71 }
72 else {
73 ccprintf(os, "f%d", reg - FP_Base_DepTag);
74 }
75 }
76
77 std::string MipsStaticInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const
78 {
79 std::stringstream ss;
80
81 ccprintf(ss, "%-10s ", mnemonic);
82
83 if(_numDestRegs > 0){
84 printReg(ss, _destRegIdx[0]);
85 }
86
87 if(_numSrcRegs > 0) {
88 ss << ", ";
89 printReg(ss, _srcRegIdx[0]);
90 }
91
92 if(_numSrcRegs > 1) {
93 ss << ", ";
94 printReg(ss, _srcRegIdx[1]);
95 }
96
97
98 if(mnemonic == "sll" || mnemonic == "sra"){
99 ccprintf(ss,", %d",SA);
100 }
101
102 return ss.str();
103 }
104
105}};
106
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